Analysis
- max time kernel
145s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
12/09/2023, 07:45
General
- Target UPSCBJ190511770131.exe
- Size 641KB
- Sample230912-jldxaaef45
- SHA256 c3a87824e88163e4d7fd71b84884fda2d4ba217944241fbd52d148cbc4779dfa
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
nl9.nlkoddos.com
-
Port
587
-
Username
-
Password
?J*UQj=)6}5u
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Looks up external IP address via web service 2 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 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"C:\Users\Admin\AppData\Local\Temp\UPSCBJ190511770131.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
UPSCBJ190511770131.exe.log
memory/4276-8-0x0000000005A40000-0x0000000005A50000-memory.dmp
memory/4276-1-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/4276-3-0x00000000058E0000-0x0000000005972000-memory.dmp
memory/4276-4-0x0000000005A40000-0x0000000005A50000-memory.dmp
memory/4276-5-0x00000000058D0000-0x00000000058DA000-memory.dmp
memory/4276-6-0x0000000005A50000-0x0000000005AEC000-memory.dmp
memory/4276-7-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/4276-0-0x0000000000E70000-0x0000000000F16000-memory.dmp
memory/4276-2-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/4276-13-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/5092-9-0x0000000000400000-0x0000000000442000-memory.dmp
memory/5092-12-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/5092-14-0x0000000005640000-0x0000000005650000-memory.dmp
memory/5092-15-0x0000000005650000-0x00000000056B6000-memory.dmp
memory/5092-16-0x0000000006BA0000-0x0000000006BF0000-memory.dmp
memory/5092-17-0x0000000074A50000-0x0000000075200000-memory.dmp
memory/5092-18-0x0000000005640000-0x0000000005650000-memory.dmp