Analysis
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max time kernel
151s -
max time network
34s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
12/02/2023, 12:55
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
9 signatures
150 seconds
General
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Target
file.exe
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Size
187KB
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MD5
78d39e44c39d7599793636fe5d18305d
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SHA1
2acb5631cd56ac823cc004a9e1462c8b3b3c963f
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SHA256
5cd124802e894dc144cff7b0ea122b69830f2ecb2b44e656cc901e10c1ab9a04
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SHA512
bb344d8148dad53a13f452ad161ff1444916b1a5f19e2c8cf5b25031d4cfa3981a9dd96caea6bdb614bc2426badc3a63059504ce50e5677a6820ded525ecffff
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SSDEEP
3072:v7t0+rGj156yNmnkdW5GQ4NeonPmq3mYiqtNrzUKTi:j6L+yqkc5GPOq3mOrP
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/528-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/528-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1724-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/528-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/528-60-0x0000000000400000-0x0000000000409000-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 1724 set thread context of 528 1724 file.exe 27 -
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 528 file.exe 528 file.exe 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found 1264 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1264 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 528 file.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1264 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27 PID 1724 wrote to memory of 528 1724 file.exe 27
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:1724 -
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:528
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