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Analysis
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max time kernel
84s -
max time network
155s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
19/10/2022, 23:42
Static task
static1
Behavioral task
behavioral1
Sample
03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe
Resource
win7-20220812-en
General
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Target
03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe
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Size
614KB
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MD5
825d49763724e4d8191e9854b8a71b80
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SHA1
02265a9bf4cf3db0903842c412abfe005f708ac1
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SHA256
03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971
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SHA512
a88bdea70dc6a3fc46f926bde234f87c05440a87dcd5dd50903b0e00a9ea01467abcedb3f67c1fc6ff235fcf9afa5c68d0886094b601934d818c87c65b20e9b4
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SSDEEP
12288:2jAl0haR3w63OX9N7oxGsQEz9BZLdS3unZ8eKZY:2j3haVOX9NoXPbZLAiHKZY
Malware Config
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1088-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1088-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1088-63-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1088-64-0x000000000047EA2E-mapping.dmp MailPassView behavioral1/memory/1088-66-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1088-68-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1188-73-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1188-74-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1188-77-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1188-79-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1188-81-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1088-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1088-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1088-63-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1088-64-0x000000000047EA2E-mapping.dmp WebBrowserPassView behavioral1/memory/1088-66-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1088-68-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1180-82-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1180-83-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1180-86-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1180-87-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
resource yara_rule behavioral1/memory/1088-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1088-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1088-63-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1088-64-0x000000000047EA2E-mapping.dmp Nirsoft behavioral1/memory/1088-66-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1088-68-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1188-73-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1188-74-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1188-77-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1188-79-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1188-81-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1180-82-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1180-83-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1180-86-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1180-87-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Uses the VBS compiler for execution 1 TTPs
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Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 whatismyipaddress.com 4 whatismyipaddress.com 6 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 340 set thread context of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 1088 set thread context of 1188 1088 RegAsm.exe 29 PID 1088 set thread context of 1180 1088 RegAsm.exe 30 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe -
Suspicious use of WriteProcessMemory 32 IoCs
description pid Process procid_target PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 340 wrote to memory of 1088 340 03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe 27 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1188 1088 RegAsm.exe 29 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30 PID 1088 wrote to memory of 1180 1088 RegAsm.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe"C:\Users\Admin\AppData\Local\Temp\03af045b2d1c49dafa9f7c21a7d30a8f1580e770edfbdd19bbc1a5e45de6c971.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:340 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1088 -
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"3⤵
- Accesses Microsoft Outlook accounts
PID:1188
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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"3⤵PID:1180
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84