Analysis
- max time kernel
96s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/04/2023, 05:56
General
- Target PO TY656FG.xlsx.exe
- Size 607KB
- Sample230421-gm2cvsed58
- SHA256 78ff2f0f8d66532c03451f447a0cc030363cca6ad195ec248d1d64dda9afb2b4
Malware Config
Extracted
-
snakekeylogger
-
https://api.telegram.org/bot6221660400:AAGb-WADrhdDFxd9kxzjtg3jdDw9-uvNVlM/sendMessage?chat_id=6200392710
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\PO TY656FG.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO TY656FG.xlsx.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
PO TY656FG.xlsx.exe.log
memory/3260-133-0x0000000000B10000-0x0000000000BAE000-memory.dmp
memory/3260-134-0x0000000005AF0000-0x0000000006094000-memory.dmp
memory/3260-135-0x00000000055E0000-0x0000000005672000-memory.dmp
memory/3260-136-0x0000000005780000-0x000000000578A000-memory.dmp
memory/3260-137-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/3260-138-0x00000000055A0000-0x00000000055B0000-memory.dmp
memory/3260-139-0x00000000066F0000-0x000000000678C000-memory.dmp
memory/3860-140-0x0000000000400000-0x0000000000426000-memory.dmp
memory/3860-143-0x00000000058E0000-0x00000000058F0000-memory.dmp
memory/3860-144-0x00000000058E0000-0x00000000058F0000-memory.dmp