Analysis
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max time kernel
91s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
13/02/2024, 04:57
General
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Target
ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe
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Size
732KB
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MD5
f03d0db80476652ed382c76708ef9eee
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SHA1
9af52befe94c41e3ffc0e2abca5f3df51ffbeb5d
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SHA256
ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90
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SHA512
fd179e6b9228bcf01143148a05f9c61083d068f6f1e5c0de29eb3360cfc1d1b0964e237b09f454e63c2e08c6ec6ca6bad8a3682a079ce242ec96c49dd090a17a
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SSDEEP
12288:j33ZyPIDwOw8ftv9+ZDO6DeMTLIHmz+WQ5VRQmOXgiVtp3g5Hdv2kiQPmoIbWYV:j33Z8MBiK6PIGCLVemOgQaHd2khPfIHV
Malware Config
Extracted
Protocol: smtp- Host:
mail.mcmkimya.com - Port:
587 - Username:
[email protected] - Password:
kG9xExPyfQBnPtnzYTpg
Extracted
agenttesla
Protocol: smtp- Host:
mail.mcmkimya.com - Port:
587 - Username:
[email protected] - Password:
kG9xExPyfQBnPtnzYTpg - 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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Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
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Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
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Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
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Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
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Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
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Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
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Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
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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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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Looks up external IP address via web service 1 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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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 18 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\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe"C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.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\mDszsm.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\mDszsm" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD3AB.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe"C:\Users\Admin\AppData\Local\Temp\ba9c0fc610a435fc11f48caf932a52f15e418d45e9ec21c83e08e624b28a8b90.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
MD547fca80ee1eaf90d2cfa1229fb0d960a
SHA1491d06484231d7454c3a49950d9c01bc919e15c8
SHA2560a315f58ee7099c3627386213271b3e4673c6b34a69adb73e1c744796e6a6524
SHA51241664a77441aa2a928441a63c7bdb0b2102d2d69e8564198aec792a6c44fe79baae4fc04d750e534465babcaf68780b6acf5221bed18d6d2b59771c7e1e61608
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Filesize
56KB
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Filesize
40KB
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Filesize
64KB
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Filesize
40KB
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Filesize
624KB
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Filesize
80KB
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Filesize
584KB
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Filesize
5.6MB
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Filesize
536KB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
752KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
272KB
-
Filesize
64KB
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Filesize
7.7MB
-
Filesize
320KB
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Filesize
64KB
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Filesize
120KB
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Filesize
200KB
-
Filesize
7.7MB
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Filesize
3.3MB
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Filesize
64KB
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Filesize
216KB
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Filesize
120KB
-
Filesize
304KB
-
Filesize
64KB
-
Filesize
652KB
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Filesize
64KB
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Filesize
64KB
-
Filesize
304KB
-
Filesize
408KB
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Filesize
104KB
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Filesize
6.5MB
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Filesize
40KB
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Filesize
600KB
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Filesize
68KB
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Filesize
80KB
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Filesize
32KB
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Filesize
104KB
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Filesize
56KB
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Filesize
7.7MB
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Filesize
6.2MB
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Filesize
408KB
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Filesize
136KB