Overview

overview

10

Static

static

10

2025-02-25...ch.exe

windows7-x64

1

2025-02-25...ch.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    140s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/02/2025, 14:16

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General

  • Target

    2025-02-25_3607ba045853985118b8d54b91122154_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe

  • Size

    14.8MB

  • MD5

    3607ba045853985118b8d54b91122154

  • SHA1

    d559b1e885f50924c7e0cd85d224411c9e1e6c1d

  • SHA256

    bfd7bc73191eab1c1c812a0a7a5aea593be09a8a0703bda1171879fc13a67bea

  • SHA512

    30267a06ecb383488ad30cf49c6a72dca71a9935cea610b12e2ae79e4abe02c6f0a0a3b40698919b65682f39be0213c607e384aa2c6b87bf9be067e8ea104607

  • SSDEEP

    196608:KqZ4f/oCqKqc/3h4Po9YXx+29GAB7ob73mrVGwYdNE2vfUWZ:xZ4XoBKHY9AuM73gQDvfUWZ

Score
10/10
skuldpersistencestealer

Malware Config

Extracted

Family

skuld

C2

https://ptb.discord.com/api/webhooks/1328831575789670452/xCCdIHtUlgPrQV3300CuNBr_DVbCb2fTTBtkXn4qDJnuJPpmJOp5dKrjZT4B0XHJ4OMa

Signatures

  • Skuld family
    skuld
  • Skuld stealer

    An info stealer written in Go lang.

    stealerskuld
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 3 IoCs

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

  • GoLang User-Agent 1 IoCs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
    defense_evasionspywaretrojan
  • Suspicious use of AdjustPrivilegeToken 43 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs
    defense_evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-02-25_3607ba045853985118b8d54b91122154_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-25_3607ba045853985118b8d54b91122154_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe"
    1⤵
    • Adds Run key to start application
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4176
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Local\Temp\2025-02-25_3607ba045853985118b8d54b91122154_frostygoop_luca-stealer_ngrbot_poet-rat_snatch.exe
      2⤵
      • Views/modifies file attributes
      PID:4208
    • C:\Windows\system32\attrib.exe
      attrib +h +s C:\Users\Admin\AppData\Roaming\Microsoft\Protect\SecurityHealthSystray.exe
      2⤵
      • Views/modifies file attributes
      PID:4744
    • C:\Windows\System32\Wbem\wmic.exe
      wmic csproduct get UUID
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:372

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    14.8MB

    MD5

    3607ba045853985118b8d54b91122154

    SHA1

    d559b1e885f50924c7e0cd85d224411c9e1e6c1d

    SHA256

    bfd7bc73191eab1c1c812a0a7a5aea593be09a8a0703bda1171879fc13a67bea

    SHA512

    30267a06ecb383488ad30cf49c6a72dca71a9935cea610b12e2ae79e4abe02c6f0a0a3b40698919b65682f39be0213c607e384aa2c6b87bf9be067e8ea104607

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