Analysis
- max time kernel
137s - max time network
137s - platform
windows10_x64 - resource
win10v20201028 - submitted
09/11/2020, 19:48
General
- Target DHL_May 2020 at 1.PA_9B7290_PDF.exe
- Size 736KB
- Sample201109-hh4ybj95b2
- SHA256 2ae5302a997467e32d4822fbf756f9355d0474facb9cc70dc65eaa382f055e08
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.sisbg.net
-
Port
21
-
Username
-
Password
alibaba.com
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.sisbg.net/
-
Port
21
-
Username
-
Password
alibaba.com
-
Protocol
ftp
-
Host
ftp://ftp.sisbg.net/
-
Port
21
-
Username
-
Password
alibaba.com
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Obfuscated with Agile.Net obfuscator 1 IoCs
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
- 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 1.PA_9B7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 1.PA_9B7290_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 1.PA_9B7290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_May 2020 at 1.PA_9B7290_PDF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3304-0-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3304-1-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
memory/3304-3-0x0000000001600000-0x000000000160F000-memory.dmp
memory/3304-4-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/3304-5-0x0000000001620000-0x0000000001622000-memory.dmp
memory/3304-6-0x00000000058D0000-0x00000000058D1000-memory.dmp
memory/3304-7-0x00000000034D0000-0x00000000034D2000-memory.dmp
memory/3304-8-0x0000000005A70000-0x0000000005A71000-memory.dmp
memory/3304-9-0x0000000005D20000-0x0000000005D23000-memory.dmp
memory/3344-10-0x0000000000400000-0x0000000000450000-memory.dmp
memory/3344-12-0x0000000073300000-0x00000000739EE000-memory.dmp
memory/3344-16-0x0000000005120000-0x0000000005121000-memory.dmp
memory/3344-17-0x0000000005660000-0x0000000005661000-memory.dmp
memory/3344-18-0x0000000005BF0000-0x0000000005BF1000-memory.dmp
memory/3344-20-0x0000000006760000-0x0000000006761000-memory.dmp