Analysis
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max time kernel
150s -
max time network
146s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07-02-2023 01:18
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-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 4 IoCs
Processes:
resource yara_rule behavioral2/memory/3600-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4888-135-0x0000000000660000-0x0000000000669000-memory.dmp family_smokeloader behavioral2/memory/3600-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3600-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Executes dropped EXE 2 IoCs
Processes:
hfvcivbhfvcivbpid process 1604 hfvcivb 1928 hfvcivb -
Suspicious use of SetThreadContext 2 IoCs
Processes:
file.exehfvcivbdescription pid process target process PID 4888 set thread context of 3600 4888 file.exe file.exe PID 1604 set thread context of 1928 1604 hfvcivb hfvcivb -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
file.exehfvcivbdescription 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 hfvcivb Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hfvcivb Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI hfvcivb -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
file.exepid process 3600 file.exe 3600 file.exe 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 2560 -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
pid process 2560 -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
file.exehfvcivbpid process 3600 file.exe 1928 hfvcivb -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
description pid process Token: SeShutdownPrivilege 2560 Token: SeCreatePagefilePrivilege 2560 -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
file.exehfvcivbdescription pid process target process PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 4888 wrote to memory of 3600 4888 file.exe file.exe PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb PID 1604 wrote to memory of 1928 1604 hfvcivb hfvcivb
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:4888 -
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:3600
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C:\Users\Admin\AppData\Roaming\hfvcivbC:\Users\Admin\AppData\Roaming\hfvcivb1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Roaming\hfvcivbC:\Users\Admin\AppData\Roaming\hfvcivb2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1928
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\hfvcivbFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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C:\Users\Admin\AppData\Roaming\hfvcivbFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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C:\Users\Admin\AppData\Roaming\hfvcivbFilesize
299KB
MD56d009a731642082c57d26e3525e57456
SHA1616815562a16e5fe87a514eaebf3d560f4a5f527
SHA25613af9de5b7f7fca27f2a3f71f6139d0dd5a4fb64718252df02c3504000f713cb
SHA51224f9677da85f894f6e3e0102cdb5aeb6e7cb3d8bc8efe49361fe8c00d2be9e3f81ee7f4485011975565dfa42b5a78b36ede1c8c4913516bcfb827e276af8a7f3
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memory/1604-143-0x000000000085E000-0x0000000000873000-memory.dmpFilesize
84KB
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memory/1928-140-0x0000000000000000-mapping.dmp
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memory/3600-132-0x0000000000000000-mapping.dmp
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memory/3600-133-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3600-136-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/3600-137-0x0000000000400000-0x0000000000409000-memory.dmpFilesize
36KB
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memory/4888-134-0x00000000006DE000-0x00000000006F4000-memory.dmpFilesize
88KB
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memory/4888-135-0x0000000000660000-0x0000000000669000-memory.dmpFilesize
36KB