smokeloader | 4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf

General

Target

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
Size

339KB
MD5

b75726b4b619811b4c50d917822a4083
SHA1

ed8b418d7357609ce03c4f7123c0bb711b9d227d
SHA256

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf
SHA512

59516fdf6334f4005c7881322eb9a057939804e18ba8f13d0cb48fdc460aab19570c482e87700c6884807e1c885864ed422646f3150d9df731a10ecf5a7e05c9

Score

10^/10

smokeloader backdoor trojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

description	pid	process	target process
PID 1628 set thread context of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.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:

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

description	ioc	process
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString

Modifies Internet Explorer settings 1 TTPs 2 IoCs

adware spyware

Modify Registry

T1112

Processes:

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\Software\Microsoft\Internet Explorer\Toolbar\Locked = "1"

Modifies registry class 26 IoCs

Processes:

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616193"
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Vid = "{65F125E5-7BE1-4810-BA9D-D271C8432CE3}"
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\IconSize = "48"
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\NodeSlots = 02
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupView = "4294967295"
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\ColInfo = 00000000000000000000000000000000fddfdffd100000000000000000000000040000001800000030f125b7ef471a10a5f102608c9eebac0a000000a000000030f125b7ef471a10a5f102608c9eebac04000000c8000000354b179bff40d211a27e00c04fc308710300000080000000354b179bff40d211a27e00c04fc308710200000080000000
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Sort = 000000000000000000000000000000000100000030f125b7ef471a10a5f102608c9eebac0a00000001000000
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = 00000000ffffffff
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\NodeSlot = "1"
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0\MRUListEx = ffffffff
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Mode = "6"
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\LogicalViewMode = "2"
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:PID = "4"
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByDirection = "1"
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\MRUListEx = ffffffff
Set value (data)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU\0 = 14001f50e04fd020ea3a6910a2d808002b30309d0000
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\Rev = "0"
Key created	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\BagMRU
Set value (int)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\FFlags = "1092616209"
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\Bags\1\Shell\{5C4F28B5-F869-4E84-8E60-F11DB97C5CC7}\GroupByKey:FMTID = "{B725F130-47EF-101A-A5F1-02608C9EEBAC}"

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

pid	process
1636	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
1636	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360
1360

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

pid process

1360
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

pid process

1636 4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

description pid process

Token: SeShutdownPrivilege 1360
Token: SeShutdownPrivilege 1360
Token: SeShutdownPrivilege 1360
Token: SeShutdownPrivilege 1360

pid	process
1360

description	pid	process
Token: SeShutdownPrivilege	1360
Token: SeShutdownPrivilege	1360
Token: SeShutdownPrivilege	1360
Token: SeShutdownPrivilege	1360

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

description	pid	process	target process
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
PID 1628 wrote to memory of 1636	1628	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe	4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe

C:\Users\Admin\AppData\Local\Temp\4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
"C:\Users\Admin\AppData\Local\Temp\4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe
  "C:\Users\Admin\AppData\Local\Temp\4446186b0133b453f35a839b841ba453377c9a5638c1d81ee2313bb3adc22aaf.exe"
  2⤵
  - Checks SCSI registry key(s)
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1360-60-0x0000000002A60000-0x0000000002A76000-memory.dmp

Filesize
88KB

Download
memory/1628-55-0x0000000000958000-0x0000000000969000-memory.dmp

Filesize
68KB

Download
memory/1628-59-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/1636-57-0x0000000000402F47-mapping.dmp

Download
memory/1636-56-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/1636-58-0x0000000075021000-0x0000000075023000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads