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Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
18/12/2022, 02:32
Static task
static1
Behavioral task
behavioral1
Sample
621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe
Resource
win10v2004-20221111-en
General
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Target
621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe
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Size
214KB
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MD5
6795b0c7186f31375220688726a84f81
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SHA1
33a8b2b5064a321786b1d231396c0f0b13ac3e5b
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SHA256
621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6
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SHA512
243163b9bd8a06d944e79f73b184afcd09ff7e3ff2ca67d8304ed3ef08f9007f98b4d6cb01cd8a88e7b40b0f182242246b9173323f952d499fbc1629d7e8fd08
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SSDEEP
3072:2+/Ww4uLHNjZwR0AUdtybHcPhJhp09DS6SBeFy8/g3xozEK7H6G3ERWR3LV:H/W5uLH9zP3hJYZcMg3CzEYU0VB
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4944-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4056-135-0x00000000001F0000-0x00000000001F9000-memory.dmp family_smokeloader behavioral1/memory/4944-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/4944-137-0x0000000000400000-0x0000000000409000-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 4056 set thread context of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4944 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 4944 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found 2700 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2700 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4944 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
description pid Process Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found Token: SeShutdownPrivilege 2700 Process not Found Token: SeCreatePagefilePrivilege 2700 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81 PID 4056 wrote to memory of 4944 4056 621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe"C:\Users\Admin\AppData\Local\Temp\621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4056 -
C:\Users\Admin\AppData\Local\Temp\621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe"C:\Users\Admin\AppData\Local\Temp\621525bc025d75bb87e2c39a1ca11be3f1193a46c3406bf915f1e6c8eb164ef6.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4944
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