Analysis
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max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240729-en -
resource tags
arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system -
submitted
04-10-2024 10:27
Static task
static1
Behavioral task
behavioral1
Sample
ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe
Resource
win10v2004-20240802-en
General
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Target
ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe
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Size
1.1MB
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MD5
38a3cb547a0a19a61534792f572f08b0
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SHA1
c64ac61ff03d7947979029345b87b88894585dfe
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SHA256
ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46
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SHA512
dc5fcd3f8ba6c7701e3c25a2ee4dc4406681352c537cbb7236724a4862265f18df47d2710511f24120b34f9bcb511b7409fe33aac796b079ef67cd8c5e688b29
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SSDEEP
24576:HhntGx9yVf41ob4s6ABttGZOATIZXTnR13//P:ptGZ1oEEbG8xXjP
Malware Config
Signatures
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Detected Nirsoft tools 11 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral1/memory/2380-42-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2380-44-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2380-43-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2380-49-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/2380-48-0x0000000000400000-0x0000000000484000-memory.dmp Nirsoft behavioral1/memory/1628-95-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1628-96-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1628-98-0x0000000000400000-0x000000000041B000-memory.dmp Nirsoft behavioral1/memory/1768-100-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-99-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft behavioral1/memory/1768-106-0x0000000000400000-0x0000000000458000-memory.dmp Nirsoft -
NirSoft MailPassView 8 IoCs
Password recovery tool for various email clients
resource yara_rule behavioral1/memory/2380-42-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2380-44-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2380-43-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2380-49-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/2380-48-0x0000000000400000-0x0000000000484000-memory.dmp MailPassView behavioral1/memory/1628-95-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1628-96-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView behavioral1/memory/1628-98-0x0000000000400000-0x000000000041B000-memory.dmp MailPassView -
NirSoft WebBrowserPassView 8 IoCs
Password recovery tool for various web browsers
resource yara_rule behavioral1/memory/2380-42-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2380-44-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2380-43-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2380-49-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/2380-48-0x0000000000400000-0x0000000000484000-memory.dmp WebBrowserPassView behavioral1/memory/1768-100-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-99-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView behavioral1/memory/1768-106-0x0000000000400000-0x0000000000458000-memory.dmp WebBrowserPassView -
Executes dropped EXE 2 IoCs
pid Process 2896 magert.exe 2380 magert.exe -
Loads dropped DLL 1 IoCs
pid Process 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.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-1-5-21-2703099537-420551529-3771253338-1000\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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\Music\\magert.exe" ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.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 15 whatismyipaddress.com 12 whatismyipaddress.com 14 whatismyipaddress.com -
Suspicious use of SetThreadContext 3 IoCs
description pid Process procid_target PID 2896 set thread context of 2380 2896 magert.exe 32 PID 2380 set thread context of 1628 2380 magert.exe 34 PID 2380 set thread context of 1768 2380 magert.exe 35 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language magert.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language vbc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe -
Suspicious behavior: EnumeratesProcesses 13 IoCs
pid Process 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 2896 magert.exe 2896 magert.exe 2896 magert.exe 2896 magert.exe 2896 magert.exe 2896 magert.exe 1768 vbc.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe Token: SeDebugPrivilege 2896 magert.exe Token: SeDebugPrivilege 2380 magert.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2380 magert.exe -
Suspicious use of WriteProcessMemory 33 IoCs
description pid Process procid_target PID 2136 wrote to memory of 2896 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 31 PID 2136 wrote to memory of 2896 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 31 PID 2136 wrote to memory of 2896 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 31 PID 2136 wrote to memory of 2896 2136 ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe 31 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2896 wrote to memory of 2380 2896 magert.exe 32 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1628 2380 magert.exe 34 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35 PID 2380 wrote to memory of 1768 2380 magert.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe"C:\Users\Admin\AppData\Local\Temp\ac593f34df2916b3bcea81b7cfd70f28b4633b956717c2942294529ee3010c46N.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Users\Admin\Music\magert.exe"C:\Users\Admin\Music\magert.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2380 -
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
- System Location Discovery: System Language Discovery
PID:1628
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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⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:1768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD5702a84ab950fd369f1a27203d562797a
SHA1b51aa3a1d6a9abddca28a8939c6f1b34b52b3404
SHA2564fe109060bcfcf6343fcdf6c353a2b3e0968838dc4c83f2831d8c5120e70b065
SHA512e239150a9bdb821f5717d0fe92195ac6ca10a2c4f50d44ebbc67d4e2bda3528109183821e0cb934546553c7a7a6c7fac58f925c1687e00d592988bbb15c19e9e
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
2B
MD5f3b25701fe362ec84616a93a45ce9998
SHA1d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA51298c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84
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Filesize
1.1MB
MD562a25c56c6d28edcf7fabf26461808ac
SHA1b0da1ecf5a8d230bb178ea93b0de670576ffad30
SHA2569494b312dd2f05b8df55d8a08c0613e5d4fe8a4073a87af8cddb9f5f777592e7
SHA512d3b1605c33fa61b11ee736bb48b748bd0d6b1154d69f4e974bddeea29fa0ce5750eb720be060d8f0c5dc4ee29744e0b7ea39305190152d98074dce72c52c5d70