Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
01-12-2022 23:29
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
General
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Target
file.exe
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Size
191KB
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MD5
ab648190cb6bbc67d78f079003d950d7
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SHA1
578eca1b1fe4a67d89fe3af6855d95d4b9abc595
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SHA256
186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5
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SHA512
13a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb
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SSDEEP
3072:BB9CblbKYcT7I5CEzOa4TO2Dcddgtr/zfA7HvRs9E3AZxpR/iOqIoGGA00e:JCZcTKOYgtPfWivpIOyA0D
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
resource yara_rule behavioral2/memory/1528-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4384-135-0x00000000005B0000-0x00000000005B9000-memory.dmp family_smokeloader behavioral2/memory/1528-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1528-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1864-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1864-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
pid Process 3900 scdvbdg 1864 scdvbdg -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4384 set thread context of 1528 4384 file.exe 81 PID 3900 set thread context of 1864 3900 scdvbdg 83 -
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 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 scdvbdg Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI scdvbdg Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI scdvbdg -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1528 file.exe 1528 file.exe 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found 3040 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3040 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1528 file.exe 1864 scdvbdg -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3040 Process not Found Token: SeCreatePagefilePrivilege 3040 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 4384 wrote to memory of 1528 4384 file.exe 81 PID 3900 wrote to memory of 1864 3900 scdvbdg 83 PID 3900 wrote to memory of 1864 3900 scdvbdg 83 PID 3900 wrote to memory of 1864 3900 scdvbdg 83 PID 3900 wrote to memory of 1864 3900 scdvbdg 83 PID 3900 wrote to memory of 1864 3900 scdvbdg 83 PID 3900 wrote to memory of 1864 3900 scdvbdg 83
Processes
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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:4384 -
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:1528
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C:\Users\Admin\AppData\Roaming\scdvbdgC:\Users\Admin\AppData\Roaming\scdvbdg1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3900 -
C:\Users\Admin\AppData\Roaming\scdvbdgC:\Users\Admin\AppData\Roaming\scdvbdg2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1864
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
191KB
MD5ab648190cb6bbc67d78f079003d950d7
SHA1578eca1b1fe4a67d89fe3af6855d95d4b9abc595
SHA256186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5
SHA51213a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb
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Filesize
191KB
MD5ab648190cb6bbc67d78f079003d950d7
SHA1578eca1b1fe4a67d89fe3af6855d95d4b9abc595
SHA256186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5
SHA51213a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb
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Filesize
191KB
MD5ab648190cb6bbc67d78f079003d950d7
SHA1578eca1b1fe4a67d89fe3af6855d95d4b9abc595
SHA256186d6991ab941b194ad8a2cd5d25e93a4764ee551e00551c08330ae979fd9aa5
SHA51213a60ed8fb12927524c57f3f81d4f610bdb669048e1c01a7792e41ab4ef2906bf725d78b57c833172b92f457172650ace5358a2a1a47560ee9b46ba0a2e8e0bb