Analysis
- max time kernel
150s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system - submitted
27/01/2023, 02:18
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
10 signatures
150 seconds
General
- Target file.exe
- Size 201KB
- Sample230127-cracqagb87
- SHA256 2f2e1fe9ddf13496478fa00e6dc14561bf28c76a9ab5a007658e8038bb2a31b6
- MD5 c97709361260b5eb1758521e659c2906
- SHA1 0c6f05d762b421650ff35294c17a8397871e88a2
- SHA512 8e48d80aff51592c49b8c94ea0aadb93beb42546390309ef81922d053c5be7b2efe624e4dc52e111139f35c9e2a381786e2f91117298c3f80ed5052bba2fce61
- SSDEEP 3072:eKBN3bpOGesgNbHNLew/0o45S8UWmp0lqbT/LS9WL4XFH8:NHgRNLew/0UXWd1WLAH8
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1396-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4316-135-0x0000000002CE0000-0x0000000002CE9000-memory.dmp family_smokeloader behavioral2/memory/1396-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1396-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3856-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3856-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 2 IoCs
pid Process 4340 bswgveb 3856 bswgveb - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4316 set thread context of 1396 4316 file.exe 83 PID 4340 set thread context of 3856 4340 bswgveb 94 - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bswgveb Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bswgveb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bswgveb 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 1396 file.exe 1396 file.exe 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found 2808 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2808 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1396 file.exe 3856 bswgveb - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2808 Process not Found Token: SeCreatePagefilePrivilege 2808 Process not Found - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4316 wrote to memory of 1396 4316 file.exe 83 PID 4340 wrote to memory of 3856 4340 bswgveb 94 PID 4340 wrote to memory of 3856 4340 bswgveb 94 PID 4340 wrote to memory of 3856 4340 bswgveb 94 PID 4340 wrote to memory of 3856 4340 bswgveb 94 PID 4340 wrote to memory of 3856 4340 bswgveb 94 PID 4340 wrote to memory of 3856 4340 bswgveb 94
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:4316 -
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:1396
-
-
C:\Users\Admin\AppData\Roaming\bswgvebC:\Users\Admin\AppData\Roaming\bswgveb1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4340 -
C:\Users\Admin\AppData\Roaming\bswgvebC:\Users\Admin\AppData\Roaming\bswgveb2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3856
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\bswgveb
- Size 201KB
- SHA256 2f2e1fe9ddf13496478fa00e6dc14561bf28c76a9ab5a007658e8038bb2a31b6
- MD5 c97709361260b5eb1758521e659c2906
- SHA1 0c6f05d762b421650ff35294c17a8397871e88a2
- SHA512 8e48d80aff51592c49b8c94ea0aadb93beb42546390309ef81922d053c5be7b2efe624e4dc52e111139f35c9e2a381786e2f91117298c3f80ed5052bba2fce61
- SSDEEP 3072:eKBN3bpOGesgNbHNLew/0o45S8UWmp0lqbT/LS9WL4XFH8:NHgRNLew/0UXWd1WLAH8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bswgveb
- Size 201KB
- SHA256 2f2e1fe9ddf13496478fa00e6dc14561bf28c76a9ab5a007658e8038bb2a31b6
- MD5 c97709361260b5eb1758521e659c2906
- SHA1 0c6f05d762b421650ff35294c17a8397871e88a2
- SHA512 8e48d80aff51592c49b8c94ea0aadb93beb42546390309ef81922d053c5be7b2efe624e4dc52e111139f35c9e2a381786e2f91117298c3f80ed5052bba2fce61
- SSDEEP 3072:eKBN3bpOGesgNbHNLew/0o45S8UWmp0lqbT/LS9WL4XFH8:NHgRNLew/0UXWd1WLAH8
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bswgveb
- Size 201KB
- SHA256 2f2e1fe9ddf13496478fa00e6dc14561bf28c76a9ab5a007658e8038bb2a31b6
- MD5 c97709361260b5eb1758521e659c2906
- SHA1 0c6f05d762b421650ff35294c17a8397871e88a2
- SHA512 8e48d80aff51592c49b8c94ea0aadb93beb42546390309ef81922d053c5be7b2efe624e4dc52e111139f35c9e2a381786e2f91117298c3f80ed5052bba2fce61
- SSDEEP 3072:eKBN3bpOGesgNbHNLew/0o45S8UWmp0lqbT/LS9WL4XFH8:NHgRNLew/0UXWd1WLAH8
- MD5 SHA1 SHA512 SSDEEP