Analysis
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max time kernel
145s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
25-01-2024 17:27
Static task
static1
Behavioral task
behavioral1
Sample
7517ba9f85f8e9ac85e603e51d73e9b1.dll
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
7517ba9f85f8e9ac85e603e51d73e9b1.dll
Resource
win10v2004-20231215-en
General
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Target
7517ba9f85f8e9ac85e603e51d73e9b1.dll
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Size
60KB
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MD5
7517ba9f85f8e9ac85e603e51d73e9b1
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SHA1
2709770df7961e1d7aebd6205ac87a23f137a6e2
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SHA256
38fa4588c8e8d04f5c069a816f628d5f146a950e70a0b58273e2886fa48b40f8
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SHA512
80281235f0f3caa82daf2b8fa9d17e8265952ebc104427d168754d23181737c617c82287e38d111a09eb3678c9e7c9fed0be0aa742b62ec1e630633a3c12120d
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SSDEEP
768:NBZX+Nzp4mjNx4Ds4l6iE18++uWdB9GBc81f+Iw5BLJUXNPgH9nmscY:NPdc1inuWdB9r8YXPJY2BmscY
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cmd.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 2 IoCs
Processes:
rundll32.execmd.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-1232405761-1209240240-3206092754-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
Processes:
regedit.exepid process 2936 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
rundll32.exepid process 4492 rundll32.exe 4492 rundll32.exe 4492 rundll32.exe 4492 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
rundll32.exerundll32.execmd.exedescription pid process target process PID 2916 wrote to memory of 4492 2916 rundll32.exe rundll32.exe PID 2916 wrote to memory of 4492 2916 rundll32.exe rundll32.exe PID 2916 wrote to memory of 4492 2916 rundll32.exe rundll32.exe PID 4492 wrote to memory of 1276 4492 rundll32.exe cmd.exe PID 4492 wrote to memory of 1276 4492 rundll32.exe cmd.exe PID 4492 wrote to memory of 1276 4492 rundll32.exe cmd.exe PID 1276 wrote to memory of 2936 1276 cmd.exe regedit.exe PID 1276 wrote to memory of 2936 1276 cmd.exe regedit.exe PID 1276 wrote to memory of 2936 1276 cmd.exe regedit.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7517ba9f85f8e9ac85e603e51d73e9b1.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2916 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\7517ba9f85f8e9ac85e603e51d73e9b1.dll,#12⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4492 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1276 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- Runs .reg file with regedit
PID:2936
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
152B
MD5b100f5324ef74ded0b998e64d07a2e19
SHA140b0d7f51bf2dd8451f1b723d21355c471a5fa46
SHA2563db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042
SHA512c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04