Analysis
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max time kernel
151s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2023 01:19
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
General
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Target
file.exe
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Size
299KB
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MD5
6d009a731642082c57d26e3525e57456
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SHA1
616815562a16e5fe87a514eaebf3d560f4a5f527
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SHA256
13af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
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SHA512
24f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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SSDEEP
3072:Kab6bldLYwRm5GO6bBiBQdk3SHvRuQjiMTE5y8a5H:fWdLY3ybBiBkpPRuQj9b8a
Malware Config
Signatures
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Detects Smokeloader packer 6 IoCs
Processes:
resource yara_rule behavioral2/memory/1124-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3368-135-0x0000000000550000-0x0000000000559000-memory.dmp family_smokeloader behavioral2/memory/1124-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1124-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1132-144-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1132-145-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
Processes:
fwjuhtdfwjuhtdpid process 4424 fwjuhtd 1132 fwjuhtd -
Suspicious use of SetThreadContext 2 IoCs
Processes:
file.exefwjuhtddescription pid process target process PID 3368 set thread context of 1124 3368 file.exe file.exe PID 4424 set thread context of 1132 4424 fwjuhtd fwjuhtd -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
fwjuhtdfile.exedescription ioc process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwjuhtd Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI fwjuhtd 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 fwjuhtd -
Modifies registry class 3 IoCs
Processes:
description ioc process Key created \REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\ -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 1124 file.exe 1124 file.exe 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 964 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 964 -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
file.exepid process 1124 file.exe -
Suspicious use of AdjustPrivilegeToken 12 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 Token: SeShutdownPrivilege 964 Token: SeCreatePagefilePrivilege 964 -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
pid process 964 964 -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
file.exefwjuhtddescription pid process target process PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 3368 wrote to memory of 1124 3368 file.exe file.exe PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd PID 4424 wrote to memory of 1132 4424 fwjuhtd fwjuhtd
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:3368 -
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:1124
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C:\Users\Admin\AppData\Roaming\fwjuhtdC:\Users\Admin\AppData\Roaming\fwjuhtd1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4424 -
C:\Users\Admin\AppData\Roaming\fwjuhtdC:\Users\Admin\AppData\Roaming\fwjuhtd2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
PID:1132
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\fwjuhtdFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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C:\Users\Admin\AppData\Roaming\fwjuhtdFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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C:\Users\Admin\AppData\Roaming\fwjuhtdFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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memory/1124-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1124-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1124-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1124-132-0x0000000000000000-mapping.dmp
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memory/1132-140-0x0000000000000000-mapping.dmp
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memory/1132-144-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/1132-145-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3368-135-0x0000000000550000-0x0000000000559000-memory.dmpFilesize
36KB
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memory/3368-134-0x000000000059F000-0x00000000005B5000-memory.dmpFilesize
88KB
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memory/4424-143-0x000000000075E000-0x0000000000773000-memory.dmpFilesize
84KB