Analysis
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max time kernel
146s -
max time network
53s -
platform
windows7_x64 -
resource
win7 -
submitted
17-07-2020 13:42
Static task
static1
Behavioral task
behavioral1
Sample
PO 2310657748.exe
Resource
win7
Behavioral task
behavioral2
Sample
PO 2310657748.exe
Resource
win10v200430
General
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Target
PO 2310657748.exe
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Size
860KB
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MD5
1b485d7ef2da49323f1fb9909016b74e
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SHA1
bb9df7c8e6b154188cd2740d6eb39874d31b3ba9
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SHA256
019b5e23b3187270a339a6ddb46ff2d3935f007ecbb1b82144c9b9f3ea24a44f
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SHA512
5634e05251e0631e9f22b56e8935aa6f54445691a446f8781c24a4d0b16bdbfdbf5f86c66d78f93ab2c5acef0ecd9183f6fdf7c96b7c1877098fd916fb0c70f4
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.mexicanproduct.com.mx - Port:
587 - Username:
[email protected] - Password:
Produccion2020.
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/544-4-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/544-5-0x000000000044983E-mapping.dmp family_agenttesla behavioral1/memory/544-6-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/544-7-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla -
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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Suspicious use of SetThreadContext 1 IoCs
Processes:
PO 2310657748.exedescription pid process target process PID 1144 set thread context of 544 1144 PO 2310657748.exe PO 2310657748.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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 3 IoCs
Processes:
PO 2310657748.exePO 2310657748.exepid process 1144 PO 2310657748.exe 544 PO 2310657748.exe 544 PO 2310657748.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
PO 2310657748.exePO 2310657748.exedescription pid process Token: SeDebugPrivilege 1144 PO 2310657748.exe Token: SeDebugPrivilege 544 PO 2310657748.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
PO 2310657748.exepid process 544 PO 2310657748.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
PO 2310657748.exedescription pid process target process PID 1144 wrote to memory of 1432 1144 PO 2310657748.exe schtasks.exe PID 1144 wrote to memory of 1432 1144 PO 2310657748.exe schtasks.exe PID 1144 wrote to memory of 1432 1144 PO 2310657748.exe schtasks.exe PID 1144 wrote to memory of 1432 1144 PO 2310657748.exe schtasks.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe PID 1144 wrote to memory of 544 1144 PO 2310657748.exe PO 2310657748.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 2310657748.exe"C:\Users\Admin\AppData\Local\Temp\PO 2310657748.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YdGFpN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCF4F.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO 2310657748.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpCF4F.tmpMD5
81917a1bf929c65549cc1b1dad61ee24
SHA155959b9eb6232e586c18c1e6179cf8dbc0ac2efa
SHA25676c597f4236253c75b24a775b174f290474117ae658fc109b915320846f4c275
SHA5127defe1a1f70910cc5af22a74ac6f561dd91d7a10c4b363f01d4fea5a9cf0f8c74f30fac59fe4baacfcb4e27c5f9d4ecbd894b50e0a80313fe6aa61331238d7c8
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memory/544-4-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/544-5-0x000000000044983E-mapping.dmp
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memory/544-6-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/544-7-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1144-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1432-2-0x0000000000000000-mapping.dmp