Analysis
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max time kernel
92s -
max time network
94s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
23-11-2024 20:23
Static task
static1
Behavioral task
behavioral1
Sample
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe
Resource
win7-20241023-en
General
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Target
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe
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Size
59KB
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MD5
978b089ceef2604897af017fad16fefe
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SHA1
88ee1a4b2425f8e5bd50adb79e94d8c97189dd36
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SHA256
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0
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SHA512
5f83d9437b099d11ef75213d002d0cc0e06b6f1901bc979c8c4062cc6194fecbf72bc93aa234bbae4da9844873468956362d0ef7bf6a4848a838222201079a64
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPK:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdB
Malware Config
Extracted
urelas
218.54.47.76
218.54.47.77
218.54.47.74
Signatures
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Urelas family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 828 biudfw.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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exebiudfw.execmd.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exedescription pid Process procid_target PID 5056 wrote to memory of 828 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 82 PID 5056 wrote to memory of 828 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 82 PID 5056 wrote to memory of 828 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 82 PID 5056 wrote to memory of 1652 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 83 PID 5056 wrote to memory of 1652 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 83 PID 5056 wrote to memory of 1652 5056 3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe"C:\Users\Admin\AppData\Local\Temp\3d324dc58902c1a941c8b9b88ebb1ce22735cc5b8d26f1ef98bd22eb782ef8d0.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056 -
C:\Users\Admin\AppData\Local\Temp\biudfw.exe"C:\Users\Admin\AppData\Local\Temp\biudfw.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:828
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:1652
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
59KB
MD59a27a815f27f8f167d7a5c1df58cfbce
SHA1dbed3fce1b677559293443dcded845132ba2a851
SHA25622194f6f6ce4642c7497fbb2d1c44901619ca44eec45d4bfc391e77bb8de7c74
SHA512045a8df0a20ff91555f8b6b61a41e569ff95ab6ad23c90538ccd4e5ce224409b742914046acaba8e447aa8b3b6d9bd62e8022b7bfd0090ce482ea27e67b5f030
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD549d6977faf6fef8d92df12e597d0d4b3
SHA1a6d8cd8ef26763144e9006e64d2dd143512ae58e
SHA2569fceb3376b080573fe458a550c94ad3d66160533570852b2916098a1ae500983
SHA512e55478f76f4b4eadbf4160a71cfc8b5f1db7a5d3f7f42859433c7fd40f75af2ab186e4a1f4bcc5faf2a8a646146d2f9c96557c08bb3b436b6461a3e7478c4282