Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231023-en -
resource tags
arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system -
submitted
06/12/2023, 15:26
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe
Resource
win10v2004-20231127-en
General
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Target
SecuriteInfo.com.Trojan.MSIL.Crypt.15320.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-1-5-21-2085049433-1067986815-1244098655-1000\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 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2284 set thread context of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.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 2668 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 2892 RegSvcs.exe 2892 RegSvcs.exe 2724 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe Token: SeDebugPrivilege 2892 RegSvcs.exe Token: SeDebugPrivilege 2724 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2892 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
description pid Process procid_target PID 2284 wrote to memory of 2724 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 28 PID 2284 wrote to memory of 2724 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 28 PID 2284 wrote to memory of 2724 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 28 PID 2284 wrote to memory of 2724 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 28 PID 2284 wrote to memory of 2668 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 30 PID 2284 wrote to memory of 2668 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 30 PID 2284 wrote to memory of 2668 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 30 PID 2284 wrote to memory of 2668 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 30 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32 PID 2284 wrote to memory of 2892 2284 SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.MSIL.Crypt.15320.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2284 -
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:2724
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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\tmpD172.tmp"2⤵
- Creates scheduled task(s)
PID:2668
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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:2892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5f5c6a608243fd3afab2656ee98d6e482
SHA1aecab3f618bc39fbc73fb574f22dcc5da617d19b
SHA256401f778fdd861c61fb17aa8ddd4f95235b60f63abb9b18a86d577b76c8e9ca97
SHA51207c4f68a3e2bb867f9bb704ce0944ee176059d78c07f2127f91422b67a247cabc740757ea69d318da294e5a0bc7023a37e14f3696bcae39eecb0efdf6c6cd228