Analysis
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max time kernel
148s -
max time network
150s -
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 10:43
Static task
static1
Behavioral task
behavioral1
Sample
32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe
Resource
win7-20240903-en
General
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Target
32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe
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Size
60KB
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MD5
6cda88109fdcd3c3ef1dccaca57c4b6a
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SHA1
9be1ddf5b03391baebc2b42f726be79217a0b790
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SHA256
32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792
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SHA512
e2fc34c2e1a0a07231b301db46af4d65a34aadb35eb25eb45a64b454c87e92529806174c2a2a85393555c5bb8b798dee0749696cc11505997a9e18603eb2577e
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPr:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd9W
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:
32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe -
Executes dropped EXE 1 IoCs
Processes:
biudfw.exepid Process 4840 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.exe32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exebiudfw.exedescription ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language biudfw.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exedescription pid Process procid_target PID 4420 wrote to memory of 4840 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 82 PID 4420 wrote to memory of 4840 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 82 PID 4420 wrote to memory of 4840 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 82 PID 4420 wrote to memory of 3768 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 83 PID 4420 wrote to memory of 3768 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 83 PID 4420 wrote to memory of 3768 4420 32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe"C:\Users\Admin\AppData\Local\Temp\32b23609a4322f0b95f30ac8f8ae635fd933d0064a9a1d42b2a5b0cbc09cd792.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4420 -
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:4840
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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:3768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60KB
MD561ecf5ff7c325f3df6396403a6f89a32
SHA1fb957b402b0a6d6c46464c276c9fff8eb0fac903
SHA256e826eb92cef49f3dedfc4ad0e802df17c477e8bede3507c8362635bbbd80ec40
SHA512b88b1444475f882a4f335a11707b56491daca6fcc1cbbc21e8ce467683d4811569cdb2624415259f1161844a92cf2b01448562c0c29da700967f55fd7e5d78b0
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
338B
MD5e25e5bab251ac6cde3578593bafc2a37
SHA101e62a5e58254fc986527abebfc906866ff683be
SHA256e6ef5c4d40eb7b5fcc49fcbac12b2c65737ca8dc2d03ef6db46e5fc1b354c564
SHA51257e8e6e046d9305a23f59161a24701d125c182af3a387fcfdbde90beff6cfcc4d263d2e92aa5ae4ceb2f3dd0e42a10a45abdfecc5820490cc480737be4a1b13e