Analysis
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max time kernel
95s -
max time network
98s -
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 18:46
Static task
static1
Behavioral task
behavioral1
Sample
daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe
Resource
win7-20240903-en
General
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Target
daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe
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Size
60KB
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MD5
dd3b7ad228e1f057a5e2eb6ce12e6fa8
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SHA1
a12f42feadfcecf85333b9936e6dae60866dc734
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SHA256
daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941
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SHA512
28fc6779177da39d2e9b41b63ea8e47f9707bebf0d4cb60c55ff5f968803a3f2c87b5a74b1cc3704f5b97aec6f42152a5b6b0cb9d4e8475382314d409197fcfa
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPY:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdrl
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:
daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 4984 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:
cmd.exedaefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exebiudfw.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exedescription pid Process procid_target PID 2220 wrote to memory of 4984 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 85 PID 2220 wrote to memory of 4984 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 85 PID 2220 wrote to memory of 4984 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 85 PID 2220 wrote to memory of 1916 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 86 PID 2220 wrote to memory of 1916 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 86 PID 2220 wrote to memory of 1916 2220 daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe"C:\Users\Admin\AppData\Local\Temp\daefbc82817adf0eb0668c060687b67f87cb19c603c62c35d0c7d34889bb8941.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2220 -
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:4984
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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:1916
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD5ab0016d13e4b202ac9ca110cc6a1a751
SHA15f43d761d93f434a8722449998ff43e9b4ec7aba
SHA2569ba02badd86ea1809eebbf6ae6fc46441000142f0e8124efb927c715b1dcc516
SHA5125ca6821075ff1bc1bcb6e168093414642f37e3788c5dac87226039239074cca3f642847c9904838b25a93965a8ef2c3d1669a86e0b5997bf67793f607717ed1e
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD5a9dd62a38dfb6386bf71c4ab2f9c6c09
SHA19632041dd2dabc0e1ac1e33cb97cbd84250c0f8b
SHA256c87ae2762305a1fff48dd136368fd161a6a82a1a15a3811bee4ca3a4de2da3c9
SHA512b1c8c363cf4d3d95c0e152a601dfec63eecc63cd00a349274bcca04da3bcdc184e5f27d950cc05e0c1aabccedf0790402f1120fe4050550a7e77df6f94a36761