Analysis
- max time kernel
38s - max time network
121s - platform
windows7_x64 - resource
win7-20220812-en - resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system - submitted
12/02/2023, 08:25
Static task
static1
Behavioral task
behavioral1
Sample
098765434567800876567.exe
Resource
win7-20220812-en
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
098765434567800876567.exe
Resource
win10v2004-20220812-en
11 signatures
150 seconds
General
- Target 098765434567800876567.exe
- Size 1.4MB
- Sample230212-kbabsabe39
- SHA256 15fdf335aa7b720d7ae187afe07af4de7ff71092dd06934e0f3f61b0b642bc39
- MD5 eda087049b25038c82268f4e4632b4fb
- SHA1 d5078ed7fb9cb8d6df2273140227b4e2ffaabc03
- SHA512 336e38c5839b5e81779af1df3ba97686b72a7dcc458261ece54f4f8b9bcc728b6dc0937edee8cd9abb36e6003f4639aacf2e1139a2d00be40ab81f078906990c
- SSDEEP 12288:UYilYFnyW7EcgMe6uN4uVDC3l4R4spuL8bILSuL4cSbEX7ULxMto2eXcDUnquyQx:ZNaELSuL4k+F6+KtGcIQMo8QEvYM
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
snakekeylogger
C2
-
https://api.telegram.org/bot5801425382:AAG5b4PUEaqNDv5uP9ejZGeIHeuzzOD4IHY/sendMessage?chat_id=5812329204
Signatures
- Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
- Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/912-60-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/912-62-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/912-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/912-64-0x000000000042063E-mapping.dmp family_snakekeylogger behavioral1/memory/912-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/912-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger - Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.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 3 checkip.dyndns.org - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 288 set thread context of 912 288 098765434567800876567.exe 26 - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 912 MSBuild.exe 912 MSBuild.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 912 MSBuild.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 PID 288 wrote to memory of 912 288 098765434567800876567.exe 26 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe - outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 MSBuild.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\098765434567800876567.exe"C:\Users\Admin\AppData\Local\Temp\098765434567800876567.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:288 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\MSBuild.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:912
-