Analysis
- max time kernel
65s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20230621-en - resource tags
- submitted
22/06/2023, 07:32
General
- Target dfadbc955569424735b58044fb3179dc.exe
- Size 627KB
- Sample230622-jcykbsda98
- SHA256 996802dcddf7a2afc542a0d2eab92d8243a3126dd2f9a8c6e8cb9cebc09e8d61
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser101
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.yandex.com
-
Port
587
-
Username
-
Password
DreamChaser101
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- 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 WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.exe"C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.exe"C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.exe"C:\Users\Admin\AppData\Local\Temp\dfadbc955569424735b58044fb3179dc.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
dfadbc955569424735b58044fb3179dc.exe.log
memory/572-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/572-147-0x0000000007100000-0x00000000072C2000-memory.dmp
memory/572-146-0x0000000006EE0000-0x0000000006F30000-memory.dmp
memory/572-145-0x0000000005970000-0x0000000005980000-memory.dmp
memory/572-144-0x0000000005970000-0x0000000005980000-memory.dmp
memory/572-143-0x00000000058A0000-0x0000000005906000-memory.dmp
memory/5092-136-0x0000000005620000-0x000000000562A000-memory.dmp
memory/5092-139-0x0000000007560000-0x00000000075FC000-memory.dmp
memory/5092-138-0x0000000005500000-0x0000000005510000-memory.dmp
memory/5092-137-0x0000000005500000-0x0000000005510000-memory.dmp
memory/5092-133-0x0000000000B00000-0x0000000000BA2000-memory.dmp
memory/5092-135-0x0000000005550000-0x00000000055E2000-memory.dmp
memory/5092-134-0x0000000005BB0000-0x0000000006154000-memory.dmp