General

  • Target

    ace_brute_v3.exe

  • Size

    20.7MB

  • Sample

    241126-ay4tssvlaw

  • MD5

    8ce170fe4a60c76558c96e9a75fb49a7

  • SHA1

    a6211291e0933b93582ae06955977a98d69e7514

  • SHA256

    db3f35ead020e7aecfdba98d1e5145ced413a01984793f6d57834798dd0de0a6

  • SHA512

    2ed2b6264abdac610f25361808697fbaad6e7a33f67c84db118cb932528d184f3ffb1d86fbc1487e1303d722b7cb81b46bcf37a2f0c314b054f162872a7c6a1d

  • SSDEEP

    393216:TCGBLUmCO0GQQFSs3laejYsB69XmyzTvJ8cr3jALaDhZVHkURVnX72kI7OVWNp:T1BLVCOtXFVjYZ9HnW1LaZHRXXm71D

Malware Config

Extracted

Family

xworm

Version

5.0

C2

find-rubber.gl.at.ply.gg:5426

Mutex

CRQoPEkBWWzMBNPO

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.exe

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7755383590:AAHvkcycZMKmP0sVjuasWVmWZcRu5CgLKA8/sendDocument?chat_id=-4507794940&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0.25%20kb

https://api.telegram.org/bot7755383590:AAHvkcycZMKmP0sVjuasWVmWZcRu5CgLKA8/sendMessage?chat_id=-4507794940

https://api.telegram.org/bot7755383590:AAHvkcycZMKmP0sVjuasWVmWZcRu5CgLKA8/getUpdates?offset=-

https://api.telegram.org/bot7755383590:AAHvkcycZMKmP0sVjuasWVmWZcRu5CgLKA8/sendDocument?chat_id=-4507794940&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      ace_brute_v3.exe

    • Size

      20.7MB

    • MD5

      8ce170fe4a60c76558c96e9a75fb49a7

    • SHA1

      a6211291e0933b93582ae06955977a98d69e7514

    • SHA256

      db3f35ead020e7aecfdba98d1e5145ced413a01984793f6d57834798dd0de0a6

    • SHA512

      2ed2b6264abdac610f25361808697fbaad6e7a33f67c84db118cb932528d184f3ffb1d86fbc1487e1303d722b7cb81b46bcf37a2f0c314b054f162872a7c6a1d

    • SSDEEP

      393216:TCGBLUmCO0GQQFSs3laejYsB69XmyzTvJ8cr3jALaDhZVHkURVnX72kI7OVWNp:T1BLVCOtXFVjYZ9HnW1LaZHRXXm71D

    • Detect Xworm Payload

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Enumerates processes with tasklist

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks