Analysis
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max time kernel
73s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
22-11-2022 18:29
Static task
static1
Behavioral task
behavioral1
Sample
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe
Resource
win10v2004-20220901-en
General
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Target
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe
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Size
447KB
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MD5
ddc2fdb455f2a23536aaacfab77af4b6
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SHA1
a2b804041521b22dc107a22f64a09afb9f609973
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SHA256
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
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SHA512
8efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5
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SSDEEP
12288:SEGuxoIOcHBkiCVt2Y8cz+PAZa8YuINE:uubduiS7z+YaZJ
Malware Config
Signatures
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NirSoft MailPassView 12 IoCs
Password recovery tool for various email clients
Processes:
resource yara_rule behavioral1/memory/936-61-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/936-60-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/936-62-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/936-63-0x000000000047EABE-mapping.dmp MailPassView behavioral1/memory/936-65-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/936-67-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1072-87-0x000000000047EABE-mapping.dmp MailPassView behavioral1/memory/1624-98-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1624-99-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1624-102-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1624-103-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1624-105-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 12 IoCs
Password recovery tool for various web browsers
Processes:
resource yara_rule behavioral1/memory/936-61-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/936-60-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/936-62-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/936-63-0x000000000047EABE-mapping.dmp WebBrowserPassView behavioral1/memory/936-65-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/936-67-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1072-87-0x000000000047EABE-mapping.dmp WebBrowserPassView behavioral1/memory/1696-106-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1696-107-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1696-110-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1696-112-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1696-114-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 17 IoCs
Processes:
resource yara_rule behavioral1/memory/936-61-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/936-60-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/936-62-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/936-63-0x000000000047EABE-mapping.dmp Nirsoft behavioral1/memory/936-65-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/936-67-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1072-87-0x000000000047EABE-mapping.dmp Nirsoft behavioral1/memory/1624-98-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1624-99-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1624-102-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1624-103-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1624-105-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1696-106-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1696-107-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1696-110-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1696-112-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1696-114-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
Executes dropped EXE 2 IoCs
Processes:
Windows Update.exeWindows Update.exepid process 880 Windows Update.exe 1072 Windows Update.exe -
Deletes itself 1 IoCs
Processes:
Windows Update.exepid process 1072 Windows Update.exe -
Loads dropped DLL 2 IoCs
Processes:
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exeWindows Update.exepid process 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 880 Windows Update.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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts vbc.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Windows Update.exedescription 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.
Processes:
flow ioc 4 whatismyipaddress.com 6 whatismyipaddress.com 7 whatismyipaddress.com -
Suspicious use of SetThreadContext 4 IoCs
Processes:
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exeWindows Update.exeWindows Update.exedescription pid process target process PID 1968 set thread context of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 880 set thread context of 1072 880 Windows Update.exe Windows Update.exe PID 1072 set thread context of 1624 1072 Windows Update.exe vbc.exe PID 1072 set thread context of 1696 1072 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 1 IoCs
Processes:
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exepid process 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exeWindows Update.exedescription pid process Token: SeDebugPrivilege 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Token: SeDebugPrivilege 1072 Windows Update.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Update.exepid process 1072 Windows Update.exe -
Suspicious use of WriteProcessMemory 58 IoCs
Processes:
89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exeWindows Update.exeWindows Update.exedescription pid process target process PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 980 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 1968 wrote to memory of 936 1968 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 936 wrote to memory of 880 936 89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 880 wrote to memory of 1072 880 Windows Update.exe Windows Update.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1624 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe PID 1072 wrote to memory of 1696 1072 Windows Update.exe vbc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1968 -
C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"2⤵PID:980
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C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"C:\Users\Admin\AppData\Local\Temp\89a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:936 -
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 WriteProcessMemory
PID:880 -
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:1072 -
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:1624 -
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:1696
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
102B
MD5ffcf2e2cd3bd02a157e8dae904373d24
SHA1764c52751970eb22749a00605cbd5c3e8cded2e4
SHA2564aeea137f4da8006dbcd4b58502a3e88bbd98a3f84e5c76b28cba1fd5497385a
SHA512af7e77fb72dbbfedd2ef6d2d5f03f01edf18289b60e46f2e262a6d6c7ccbd5520afd60ade2353f429fd36bac428642d468aeff3e36091976de3ebc1d8d8a641a
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
447KB
MD5ddc2fdb455f2a23536aaacfab77af4b6
SHA1a2b804041521b22dc107a22f64a09afb9f609973
SHA25689a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
SHA5128efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5
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Filesize
447KB
MD5ddc2fdb455f2a23536aaacfab77af4b6
SHA1a2b804041521b22dc107a22f64a09afb9f609973
SHA25689a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
SHA5128efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5
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Filesize
447KB
MD5ddc2fdb455f2a23536aaacfab77af4b6
SHA1a2b804041521b22dc107a22f64a09afb9f609973
SHA25689a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
SHA5128efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5
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Filesize
447KB
MD5ddc2fdb455f2a23536aaacfab77af4b6
SHA1a2b804041521b22dc107a22f64a09afb9f609973
SHA25689a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
SHA5128efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5
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Filesize
447KB
MD5ddc2fdb455f2a23536aaacfab77af4b6
SHA1a2b804041521b22dc107a22f64a09afb9f609973
SHA25689a2faf1b65c932e10abea98097d72963708947d67dbf33324ba88a55c5e04e6
SHA5128efbb24330973d7e270fd20a033c697a95b536fabd4e5aa2ce7224594916f923ff2a0647e9511dc391fa03a44f443b0eff575822b5afa43ffe3f73168dd655f5