Analysis
- max time kernel
150s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
07/10/2024, 08:47
Behavioral task
behavioral1
Sample
1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe
Resource
win7-20240903-en
10 signatures
150 seconds
General
- Target 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe
- Size 581KB
- Sample241007-kpv6eazgnd
- SHA256 d127adc44b4e55a787816e3a42712b4b90043397c1d363b8a42c64e744dfd3b3
- MD5 1c8a08689c16a7cab2a8c7c03a66befa
- SHA1 ee5dcbb869ef80dcbd27a5a9dbbafcf1cddcc9c2
- SHA512 ebcd63e5d33595d583c0bebf3a356f67385bf021da592780600f340668960691d7649a171d88954a1365bbf12327b4f3406e5b7e4acefbe8c5af04175af08883
- SSDEEP 6144:MajY1oC+/U8Vjlx4kk9HKda4L383j8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQu:cOlx4kk9HKda4Y38oSiQi4kVdcQzjD
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
urelas
C2
-
1.234.83.146
-
133.242.129.155
-
218.54.31.226
-
218.54.31.165
Signatures
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation owbye.exe - Executes dropped EXE 2 IoCs
pid Process 2612 owbye.exe 2888 velew.exe -
resource yara_rule behavioral2/memory/3088-0-0x0000000000400000-0x00000000004C0000-memory.dmp upx behavioral2/files/0x000400000001e6cf-6.dat upx behavioral2/memory/2612-11-0x0000000000400000-0x00000000004C0000-memory.dmp upx behavioral2/memory/3088-14-0x0000000000400000-0x00000000004C0000-memory.dmp upx behavioral2/memory/2612-17-0x0000000000400000-0x00000000004C0000-memory.dmp upx behavioral2/memory/2612-27-0x0000000000400000-0x00000000004C0000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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 velew.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language owbye.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe 2888 velew.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2888 velew.exe Token: SeIncBasePriorityPrivilege 2888 velew.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3088 wrote to memory of 2612 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 84 PID 3088 wrote to memory of 2612 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 84 PID 3088 wrote to memory of 2612 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 84 PID 3088 wrote to memory of 1248 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 85 PID 3088 wrote to memory of 1248 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 85 PID 3088 wrote to memory of 1248 3088 1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe 85 PID 2612 wrote to memory of 2888 2612 owbye.exe 96 PID 2612 wrote to memory of 2888 2612 owbye.exe 96 PID 2612 wrote to memory of 2888 2612 owbye.exe 96
Processes
-
C:\Users\Admin\AppData\Local\Temp\1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c8a08689c16a7cab2a8c7c03a66befa_JaffaCakes118.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088 -
C:\Users\Admin\AppData\Local\Temp\owbye.exe"C:\Users\Admin\AppData\Local\Temp\owbye.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2612 -
C:\Users\Admin\AppData\Local\Temp\velew.exe"C:\Users\Admin\AppData\Local\Temp\velew.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2888
-
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\_uinsey.bat" "2⤵
- System Location Discovery: System Language Discovery
PID:1248
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_uinsey.bat
- Size 304B
- SHA256 df678ba7991eac0791eb4dce0587402100354460425c3341fbd041bd0386a6b3
- MD5 795f066b4b5ae18dacd2089bc003ab4b
- SHA1 b1f92ae0b52697237b81b6a2ceccad6e87d178f9
- SHA512 611bd5c24f58a73e8f8f78818dad8e11908b63b4f90a32978923617bd9ff78ec40432a00454812e4c0137c17f5257c51e93ed541d42acdbac2c846f94bae622c
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 1098174798eebb486a87a7baf279baa52003d7b6de075038335275f150c23c66
- MD5 dad24f90ae8d6b19eb8787239a68ec20
- SHA1 03abad79873fb18b8a50815eb5475bee6951dc43
- SHA512 b3f4f179f6256bf3ef0898289f668a4df1f2ed1f7f127a5815f9b2a5518c4615a1049dc308962c39d73cddc43623c779b4ffe06aa5975bc96b1edd29e473ca9f
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\owbye.exe
- Size 581KB
- SHA256 f3d782e8b61384a85d35e7f748d66a8e1b5c73a0f782ef12f559aa3dd1a1b579
- MD5 e19b6802aba4b0e36dc2349777748387
- SHA1 9c09a8dd4f8629e6242f86867207d1c3e18573dc
- SHA512 9ef20a41a8dcd75017fca9cc80b944fc414efbf08e71350b122e6dafd3a6aeb9eb4825705d60359d7b32331bdf5e4fb2f62df4d83372752dac7c749f70d432e3
- SSDEEP 6144:MajY1oC+/U8Vjlx4kk9HKda4L383j8hpdoSQbQFsrF1W/h84IrV7mMpH8zQW4jQO:cOlx4kk9HKda4Y38oSiQi4kVdcQzjr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\velew.exe
- Size 201KB
- SHA256 4fda418bb35b02248504bc38fb8249ab5b830819db78a89c82d4d6f62ababce4
- MD5 67e5c13835df016e6803e87ec9e4e80e
- SHA1 154e03824be5201a3047ffd5894b0b75df20fbec
- SHA512 37b3f06fed43cdc987b16ab70c02ce1097a7bc531f2cc02d1854cb4b4c3624ef7c44324ae5f99a87ebcb90ec54df10867581e11c2f46c4450379baa9c0e65a52
- SSDEEP 6144:WvVNKTWduZn4HXfDHHjpWVncWYSlYhluu/QtPx:WjgPZ4HvrHj436/Ix
- MD5 SHA1 SHA512 SSDEEP