Analysis
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max time kernel
140s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
13/02/2024, 02:23
General
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Target
4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe
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Size
790KB
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MD5
4a8534b3579fc2e0b3903dec85a38f12
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SHA1
2506a0a6a2303e53e400de74c21474440e563e3b
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SHA256
4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7
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SHA512
08f3c76cb933735f78fe248675919d1e4a0be54030c3d810f737a2d9d8317b378656508d13e2a1b7319a212fa29a0309b85aa23f018fd419e2dceb518821a697
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SSDEEP
24576:fs3ZPyRt9g4hxWR1HJSKSta5V0CJxJUinq3:fsJ6RtugxWR1H4c5XJUinq
Malware Config
Extracted
Protocol: smtp- Host:
mail.elektronikkutu.com - Port:
587 - Username:
[email protected] - Password:
9U:e3@wpS3:U7h_V
Extracted
agenttesla
Protocol: smtp- Host:
mail.elektronikkutu.com - Port:
587 - Username:
[email protected] - Password:
9U:e3@wpS3:U7h_V - 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 19 IoCs
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Suspicious use of AdjustPrivilegeToken 3 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.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\PSTnEcHsBeaZp.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\PSTnEcHsBeaZp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB13A.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"C:\Users\Admin\AppData\Local\Temp\4f86439a425e3980a2c4c6a7133161f441d3c8338d226eff67b84b180d659ec7.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD52dd0df498d3f09b90fa56e8bbed313bd
SHA1d28a8eb98d39f2cea71ad606683cca7e4c40bd7a
SHA256df7f1f15a7b89c9212c2a604ea832bb0243771deb30cd735ec3b58c1668f1875
SHA5120a078c0ad3b45b1fd4c16a90c0de2a617c7106c1e9d8d50c4e3a9ec65d6c0382c505e3627d59e61c83e9a0eb9f487110af896d6184f0343109dab45c9f52161e
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Filesize
64KB
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Filesize
7.7MB
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Filesize
320KB
-
Filesize
408KB
-
Filesize
64KB
-
Filesize
7.7MB
-
Filesize
264KB
-
Filesize
652KB
-
Filesize
600KB
-
Filesize
7.7MB
-
Filesize
216KB
-
Filesize
7.7MB
-
Filesize
64KB
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Filesize
64KB
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Filesize
6.2MB
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Filesize
32KB
-
Filesize
104KB
-
Filesize
64KB
-
Filesize
80KB
-
Filesize
56KB
-
Filesize
68KB
-
Filesize
40KB
-
Filesize
136KB
-
Filesize
408KB
-
Filesize
104KB
-
Filesize
3.3MB
-
Filesize
120KB
-
Filesize
304KB
-
Filesize
64KB
-
Filesize
200KB
-
Filesize
304KB
-
Filesize
120KB
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Filesize
6.5MB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
5.6MB
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Filesize
64KB
-
Filesize
40KB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
40KB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
528KB
-
Filesize
64KB
-
Filesize
80KB
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Filesize
816KB