smokeloader | 71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549

Analysis

max time kernel
150s
max time network
151s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
25/12/2022, 00:58

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General

Target

71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
Size

222KB
MD5

507409118f8cfc83a539f11952a6e84a
SHA1

bfd41bd00d0f9a24a47c10586013e4aa93c7fd5e
SHA256

71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549
SHA512

5a3860b34da2e42f179807443487cc99aa800b9a576faeb350944468deeb8814b8172585c355ec1c3b7bf35628b42344b11002c6ce5be35c0eb392203703583b
SSDEEP

3072:nDtKLDv+5K6atBO/qkSg9RpZT6vauDdfqTJsPPf/ln:ULDvV6X1HpZT6vaMdfKW9

Score

10^/10

smokeloader backdoor collection discovery spyware stealer trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

resource	yara_rule
behavioral1/memory/2300-154-0x0000000000690000-0x0000000000699000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader

Blocklisted process makes network request 3 IoCs

flow	pid	Process
20	4268	rundll32.exe
24	4268	rundll32.exe
31	4268	rundll32.exe

Downloads MZ/PE file

Executes dropped EXE 2 IoCs

pid	Process
1872	3865.exe
3100	htcarbw

Deletes itself 1 IoCs

pid	Process
2576	Process not Found

Loads dropped DLL 1 IoCs

pid	Process
4268	rundll32.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 4748	4268	rundll32.exe	68

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	htcarbw
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	htcarbw
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	htcarbw

Checks processor information in registry 2 TTPs 25 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Platform Specific Field 1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Status	rundll32.exe
Key enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\FeatureSet	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Previous Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Status	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Update Revision	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Component Information	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Configuration Data	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\Platform Specific Field 1	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value enumerated	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\1\~MHz	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Update Revision	rundll32.exe

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Internet Explorer\Toolbar	Process not Found
Set value (int)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser	Process not Found
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000	Process not Found

Modifies registry class 36 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders	Process not Found
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e003100000000009955650f100054656d7000003a0009000400efbe0c55a7899955650f2e00000000000000000000000000000000000000000000000000c670c600540065006d007000000014000000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"	Process not Found
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance	Process not Found
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance	Process not Found
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	Process not Found
Set value (data)	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	Process not Found

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
2576	Process not Found

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2300	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
2300	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2300	71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
3100	htcarbw

Suspicious use of AdjustPrivilegeToken 39 IoCs

description	pid	Process
Token: SeDebugPrivilege	4268	rundll32.exe
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found
Token: SeShutdownPrivilege	2576	Process not Found
Token: SeCreatePagefilePrivilege	2576	Process not Found

Suspicious use of FindShellTrayWindow 10 IoCs

pid	Process
4748	rundll32.exe
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found
4268	rundll32.exe
2576	Process not Found
2576	Process not Found
2576	Process not Found
2576	Process not Found

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	Process not Found
2576	Process not Found

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 1872	2576	Process not Found	66
PID 2576 wrote to memory of 1872	2576	Process not Found	66
PID 2576 wrote to memory of 1872	2576	Process not Found	66
PID 1872 wrote to memory of 4268	1872	3865.exe	67
PID 1872 wrote to memory of 4268	1872	3865.exe	67
PID 1872 wrote to memory of 4268	1872	3865.exe	67
PID 4268 wrote to memory of 4748	4268	rundll32.exe	68
PID 4268 wrote to memory of 4748	4268	rundll32.exe	68
PID 4268 wrote to memory of 4748	4268	rundll32.exe	68
PID 4268 wrote to memory of 4808	4268	rundll32.exe	71
PID 4268 wrote to memory of 4808	4268	rundll32.exe	71
PID 4268 wrote to memory of 4808	4268	rundll32.exe	71
PID 4268 wrote to memory of 1104	4268	rundll32.exe	73
PID 4268 wrote to memory of 1104	4268	rundll32.exe	73
PID 4268 wrote to memory of 1104	4268	rundll32.exe	73

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2482096546-1136599444-1359412500-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe
"C:\Users\Admin\AppData\Local\Temp\71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2300

C:\Users\Admin\AppData\Local\Temp\3865.exe
C:\Users\Admin\AppData\Local\Temp\3865.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Dfuqft.tmp",Dsdupihuqo
  2⤵
  - Blocklisted process makes network request
  - Loads dropped DLL
  - Accesses Microsoft Outlook accounts
  - Accesses Microsoft Outlook profiles
  - Suspicious use of SetThreadContext
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:4268
- - C:\Windows\system32\rundll32.exe
    "C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 22370
    3⤵
    - Modifies registry class
    - Suspicious use of FindShellTrayWindow
    PID:4748
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
    3⤵
    PID:4808
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
    3⤵
    PID:1104

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:2708

C:\Users\Admin\AppData\Roaming\htcarbw
C:\Users\Admin\AppData\Roaming\htcarbw
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3100

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\3865.exe

Filesize
1.1MB

MD5
fd93cff0c3c83837d728c575d846d8ab

SHA1
4a5c051b90f649a73998febf2e6695f035b119d9

SHA256
95ac523cbc562f623f477ffb053dec759be95eabff249d6deac604d611b642cf

SHA512
d223da0c49f9fc103a1fd186d7c2e9cb6786a38a95e9dd6f55cf1e2556ad41d144faf1883ee900fe6903fea537af09eb6a476e6e9aa4fbe9b21fad9bf79ff481

Download Submit
C:\Users\Admin\AppData\Local\Temp\3865.exe

Filesize
1.1MB

MD5
fd93cff0c3c83837d728c575d846d8ab

SHA1
4a5c051b90f649a73998febf2e6695f035b119d9

SHA256
95ac523cbc562f623f477ffb053dec759be95eabff249d6deac604d611b642cf

SHA512
d223da0c49f9fc103a1fd186d7c2e9cb6786a38a95e9dd6f55cf1e2556ad41d144faf1883ee900fe6903fea537af09eb6a476e6e9aa4fbe9b21fad9bf79ff481

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dfuqft.tmp

Filesize
792KB

MD5
9e3ff54c77c7d43bfdf8cff1d31c3c51

SHA1
9681f127f0300093ac15d8a3fc16c289f0b9c045

SHA256
2c683e8b9889636eb8279bdb6cf9181e939021acb2cbbed109b27aab6f47861d

SHA512
d7b6ff58a48ce21250e13ffd1f57f041615e83cfd3fc2627ea0951a32ad8141fbe760765faada136cf3ab31c9165a0ad0f88ef95f35f58735d169046c257fcec

Download Submit
C:\Users\Admin\AppData\Roaming\htcarbw

Filesize
222KB

MD5
507409118f8cfc83a539f11952a6e84a

SHA1
bfd41bd00d0f9a24a47c10586013e4aa93c7fd5e

SHA256
71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549

SHA512
5a3860b34da2e42f179807443487cc99aa800b9a576faeb350944468deeb8814b8172585c355ec1c3b7bf35628b42344b11002c6ce5be35c0eb392203703583b

Download Submit
C:\Users\Admin\AppData\Roaming\htcarbw

Filesize
222KB

MD5
507409118f8cfc83a539f11952a6e84a

SHA1
bfd41bd00d0f9a24a47c10586013e4aa93c7fd5e

SHA256
71a55e33faf8924035f5b856c7c0b38bd465648f5466c339f8f0eee3b6341549

SHA512
5a3860b34da2e42f179807443487cc99aa800b9a576faeb350944468deeb8814b8172585c355ec1c3b7bf35628b42344b11002c6ce5be35c0eb392203703583b

Download Submit
\Users\Admin\AppData\Local\Temp\Dfuqft.tmp

Filesize
792KB

MD5
9e3ff54c77c7d43bfdf8cff1d31c3c51

SHA1
9681f127f0300093ac15d8a3fc16c289f0b9c045

SHA256
2c683e8b9889636eb8279bdb6cf9181e939021acb2cbbed109b27aab6f47861d

SHA512
d7b6ff58a48ce21250e13ffd1f57f041615e83cfd3fc2627ea0951a32ad8141fbe760765faada136cf3ab31c9165a0ad0f88ef95f35f58735d169046c257fcec

Download Submit
memory/1872-189-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-162-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-214-0x0000000000400000-0x0000000000539000-memory.dmp

Filesize
1.2MB

Download
memory/1872-198-0x0000000000400000-0x0000000000539000-memory.dmp

Filesize
1.2MB

Download
memory/1872-197-0x00000000022D0000-0x0000000002402000-memory.dmp

Filesize
1.2MB

Download
memory/1872-194-0x0000000002110000-0x00000000021FD000-memory.dmp

Filesize
948KB

Download
memory/1872-192-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-191-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-190-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-188-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-187-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-186-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-185-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-183-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-182-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-181-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-180-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-179-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-178-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-177-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-176-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-175-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-170-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-174-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-173-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-172-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-169-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-167-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-166-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-165-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-164-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-163-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-171-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/1872-161-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-149-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-137-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-157-0x000000000076A000-0x000000000077A000-memory.dmp

Filesize
64KB

Download
memory/2300-152-0x000000000076A000-0x000000000077A000-memory.dmp

Filesize
64KB

Download
memory/2300-155-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-156-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2300-153-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-127-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-126-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-128-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-154-0x0000000000690000-0x0000000000699000-memory.dmp

Filesize
36KB

Download
memory/2300-151-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-150-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-148-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-147-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-146-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-145-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-144-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-143-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-142-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-141-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-140-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-136-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-139-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-138-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-158-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2300-133-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-120-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-135-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-134-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-132-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-131-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-130-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-121-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-129-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-125-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-124-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-122-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/2300-123-0x0000000077A00000-0x0000000077B8E000-memory.dmp

Filesize
1.6MB

Download
memory/3100-427-0x00000000004B0000-0x000000000055E000-memory.dmp

Filesize
696KB

Download
memory/3100-428-0x00000000004B0000-0x000000000055E000-memory.dmp

Filesize
696KB

Download
memory/3100-429-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3100-430-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/4268-371-0x0000000006C30000-0x0000000007787000-memory.dmp

Filesize
11.3MB

Download
memory/4268-308-0x0000000006C30000-0x0000000007787000-memory.dmp

Filesize
11.3MB

Download
memory/4748-326-0x0000000000150000-0x00000000003FE000-memory.dmp

Filesize
2.7MB

Download
memory/4748-328-0x000002898C430000-0x000002898C6EF000-memory.dmp

Filesize
2.7MB

Download