Analysis
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max time kernel
149s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
09/02/2023, 09:30
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
file.exe
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Size
196KB
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MD5
f7565fefc1fe5ab93fa3cfd1db11b670
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SHA1
4e4e99028f92cfe23f168656882424fa12b68e25
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SHA256
708d7d560a799f9a5757cec56c31b2418c4482dd08a1533c0f2ec7b2e1257079
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SHA512
c8ec933726911efdc55c118a01518cf094193c2782d06d041bb7a2e80934fffd4a7c992d13d78c94cd4d284fa60a513acc04d55ede03fbc48aea150874a042aa
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SSDEEP
3072:ySq0OAJciNweKL8JOsW2d5pLdJI5fv1yJBBd+n+t9mg6p0Ee52Pr4:3q0OlFL8AsLLI5n1OFDt/6Fe52z
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1240-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1240-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/832-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1240-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1240-60-0x0000000000400000-0x0000000000409000-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 832 set thread context of 1240 832 file.exe 28 -
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 1240 file.exe 1240 file.exe 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found 1208 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1208 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1240 file.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1208 Process not Found 1208 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1208 Process not Found 1208 Process not Found -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28 PID 832 wrote to memory of 1240 832 file.exe 28
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:832 -
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:1240
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