Analysis
- max time kernel
106s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
22/05/2023, 13:37
General
- Target coreTEX_report_bgm.pdf.exe
- Size 662KB
- Sample230522-qws8aabe21
- SHA256 3eb22db295cea1562fb2f1a04c23a702cb254ce8b1ba1f54f1ebe8e6d1f3fe49
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot5830566856:AAGWFy9uABhntGSW37Ll1sdhis_3Sq_arBM/sendMessage?chat_id=1467583453
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 1 IoCs
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 1 IoCs
- 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 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\coreTEX_report_bgm.pdf.exe"C:\Users\Admin\AppData\Local\Temp\coreTEX_report_bgm.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\coreTEX_report_bgm.pdf.exe"C:\Users\Admin\AppData\Local\Temp\coreTEX_report_bgm.pdf.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
coreTEX_report_bgm.pdf.exe.log
memory/1008-133-0x00000000001C0000-0x000000000026C000-memory.dmp
memory/1008-134-0x00000000051A0000-0x0000000005744000-memory.dmp
memory/1008-135-0x0000000004C90000-0x0000000004D22000-memory.dmp
memory/1008-136-0x0000000004C20000-0x0000000004C2A000-memory.dmp
memory/1008-137-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/1008-138-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/1008-139-0x0000000007F10000-0x0000000007FAC000-memory.dmp
memory/2376-140-0x0000000000400000-0x0000000000424000-memory.dmp
memory/2376-143-0x00000000050C0000-0x00000000050D0000-memory.dmp
memory/2376-144-0x00000000050C0000-0x00000000050D0000-memory.dmp