Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 15:34

General

  • Target

    5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe

  • Size

    274KB

  • MD5

    2ab69a9c4d13e5a5dc02c630ab6a2a50

  • SHA1

    64ea40e8f976dc4ca3d9197b5617017a3d790640

  • SHA256

    5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456f

  • SHA512

    604b5e88cc95423be2bff9471cd8c2fdcae7a57b66f672cb22d0b3d761b4993a821b23fe26c03d8c19565e66695646993f153a7c6fc340b15d80a4cd23b8ce7a

  • SSDEEP

    6144:Cf+BLtABPD345GxbeCpwaUsZ3FVafTrNlI1D0Z2c:y4sZKaUsZ3sg1Dfc

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1268575223754522654/p3kG7TYiNnRJt6AGaKl6yqWSNq4m8D-z5DmsFHvopaDzLbxf2LlN6fYTIX4FWMVt7UOg

Signatures

  • 44Caliber

    An open source infostealer written in C#.

  • 44Caliber family
  • Reads user/profile data of web browsers 3 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\5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe
    "C:\Users\Admin\AppData\Local\Temp\5fe7cb7b48bbc726f862382deb5d98620154749c4fae4e8068e5745a20b4456fN.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    764B

    MD5

    2e4504fb8942727b60110a115cc5782d

    SHA1

    2ffb2a221f18024189e53187a171f110ba0943a8

    SHA256

    d12c52baae0d870c5e48f43c6b3a17df4fa3ae3c1307b74dd70318a9d3e81012

    SHA512

    dd5735f1e98f245c2327bcb6a8d1af148057a636763a2e8216e5fc114ff860c1eed2dbde48b38a3d89136caf216c1403bf449de7c7a803f877f16283676c39a9

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

    Filesize

    1KB

    MD5

    49e0eb8a69a1960a1e893e94a461b54b

    SHA1

    37b74e6f6ffd499ae658345a8197f94fbd847cf9

    SHA256

    9e439db781f54a6df08b52f8bb123444a9c45d3fae2af8eb463884cb71c43c5c

    SHA512

    3d7cb1c8a8053ba7488488f38b524f14c9585ffe904b194ff0861dc14ed5c19eaa3588155ee2ba4b22849d2b3e3cc94f81dca59f8f9e41a6392fa1f7c724a7c4

  • memory/3536-0-0x00007FFB38CC3000-0x00007FFB38CC5000-memory.dmp

    Filesize

    8KB

  • memory/3536-1-0x0000025AC3330000-0x0000025AC337A000-memory.dmp

    Filesize

    296KB

  • memory/3536-33-0x00007FFB38CC0000-0x00007FFB39781000-memory.dmp

    Filesize

    10.8MB

  • memory/3536-121-0x00007FFB38CC0000-0x00007FFB39781000-memory.dmp

    Filesize

    10.8MB