Analysis
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max time kernel
137s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
01-11-2024 20:15
Static task
static1
Behavioral task
behavioral1
Sample
abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
Resource
win10v2004-20241007-en
General
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Target
abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe
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Size
278KB
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MD5
278ef2bf0fdcbcac925563581fb4c64e
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SHA1
b5c0325f045201ebdb4ccf90aa7cde9ce98e6614
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SHA256
abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708
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SHA512
f5706343c8d2d807769c57a21a240724027913507d9410e30146f2e022062422f297120da0094cd48cfc460eb42750637a154b96bedefa253ff30761d219b4d8
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SSDEEP
6144:boy5p178U0MURaGyNXYWQzHazRfXrwSRnWwhrQ66f1:boSeGUA5YZazpXUmZhZ69
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe -
Executes dropped EXE 1 IoCs
pid Process 2196 a1punf5t2of.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\b1b2dqljdx3 = "C:\\Users\\Admin\\AppData\\Roaming\\b1b2dqljdx3\\a1punf5t2of.exe" abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a1punf5t2of.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4068 wrote to memory of 2196 4068 abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe 92 PID 4068 wrote to memory of 2196 4068 abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe 92 PID 4068 wrote to memory of 2196 4068 abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe 92 PID 2196 wrote to memory of 5084 2196 a1punf5t2of.exe 95 PID 2196 wrote to memory of 5084 2196 a1punf5t2of.exe 95 PID 2196 wrote to memory of 5084 2196 a1punf5t2of.exe 95
Processes
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C:\Users\Admin\AppData\Local\Temp\abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe"C:\Users\Admin\AppData\Local\Temp\abf164c6976dbde6f7aeeb1fa067a387191143e692e6b506845f37193ec3c708.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4068 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2196 -
C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"C:\Users\Admin\AppData\Roaming\b1b2dqljdx3\a1punf5t2of.exe"3⤵PID:5084
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
278KB
MD52653dd0327d0d5195072236456dd0af2
SHA15bda6fb2f1222faea13223f38afa36fe22c3c32a
SHA256f3e8333901578bee8d2c95fbeb994c45e80518d1ce32b1e04a64364120af215f
SHA51243a6455acad75d696544163c8668364a4430f68357793aaa3688d2b46783da870435d11b3631f616bc84b779943b105123e0d7f5deaca563d78a1fa64a7a174a