Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2023 18:46

General

  • Target

    SPYGAME.exe

  • Size

    274KB

  • MD5

    e94364b4239eb39286dd3b07a9ea469c

  • SHA1

    95a3fc71b5a4f63e1ce10c163af55b56f168a6f8

  • SHA256

    c2ade6498bf4fe3991c76104a2d5a8ad880ab4baaf0756f707eb3b22d9734a8f

  • SHA512

    bb924f1c1f8b851c70d5639abed43ed047452bac62580d060229e7a054d5f1be269e2888a3dfe511b434ac5a785dcf37216c95cffd8baaa9432cd930670acc13

  • SSDEEP

    6144:8f+BLtABPDWlR1ZroWT0Ilb5wqlYeJ6lA1D0wIk:RluK0Ilb5/lYed1DMk

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1101119692103491584/GTMNvMSwfNfgMdtSqTcvjCvj1QDXJYPNxW9vEtgHszOELGeSAQDBrIp9Qf7oWif26BJd

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Looks up external IP address via web service 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SPYGAME.exe
    "C:\Users\Admin\AppData\Local\Temp\SPYGAME.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\44\Process.txt

    Filesize

    795B

    MD5

    6a96102ef0d49770973df5921035a116

    SHA1

    912ea31d497e28f3f98b90e6687dde467dc7a190

    SHA256

    106a10eb643f9a4c7dff8b3ea3f8b1bda5ba3b5640ce6ab129b95580b1ab6a6d

    SHA512

    3567ebdb636b26884f3afdf5facca1ebe345edd3c674fbcce54a76c96ff80bbbda240a83d3d26421fea8204fce789361a186dbde4622518c9598434f8e2ce007

  • C:\Users\Admin\AppData\Local\44\Process.txt

    Filesize

    795B

    MD5

    6a96102ef0d49770973df5921035a116

    SHA1

    912ea31d497e28f3f98b90e6687dde467dc7a190

    SHA256

    106a10eb643f9a4c7dff8b3ea3f8b1bda5ba3b5640ce6ab129b95580b1ab6a6d

    SHA512

    3567ebdb636b26884f3afdf5facca1ebe345edd3c674fbcce54a76c96ff80bbbda240a83d3d26421fea8204fce789361a186dbde4622518c9598434f8e2ce007

  • C:\Users\Admin\AppData\Local\44\Process.txt

    Filesize

    1KB

    MD5

    85cf1c04f4c9e632d797055ee79063eb

    SHA1

    850d5f4a1d2208768e505e4a53e939afb72c4d2f

    SHA256

    e0b5f3482681cc9f85d3fc3b53232993cd65a6a9b93c0ecb9905773d14f948ec

    SHA512

    d1866addadf45076f0144306860af6e2131d8317a2ffb41b0632765e77844d3490d2a0a38083c56e858a50511a63fc6de276f0ee2f39d8f86699797fd7fe6f8c

  • memory/4732-0-0x000001EDEF7E0000-0x000001EDEF82A000-memory.dmp

    Filesize

    296KB

  • memory/4732-30-0x00007FF858D70000-0x00007FF859831000-memory.dmp

    Filesize

    10.8MB

  • memory/4732-31-0x000001EDF1EC0000-0x000001EDF1ED0000-memory.dmp

    Filesize

    64KB

  • memory/4732-118-0x00007FF858D70000-0x00007FF859831000-memory.dmp

    Filesize

    10.8MB