Analysis
- max time kernel
124s - max time network
72s - platform
windows10_x64 - resource
win10v20210408 - 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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 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
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Downloads
memory/620-123-0x0000000006850000-0x00000000068CC000-memory.dmp
memory/620-117-0x0000000004F80000-0x0000000004F81000-memory.dmp
memory/620-118-0x0000000004B20000-0x0000000004B21000-memory.dmp
memory/620-119-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
memory/620-120-0x0000000004CF0000-0x0000000004CF1000-memory.dmp
memory/620-121-0x0000000004A80000-0x0000000004F7E000-memory.dmp
memory/620-122-0x0000000004E80000-0x0000000004E96000-memory.dmp
memory/620-114-0x0000000000100000-0x0000000000101000-memory.dmp
memory/620-124-0x00000000068D0000-0x0000000006911000-memory.dmp
memory/620-116-0x00000000049D0000-0x00000000049D1000-memory.dmp
memory/620-126-0x000000000D770000-0x000000000D771000-memory.dmp
memory/1496-138-0x0000000007020000-0x0000000007021000-memory.dmp
memory/1496-147-0x0000000008580000-0x0000000008581000-memory.dmp
memory/1496-170-0x0000000007023000-0x0000000007024000-memory.dmp
memory/1496-129-0x0000000004A50000-0x0000000004A51000-memory.dmp
memory/1496-169-0x000000007EB50000-0x000000007EB51000-memory.dmp
memory/1496-168-0x0000000009890000-0x0000000009891000-memory.dmp
memory/1496-139-0x0000000007022000-0x0000000007023000-memory.dmp
memory/1496-141-0x00000000074D0000-0x00000000074D1000-memory.dmp
memory/1496-142-0x0000000007D90000-0x0000000007D91000-memory.dmp
memory/1496-144-0x0000000007E00000-0x0000000007E01000-memory.dmp
memory/1496-145-0x0000000008170000-0x0000000008171000-memory.dmp
memory/1496-146-0x00000000087F0000-0x00000000087F1000-memory.dmp
memory/1496-130-0x0000000007660000-0x0000000007661000-memory.dmp
memory/1496-155-0x0000000009550000-0x0000000009583000-memory.dmp
memory/1496-162-0x0000000009510000-0x0000000009511000-memory.dmp
memory/1496-167-0x0000000009680000-0x0000000009681000-memory.dmp
memory/3920-140-0x0000000005090000-0x000000000558E000-memory.dmp
memory/3920-131-0x0000000000400000-0x000000000043C000-memory.dmp