Analysis
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max time kernel
135s -
max time network
92s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
24-07-2022 19:32
Static task
static1
Behavioral task
behavioral1
Sample
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe
Resource
win7-20220715-en
General
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Target
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe
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Size
946KB
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MD5
f7e8bc8ce5a1764b9abfa76d114b35a3
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SHA1
f955fa29e17ae49cde296c4385bfb131fdf141c1
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SHA256
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2
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SHA512
1e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e
Malware Config
Extracted
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
han.white101@yandex.com - Password:
qwerty67890
Signatures
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NirSoft MailPassView 6 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral2/memory/736-140-0x0000000006B50000-0x0000000006BE0000-memory.dmp MailPassView behavioral2/memory/2964-161-0x0000000006B30000-0x0000000006BC0000-memory.dmp MailPassView behavioral2/memory/4312-167-0x0000000000000000-mapping.dmp MailPassView behavioral2/memory/4312-168-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4312-170-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral2/memory/4312-171-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 6 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral2/memory/736-140-0x0000000006B50000-0x0000000006BE0000-memory.dmp WebBrowserPassView behavioral2/memory/2964-161-0x0000000006B30000-0x0000000006BC0000-memory.dmp WebBrowserPassView behavioral2/memory/3460-174-0x0000000000000000-mapping.dmp WebBrowserPassView behavioral2/memory/3460-175-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3460-177-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral2/memory/3460-179-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 10 IoCs
Processes:
resource yara_rule behavioral2/memory/736-140-0x0000000006B50000-0x0000000006BE0000-memory.dmp Nirsoft behavioral2/memory/2964-161-0x0000000006B30000-0x0000000006BC0000-memory.dmp Nirsoft behavioral2/memory/4312-167-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/4312-168-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4312-170-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/4312-171-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral2/memory/3460-174-0x0000000000000000-mapping.dmp Nirsoft behavioral2/memory/3460-175-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3460-177-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral2/memory/3460-179-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
Processes:
Windows Update.exeWindows Update.exepid process 2224 Windows Update.exe 2964 Windows Update.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Control Panel\International\Geo\Nation 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
Processes:
vbc.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 24 whatismyipaddress.com 26 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
Processes:
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exeWindows Update.exeWindows Update.exedescription pid process target process PID 3548 set thread context of 736 3548 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe PID 2224 set thread context of 2964 2224 Windows Update.exe Windows Update.exe PID 2964 set thread context of 4312 2964 Windows Update.exe vbc.exe PID 2964 set thread context of 3460 2964 Windows Update.exe vbc.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
vbc.exepid process 3460 vbc.exe 3460 vbc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
Windows Update.exedescription pid process Token: SeDebugPrivilege 2964 Windows Update.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exeWindows Update.exeWindows Update.exepid process 3548 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe 2224 Windows Update.exe 2964 Windows Update.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exeWindows Update.exeWindows Update.exedescription pid process target process PID 3548 wrote to memory of 736 3548 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe PID 3548 wrote to memory of 736 3548 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe PID 3548 wrote to memory of 736 3548 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe PID 736 wrote to memory of 2224 736 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe Windows Update.exe PID 736 wrote to memory of 2224 736 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe Windows Update.exe PID 736 wrote to memory of 2224 736 6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe Windows Update.exe PID 2224 wrote to memory of 2964 2224 Windows Update.exe Windows Update.exe PID 2224 wrote to memory of 2964 2224 Windows Update.exe Windows Update.exe PID 2224 wrote to memory of 2964 2224 Windows Update.exe Windows Update.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 4312 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe PID 2964 wrote to memory of 3460 2964 Windows Update.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe"C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exeC:\Users\Admin\AppData\Local\Temp\6f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2.exe"2⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Windows Update.exeC:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"5⤵
- Accesses Microsoft Outlook accounts
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exeC:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"5⤵
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\SysInfo.txtFilesize
102B
MD5d2cd305d2cea1da86802051a3ad1a351
SHA1edd8b8869b1ac9f8eb9d281a8c4bba231b487534
SHA25624920cf63be0b78920aebd7273caea8c1818c341b76d584991548bfe64afa4d4
SHA512e32109823016d76e3df363cf6baaa6b051f124c35daf9fd4045bb2bb1afa68b969076a85b1c90d565bcab99166f2c41a1d082ebec0f4f868c9dd06e2639aa83d
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C:\Users\Admin\AppData\Local\Temp\holderwb.txtFilesize
3KB
MD5f94dc819ca773f1e3cb27abbc9e7fa27
SHA19a7700efadc5ea09ab288544ef1e3cd876255086
SHA256a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92
SHA51272a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
946KB
MD5f7e8bc8ce5a1764b9abfa76d114b35a3
SHA1f955fa29e17ae49cde296c4385bfb131fdf141c1
SHA2566f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2
SHA5121e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
946KB
MD5f7e8bc8ce5a1764b9abfa76d114b35a3
SHA1f955fa29e17ae49cde296c4385bfb131fdf141c1
SHA2566f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2
SHA5121e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e
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C:\Users\Admin\AppData\Roaming\Windows Update.exeFilesize
946KB
MD5f7e8bc8ce5a1764b9abfa76d114b35a3
SHA1f955fa29e17ae49cde296c4385bfb131fdf141c1
SHA2566f2c978fe1e0f096fa82d0fc8ac4a14975ae2b3e0cb2b769474e0ea20ee6f0c2
SHA5121e25c3ebdf9b41da72f16254ee3756ecbe32cdffbc02cfba59f0a54f9dffbf23fdc5e07d9ed7dd229fa016d20172ebaffc5fee5d975b191ed574d8827c22b77e
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memory/736-145-0x0000000074C50000-0x0000000075201000-memory.dmpFilesize
5.7MB
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memory/736-133-0x0000000000000000-mapping.dmp
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memory/736-143-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/736-140-0x0000000006B50000-0x0000000006BE0000-memory.dmpFilesize
576KB
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memory/736-150-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/736-152-0x0000000074C50000-0x0000000075201000-memory.dmpFilesize
5.7MB
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memory/736-144-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/736-137-0x0000000000400000-0x0000000000477000-memory.dmpFilesize
476KB
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memory/2224-155-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/2224-146-0x0000000000000000-mapping.dmp
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memory/2964-165-0x0000000074C50000-0x0000000075201000-memory.dmpFilesize
5.7MB
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memory/2964-173-0x0000000074C50000-0x0000000075201000-memory.dmpFilesize
5.7MB
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memory/2964-164-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/2964-153-0x0000000000000000-mapping.dmp
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memory/2964-161-0x0000000006B30000-0x0000000006BC0000-memory.dmpFilesize
576KB
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memory/2964-172-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/3460-179-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3460-177-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3460-175-0x0000000000400000-0x0000000000458000-memory.dmpFilesize
352KB
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memory/3460-174-0x0000000000000000-mapping.dmp
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memory/3548-134-0x00000000775E0000-0x0000000077783000-memory.dmpFilesize
1.6MB
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memory/3548-132-0x00000000023D0000-0x00000000023D8000-memory.dmpFilesize
32KB
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memory/4312-171-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4312-170-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4312-168-0x0000000000400000-0x000000000041B000-memory.dmpFilesize
108KB
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memory/4312-167-0x0000000000000000-mapping.dmp