Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Analysis
-
max time kernel
146s -
max time network
164s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
13/10/2023, 11:49
Static task
static1
Behavioral task
behavioral1
Sample
Xcipfrrs.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
Xcipfrrs.exe
Resource
win10v2004-20230915-en
General
-
Target
Xcipfrrs.exe
-
Size
340KB
-
MD5
be386c47c42d11ab2b0ee2e820297608
-
SHA1
3a2720f80b8394f0ce859d1dd5566b681252ea84
-
SHA256
32a00fc9b61a3ca12be1aa91388fbd5c37b19650b01a11d0e5521097b3de3e11
-
SHA512
b7e401045970b7349c8e113cb53c64171e54e34c526a2b3ef8344156f6bd5fc40479d6c1f4281e5a82dc7eeab143a257c6958cc13da25979acd4cd7e4be19486
-
SSDEEP
6144:QvpJo0XE/ZLUsQqVChyUWmSvoPsasomPFpyit2mHKW2cwOkxStaC8dNH1:ko/qqoU8zsu6stR
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6380706838:AAHeNJQXD2oljrKM46U8G-Zyq3GHA5SyN3c/sendMessage?chat_id=5262627523
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
resource yara_rule behavioral2/memory/404-9-0x0000000140000000-0x0000000140022000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sssssss = "C:\\Users\\Admin\\AppData\\Roaming\\sssssss.exe" Xcipfrrs.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 63 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 728 set thread context of 404 728 Xcipfrrs.exe 98 -
Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 404 MSBuild.exe 404 MSBuild.exe 404 MSBuild.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 728 Xcipfrrs.exe Token: SeDebugPrivilege 404 MSBuild.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 PID 728 wrote to memory of 404 728 Xcipfrrs.exe 98 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Xcipfrrs.exe"C:\Users\Admin\AppData\Local\Temp\Xcipfrrs.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:728 -
C:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\MSBuild.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:404
-