Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
13/01/2023, 16:02
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
9 signatures
150 seconds
General
- Target file.exe
- Size 284KB
- Sample230113-tgryfsab78
- SHA256 294d3fefa69f9b92c1dda95d005717f56fd3ab8a9946c66731f3559de0e847d7
- MD5 92b6f8b1f67865bfa05c0c1002eb1ba3
- SHA1 d4150d69b2392a2fb40b0037f35a4052b0229cc9
- SHA512 e24691bbb99ffcc0a939f84d7e12547fe9febd84b0022e2db4c6aec5c933d25f0b6160b7a99dc9999da98c7dc00873940de115b918a20a85c3c289850cc92c8c
- SSDEEP 6144:3U92hLD7RKemnNE3rXQF3hvSlJZ9tzrSA3ddz:3U92hX7RpmNEb6R2Z9P3dd
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1528-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1732-135-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader behavioral2/memory/1528-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1528-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1732 set thread context of 1528 1732 file.exe 85 - 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 file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1528 file.exe 1528 file.exe 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found 388 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 388 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1528 file.exe - Suspicious use of AdjustPrivilegeToken 8 IoCs
description pid Process Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found Token: SeShutdownPrivilege 388 Process not Found Token: SeCreatePagefilePrivilege 388 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1732 wrote to memory of 1528 1732 file.exe 85 PID 1732 wrote to memory of 1528 1732 file.exe 85 PID 1732 wrote to memory of 1528 1732 file.exe 85 PID 1732 wrote to memory of 1528 1732 file.exe 85 PID 1732 wrote to memory of 1528 1732 file.exe 85 PID 1732 wrote to memory of 1528 1732 file.exe 85
Processes
-
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:1732 -
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:1528
-