Analysis
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max time kernel
95s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-12-2024 20:14
Static task
static1
Behavioral task
behavioral1
Sample
f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe
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Size
59KB
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MD5
f594dcce95f306da447e0bdcdee9d87c
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SHA1
c23e6e348869b37c3d4dd9e9534542451479d366
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SHA256
34e5423e43f03ca6fede50e4cb35045c4f1ca4049a5133f041ac3639c4349fb1
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SHA512
68b661e27df2540a7f5b4190f6d920b106226b953461770053696802ac224813ee55450c93a0d92739957795436ef9ea5837199708083391bb8817c690741e2b
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SSDEEP
768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPW:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdX
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe -
Executes dropped EXE 1 IoCs
pid Process 2332 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 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.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 4916 wrote to memory of 2332 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 83 PID 4916 wrote to memory of 2332 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 83 PID 4916 wrote to memory of 2332 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 83 PID 4916 wrote to memory of 2156 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 84 PID 4916 wrote to memory of 2156 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 84 PID 4916 wrote to memory of 2156 4916 f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\f594dcce95f306da447e0bdcdee9d87c_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4916 -
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:2332
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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:2156
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
59KB
MD5798550627fe0724fada7be83862d1ec2
SHA1adc251011783d7ef6cabe57516329aa367e61d2d
SHA256886ff481bee6dafb1ed711930e13b5d8f4f599e20a064419f589290d42d55c70
SHA512b6f9394a63d7c02d263f98e65301f80b448cc10777ce0fa1afe2e95ed7375194a6e4426a96535d3c2fd74551cda9f1b528b36f7fb845da91bbfaa8bd118c23a3
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Filesize
512B
MD555e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1449221fd8d7196a54de2bd583625d8d1b64db56a
SHA256a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
SHA5124af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
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Filesize
302B
MD59e3d13d838270a8227fbc4552779acac
SHA194cd5d7602e0cd27b498e9c6b0d4f465fbf84671
SHA2562bb6d92d38a73f51d2d8cdc6584201b2afbdc61de749390a9d635f3ec9a7d3de
SHA512a4aac47c8ea3c7e534ac4948f7bf381fd6c4ce763c4f1877d8dba9b214968c3c4f0cc934aca88b8445c7e432716cd29217f9687da6989a79b41270db60eabb8f