Analysis
- max time kernel
184s - max time network
34s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
13/12/2022, 22:45
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
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
- Target file.exe
- Size 260KB
- Sample221213-2pc39sbb91
- SHA256 99fc1826fbeae71db0195dff9510f20409d2f2d120d14a2b08ac8a00e986857c
- MD5 fb06029fc75f9427d0edbc5a58896bd5
- SHA1 2ecfe316c5ddce1da22bab475ed620635701614b
- SHA512 b71d9bc7957c946206a4445b7c2bd6428f8b1a978d3ae61923c610642da0b0e2976c9bb3009822b8758d07c7fe89d768844f9f4c119e82c1b316722db0e473e3
- SSDEEP 3072:PMfkLH49e3QHI4JiELn5MIZavbq6AN8VgsqAnTyKaN5mRDalxNy8bGbQ/E1PujKq:ckLYI8LBcqbTAnTy018btow
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1544-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/1544-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1200-58-0x0000000000220000-0x0000000000229000-memory.dmp family_smokeloader behavioral1/memory/1544-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1544-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1200 set thread context of 1544 1200 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 1544 file.exe 1544 file.exe 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found 1236 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1236 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1544 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1236 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 file.exe 28 PID 1200 wrote to memory of 1544 1200 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:1200 -
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:1544
-