Analysis
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max time kernel
74s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20220414-en -
resource tags
arch:x64arch:x86image:win7-20220414-enlocale:en-usos:windows7-x64system -
submitted
18-07-2022 14:19
Static task
static1
Behavioral task
behavioral1
Sample
519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe
Resource
win10v2004-20220718-en
General
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Target
519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe
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Size
646KB
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MD5
13b470ab4c1dde94867a567d88fdb673
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SHA1
ffd3e2e7dc16bbe5d3e5b64ecae040a924cbcdc2
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SHA256
519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb
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SHA512
74ddc6aa93a5890762e856d2bb1b74cdf2acf1609edb27b3b790ad3efdbae00104ce5640ebc6b7edae07fe3267b5b4320a4c6bcb1400dc116a07f24b8242b568
Malware Config
Signatures
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NirSoft MailPassView 11 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/584-66-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/584-68-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/584-69-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/584-70-0x0000000000480BCE-mapping.dmp MailPassView behavioral1/memory/584-72-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/584-74-0x0000000000400000-0x0000000000488000-memory.dmp MailPassView behavioral1/memory/1896-78-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1896-79-0x0000000000411654-mapping.dmp MailPassView behavioral1/memory/1896-82-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1896-83-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1896-84-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 10 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/584-66-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/584-68-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/584-69-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/584-70-0x0000000000480BCE-mapping.dmp WebBrowserPassView behavioral1/memory/584-72-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/584-74-0x0000000000400000-0x0000000000488000-memory.dmp WebBrowserPassView behavioral1/memory/1196-86-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1196-87-0x0000000000442628-mapping.dmp WebBrowserPassView behavioral1/memory/1196-90-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1196-92-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Nirsoft 15 IoCs
resource yara_rule behavioral1/memory/584-66-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/584-68-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/584-69-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/584-70-0x0000000000480BCE-mapping.dmp Nirsoft behavioral1/memory/584-72-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/584-74-0x0000000000400000-0x0000000000488000-memory.dmp Nirsoft behavioral1/memory/1896-78-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1896-79-0x0000000000411654-mapping.dmp Nirsoft behavioral1/memory/1896-82-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1896-83-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1896-84-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1196-86-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1196-87-0x0000000000442628-mapping.dmp Nirsoft behavioral1/memory/1196-90-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1196-92-0x0000000000400000-0x0000000000458000-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-1-5-21-2277218442-1199762539-2004043321-1000\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-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\WindowsUpdate.exe" RegAsm.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.
flow ioc 3 whatismyipaddress.com 5 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 996 set thread context of 584 996 installutil.exe 31 PID 584 set thread context of 1896 584 RegAsm.exe 33 PID 584 set thread context of 1196 584 RegAsm.exe 34 -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\debug\WIA\rGaqmF.exe installutil.exe File opened for modification C:\Windows\debug\WIA\rGaqmF.exe installutil.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 432 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 996 installutil.exe 584 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 996 installutil.exe Token: SeDebugPrivilege 584 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 584 RegAsm.exe -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 960 wrote to memory of 996 960 519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe 27 PID 996 wrote to memory of 432 996 installutil.exe 29 PID 996 wrote to memory of 432 996 installutil.exe 29 PID 996 wrote to memory of 432 996 installutil.exe 29 PID 996 wrote to memory of 432 996 installutil.exe 29 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 996 wrote to memory of 584 996 installutil.exe 31 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1896 584 RegAsm.exe 33 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34 PID 584 wrote to memory of 1196 584 RegAsm.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:960 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\installutil.exe" /logtoconsole=false /logfile= /u "C:\Users\Admin\AppData\Local\Temp\519391b8556e2eb1920af3d56f40c239319188265e0bdc7585fcaf6ab2bbaecb.exe"2⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:996 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rGaqmF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F3F.tmp"3⤵
- Creates scheduled task(s)
PID:432
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:584 -
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"4⤵
- Accesses Microsoft Outlook accounts
PID:1896
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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"4⤵PID:1196
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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
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Filesize
1KB
MD501e5a2b46c8cde634f2df81af8895f4e
SHA1ae470ad391273d02eaf02adab5e8ad055545fa7c
SHA25613ec7b542deb175a950f5fbe04ea60d30397033d485e80f07679de9344c7d363
SHA512ad2818e4e3683c30b9c5a1317d4dac2ea54979d8bc610aae1e58cd1f89f4a62fd31a1ed05cb40f402b5166707d15edfaed2ec5c114b51d11fb8b40e36dde3164