Analysis
- max time kernel
78s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
28/04/2022, 07:02
General
- Target 78294e72c5365ec24cc928b58cd51f9b.exe
- Size 568KB
- Sample220428-htr87sfddm
- SHA256 31db1eaded87c877869d4c247c2da6fa3be4de4f8bcaebf61f499c50275345d6
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.amalgama-com.gq/
-
Port
21
-
Username
-
Password
Y}d$}FP(YeI]
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\78294e72c5365ec24cc928b58cd51f9b.exe"C:\Users\Admin\AppData\Local\Temp\78294e72c5365ec24cc928b58cd51f9b.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QVxffewNuLC.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QVxffewNuLC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1D6B.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
tmp1D6B.tmp
memory/776-148-0x0000000005FB0000-0x0000000005FCE000-memory.dmp
memory/776-153-0x0000000006F90000-0x0000000007026000-memory.dmp
memory/776-156-0x0000000007030000-0x0000000007038000-memory.dmp
memory/776-155-0x0000000007050000-0x000000000706A000-memory.dmp
memory/776-154-0x0000000006F40000-0x0000000006F4E000-memory.dmp
memory/776-144-0x0000000004C10000-0x0000000004C76000-memory.dmp
memory/776-138-0x0000000000C50000-0x0000000000C86000-memory.dmp
memory/776-151-0x0000000006D80000-0x0000000006D8A000-memory.dmp
memory/776-150-0x0000000006D00000-0x0000000006D1A000-memory.dmp
memory/776-141-0x0000000004D60000-0x0000000005388000-memory.dmp
memory/776-145-0x0000000005A20000-0x0000000005A3E000-memory.dmp
memory/776-147-0x0000000070C90000-0x0000000070CDC000-memory.dmp
memory/776-143-0x0000000004940000-0x0000000004962000-memory.dmp
memory/776-149-0x00000000073B0000-0x0000000007A2A000-memory.dmp
memory/776-146-0x00000000069E0000-0x0000000006A12000-memory.dmp
memory/1372-132-0x0000000004BF0000-0x0000000004C82000-memory.dmp
memory/1372-130-0x0000000000240000-0x00000000002D4000-memory.dmp
memory/1372-131-0x0000000005100000-0x00000000056A4000-memory.dmp
memory/1372-135-0x0000000008D40000-0x0000000008DA6000-memory.dmp
memory/1372-134-0x00000000071E0000-0x000000000727C000-memory.dmp
memory/1372-133-0x0000000004B50000-0x0000000004B5A000-memory.dmp
memory/1696-142-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1696-152-0x00000000067C0000-0x0000000006810000-memory.dmp