Analysis
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max time kernel
125s -
max time network
52s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system -
submitted
12-12-2023 01:55
Static task
static1
Behavioral task
behavioral1
Sample
CoLYHfsA7mnOFfW.exe
Resource
win7-20231201-en
Behavioral task
behavioral2
Sample
CoLYHfsA7mnOFfW.exe
Resource
win10v2004-20231130-en
General
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Target
CoLYHfsA7mnOFfW.exe
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Size
648KB
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MD5
8afd8346a60583275b120bcbffb85af2
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SHA1
872e8a84eda1e1402dc1bfaefd4abdff3475b43f
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SHA256
ef030162bcf9de1409f69b87233b1ba9d256349773ba623ae4816cc39827c4cf
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SHA512
eae8fe52465aed2fa69a40c81f6e7682a098a311d9858fb44fccfb639f8cfa339427b1b6ff322265501e694916cd090c9837c90ca11115dd16cd35bee9b1df96
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SSDEEP
12288:pV3IU8S6eUdCSW+3LpeMgu0C6Nylpace9BbUyo0iWpe/mA:p9ItSAdCSW+3IMguZwcIRyWsuA
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.gianindo.co.id - Port:
587 - Username:
[email protected] - Password:
Ge@753951 - 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 ZGRat V1 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4616-6-0x0000000005700000-0x0000000005718000-memory.dmp family_zgrat_v1 -
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
Processes:
CoLYHfsA7mnOFfW.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-423100829-2271632622-1028104103-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cVbWC = "C:\\Users\\Admin\\AppData\\Roaming\\cVbWC\\cVbWC.exe" CoLYHfsA7mnOFfW.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
CoLYHfsA7mnOFfW.exedescription pid process target process PID 4616 set thread context of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
CoLYHfsA7mnOFfW.exepid process 2840 CoLYHfsA7mnOFfW.exe 2840 CoLYHfsA7mnOFfW.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
CoLYHfsA7mnOFfW.exedescription pid process Token: SeDebugPrivilege 2840 CoLYHfsA7mnOFfW.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
CoLYHfsA7mnOFfW.exepid process 2840 CoLYHfsA7mnOFfW.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
CoLYHfsA7mnOFfW.exedescription pid process target process PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe PID 4616 wrote to memory of 2840 4616 CoLYHfsA7mnOFfW.exe CoLYHfsA7mnOFfW.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4616 -
C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"C:\Users\Admin\AppData\Local\Temp\CoLYHfsA7mnOFfW.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2840
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD58ec831f3e3a3f77e4a7b9cd32b48384c
SHA1d83f09fd87c5bd86e045873c231c14836e76a05c
SHA2567667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
SHA51226bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3