Analysis
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max time kernel
167s -
max time network
181s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 20:11
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
191KB
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MD5
0e59d0f0fe592cdde1355728f4319d82
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SHA1
887daf1a12c812f096c2314cf81219ec7885df35
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SHA256
25b8e3ad00c54de80c6ead3827b0a17374430bb82bdb5618b9889d5764831663
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SHA512
07e8e8570ebf8acecdbb937b72b30e74231bf48d2f5d8b3e15a92a99813f45f25f791b4c4bb02133227ebdc06d68977c6730c6be81156453a3e2f69db2254bf8
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SSDEEP
3072:S9J3XId0c6Tc5p8yJwuiiy+gyEn8rCArIikwDAbEaqgqMfu:cA0BGIiyTf4CAGNEavfu
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4044-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3536-135-0x00000000021A0000-0x00000000021A9000-memory.dmp family_smokeloader behavioral2/memory/4044-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4044-137-0x0000000000400000-0x0000000000409000-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 3536 set thread context of 4044 3536 file.exe 79 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4044 file.exe 4044 file.exe 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found 700 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 700 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4044 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3536 wrote to memory of 4044 3536 file.exe 79 PID 3536 wrote to memory of 4044 3536 file.exe 79 PID 3536 wrote to memory of 4044 3536 file.exe 79 PID 3536 wrote to memory of 4044 3536 file.exe 79 PID 3536 wrote to memory of 4044 3536 file.exe 79 PID 3536 wrote to memory of 4044 3536 file.exe 79
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3536 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4044
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