Analysis
- max time kernel
83s - max time network
90s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
06/07/2023, 08:32
General
- Target 29CB21AF.exe
- Size 762KB
- Sample230706-ke97kshf48
- SHA256 940452c26b4fd683f1c88746b751d4299e9b8c3fe25aa62168eca31924c17592
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail1.netim.hosting
-
Port
587
-
Username
-
Password
Emotion22
-
Email to
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.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- 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).
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\29CB21AF.exe"C:\Users\Admin\AppData\Local\Temp\29CB21AF.exe"1⤵
- Checks computer location settings
- 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\Roaming\PemjgzKgZspn.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PemjgzKgZspn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp51D4.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\29CB21AF.exe"C:\Users\Admin\AppData\Local\Temp\29CB21AF.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
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Downloads
__PSScriptPolicyTest_gz3z0kba.u0d.ps1
tmp51D4.tmp
memory/4092-134-0x0000000005DE0000-0x0000000006384000-memory.dmp
memory/4092-135-0x0000000005910000-0x00000000059A2000-memory.dmp
memory/4092-136-0x0000000005A00000-0x0000000005A0A000-memory.dmp
memory/4092-137-0x0000000005A60000-0x0000000005A70000-memory.dmp
memory/4092-138-0x0000000005A60000-0x0000000005A70000-memory.dmp
memory/4092-139-0x0000000009D00000-0x0000000009D9C000-memory.dmp
memory/4092-133-0x0000000000FD0000-0x0000000001094000-memory.dmp
memory/4268-162-0x00000000021F0000-0x0000000002200000-memory.dmp
memory/4268-177-0x00000000060B0000-0x00000000060CE000-memory.dmp
memory/4268-187-0x0000000007140000-0x0000000007148000-memory.dmp
memory/4268-150-0x0000000004C50000-0x0000000004C72000-memory.dmp
memory/4268-186-0x0000000007160000-0x000000000717A000-memory.dmp
memory/4268-156-0x0000000005490000-0x00000000054F6000-memory.dmp
memory/4268-185-0x0000000007050000-0x000000000705E000-memory.dmp
memory/4268-144-0x0000000002200000-0x0000000002236000-memory.dmp
memory/4268-163-0x00000000021F0000-0x0000000002200000-memory.dmp
memory/4268-164-0x0000000005730000-0x000000000574E000-memory.dmp
memory/4268-165-0x00000000021F0000-0x0000000002200000-memory.dmp
memory/4268-166-0x00000000060D0000-0x0000000006102000-memory.dmp
memory/4268-167-0x00000000700A0000-0x00000000700EC000-memory.dmp
memory/4268-147-0x0000000004CF0000-0x0000000005318000-memory.dmp
memory/4268-184-0x00000000070A0000-0x0000000007136000-memory.dmp
memory/4268-180-0x000000007F770000-0x000000007F780000-memory.dmp
memory/4268-183-0x0000000006E90000-0x0000000006E9A000-memory.dmp
memory/4268-181-0x0000000007450000-0x0000000007ACA000-memory.dmp
memory/4268-182-0x0000000006E10000-0x0000000006E2A000-memory.dmp
memory/4584-179-0x0000000006940000-0x0000000006B02000-memory.dmp
memory/4584-178-0x0000000006720000-0x0000000006770000-memory.dmp
memory/4584-161-0x0000000005810000-0x0000000005820000-memory.dmp
memory/4584-146-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4584-149-0x0000000005820000-0x0000000005886000-memory.dmp
memory/4584-190-0x0000000005810000-0x0000000005820000-memory.dmp