Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
05-03-2024 01:43
Static task
static1
Behavioral task
behavioral1
Sample
b37485bf19f9e5c3e33d6a02c8cd80c6.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
b37485bf19f9e5c3e33d6a02c8cd80c6.exe
Resource
win10v2004-20240226-en
General
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Target
b37485bf19f9e5c3e33d6a02c8cd80c6.exe
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Size
604KB
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MD5
b37485bf19f9e5c3e33d6a02c8cd80c6
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SHA1
540bf3d4fb51db2368bebe216a7841d1ae8ba584
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SHA256
0540ea185c7bbc7adb63ed03f5b3578b0fdb04b2e9fc7d584f3f7ae415fc886a
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SHA512
e6cb2fa104dc85033c181610099640c9bc8397a6842329efa7a985f81aaa8f7d62978e187edb43ce3bf00c9c5e7971a3c7a2475f4e4bbc3ab2f838bc71798b6e
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SSDEEP
6144:WKWlw1DxXdp9fCEc2PI4Saq9JNl6zBY4o83fqysVufBn597NX2zE:W7lw1DxNp9fXHPIz3vtysgfBnnl2zE
Malware Config
Signatures
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RevengeRAT
Remote-access trojan with a wide range of capabilities.
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RevengeRat Executable 1 IoCs
Processes:
resource yara_rule \Users\Admin\AppData\Local\Temp\OCS\ocs_v71.exe revengerat -
Executes dropped EXE 1 IoCs
Processes:
ocs_v71.exepid process 2308 ocs_v71.exe -
Loads dropped DLL 2 IoCs
Processes:
b37485bf19f9e5c3e33d6a02c8cd80c6.exepid process 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
b37485bf19f9e5c3e33d6a02c8cd80c6.exeocs_v71.exepid process 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe 2308 ocs_v71.exe 2308 ocs_v71.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b37485bf19f9e5c3e33d6a02c8cd80c6.exedescription pid process target process PID 2276 wrote to memory of 2308 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe ocs_v71.exe PID 2276 wrote to memory of 2308 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe ocs_v71.exe PID 2276 wrote to memory of 2308 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe ocs_v71.exe PID 2276 wrote to memory of 2308 2276 b37485bf19f9e5c3e33d6a02c8cd80c6.exe ocs_v71.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b37485bf19f9e5c3e33d6a02c8cd80c6.exe"C:\Users\Admin\AppData\Local\Temp\b37485bf19f9e5c3e33d6a02c8cd80c6.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71.exeC:\Users\Admin\AppData\Local\Temp\OCS\ocs_v71.exe -install -54401170 -chipde -7ea49ac586bf4240ac2459c190356a5f - -ChromeBundle -ipqodezgzdyffrxv -3935042⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\OCS\ipqodezgzdyffrxv.datFilesize
83B
MD5fa628e4a19586d96c487b7de93837561
SHA1e826cf9340b79b64aad3a63d56d0908142144bf5
SHA25614c0ea261dc6e5b7fa0afca74f4b44574dcc308184c350a347f2e3dabb109844
SHA5120b44050f41383b2d0ae93629af83ff532efed4928ae60a0cca2c80f141572c4e46f66baf68f8ef4d5fb83af2626974f13d895d16456da251c7366ebfc3804367
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\Users\Admin\AppData\Local\Temp\OCS\ocs_v71.exeFilesize
292KB
MD5ad68076fb58a634cba05c9396b0f20af
SHA1dabc08bdf0203f5946101a0eea51d494e87f67b9
SHA256dc712ebab17c0bf8d73a1c5b5b3b053fd1e665a2d6ad21eb5a9b34da6e844a5a
SHA512be7f294cd4835353ab121a2de655f4a99718096f078713bd1bc8c2d2a847937bafe6853b13bb7c41178f1b33aeacf3af3d13b80f1494cca4489472458a1b63ba
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memory/2308-12-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmpFilesize
9.6MB
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memory/2308-14-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-15-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmpFilesize
9.6MB
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memory/2308-16-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-17-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-18-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-19-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-20-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-21-0x00000000020B0000-0x0000000002130000-memory.dmpFilesize
512KB
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memory/2308-22-0x000007FEF52A0000-0x000007FEF5C3D000-memory.dmpFilesize
9.6MB