Analysis
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max time kernel
145s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
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submitted
06-12-2023 15:24
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 7 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
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⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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
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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\tmpE7FE.tmp"2⤵
- Creates scheduled task(s)
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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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 376 -s 20523⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 376 -ip 3761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD547a4a7462ffd2bbd537e7f1d78111d15
SHA1e291e431d8fac9f0e7299ff8937931389bee0ecc
SHA256c0f33693b84bc4e55047678b50b9367b603c4fc40c7b6424d43c1617f7173f13
SHA512334637cf4a15b0941d9d41d9886e95495613d9e0f3e15d04ebf229fe531bbbe6879d5e3251f6d0e45f204ea2dbc321e6a4a13cd42ca8bdf04a4e0df7f4880275
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
264KB
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Filesize
408KB
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Filesize
652KB
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Filesize
7.7MB
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Filesize
32KB
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Filesize
104KB
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Filesize
80KB
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Filesize
216KB
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Filesize
7.7MB
-
Filesize
56KB
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Filesize
6.2MB
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Filesize
64KB
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Filesize
68KB
-
Filesize
600KB
-
Filesize
40KB
-
Filesize
408KB
-
Filesize
104KB
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Filesize
6.5MB
-
Filesize
120KB
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Filesize
136KB
-
Filesize
304KB
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Filesize
3.3MB
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Filesize
120KB
-
Filesize
304KB
-
Filesize
64KB
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Filesize
64KB
-
Filesize
200KB
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Filesize
64KB
-
Filesize
5.6MB
-
Filesize
104KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
848KB
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Filesize
7.7MB
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Filesize
496KB
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Filesize
624KB
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Filesize
40KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
32KB