Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231130-en -
resource tags
arch:x64arch:x86image:win7-20231130-enlocale:en-usos:windows7-x64system -
submitted
06-12-2023 15:24
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe
Resource
win10v2004-20231127-en
General
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Target
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe
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Size
820KB
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MD5
bc3766383208566e84c687962a5f1e46
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SHA1
5ecdcd2adbeafff9009d219ff39218d87f4bf59b
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SHA256
0f5adc0a7be5efcd4fc8192286bb373fea270170782cc83c71b616dde41e0157
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SHA512
237b60664f36e2f75e9f5c83cb1918e96f076e0646cec1acbb71e5ccb61c683092c6c5caa45abc75e1aa694f9f6b57368fa905ff1d480c2b2cd44444693f77c1
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SSDEEP
24576:/scFcWv/uG2qeWYZYmGe8eC5DrJwTEqHytjkQX7tM:7Fcc/uG2RYLQGWTaJXRM
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.amtechcards.com - Port:
587 - Username:
[email protected] - Password:
]i[a(tUWlmp% - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2185821622-4133679102-1697169727-1000\Software\Microsoft\Windows\CurrentVersion\Run\AmGHOWg = "C:\\Users\\Admin\\AppData\\Roaming\\AmGHOWg\\AmGHOWg.exe" RegSvcs.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 2 api.ipify.org 3 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2208 set thread context of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2140 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 3028 powershell.exe 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 2660 RegSvcs.exe 2660 RegSvcs.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe Token: SeDebugPrivilege 3028 powershell.exe Token: SeDebugPrivilege 2660 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2660 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2208 wrote to memory of 3028 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 28 PID 2208 wrote to memory of 3028 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 28 PID 2208 wrote to memory of 3028 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 28 PID 2208 wrote to memory of 3028 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 28 PID 2208 wrote to memory of 2140 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 30 PID 2208 wrote to memory of 2140 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 30 PID 2208 wrote to memory of 2140 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 30 PID 2208 wrote to memory of 2140 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 30 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32 PID 2208 wrote to memory of 2660 2208 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.542.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BEGbTvAdfkaXC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3028
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BEGbTvAdfkaXC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4CAA.tmp"2⤵
- Creates scheduled task(s)
PID:2140
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2660
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD55daa580a60d6ccc17afb27b25edbcd72
SHA1b6aea27755b1d8a23bc019fb7434750bdc3271a1
SHA256ffadefdbbf306466bbb29509b7f03c113ed3ba2936f9561f640b1601ae3c2836
SHA5122dc5cc3e76d0b40f8a8afae89fe520380a33b5a1a99d51ff97185c81bdb8400caf3f232f1128d01df30b9a7ddfd2c8785f8d0802d412991749b9ac9eb6fe9189