Analysis
- max time kernel
143s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
27/03/2024, 10:34
General
- Target TT-SWIFT-ERROR.exe
- Size 618KB
- Sample240327-ml33ysdc8v
- SHA256 b089fa2bc45c847783b8eb957d9d1023f707a96073f2657d6a838eaf5619949b
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.y-pt.com
-
Port
587
-
Username
-
Password
LILKOOLL14!
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.y-pt.com
-
Port
587
-
Username
-
Password
LILKOOLL14!
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"C:\Users\Admin\AppData\Local\Temp\TT-SWIFT-ERROR.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3276 --field-trial-handle=2356,i,13261194862334667799,7441241219475888176,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
memory/336-11-0x0000000000400000-0x0000000000442000-memory.dmp
memory/336-18-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/336-17-0x0000000006950000-0x00000000069A0000-memory.dmp
memory/336-16-0x0000000005180000-0x00000000051E6000-memory.dmp
memory/336-15-0x0000000005170000-0x0000000005180000-memory.dmp
memory/336-13-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4428-4-0x0000000005730000-0x0000000005740000-memory.dmp
memory/4428-7-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4428-8-0x00000000055D0000-0x00000000055DC000-memory.dmp
memory/4428-9-0x00000000061C0000-0x0000000006244000-memory.dmp
memory/4428-10-0x0000000007510000-0x00000000075AC000-memory.dmp
memory/4428-6-0x0000000005510000-0x0000000005522000-memory.dmp
memory/4428-5-0x00000000055C0000-0x00000000055CA000-memory.dmp
memory/4428-14-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4428-0-0x00000000752D0000-0x0000000075A80000-memory.dmp
memory/4428-3-0x0000000005520000-0x00000000055B2000-memory.dmp
memory/4428-2-0x00000000059F0000-0x0000000005F94000-memory.dmp
memory/4428-1-0x0000000000A80000-0x0000000000B20000-memory.dmp