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Analysis
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max time kernel
101s -
max time network
82s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
27/11/2022, 15:34
Static task
static1
Behavioral task
behavioral1
Sample
89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe
Resource
win7-20220812-en
General
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Target
89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe
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Size
588KB
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MD5
55062296cd82f3b8b5805a06dcb32cf6
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SHA1
7c1614ca008dd7f04e6f93ef0daf1379f424af98
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SHA256
89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
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SHA512
77829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a
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SSDEEP
12288:WpR3kwv7SDitmQJLzpiCdcoW50pvYH9HKQ2TTqwmUyL8DSXzNOY4sxN514:JDktiGWmRYhKbTTLUjfr4
Malware Config
Signatures
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NirSoft MailPassView 15 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/1240-60-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1240-61-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1240-63-0x000000000047EA7E-mapping.dmp MailPassView behavioral1/memory/1240-64-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1240-66-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1240-70-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1240-73-0x0000000000080000-0x0000000000104000-memory.dmp MailPassView behavioral1/memory/1804-91-0x000000000047EA7E-mapping.dmp MailPassView behavioral1/memory/1804-95-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1804-97-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1984-102-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1984-103-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1984-106-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1984-107-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1984-114-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 15 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/1240-60-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1240-61-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1240-63-0x000000000047EA7E-mapping.dmp WebBrowserPassView behavioral1/memory/1240-64-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1240-66-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1240-70-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1240-73-0x0000000000080000-0x0000000000104000-memory.dmp WebBrowserPassView behavioral1/memory/1804-91-0x000000000047EA7E-mapping.dmp WebBrowserPassView behavioral1/memory/1804-95-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1804-97-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/344-108-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/344-109-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/344-112-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/344-113-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/344-116-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 20 IoCs
resource yara_rule behavioral1/memory/1240-60-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1240-61-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1240-63-0x000000000047EA7E-mapping.dmp Nirsoft behavioral1/memory/1240-64-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1240-66-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1240-70-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1240-73-0x0000000000080000-0x0000000000104000-memory.dmp Nirsoft behavioral1/memory/1804-91-0x000000000047EA7E-mapping.dmp Nirsoft behavioral1/memory/1804-95-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1804-97-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1984-102-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1984-103-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1984-106-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1984-107-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/344-108-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/344-109-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/344-112-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/344-113-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1984-114-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/344-116-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
pid Process 1936 Windows Update.exe 1804 Windows Update.exe -
Deletes itself 1 IoCs
pid Process 1804 Windows Update.exe -
Loads dropped DLL 2 IoCs
pid Process 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 1936 Windows Update.exe -
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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" Windows Update.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 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
description pid Process procid_target PID 1604 set thread context of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1936 set thread context of 1804 1936 Windows Update.exe 29 PID 1804 set thread context of 1984 1804 Windows Update.exe 31 PID 1804 set thread context of 344 1804 Windows Update.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe Token: SeDebugPrivilege 1936 Windows Update.exe Token: SeDebugPrivilege 1804 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1804 Windows Update.exe -
Suspicious use of WriteProcessMemory 48 IoCs
description pid Process procid_target PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1604 wrote to memory of 1240 1604 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 27 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1240 wrote to memory of 1936 1240 89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe 28 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1936 wrote to memory of 1804 1936 Windows Update.exe 29 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 1984 1804 Windows Update.exe 31 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32 PID 1804 wrote to memory of 344 1804 Windows Update.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1604 -
C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"C:\Users\Admin\AppData\Local\Temp\89a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1240 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Users\Admin\AppData\Roaming\Windows Update.exe"C:\Users\Admin\AppData\Roaming\Windows Update.exe"4⤵
- Executes dropped EXE
- Deletes itself
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1804 -
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
PID:1984
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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⤵PID:344
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
102B
MD5fb3c82979b10d5771280bb983c0db54d
SHA123514bcb3c447cdff1a11c6cee41b1160a4ae44b
SHA2564ec703d2894fc33b2d045ab356c300fa97241051afd63a684b3d3b4692f2db40
SHA512af36f95b3e70c1a0be80001f599cafcbd4a1a16711e0e57f7466e3f6ef28302d3a51c95846c4126a25f5329063186311f4530a6c45cb1a99468037aa05b679b7
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
588KB
MD555062296cd82f3b8b5805a06dcb32cf6
SHA17c1614ca008dd7f04e6f93ef0daf1379f424af98
SHA25689a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
SHA51277829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a
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Filesize
588KB
MD555062296cd82f3b8b5805a06dcb32cf6
SHA17c1614ca008dd7f04e6f93ef0daf1379f424af98
SHA25689a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
SHA51277829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a
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Filesize
588KB
MD555062296cd82f3b8b5805a06dcb32cf6
SHA17c1614ca008dd7f04e6f93ef0daf1379f424af98
SHA25689a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
SHA51277829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a
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Filesize
588KB
MD555062296cd82f3b8b5805a06dcb32cf6
SHA17c1614ca008dd7f04e6f93ef0daf1379f424af98
SHA25689a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
SHA51277829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a
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Filesize
588KB
MD555062296cd82f3b8b5805a06dcb32cf6
SHA17c1614ca008dd7f04e6f93ef0daf1379f424af98
SHA25689a1bd1357e819ccd551b4ccd0b68e0ddb305148b57a2f2de9bd4d7529638268
SHA51277829cc9ebe22e91cbba845d57e6c66e0f1cfad2840593a14f09bb4e649fefa7faad07053e264a2e74645d5a929449072e7dc01de9daaaa3b91c19455577b26a