Analysis
- max time kernel
142s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
13/06/2024, 01:15
General
- Target 27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.exe
- Size 43KB
- Sample240613-bl9d7ayejf
- SHA256 27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
+d]5vpz{(G2w
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
+d]5vpz{(G2w
-
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.exe"C:\Users\Admin\AppData\Local\Temp\27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.exe"C:\Users\Admin\AppData\Local\Temp\27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.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=1408 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
27c7743f007f1ec0ca3003ba4448aeeeeb3b7237083ffedcdf7bbb4add43db03.exe.log
memory/1856-4904-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/1856-4902-0x0000000000400000-0x0000000000444000-memory.dmp
memory/1856-4906-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/1856-4905-0x0000000005180000-0x00000000051E6000-memory.dmp
memory/1856-4911-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/1856-4910-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/1856-4909-0x0000000006AA0000-0x0000000006AAA000-memory.dmp
memory/1856-4908-0x0000000006660000-0x00000000066FC000-memory.dmp
memory/1856-4907-0x0000000006570000-0x00000000065C0000-memory.dmp
memory/2432-55-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-29-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-15-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-63-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-69-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-67-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-65-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-59-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-57-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-53-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-51-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-47-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-43-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-41-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-39-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-37-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-33-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-61-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-5-0x00000000075B0000-0x0000000007642000-memory.dmp
memory/2432-49-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-45-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-35-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-31-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-13-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-27-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-25-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-23-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-19-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-11-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-9-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-7-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-21-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-17-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-6-0x00000000072E0000-0x000000000750C000-memory.dmp
memory/2432-4892-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/2432-4894-0x0000000005770000-0x00000000057BC000-memory.dmp
memory/2432-4893-0x0000000005690000-0x00000000056FE000-memory.dmp
memory/2432-4895-0x00000000747DE000-0x00000000747DF000-memory.dmp
memory/2432-4-0x0000000007AC0000-0x0000000008064000-memory.dmp
memory/2432-3-0x00000000072E0000-0x0000000007512000-memory.dmp
memory/2432-2-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/2432-1-0x0000000000410000-0x0000000000422000-memory.dmp
memory/2432-0-0x00000000747DE000-0x00000000747DF000-memory.dmp
memory/2432-4896-0x00000000747D0000-0x0000000074F80000-memory.dmp
memory/2432-4897-0x0000000000AB0000-0x0000000000B04000-memory.dmp
memory/2432-4903-0x00000000747D0000-0x0000000074F80000-memory.dmp