Analysis
- max time kernel
147s - max time network
70s - platform
windows10_x64 - resource
win10v20210410 - submitted
08/06/2021, 20:38
General
- Target POTR95744733.COM.exe
- Size 1.3MB
- Sample210608-ck5cdqvn1a
- SHA256 772d60eb9c03a8ffaf7dc4342c81d657f085b23e55ceb3a412e5401906608aef
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.goldentravel.ec
-
Port
587
-
Username
-
Password
+IsMa~Sce&N=
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\POTR95744733.COM.exe"C:\Users\Admin\AppData\Local\Temp\POTR95744733.COM.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\POTR95744733.COM.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\POTR95744733.COM.exe"C:\Users\Admin\AppData\Local\Temp\POTR95744733.COM.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1312-142-0x0000000007EC0000-0x0000000007EC1000-memory.dmp
memory/1312-143-0x0000000008800000-0x0000000008801000-memory.dmp
memory/1312-169-0x0000000009990000-0x0000000009991000-memory.dmp
memory/1312-168-0x0000000007103000-0x0000000007104000-memory.dmp
memory/1312-167-0x000000007EC70000-0x000000007EC71000-memory.dmp
memory/1312-166-0x0000000009840000-0x0000000009841000-memory.dmp
memory/1312-161-0x0000000009430000-0x0000000009431000-memory.dmp
memory/1312-154-0x0000000009450000-0x0000000009483000-memory.dmp
memory/1312-146-0x00000000086B0000-0x00000000086B1000-memory.dmp
memory/1312-131-0x0000000007100000-0x0000000007101000-memory.dmp
memory/1312-132-0x0000000007102000-0x0000000007103000-memory.dmp
memory/1312-129-0x0000000006F30000-0x0000000006F31000-memory.dmp
memory/1312-130-0x0000000007740000-0x0000000007741000-memory.dmp
memory/1312-134-0x0000000008010000-0x0000000008011000-memory.dmp
memory/1312-133-0x0000000007600000-0x0000000007601000-memory.dmp
memory/1312-136-0x0000000008080000-0x0000000008081000-memory.dmp
memory/2956-145-0x00000000055F0000-0x0000000005AEE000-memory.dmp
memory/2956-137-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3056-118-0x00000000053A0000-0x00000000053A1000-memory.dmp
memory/3056-114-0x0000000000850000-0x0000000000851000-memory.dmp
memory/3056-116-0x00000000051D0000-0x00000000051D1000-memory.dmp
memory/3056-122-0x0000000005130000-0x00000000051CC000-memory.dmp
memory/3056-121-0x0000000005290000-0x00000000052AE000-memory.dmp
memory/3056-126-0x000000000B650000-0x000000000B651000-memory.dmp
memory/3056-123-0x0000000006090000-0x000000000611A000-memory.dmp
memory/3056-120-0x0000000005300000-0x0000000005301000-memory.dmp
memory/3056-119-0x00000000051B0000-0x00000000051B1000-memory.dmp
memory/3056-124-0x0000000005500000-0x000000000554E000-memory.dmp
memory/3056-117-0x0000000005800000-0x0000000005801000-memory.dmp