Analysis
- max time kernel
98s - max time network
135s - platform
windows7_x64 - resource
win7-20230220-en - resource tags
- submitted
16/05/2023, 10:51
General
- Target PO No. SER-RUB-0523-01-NS.xlsx.exe
- Size 563KB
- Sample230516-mxt97aad37
- SHA256 db5a4b5c89e2984ac0be6e61a93dcd9ab7bb42d81ca6083b4388ae962ec6ea27
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 7 IoCs
- StormKitty
StormKitty is an open source info stealer written in C#.
- StormKitty payload 5 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.xlsx.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.xlsx.exe"C:\Users\Admin\AppData\Local\Temp\PO No. SER-RUB-0523-01-NS.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
memory/1468-54-0x00000000010B0000-0x0000000001142000-memory.dmp
memory/1468-55-0x0000000004F20000-0x0000000004F60000-memory.dmp
memory/1468-56-0x0000000000330000-0x0000000000342000-memory.dmp
memory/1468-57-0x0000000004F20000-0x0000000004F60000-memory.dmp
memory/1468-58-0x0000000000350000-0x000000000035A000-memory.dmp
memory/1468-59-0x0000000000B40000-0x0000000000BA2000-memory.dmp
memory/1468-60-0x0000000000970000-0x0000000000998000-memory.dmp
memory/1920-61-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-62-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-64-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-63-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1920-66-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-68-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-70-0x0000000000400000-0x0000000000426000-memory.dmp
memory/1920-71-0x0000000004B20000-0x0000000004B60000-memory.dmp
memory/1920-72-0x0000000004B20000-0x0000000004B60000-memory.dmp