Analysis
- max time kernel
146s - max time network
135s - platform
windows10_x64 - resource
win10v20210410 - submitted
11/05/2021, 06:41
General
- Target PO 2345566 hisob-faktura.exe
- Size 822KB
- Sample210511-1s1pg755js
- SHA256 495239420400a2e812fa7a1ad3d0050a746016c59e9a9b00247e42b6d67eab4d
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
Adriana.1
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 10 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 23 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.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\oIPdUOQSdAZY" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA4BD.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"C:\Users\Admin\AppData\Local\Temp\PO 2345566 hisob-faktura.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3808-136-0x0000000005BB0000-0x0000000005BB1000-memory.dmp
memory/3808-135-0x0000000005030000-0x0000000005031000-memory.dmp
memory/3808-134-0x0000000004EC0000-0x00000000053BE000-memory.dmp
memory/3808-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4048-119-0x0000000005280000-0x0000000005281000-memory.dmp
memory/4048-124-0x0000000008CC0000-0x0000000008D51000-memory.dmp
memory/4048-123-0x00000000011C0000-0x0000000001287000-memory.dmp
memory/4048-122-0x0000000005780000-0x0000000005784000-memory.dmp
memory/4048-121-0x0000000005350000-0x000000000584E000-memory.dmp
memory/4048-120-0x0000000005550000-0x0000000005551000-memory.dmp
memory/4048-114-0x0000000000860000-0x0000000000861000-memory.dmp
memory/4048-118-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/4048-117-0x0000000005850000-0x0000000005851000-memory.dmp
memory/4048-116-0x00000000052B0000-0x00000000052B1000-memory.dmp