Analysis
- max time kernel
118s - max time network
125s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system - submitted
07/06/2024, 08:00
Behavioral task
behavioral1
Sample
2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe
Resource
win7-20240221-en
2 signatures
150 seconds
General
- Target 2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe
- Size 11.0MB
- Sample240607-jwexbsch7x
- SHA256 b0dc66637ad1043b6304d6147bff20b5743e803e1a0b8a3839ddd7199f0b7d07
- MD5 6efc7e936fa8c77ac03a918e74eef93d
- SHA1 d2ece63dbd800c8737a3293230bf4c9fef4330a0
- SHA512 1965f19d6d67610ac51cfb8bcd16bce7cadb2d66148eb49c54f1277cca26d698968bcf83edae1f5356c2be732da40d5daaaea0ccca87580fd6da661ed39fb665
- SSDEEP 196608:EBc7+jX+7+GI+r9onJ5hrZERlyiU8AdZYJERXEzsDO48RmU/qZlsPvarTwRN8Cph:qcOPA9c5hlERJAdZYy90RtNqZWarMVnx
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
Malware Config
Signatures
- Loads dropped DLL 1 IoCs
pid Process 1240 2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2188 wrote to memory of 1240 2188 2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe 28 PID 2188 wrote to memory of 1240 2188 2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe 28 PID 2188 wrote to memory of 1240 2188 2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Users\Admin\AppData\Local\Temp\2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-07_6efc7e936fa8c77ac03a918e74eef93d_ryuk.exe"2⤵
- Loads dropped DLL
PID:1240
-
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\_MEI21882\python39.dll
- Size 4.3MB
- SHA256 0eabf135bb9492e561bbbc5602a933623c9e461aceaf6eb1ceced635e363cd5c
- MD5 11c051f93c922d6b6b4829772f27a5be
- SHA1 42fbdf3403a4bc3d46d348ca37a9f835e073d440
- SHA512 1cdec23486cffcb91098a8b2c3f1262d6703946acf52aa2fe701964fb228d1411d9b6683bd54527860e10affc0e3d3de92a6ecf2c6c8465e9c8b9a7304e2a4a6
- SSDEEP 49152:1kYH+B/E8d7YHDCxJvUIIHd4hP8wuqNdOMFit/gxSwzaBuv4lz1ZRVgwWFJfzMpg:zo7Yq0a2YaCIIzcHxJ7HtMU5weHWeMt
- MD5 SHA1 SHA512 SSDEEP