Analysis
- max time kernel
128s - max time network
123s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
23/09/2021, 21:09
General
- Target cotización.XLX.exe
- Size 528KB
- Sample210923-zzhemafcg5
- SHA256 bec15fdabcc004c876a014db3ddf35482d79b606aac9430446878f9cc90c8161
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.rapidmail.ec
-
Port
587
-
Username
-
Password
icui4cu2@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\cotización.XLX.exe"C:\Users\Admin\AppData\Local\Temp\cotización.XLX.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\cotización.XLX.exe"C:\Users\Admin\AppData\Local\Temp\cotización.XLX.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/2756-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2756-134-0x0000000006540000-0x0000000006541000-memory.dmp
memory/2756-133-0x0000000005CA0000-0x0000000005CA1000-memory.dmp
memory/2756-132-0x0000000005850000-0x0000000005D4E000-memory.dmp
memory/3732-119-0x00000000055C0000-0x00000000055C1000-memory.dmp
memory/3732-123-0x0000000007EC0000-0x0000000007F37000-memory.dmp
memory/3732-124-0x0000000007F40000-0x0000000007F87000-memory.dmp
memory/3732-122-0x0000000005560000-0x00000000055F2000-memory.dmp
memory/3732-121-0x00000000056B0000-0x00000000056B4000-memory.dmp
memory/3732-120-0x0000000007A70000-0x0000000007A71000-memory.dmp
memory/3732-115-0x0000000000D00000-0x0000000000D01000-memory.dmp
memory/3732-118-0x0000000005600000-0x0000000005601000-memory.dmp
memory/3732-117-0x0000000005BD0000-0x0000000005BD1000-memory.dmp