Analysis
- max time kernel
150s - max time network
72s - platform
windows10_x64 - resource
win10v200722 - submitted
12/10/2020, 18:59
General
- Target 642e9540fdb40b32b9400c015ab9de7f.exe
- Size 965KB
- Sample201012-japltw9s2e
- SHA256 7ed42f7ef1538a1e13b685f37ed0b2995fdd7151af2a5ae97c68112bb244ef8d
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
OSINACHI3116
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 3 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\642e9540fdb40b32b9400c015ab9de7f.exe"C:\Users\Admin\AppData\Local\Temp\642e9540fdb40b32b9400c015ab9de7f.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\642e9540fdb40b32b9400c015ab9de7f.exe"C:\Users\Admin\AppData\Local\Temp\642e9540fdb40b32b9400c015ab9de7f.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"3⤵
- Suspicious use of AdjustPrivilegeToken
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/200-33-0x00000000064D0000-0x00000000064D1000-memory.dmp
memory/200-25-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3468-15-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3984-1-0x0000000000730000-0x0000000000731000-memory.dmp
memory/3984-3-0x0000000005060000-0x0000000005061000-memory.dmp
memory/3984-4-0x00000000056F0000-0x0000000005758000-memory.dmp
memory/3984-6-0x0000000005330000-0x0000000005396000-memory.dmp
memory/3984-0-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3988-12-0x0000000005F00000-0x0000000005F01000-memory.dmp
memory/3988-13-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/3988-19-0x0000000005830000-0x0000000005831000-memory.dmp
memory/3988-20-0x0000000005970000-0x0000000005971000-memory.dmp
memory/3988-9-0x00000000739D0000-0x00000000740BE000-memory.dmp
memory/3988-7-0x0000000000400000-0x0000000000466000-memory.dmp