Analysis
- max time kernel
124s - max time network
59s - platform
windows7_x64 - resource
win7v20210408 - submitted
16/06/2021, 13:39
General
- Target SHIPPING DOCUMENTS.exe
- Size 875KB
- Sample210616-gljxtjxk82
- SHA256 355264e0bdde768122e4797e12b658ded5235a012aabe250e19dcfdcd984e96f
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
oluwagozie123
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 3 IoCs
- Looks for VirtualBox Guest Additions in registry 2 TTPs
- Looks for VMWare Tools registry key 2 TTPs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- 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\SHIPPING DOCUMENTS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENTS.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1396-71-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1396-75-0x0000000004D10000-0x0000000004D11000-memory.dmp
memory/1396-73-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1724-61-0x0000000004990000-0x0000000004991000-memory.dmp
memory/1724-62-0x0000000000210000-0x0000000000226000-memory.dmp
memory/1724-63-0x0000000004E30000-0x0000000004EAC000-memory.dmp
memory/1724-64-0x0000000004EC0000-0x0000000004F01000-memory.dmp
memory/1724-59-0x0000000000DB0000-0x0000000000DB1000-memory.dmp
memory/1740-66-0x00000000769B1000-0x00000000769B3000-memory.dmp
memory/1740-77-0x0000000005240000-0x0000000005241000-memory.dmp
memory/1740-69-0x0000000004950000-0x0000000004951000-memory.dmp
memory/1740-68-0x0000000004990000-0x0000000004991000-memory.dmp
memory/1740-67-0x0000000001F40000-0x0000000001F41000-memory.dmp
memory/1740-76-0x0000000002680000-0x0000000002681000-memory.dmp
memory/1740-70-0x0000000004952000-0x0000000004953000-memory.dmp
memory/1740-80-0x0000000005FE0000-0x0000000005FE1000-memory.dmp
memory/1740-85-0x0000000006040000-0x0000000006041000-memory.dmp
memory/1740-86-0x000000007EF30000-0x000000007EF31000-memory.dmp
memory/1740-87-0x0000000006190000-0x0000000006191000-memory.dmp
memory/1740-94-0x0000000006280000-0x0000000006281000-memory.dmp
memory/1740-95-0x0000000005FA0000-0x0000000005FA1000-memory.dmp
memory/1740-109-0x0000000006300000-0x0000000006301000-memory.dmp
memory/1740-110-0x0000000006310000-0x0000000006311000-memory.dmp