Analysis
- max time kernel
189s - max time network
32s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system - submitted
02/12/2022, 01:23
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 191KB
- Sample221202-brt7fsdf6v
- SHA256 e9a273b91f016b5e073b7256d6f3ca366e9eed11ee495253d64c92eeb0a83274
- MD5 64b0bd840c853959950594d2ac922689
- SHA1 dc7744d6140d300c169d3d923380df0c1bba15ed
- SHA512 b12fbf291cb9d30209ede8af71668c55a261c854b0ce777bc2c8806dbaafd884568e78ac1b8f500c425937dcf7de6dd967fc18bb063f28f336c6193395c5b5ac
- SSDEEP 3072:zBA0giLesPCfJ8I5mBWzVTNXHXVJb48DRBjAGT8/cIxiIRs9E3AZxpR/t42:lgkPCf8wbpnBjAGT8IBvpE
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 5 IoCs
resource yara_rule behavioral1/memory/1392-55-0x0000000000402DD8-mapping.dmp family_smokeloader behavioral1/memory/624-58-0x00000000001B0000-0x00000000001B9000-memory.dmp family_smokeloader behavioral1/memory/1392-54-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1392-59-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/1392-60-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 624 set thread context of 1392 624 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 1392 file.exe 1392 file.exe 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found 1272 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1272 Process not Found - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1392 file.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1272 Process not Found - Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 file.exe 28 PID 624 wrote to memory of 1392 624 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:624 -
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:1392
-