Analysis
- max time kernel
150s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
24/01/2023, 10:18
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
8 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 194KB
- Sample230124-mbyeqaca5w
- SHA256 cd56ba9fee78295bd38d1c419b9738c8e88d53e0ce7bb75a07382aad808f7a2b
- MD5 41c481d9f0a07a0906143c39dbacc84c
- SHA1 1a1cb23a9cc2f7da5bfd1285b6e73907f2c464b8
- SHA512 0d2e7e105ac675ea1009b4f94f62afbade24f99cb7d0d9692f64b0bddc7513bcec0e908f8830dd0a40fca2e2f5473773cc70dcbe6b8050a3a105508ae07583f8
- SSDEEP 3072:OBN0XKu8JYtLDxvcov5sQtgAdS5b1/XapjFTYSZRVcugoMm:iiE4LtvcoSrC1aEcBoM
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/2728-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3468-135-0x0000000002C50000-0x0000000002C59000-memory.dmp family_smokeloader behavioral2/memory/2728-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/2728-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/428-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/428-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 3400 ffttjrg 428 ffttjrg - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 3468 set thread context of 2728 3468 file.exe 84 PID 3400 set thread context of 428 3400 ffttjrg 91 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffttjrg Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffttjrg 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI ffttjrg - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2728 file.exe 2728 file.exe 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found 2176 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2176 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2728 file.exe 428 ffttjrg - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2176 Process not Found Token: SeCreatePagefilePrivilege 2176 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3468 wrote to memory of 2728 3468 file.exe 84 PID 3400 wrote to memory of 428 3400 ffttjrg 91 PID 3400 wrote to memory of 428 3400 ffttjrg 91 PID 3400 wrote to memory of 428 3400 ffttjrg 91 PID 3400 wrote to memory of 428 3400 ffttjrg 91 PID 3400 wrote to memory of 428 3400 ffttjrg 91 PID 3400 wrote to memory of 428 3400 ffttjrg 91
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:3468 -
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:2728
-
-
C:\Users\Admin\AppData\Roaming\ffttjrgC:\Users\Admin\AppData\Roaming\ffttjrg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3400 -
C:\Users\Admin\AppData\Roaming\ffttjrgC:\Users\Admin\AppData\Roaming\ffttjrg2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:428
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\ffttjrg
- Size 194KB
- SHA256 cd56ba9fee78295bd38d1c419b9738c8e88d53e0ce7bb75a07382aad808f7a2b
- MD5 41c481d9f0a07a0906143c39dbacc84c
- SHA1 1a1cb23a9cc2f7da5bfd1285b6e73907f2c464b8
- SHA512 0d2e7e105ac675ea1009b4f94f62afbade24f99cb7d0d9692f64b0bddc7513bcec0e908f8830dd0a40fca2e2f5473773cc70dcbe6b8050a3a105508ae07583f8
- SSDEEP 3072:OBN0XKu8JYtLDxvcov5sQtgAdS5b1/XapjFTYSZRVcugoMm:iiE4LtvcoSrC1aEcBoM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ffttjrg
- Size 194KB
- SHA256 cd56ba9fee78295bd38d1c419b9738c8e88d53e0ce7bb75a07382aad808f7a2b
- MD5 41c481d9f0a07a0906143c39dbacc84c
- SHA1 1a1cb23a9cc2f7da5bfd1285b6e73907f2c464b8
- SHA512 0d2e7e105ac675ea1009b4f94f62afbade24f99cb7d0d9692f64b0bddc7513bcec0e908f8830dd0a40fca2e2f5473773cc70dcbe6b8050a3a105508ae07583f8
- SSDEEP 3072:OBN0XKu8JYtLDxvcov5sQtgAdS5b1/XapjFTYSZRVcugoMm:iiE4LtvcoSrC1aEcBoM
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\ffttjrg
- Size 194KB
- SHA256 cd56ba9fee78295bd38d1c419b9738c8e88d53e0ce7bb75a07382aad808f7a2b
- MD5 41c481d9f0a07a0906143c39dbacc84c
- SHA1 1a1cb23a9cc2f7da5bfd1285b6e73907f2c464b8
- SHA512 0d2e7e105ac675ea1009b4f94f62afbade24f99cb7d0d9692f64b0bddc7513bcec0e908f8830dd0a40fca2e2f5473773cc70dcbe6b8050a3a105508ae07583f8
- SSDEEP 3072:OBN0XKu8JYtLDxvcov5sQtgAdS5b1/XapjFTYSZRVcugoMm:iiE4LtvcoSrC1aEcBoM
- MD5 SHA1 SHA512 SSDEEP