Analysis
- max time kernel
92s - max time network
96s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system - submitted
03/04/2024, 19:40
Behavioral task
behavioral1
Sample
2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe
Resource
win7-20240220-en
8 signatures
150 seconds
General
- Target 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe
- Size 201KB
- Sample240403-ydhb3aaf71
- SHA256 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2
- MD5 3008a300dcaf8ad6512c194abf0e1a3f
- SHA1 cd3bdd991c43a84e878f4b3a50a50ff5043c0deb
- SHA512 f708f779afbf2a0c2738b98e62c07742ed6d2d1a34f517269656370cd3b224ab59f8c96998d4c6634ea8fb30467f1c80cb0caae844804837e06113d1d2494a49
- SSDEEP 3072:SYYutRQSc/7c6tJ8m9B5MuaRQLsfPAaR3:SYYuLQSk7ca9fMu2QeoC3
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
urelas
C2
-
218.54.47.77
-
218.54.47.74
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
resource yara_rule behavioral2/memory/4512-0-0x0000000000FF0000-0x0000000001023000-memory.dmp UPX behavioral2/files/0x000a0000000231fa-6.dat UPX behavioral2/memory/3536-13-0x00000000007A0000-0x00000000007D3000-memory.dmp UPX behavioral2/memory/4512-17-0x0000000000FF0000-0x0000000001023000-memory.dmp UPX behavioral2/memory/3536-20-0x00000000007A0000-0x00000000007D3000-memory.dmp UPX behavioral2/memory/3536-21-0x00000000007A0000-0x00000000007D3000-memory.dmp UPX - 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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe - Executes dropped EXE 1 IoCs
pid Process 3536 huter.exe -
resource yara_rule behavioral2/memory/4512-0-0x0000000000FF0000-0x0000000001023000-memory.dmp upx behavioral2/files/0x000a0000000231fa-6.dat upx behavioral2/memory/3536-13-0x00000000007A0000-0x00000000007D3000-memory.dmp upx behavioral2/memory/4512-17-0x0000000000FF0000-0x0000000001023000-memory.dmp upx behavioral2/memory/3536-20-0x00000000007A0000-0x00000000007D3000-memory.dmp upx behavioral2/memory/3536-21-0x00000000007A0000-0x00000000007D3000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4512 wrote to memory of 3536 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 84 PID 4512 wrote to memory of 3536 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 84 PID 4512 wrote to memory of 3536 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 84 PID 4512 wrote to memory of 1444 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 85 PID 4512 wrote to memory of 1444 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 85 PID 4512 wrote to memory of 1444 4512 2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe"C:\Users\Admin\AppData\Local\Temp\2a128d28bffb20f634b875c91017c4f08da20f8c3ad655c733daeb8c0344d6e2.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4512 -
C:\Users\Admin\AppData\Local\Temp\huter.exe"C:\Users\Admin\AppData\Local\Temp\huter.exe"2⤵
- Executes dropped EXE
PID:3536
-
-
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "2⤵PID:1444
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
- Size 512B
- SHA256 5cfd1668ec0e5f3b5f8d04e54091d6f173bede6e6f9bb418819fd550095139fb
- MD5 55d2fdd1432483e3ba86ebeccfe130b6
- SHA1 7280b14d708800fd15303b2caa8628a0fbd7aa08
- SHA512 36fd81128552356672b52936699c5e6362268c8131857e778e02a6862600c4feb20d13063d5f838e0887cb5083c648d39fe07faffba18c26387760752f9dd1f3
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Temp\huter.exe
- Size 201KB
- SHA256 dcc20af8bb742cc43d726e9a076923a57737df6962a945a659e7ca5e612757c3
- MD5 24a6287e58f12142396575172c9d3e4b
- SHA1 2602907f9c6406b8963d363fb339ca15fbb548bd
- SHA512 599a6eed7c6bc8d8c11e2a02c07483491fd924c6ffb06226b44a7c841f692b802652ba41ac4223c84562c8a4d840d00637e376086dd694d21285b5a89bc805ab
- SSDEEP 3072:SYYutRQSc/7c6tJ8m9B5MuaRQLsfPAaR4:SYYuLQSk7ca9fMu2QeoC4
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
- Size 338B
- SHA256 4c96c491649e1cf8272ea21417ba4d5593d4141a5e878f9cb0364a217a6643e9
- MD5 368b17ead5bd53d5f30a5ffe2258eaa8
- SHA1 f8966e1195c6aa0354e1443029b6222657e0b248
- SHA512 fbd88ff7df9fd91c1c3d6d04c03b603b4c63453057f67bba275da879dfd3d2954540966075ccbf013532878dc53ed5f85fef2192be38aab77ad4a42693302827
- MD5 SHA1 SHA512