Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-06-2024 00:48

General

  • Target

    2024-06-24_56b797edc38ad73eb8d53b8cc0663dc4_ngrbot_poet-rat_snatch.exe

  • Size

    9.3MB

  • MD5

    56b797edc38ad73eb8d53b8cc0663dc4

  • SHA1

    6883e7608a5cd27ee53d18f27e19f325b4de04c8

  • SHA256

    73b413134f3ca2bbc04ac21cfbc33156d78667bb30c8da7356f0e2b72dd158c2

  • SHA512

    473963efa2f54fcf128040df737db94154655bf46ad6c5119ef067feb0f83bda0edca7abdb4d61fc9834586576f61ac73cbfb682660922d8351f4c2ee2e66c56

  • SSDEEP

    98304:msGLMqMUzFeUoGgcmmPsWvpIq+EV6wKIii8HlD+:SBMUzQyPsWvCq7sfD

Malware Config

Extracted

Family

skuld

C2

https://discord.com/api/webhooks/1254554406678958110/o7wQ60ExSOGXIXSGgiC0Ju8mUqnQxRGrcENM02LRwolrQDNAk3eIwL3iVrc6ojOqHzGl

Signatures

  • Skuld stealer

    An info stealer written in Go lang.

  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables Discord URL observed in first stage droppers 1 IoCs
  • Detects executables containing SQL queries to confidential data stores. Observed in infostealers 1 IoCs
  • Detects executables containing URLs to raw contents of a Github gist 1 IoCs
  • Detects executables containing possible sandbox system UUIDs 1 IoCs
  • Detects executables referencing virtualization MAC addresses 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-24_56b797edc38ad73eb8d53b8cc0663dc4_ngrbot_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-24_56b797edc38ad73eb8d53b8cc0663dc4_ngrbot_poet-rat_snatch.exe"
    1⤵
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\2024-06-24_56b797edc38ad73eb8d53b8cc0663dc4_ngrbot_poet-rat_snatch.exe
      2⤵
      • Views/modifies file attributes
      PID:3528
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:3108
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4968
    • C:\Windows\System32\Wbem\wmic.exe
      wmic path win32_VideoController get name
      2⤵
      • Detects videocard installed
      • Suspicious use of AdjustPrivilegeToken
      PID:1900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe

    Filesize

    9.3MB

    MD5

    56b797edc38ad73eb8d53b8cc0663dc4

    SHA1

    6883e7608a5cd27ee53d18f27e19f325b4de04c8

    SHA256

    73b413134f3ca2bbc04ac21cfbc33156d78667bb30c8da7356f0e2b72dd158c2

    SHA512

    473963efa2f54fcf128040df737db94154655bf46ad6c5119ef067feb0f83bda0edca7abdb4d61fc9834586576f61ac73cbfb682660922d8351f4c2ee2e66c56