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Resubmissions
06/11/2023, 19:37
231106-ybwfxadf81 1006/11/2023, 19:33
231106-x9tjjadf4z 1006/11/2023, 16:18
231106-tr58tscc9y 10Analysis
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max time kernel
145s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
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submitted
06/11/2023, 19:33
General
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Target
1106-03-AgentTesla.exe
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Size
700KB
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MD5
5b61637836afea5019078c8841f39712
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SHA1
061befc3ad783a590cb6e408062f8b2291c7b12f
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SHA256
8f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
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SHA512
c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5
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SSDEEP
12288:vwgJjWP9lZtDKIcXY4mnTwwlJk15TsVuhk37F1VoKc8XUbsS:PkDDKIcSEwEQVu237VoKc8X+
Malware Config
Extracted
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345cash@com12345
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
cash@com12345cash@com12345 - 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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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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Adds Run key to start application 2 TTPs 1 IoCs
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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 4 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\PkhbHYvHHp.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\PkhbHYvHHp" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF721.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"C:\Users\Admin\AppData\Local\Temp\1106-03-AgentTesla.exe"2⤵
- Adds Run key to start application
- 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
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5d603b87c33a5f3b129f4273ec3da3479
SHA1c10038de819398afa695860a322aa3ed6d21d5df
SHA2568117e8423848fe0c9c29e28b524ac9b2e6ae5374831384a6cedb69b71617c4aa
SHA51277778217a3b1885570ce1df042d6e61f4e390918ce64e649d6dfc7e3365991d15bd631e0ba864f03478354dd54627b05ba4f4f81c6ca7b165ae163d3cf941d2d
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Filesize
700KB
MD55b61637836afea5019078c8841f39712
SHA1061befc3ad783a590cb6e408062f8b2291c7b12f
SHA2568f3ed9c86757d9adaf489ce86c6ac422240af48f5c109807b31b3646b67d9757
SHA512c025a05bde0a92a785f470f74f33a8e30ba93edbcf026b05cbabbe1c7f884508829a418d8b1f5762b2769abb80a799e82add5eefb8ed75be66110185b7e139f5
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Filesize
408KB
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Filesize
64KB
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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
64KB
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Filesize
56KB
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Filesize
216KB
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Filesize
7.7MB
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Filesize
7.7MB
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Filesize
64KB
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Filesize
3.3MB
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Filesize
68KB
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Filesize
6.2MB
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Filesize
600KB
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Filesize
40KB
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Filesize
104KB
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Filesize
136KB
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Filesize
6.5MB
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Filesize
120KB
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Filesize
120KB
-
Filesize
200KB
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Filesize
408KB
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Filesize
652KB
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Filesize
304KB
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Filesize
304KB
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Filesize
64KB
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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
64KB
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Filesize
320KB
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Filesize
264KB
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Filesize
7.7MB
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Filesize
584KB
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Filesize
7.7MB
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Filesize
624KB
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Filesize
64KB
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Filesize
728KB
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Filesize
488KB
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Filesize
40KB
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Filesize
64KB
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Filesize
7.7MB
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Filesize
56KB
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Filesize
5.6MB
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Filesize
40KB