Analysis
- max time kernel
100s - max time network
18s - platform
windows7_x64 - resource
win7v20210410 - submitted
01/09/2021, 06:01
General
- Target hesaphareketi-01.pdf.exe
- Size 518KB
- Sample210901-dsewbeka2n
- SHA256 3b96e2efb3dc39986c3800ae1d490c149b3f2227867a03ed470c32f2ef14e39e
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
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Host
smtp.vivaldi.net
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Port
587
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Username
-
Password
Davidchukwuka2016
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.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\bTTHIyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE7B.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"C:\Users\Admin\AppData\Local\Temp\hesaphareketi-01.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/932-67-0x0000000000400000-0x000000000043C000-memory.dmp
memory/932-69-0x0000000000400000-0x000000000043C000-memory.dmp
memory/932-71-0x0000000004A80000-0x0000000004A81000-memory.dmp
memory/1220-60-0x0000000000B60000-0x0000000000B61000-memory.dmp
memory/1220-62-0x0000000007270000-0x0000000007271000-memory.dmp
memory/1220-63-0x0000000000510000-0x0000000000526000-memory.dmp
memory/1220-64-0x00000000072B0000-0x0000000007317000-memory.dmp
memory/1220-65-0x0000000000A80000-0x0000000000AC0000-memory.dmp