Analysis
- max time kernel
150s - max time network
149s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
27/09/2022, 10:16
Behavioral task
behavioral1
Sample
71a71b31d3efffb3deb678ed63a786ef.exe
Resource
win7-20220812-en
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
71a71b31d3efffb3deb678ed63a786ef.exe
Resource
win10v2004-20220812-en
11 signatures
150 seconds
General
- Target 71a71b31d3efffb3deb678ed63a786ef.exe
- Size 469KB
- Sample220927-mas4lsdca2
- SHA256 0773f517b40992fd3e6291eb906558588f1de9e3887bb2433f95bb4ea9f5904a
- MD5 71a71b31d3efffb3deb678ed63a786ef
- SHA1 3d86309007cc4aaec986250453a0bdae7774b31f
- SHA512 a2df44cdef2b8b8e0b0f42fd607326ad5e464749bb5b748bc5b533a3b69101a38ba08af8f5c22aa9b1ed4d4a6433425ff9baa0d17957ff34994bb3c97675d417
- SSDEEP 12288:Wmnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSVn9:uiLJbpI7I2WhQqZ7V9
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- NirSoft MailPassView 2 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/980-64-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView behavioral1/memory/980-65-0x0000000000400000-0x0000000000457000-memory.dmp MailPassView - NirSoft WebBrowserPassView 1 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1492-62-0x0000000000400000-0x0000000000478000-memory.dmp WebBrowserPassView - Nirsoft 4 IoCs
resource yara_rule behavioral1/memory/1820-61-0x0000000000400000-0x0000000000424000-memory.dmp Nirsoft behavioral1/memory/1492-62-0x0000000000400000-0x0000000000478000-memory.dmp Nirsoft behavioral1/memory/980-64-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft behavioral1/memory/980-65-0x0000000000400000-0x0000000000457000-memory.dmp Nirsoft - Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts 71a71b31d3efffb3deb678ed63a786ef.exe - Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2024 set thread context of 1492 2024 71a71b31d3efffb3deb678ed63a786ef.exe 28 PID 2024 set thread context of 980 2024 71a71b31d3efffb3deb678ed63a786ef.exe 29 PID 2024 set thread context of 1820 2024 71a71b31d3efffb3deb678ed63a786ef.exe 30 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1492 71a71b31d3efffb3deb678ed63a786ef.exe 1492 71a71b31d3efffb3deb678ed63a786ef.exe - Suspicious behavior: MapViewOfSection 3 IoCs
pid Process 2024 71a71b31d3efffb3deb678ed63a786ef.exe 2024 71a71b31d3efffb3deb678ed63a786ef.exe 2024 71a71b31d3efffb3deb678ed63a786ef.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1820 71a71b31d3efffb3deb678ed63a786ef.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2024 71a71b31d3efffb3deb678ed63a786ef.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2024 wrote to memory of 1492 2024 71a71b31d3efffb3deb678ed63a786ef.exe 28 PID 2024 wrote to memory of 1492 2024 71a71b31d3efffb3deb678ed63a786ef.exe 28 PID 2024 wrote to memory of 1492 2024 71a71b31d3efffb3deb678ed63a786ef.exe 28 PID 2024 wrote to memory of 1492 2024 71a71b31d3efffb3deb678ed63a786ef.exe 28 PID 2024 wrote to memory of 980 2024 71a71b31d3efffb3deb678ed63a786ef.exe 29 PID 2024 wrote to memory of 980 2024 71a71b31d3efffb3deb678ed63a786ef.exe 29 PID 2024 wrote to memory of 980 2024 71a71b31d3efffb3deb678ed63a786ef.exe 29 PID 2024 wrote to memory of 980 2024 71a71b31d3efffb3deb678ed63a786ef.exe 29 PID 2024 wrote to memory of 1820 2024 71a71b31d3efffb3deb678ed63a786ef.exe 30 PID 2024 wrote to memory of 1820 2024 71a71b31d3efffb3deb678ed63a786ef.exe 30 PID 2024 wrote to memory of 1820 2024 71a71b31d3efffb3deb678ed63a786ef.exe 30 PID 2024 wrote to memory of 1820 2024 71a71b31d3efffb3deb678ed63a786ef.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe"C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exeC:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\mohifehmksopqbrrxvdsemodrsjhj"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1492
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C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exeC:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\wjmafwzfyagcahfvggyupzjmahbiczfpw"2⤵
- Accesses Microsoft Outlook accounts
PID:980
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C:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exeC:\Users\Admin\AppData\Local\Temp\71a71b31d3efffb3deb678ed63a786ef.exe /stext "C:\Users\Admin\AppData\Local\Temp\glsly"2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1820
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\mohifehmksopqbrrxvdsemodrsjhj
- Size 2B
- SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
- MD5 f3b25701fe362ec84616a93a45ce9998
- SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
- SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
- MD5 SHA1 SHA512