Resubmissions
20/12/2021, 18:58
211220-xmfn6acdgl1020/12/2021, 17:39
211220-v8ctaabdc21020/12/2021, 11:47
211220-nx9wbaadf6520/12/2021, 11:10
211220-m92j2aada81015/08/2020, 06:09
200815-rbfm23ztw210Analysis
- max time kernel
77s - max time network
68s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
20/12/2021, 17:39
General
- Target RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe
- Size 603KB
- Sample211220-v8ctaabdc2
- SHA256 3ac8a6bb8e3551f1889bcdbe567d78c4d1afd90f91904d5bbaffc6879abbb37a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.specialmetal.ir
-
Port
587
-
Username
-
Password
02188985257
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FhDgCxwjwYe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8662.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe"C:\Users\Admin\AppData\Local\Temp\RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2056-124-0x0000000007AD0000-0x0000000007B3C000-memory.dmp
memory/2056-119-0x0000000005640000-0x0000000005641000-memory.dmp
memory/2056-121-0x0000000005800000-0x0000000005801000-memory.dmp
memory/2056-122-0x0000000005B10000-0x0000000005B1B000-memory.dmp
memory/2056-123-0x0000000002F70000-0x0000000002F71000-memory.dmp
memory/2056-115-0x0000000000C80000-0x0000000000C81000-memory.dmp
memory/2056-125-0x0000000007B40000-0x0000000007B96000-memory.dmp
memory/2056-120-0x0000000005540000-0x0000000005541000-memory.dmp
memory/2056-118-0x0000000005B40000-0x0000000005B41000-memory.dmp
memory/2056-117-0x00000000055A0000-0x00000000055A1000-memory.dmp
memory/4060-128-0x0000000000400000-0x000000000045A000-memory.dmp
memory/4060-134-0x0000000005060000-0x0000000005061000-memory.dmp
memory/4060-136-0x0000000005010000-0x0000000005011000-memory.dmp
memory/4060-137-0x0000000005B10000-0x0000000005B11000-memory.dmp