Analysis
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max time kernel
93s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
07-12-2024 05:52
Static task
static1
Behavioral task
behavioral1
Sample
5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe
Resource
win7-20240903-en
General
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Target
5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe
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Size
66KB
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MD5
b378bd856b0fbc4c1695ae2fde1c9f9b
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SHA1
451fc0ba0ad186ce1bb14da99ceeb3d621727cb0
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SHA256
5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52
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SHA512
890c33f467357de212bb173f4c404c281ceb4bf0475f3aa266adaacd77b5a7dc0cf357cc82012b1acad9fcab218734c01cb6b99e50c779d01af77c8c10bef6f1
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SSDEEP
1536:6bQx5oPsr2vFxDPhAvzgAQzFZ77MzeTmUD0/:6bQRSHpAvzyf7MzeThD0/
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe -
Executes dropped EXE 1 IoCs
pid Process 404 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.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
description pid Process procid_target PID 4616 wrote to memory of 404 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 84 PID 4616 wrote to memory of 404 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 84 PID 4616 wrote to memory of 404 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 84 PID 4616 wrote to memory of 2552 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 85 PID 4616 wrote to memory of 2552 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 85 PID 4616 wrote to memory of 2552 4616 5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe"C:\Users\Admin\AppData\Local\Temp\5797d226cc41b26b7b60ce3830d0057429ce80040d5dec3a17739f85377bdd52.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4616 -
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:404
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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:2552
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
66KB
MD5dcd03528ad818aebd0febf9f263d2956
SHA117d3558ce7f661f0423a94b1f8b362b646490491
SHA256b799aec2c9dc94c529527bbd1cdfe45d0b5dcb1953b7aa069a82272ef8497f36
SHA5128e3fa5c448645e2d16173323a06c0f91f421fb14f66bd220dca3fdd7a8bec29eaa6ccfa6e9c716254f38185122135341b17aba3727aaab316cbcc9c361b76dd1
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Filesize
512B
MD5efd90b3ac908d5482af367de3a82184a
SHA1de9f01d2ed0247b7b347e55c5a09721a60147fb9
SHA25644f3db1bb73bb207a88008ae28d0399f888b5714ccccb2056f4148b4455e693d
SHA5126e3355f895af1d81887d5750033c5a139e4a0e1c2c928aeef1fd37f9c191e754b1f524d252c229ea5e744dbef4dd0a8240d9d3443651d42de198e82a197afb02
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Filesize
338B
MD52d1a9609cbdfa8c2dd48a19dcb1d17bb
SHA1216f5946dba739a97cf58946632d7e4a7e61763e
SHA256d462f2fcc4774b0e4bdf4d1a2d0f0094ae45b667568a6ff2d0910a595352cc25
SHA5121bd5e2577c4c4542990d93d1ad5fe35ef8e86a76522002592629aef9097d12cb1b4d8fe01ac57a5c7cb7d125b2e4a63a8cab7fb2fe7f2fd409e742a3eb6600ff