Analysis

  • max time kernel
    48s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:41

General

  • Target

    VSL Q88.exe

  • Size

    17KB

  • MD5

    abb62deff1e4851be179ab55fb65e4a7

  • SHA1

    36d60ff07bcfdbe6c83c69079c954cc655bd9557

  • SHA256

    35a1eb3544b13e48380568cef531dec8473aa229fa4fccc532898b2c514f05ab

  • SHA512

    2e80e80a3c8b3aa4a2a49a8bdc618f464f399e98da68dac4a558282dc237cdd7e4a899969695661af3d462d0c46e211bbd9ae1ee8a55658f724d852cd98b1e6b

  • SSDEEP

    384:eBHyHMiAiIufjm2g6WeLLB3mDTQ8T3Jd:YHyHMi0ufj3H5F3mDF3T

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot1897716112:AAEAtOCkOV8umHBB93Og24bkiIdUKReGK44/sendMessage?chat_id=1745211648

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • 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
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
    "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:620
    • C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe
      "C:\Users\Admin\AppData\Local\Temp\VSL Q88.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1816

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/620-58-0x0000000000000000-mapping.dmp
  • memory/620-62-0x000000006F660000-0x000000006FC0B000-memory.dmp
    Filesize

    5.7MB

  • memory/620-61-0x000000006F660000-0x000000006FC0B000-memory.dmp
    Filesize

    5.7MB

  • memory/620-60-0x000000006F660000-0x000000006FC0B000-memory.dmp
    Filesize

    5.7MB

  • memory/1816-69-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-67-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-65-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-70-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-71-0x000000000042079E-mapping.dmp
  • memory/1816-73-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1816-75-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2024-57-0x0000000005530000-0x00000000055C2000-memory.dmp
    Filesize

    584KB

  • memory/2024-56-0x0000000005B30000-0x0000000005C92000-memory.dmp
    Filesize

    1.4MB

  • memory/2024-55-0x00000000759F1000-0x00000000759F3000-memory.dmp
    Filesize

    8KB

  • memory/2024-63-0x0000000005220000-0x0000000005268000-memory.dmp
    Filesize

    288KB

  • memory/2024-54-0x0000000000870000-0x000000000087A000-memory.dmp
    Filesize

    40KB