Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
09-03-2024 15:38
Static task
static1
Behavioral task
behavioral1
Sample
bc2c52a3f341f8f93622247caf1851c3.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
bc2c52a3f341f8f93622247caf1851c3.exe
Resource
win10v2004-20240226-en
General
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Target
bc2c52a3f341f8f93622247caf1851c3.exe
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Size
317KB
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MD5
bc2c52a3f341f8f93622247caf1851c3
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SHA1
f5350c12bf2e1efe8e28a47c317824fdf7ae77c4
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SHA256
dd1b37482a3895b21c34ce1b2062bd56d590f4e44dc0f61e9ad1e7685afdc405
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SHA512
e6e0c12ee3d3480d2ad1da02718ea159c0eebe497d15b47c31ece8206db7b6ffa90cebb41b3e578a7f2dbe1a844af8730fff428fba2b46829f7a82aec98aecc2
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SSDEEP
6144:zPWw0xrvZVKKonZoCvUmzC2oYymKcOEqCwvS9ywfnf85w:Cw0hXKKSqBmzCOAcBqCwvS9ywH8y
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 3536 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 4652 igdrhhd -
Program crash 2 IoCs
pid pid_target Process procid_target 3476 2112 WerFault.exe 88 3200 4652 WerFault.exe 110 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bc2c52a3f341f8f93622247caf1851c3.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI igdrhhd Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI igdrhhd Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI igdrhhd Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bc2c52a3f341f8f93622247caf1851c3.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bc2c52a3f341f8f93622247caf1851c3.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2112 bc2c52a3f341f8f93622247caf1851c3.exe 2112 bc2c52a3f341f8f93622247caf1851c3.exe 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found 3536 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2112 bc2c52a3f341f8f93622247caf1851c3.exe 4652 igdrhhd -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3536 Process not Found Token: SeCreatePagefilePrivilege 3536 Process not Found Token: SeShutdownPrivilege 3536 Process not Found Token: SeCreatePagefilePrivilege 3536 Process not Found -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\bc2c52a3f341f8f93622247caf1851c3.exe"C:\Users\Admin\AppData\Local\Temp\bc2c52a3f341f8f93622247caf1851c3.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2112 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2112 -s 3682⤵
- Program crash
PID:3476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 2112 -ip 21121⤵PID:4020
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C:\Users\Admin\AppData\Roaming\igdrhhdC:\Users\Admin\AppData\Roaming\igdrhhd1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:4652 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4652 -s 3682⤵
- Program crash
PID:3200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4652 -ip 46521⤵PID:4424
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
317KB
MD5bc2c52a3f341f8f93622247caf1851c3
SHA1f5350c12bf2e1efe8e28a47c317824fdf7ae77c4
SHA256dd1b37482a3895b21c34ce1b2062bd56d590f4e44dc0f61e9ad1e7685afdc405
SHA512e6e0c12ee3d3480d2ad1da02718ea159c0eebe497d15b47c31ece8206db7b6ffa90cebb41b3e578a7f2dbe1a844af8730fff428fba2b46829f7a82aec98aecc2