Analysis
- max time kernel
150s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
01/01/2023, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 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 239KB
- Sample230101-wtql9sfe5x
- SHA256 014bc6202e80345103ff7d0151fb8f21287241d6059587f9fbc2cfd0a4cc5d88
- MD5 b48952bc5b651dcb8553dcf37d0caebf
- SHA1 3ca19e11687b76322256cce89f7dc6da0515b9a5
- SHA512 8a615a81a908ba3bea4df4f0b6760b99e23ff219ea48740b3c5d78db80a168aa8cfcca5e43ad81636aab8f21efb921c80f3f8b772c7d6c647773381a2f35ac53
- SSDEEP 3072:RXXJAEv1Ll+tnf35YhP42bvtKpPrSiZJczqYMpqbQcPWkFIM2nvQGW7iSWt:x9Lcfq4w1KpPd60QsoIV4b7i
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/820-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4188-135-0x00000000005F0000-0x00000000005F9000-memory.dmp family_smokeloader behavioral2/memory/820-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/820-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4188 set thread context of 820 4188 file.exe 82 - 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 820 file.exe 820 file.exe 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found 1936 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1936 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 820 file.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4188 wrote to memory of 820 4188 file.exe 82 PID 4188 wrote to memory of 820 4188 file.exe 82 PID 4188 wrote to memory of 820 4188 file.exe 82 PID 4188 wrote to memory of 820 4188 file.exe 82 PID 4188 wrote to memory of 820 4188 file.exe 82 PID 4188 wrote to memory of 820 4188 file.exe 82
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:4188 -
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:820
-