Analysis
- max time kernel
190s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
02/12/2022, 15:24
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
8 signatures
150 seconds
General
- Target file.exe
- Size 349KB
- Sample221202-ss3nnaea6y
- SHA256 d6b56b36d4997bb6c99e4447f4da90b2979d93a720b922840a6ccdf4d8e7685c
- MD5 3282bda582eaa31b820750538b53e4ad
- SHA1 099ce0b450e084ab7a8fc7800bfd9f84a12d7eda
- SHA512 00f99581955b83325f3a13d696941931235caeb81114a082de10f64a2fca0866107afc6817c672ec6409cf183678aa83f76f419114a22149f956bc8bf344dbbf
- SSDEEP 6144:B29IbLQAiVEpPBfmFpi2BMT+SCS34uRjMgU:BccGVEqC2+ZRQg
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1108-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1108-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1332-58-0x0000000000020000-0x0000000000029000-memory.dmp family_smokeloader behavioral1/memory/1108-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1108-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1332 set thread context of 1108 1332 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 1108 file.exe 1108 file.exe 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found 1196 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1196 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1108 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1196 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28 PID 1332 wrote to memory of 1108 1332 file.exe 28
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:1332 -
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:1108
-