Analysis
- max time kernel
221s - max time network
225s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
03/12/2022, 12:02
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
10 signatures
150 seconds
General
- Target file.exe
- Size 351KB
- Sample221203-n7e4paha75
- SHA256 ead9433bdea19b4583ccf9eba2377f202e31488fe7e36c22e398597fc49e220c
- MD5 be9c101bf248674860ae02c917d0a848
- SHA1 27142724112b844d745f2f0fb56954cabccb6971
- SHA512 717dd2c1fd45c5452dc35131bb1464349257248efc4d9cc090e55f95f194d756b457e099945c2eb332e8c607f01b917041ecef841091b5c353db6a2bfb31a1fa
- SSDEEP 6144:RcufVAeey7U5bkm4cr3aTwPjn/nMW2RqnEYo:RcwVAemgKLrPMW3EYo
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4416-133-0x0000000000030000-0x0000000000039000-memory.dmp family_smokeloader behavioral2/memory/4596-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4596-138-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4416 set thread context of 4596 4416 file.exe 80 - 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 4596 file.exe 4596 file.exe 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found 1192 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1192 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4596 file.exe - Suspicious use of AdjustPrivilegeToken 14 IoCs
description pid Process Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found Token: SeShutdownPrivilege 1192 Process not Found Token: SeCreatePagefilePrivilege 1192 Process not Found - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1192 Process not Found 1192 Process not Found - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4416 wrote to memory of 4596 4416 file.exe 80 PID 4416 wrote to memory of 4596 4416 file.exe 80 PID 4416 wrote to memory of 4596 4416 file.exe 80 PID 4416 wrote to memory of 4596 4416 file.exe 80 PID 4416 wrote to memory of 4596 4416 file.exe 80 PID 4416 wrote to memory of 4596 4416 file.exe 80
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:4416 -
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:4596
-