Analysis
- max time kernel
143s - max time network
120s - platform
windows10_x64 - resource
win10-en-20210920 - submitted
29/09/2021, 09:48
General
- Target DHL Shipment Notification 2151584805.pdf.exe
- Size 737KB
- Sample210929-lsr4laeeer
- SHA256 bbc4a223ff1aa2330e937fe4090732ec2743957f01529bebbceef20a7db5a932
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot1952154144:AAEHUKomldKQIyjgq_MWw4YWiGcA_iwz6T4/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 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.
- 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.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment Notification 2151584805.pdf.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2400-117-0x0000000005240000-0x0000000005241000-memory.dmp
memory/2400-118-0x0000000004C20000-0x0000000004C21000-memory.dmp
memory/2400-119-0x0000000004C00000-0x0000000004C01000-memory.dmp
memory/2400-120-0x0000000004D40000-0x000000000523E000-memory.dmp
memory/2400-121-0x0000000008110000-0x0000000008111000-memory.dmp
memory/2400-122-0x0000000004E30000-0x0000000004E43000-memory.dmp
memory/2400-123-0x0000000008620000-0x0000000008695000-memory.dmp
memory/2400-124-0x0000000005230000-0x0000000005232000-memory.dmp
memory/2400-125-0x00000000086B0000-0x00000000086F6000-memory.dmp
memory/2400-115-0x0000000000300000-0x0000000000301000-memory.dmp
memory/3724-139-0x0000000006FF0000-0x0000000006FF1000-memory.dmp
memory/3724-162-0x0000000009320000-0x0000000009321000-memory.dmp
memory/3724-371-0x0000000007130000-0x0000000007131000-memory.dmp
memory/3724-136-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
memory/3724-137-0x0000000007630000-0x0000000007631000-memory.dmp
memory/3724-365-0x0000000007140000-0x0000000007141000-memory.dmp
memory/3724-140-0x0000000006FF2000-0x0000000006FF3000-memory.dmp
memory/3724-141-0x00000000074F0000-0x00000000074F1000-memory.dmp
memory/3724-142-0x0000000007590000-0x0000000007591000-memory.dmp
memory/3724-143-0x0000000007E40000-0x0000000007E41000-memory.dmp
memory/3724-144-0x0000000007EB0000-0x0000000007EB1000-memory.dmp
memory/3724-145-0x0000000007CC0000-0x0000000007CC1000-memory.dmp
memory/3724-146-0x00000000087D0000-0x00000000087D1000-memory.dmp
memory/3724-147-0x00000000085D0000-0x00000000085D1000-memory.dmp
memory/3724-155-0x0000000009550000-0x0000000009583000-memory.dmp
memory/3724-170-0x0000000006FF3000-0x0000000006FF4000-memory.dmp
memory/3724-167-0x0000000009690000-0x0000000009691000-memory.dmp
memory/3724-168-0x00000000098B0000-0x00000000098B1000-memory.dmp
memory/3724-169-0x000000007F080000-0x000000007F081000-memory.dmp
memory/3792-302-0x00000000053F0000-0x00000000053F1000-memory.dmp
memory/3792-138-0x0000000005410000-0x0000000005411000-memory.dmp
memory/3792-127-0x0000000000400000-0x000000000043C000-memory.dmp