smokeloader | c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250

Analysis

max time kernel
150s
max time network
106s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
06-12-2022 04:31

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General

Target

c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
Size

273KB
MD5

53d204a62546fa06daf4a00bb2bbaa07
SHA1

6b1a911774a3140a74affbbd71b83913df3abf44
SHA256

c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250
SHA512

d681217c28fa3aef0a7ec3195a909182f98ebe3cd5ef1ad330a32412838cd903f2e44b6812f94ce251e57c0b31c3d3ef37b5ec5dffe3098ec80bec1f3d6837b9
SSDEEP

3072:86XVFWYw4VlTIyXVIWR5F9Fn99Lr7ddN/TWoQYiVRvJTcpuqGZj0sqYgV2qs64j:8a/EyXVxpDvZqoQYIDcAqMoVS

Score

10^/10

smokeloader backdoor collection discovery spyware stealer trojan

Malware Config

Signatures

Detects Smokeloader packer 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2108-142-0x0000000000590000-0x0000000000599000-memory.dmp	family_smokeloader

SmokeLoader
Modular backdoor trojan in use since 2014.
trojan backdoor smokeloader
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

16 4224 rundll32.exe
19 4224 rundll32.exe
Downloads MZ/PE file
Executes dropped EXE 1 IoCs

Processes:

251C.exe

pid process

1116 251C.exe
Deletes itself 1 IoCs

Processes:

pid process

3064
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

4224 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

flow	pid	process
16	4224	rundll32.exe
19	4224	rundll32.exe

pid	process
1116	251C.exe

pid	process
3064

pid	process
4224	rundll32.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 4 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	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

Processes:

rundll32.exe

description pid process target process

PID 4224 set thread context of 3148 4224 rundll32.exe rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 4224 set thread context of 3148	4224	rundll32.exe	rundll32.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe

Checks processor information in registry 2 TTPs 26 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

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

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

Processes:

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Internet Explorer\Toolbar
Set value (int)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Internet Explorer\Toolbar\ShellBrowser\ITBar7Layout = 13000000000000000000000020000000100000000000000001000000010700005e01000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

Modifies registry class 36 IoCs

Processes:

rundll32.exe

description	ioc	process
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = 00000000ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0 = 820074001c0043465346160031000000000000000000100041707044617461000000741a595e96dfd3488d671733bcee28bac5cdfadf9f6756418947c5c76bc0b67f400009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004100700070004400610074006100000042000000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0	rundll32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\WorkFolders
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f44471a0359723fa74489c55595fe6b30ee0000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\SniffedFolderType = "Generic"
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0 = 50003100000000000000000010004c6f63616c003c0009000400efbe00000000000000002e00000000000000000000000000000000000000000000000000000000004c006f00630061006c00000014000000	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0 = 4e0031000000000086550e24100054656d7000003a0009000400efbe2155a88486550e242e000000000000000000000000000000000000000000000000001a62dd00540065006d007000000014000000	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\NodeSlot = "1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\0\0\MRUListEx = ffffffff	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\0\MRUListEx = 00000000ffffffff	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\KnownFolderDerivedFolderType = "{57807898-8C4F-4462-BB63-71042380B109}"	rundll32.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02
Key created	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

pid process

3064

pid	process
3064

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe

pid	process
2108	c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
2108	c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064
3064

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

3064
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe

pid process

2108 c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe

pid	process
3064

Suspicious use of AdjustPrivilegeToken 41 IoCs

Processes:

rundll32.exe

description	pid	process
Token: SeDebugPrivilege	4224	rundll32.exe
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064
Token: SeShutdownPrivilege	3064
Token: SeCreatePagefilePrivilege	3064

Suspicious use of FindShellTrayWindow 10 IoCs

Processes:

rundll32.exerundll32.exe

pid process

3148 rundll32.exe
3064
3064
3064
3064
4224 rundll32.exe
3064
3064
3064
3064
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

pid process

3064
3064

pid	process
3148	rundll32.exe
3064
3064
3064
3064
4224	rundll32.exe
3064
3064
3064
3064

pid	process
3064
3064

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

251C.exerundll32.exe

description	pid	process	target process
PID 3064 wrote to memory of 1116	3064		251C.exe
PID 3064 wrote to memory of 1116	3064		251C.exe
PID 3064 wrote to memory of 1116	3064		251C.exe
PID 1116 wrote to memory of 4224	1116	251C.exe	rundll32.exe
PID 1116 wrote to memory of 4224	1116	251C.exe	rundll32.exe
PID 1116 wrote to memory of 4224	1116	251C.exe	rundll32.exe
PID 4224 wrote to memory of 3148	4224	rundll32.exe	rundll32.exe
PID 4224 wrote to memory of 3148	4224	rundll32.exe	rundll32.exe
PID 4224 wrote to memory of 3148	4224	rundll32.exe	rundll32.exe
PID 4224 wrote to memory of 5000	4224	rundll32.exe	schtasks.exe
PID 4224 wrote to memory of 5000	4224	rundll32.exe	schtasks.exe
PID 4224 wrote to memory of 5000	4224	rundll32.exe	schtasks.exe
PID 4224 wrote to memory of 1160	4224	rundll32.exe	schtasks.exe
PID 4224 wrote to memory of 1160	4224	rundll32.exe	schtasks.exe
PID 4224 wrote to memory of 1160	4224	rundll32.exe	schtasks.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2368682536-4045190062-1465778271-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe
"C:\Users\Admin\AppData\Local\Temp\c68c67eef80ea7562cd171bf1fb6d490ecd6792ce2bd7024cbd9e033ac903250.exe"
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2108

C:\Users\Admin\AppData\Local\Temp\251C.exe
C:\Users\Admin\AppData\Local\Temp\251C.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp",Qiysidaatietut
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:4224

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\system32\shell32.dll",#61 17207
3⤵
- Modifies registry class
- Suspicious use of FindShellTrayWindow
PID:3148

C:\Windows\SysWOW64\schtasks.exe
schtasks /End /tn \Microsoft\Windows\Wininet\CacheTask
3⤵
PID:5000

C:\Windows\SysWOW64\schtasks.exe
schtasks /Run /tn \Microsoft\Windows\Wininet\CacheTask
3⤵
PID:1160

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4828

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\251C.exe
Filesize
1.1MB

MD5
c9d86b8af2b6aa83f5ab8698b4dac416

SHA1
c0f65732321e8512b4b7096ba827a2920106968e

SHA256
209623f82b569fb476fdef4b1b84b253fd7b224ec5161867e134783a1ae30740

SHA512
eeca416617d692d788fba0042a1bc1477a5783d88f6621f159a49644ac718faac7392845c226ad43aed2310c73445bcd7765874579d3d17acdaa36bfdc0a9a15

Download Submit
C:\Users\Admin\AppData\Local\Temp\251C.exe
Filesize
1.1MB

MD5
c9d86b8af2b6aa83f5ab8698b4dac416

SHA1
c0f65732321e8512b4b7096ba827a2920106968e

SHA256
209623f82b569fb476fdef4b1b84b253fd7b224ec5161867e134783a1ae30740

SHA512
eeca416617d692d788fba0042a1bc1477a5783d88f6621f159a49644ac718faac7392845c226ad43aed2310c73445bcd7765874579d3d17acdaa36bfdc0a9a15

Download Submit
C:\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp
Filesize
768KB

MD5
96655ec3277ef2e9ea4b5723f60f5b04

SHA1
b29e9005cedc5e0d63981e59b05a12f006bd8640

SHA256
36cb491e91dc40d4a24f25944c5dca41195e1e7eb9788028f72e38b08789616d

SHA512
cb151e071426cba0ec433b4ff8b173a9e07fc922e2b9d9d9359bcd5367a79e5bb996e8afbbfe4dd11bde1a33724b7f70479ac248762f5c9d17f3e0d7d67c151c

Download Submit
\Users\Admin\AppData\Local\Temp\Eshwsfeuryqqffi.tmp
Filesize
768KB

MD5
96655ec3277ef2e9ea4b5723f60f5b04

SHA1
b29e9005cedc5e0d63981e59b05a12f006bd8640

SHA256
36cb491e91dc40d4a24f25944c5dca41195e1e7eb9788028f72e38b08789616d

SHA512
cb151e071426cba0ec433b4ff8b173a9e07fc922e2b9d9d9359bcd5367a79e5bb996e8afbbfe4dd11bde1a33724b7f70479ac248762f5c9d17f3e0d7d67c151c

Download Submit
memory/1116-185-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-181-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-161-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-210-0x0000000000400000-0x0000000000531000-memory.dmp

Filesize
1.2MB

Download
memory/1116-190-0x0000000000400000-0x0000000000531000-memory.dmp

Filesize
1.2MB

Download
memory/1116-195-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-194-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-193-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-192-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-191-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-189-0x0000000002320000-0x0000000002440000-memory.dmp

Filesize
1.1MB

Download
memory/1116-188-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-186-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-187-0x0000000002120000-0x0000000002206000-memory.dmp

Filesize
920KB

Download
memory/1116-184-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-166-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-183-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-182-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-180-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-162-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-179-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-178-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-177-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-174-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-175-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-173-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-172-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-169-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-171-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-170-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-165-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-163-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-168-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-158-0x0000000000000000-mapping.dmp

Download
memory/1116-164-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1116-160-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/1160-371-0x0000000000000000-mapping.dmp

Download
memory/2108-147-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-139-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-124-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-156-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-157-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2108-141-0x00000000005C0000-0x000000000070A000-memory.dmp

Filesize
1.3MB

Download
memory/2108-155-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-153-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-154-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-152-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-151-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-150-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-149-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-148-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-146-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-125-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-145-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-143-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-144-0x0000000000400000-0x0000000000462000-memory.dmp

Filesize
392KB

Download
memory/2108-142-0x0000000000590000-0x0000000000599000-memory.dmp

Filesize
36KB

Download
memory/2108-140-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-123-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-120-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-138-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-137-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-136-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-134-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-133-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-132-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-131-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-130-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-129-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-127-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-126-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-128-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-122-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/2108-121-0x00000000779E0000-0x0000000077B6E000-memory.dmp

Filesize
1.6MB

Download
memory/3148-316-0x00007FF6E4105FD0-mapping.dmp

Download
memory/3148-322-0x0000022F7D540000-0x0000022F7D7E5000-memory.dmp

Filesize
2.6MB

Download
memory/3148-321-0x00000000000E0000-0x0000000000373000-memory.dmp

Filesize
2.6MB

Download
memory/4224-307-0x0000000006660000-0x00000000071C2000-memory.dmp

Filesize
11.4MB

Download
memory/4224-341-0x0000000006660000-0x00000000071C2000-memory.dmp

Filesize
11.4MB

Download
memory/4224-206-0x0000000000000000-mapping.dmp

Download
memory/5000-353-0x0000000000000000-mapping.dmp

Download