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Analysis
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max time kernel
150s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
07/02/2023, 09:35
Static task
static1
Behavioral task
behavioral1
Sample
7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
Resource
win10v2004-20221111-en
General
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Target
7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe
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Size
285KB
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MD5
7c2b7f94b57d15b6f5f4ed31a96cc0ec
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SHA1
51ec2b8292ae25dc53c1bb96722228c612651e05
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SHA256
94dcd9eb97aa7ef0957f20728ef38d1b95c9fc6f16c1467c752e019046ea882b
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SHA512
9dd76b03f6866ca792b6a906f69339ce9bf22ce61e21318f72c745e32619fc8d47a664f3ab68b5a0aba98574650d7189e7d74c656ef46d7f3f72ebe480041cec
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SSDEEP
6144:SOe7vYYo2U4YRNNbKL4pTYdkhVoi4Fc+dVkR52:SNvYYowYtiisdkEDFc+7kr2
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/1348-66-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1348-67-0x0000000000402FB2-mapping.dmp family_smokeloader behavioral1/memory/1348-69-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1348-70-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1708 set thread context of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 936 powershell.exe 1348 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 1348 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found 1228 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1228 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1348 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe Token: SeDebugPrivilege 936 powershell.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 1708 wrote to memory of 936 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 28 PID 1708 wrote to memory of 936 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 28 PID 1708 wrote to memory of 936 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 28 PID 1708 wrote to memory of 936 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 28 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30 PID 1708 wrote to memory of 1348 1708 7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe"C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1708 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:936
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C:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exeC:\Users\Admin\AppData\Local\Temp\7c2b7f94b57d15b6f5f4ed31a96cc0ec.exe2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1348
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