Analysis
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max time kernel
111s -
max time network
114s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/11/2024, 08:44
Behavioral task
behavioral1
Sample
ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe
Resource
win7-20240708-en
General
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Target
ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe
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Size
34KB
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MD5
da7eacaddd271449f3252dae777e2c50
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SHA1
8c7f9ccc78cebbc3c24edc8a4238194d5eed752c
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SHA256
ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551ca
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SHA512
8e91f535b398a603950a1b2f7884bf07154b1ef7d1ca8bf0a1cf2a93d9c961445b62f03c5a20a1d57517f4cb808b0562f5b43cd4e8d508cedc41c21935631dce
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SSDEEP
768:bROjawZEjbhxnbcuyD7U9kXfn62tH/1/LpP+g:bRO2wZEjbnouy8Gv6iH/NLpN
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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe -
Executes dropped EXE 1 IoCs
pid Process 2144 rewok.exe -
resource yara_rule behavioral2/memory/5032-0-0x0000000000400000-0x000000000040D000-memory.dmp upx behavioral2/files/0x000d000000023c1f-13.dat upx -
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 ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rewok.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5032 wrote to memory of 2144 5032 ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe 84 PID 5032 wrote to memory of 2144 5032 ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe 84 PID 5032 wrote to memory of 2144 5032 ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe"C:\Users\Admin\AppData\Local\Temp\ccd26d5c747791b43a86a23525a1c56bc11c484be91d4e5c028a6d0c492551caN.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Users\Admin\AppData\Local\Temp\rewok.exe"C:\Users\Admin\AppData\Local\Temp\rewok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2144
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
34KB
MD5c16b3b7d614a646f353f0af6eb770f01
SHA14e12ca15d5a98c588195b628074a9423935ae133
SHA256c9dc55d6e22d51ab86f8584378ecdc816f38fbfef41b2aca9499fb3b1b495d53
SHA5128ba1504aaca603b7a19b9cd99543dfd502574eb51e89dce6b444457f4e3b5b4ac0d1cbb249d48584b9ba4b7a09863252008bd83f9ee673ca8b03223bf3f53609