General

  • Target

    08b0e2870a7fc2dcd71879d84ff235b6f3b27ed5fa2d320a03821d55ce6d6726.zip

  • Size

    22.0MB

  • Sample

    240619-r9xcjaxbmr

  • MD5

    78c12e107561655fed35af72ed4c7400

  • SHA1

    3668f3cb356f7ddee4e913df652542814531cd89

  • SHA256

    08b0e2870a7fc2dcd71879d84ff235b6f3b27ed5fa2d320a03821d55ce6d6726

  • SHA512

    1a32bf0df0e632509db83b7bcc85bb17aafd55adf6f40dcfc6418a3129aa47d7c1ca6783eecb65704ad392a14a666c5a1501635eb6305c88d6b8adba9458ff64

  • SSDEEP

    393216:O59jOFPfpmDOsL5NlALjjdx+pbd/O8hGDoGFLjsflmtsVeRnNZ:OjOFPBxG53QjpxKG8jGdUstser

Malware Config

Extracted

Family

asyncrat

Version

Venom RAT + HVNC + Stealer + Grabber v6.0.2

Botnet

Default

C2

72.5.43.15:4449

Mutex

yezcydjwbxouz

Attributes
  • delay

    1

  • install

    true

  • install_file

    win.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      win7/runtime.exe

    • Size

      73KB

    • MD5

      4fa7b1eec1fc84eb3a13c29e5a37aae7

    • SHA1

      dfff9fceeb4d74d7e82f9f0a65d1889fa0f9e326

    • SHA256

      5f5aa560b9b2d9f7ea3b9a4e05b9b9b35107dc78bd763000fe05f6b3f998f311

    • SHA512

      5e36a5589499a3db56d78de1b66a9ee57a2972bc57bf4b915df9118fd2a584c74ba00c61531d922431b72e87f9c53585c4c1a78a2aba122a22ea5e3603aa06ba

    • SSDEEP

      1536:KIUme0cxdlOH4PAI7Bn3h36rAi8EjZUPMwC/eqmmRhdWVH1bfbfPmjmwzUYbVclN:KIUm3cxdlOH4YI7Bn3h36rAi8EVUPMwv

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Target

      win7/win5.exe

    • Size

      13.8MB

    • MD5

      2639068bf1e1de3ccae340e6bee3e548

    • SHA1

      3eec25d70e72e94085b854a07af032d3e4df7c70

    • SHA256

      d8bbee1d3eee12b9d710cc892d767469578a511a8149ada07a05dfbee89941bf

    • SHA512

      45ada1b47ab66e2c5f9e9344fd0d2e3b759a738ff4a970138ab8253dd12c55d7fe9cce5a9c3bb23c9c52a7d6d46ff6a0f86381d64bfd19ae8b1b1f222040cb6f

    • SSDEEP

      196608:ugFgX7miZ0sKYu/PaQqtG7fpDOjmFpMRxtYSHdKiy4kdai7bN3mDRI1p+CbbPlaJ:LFDQQYGVKKSphMB3Q1sDVaJ

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Target

      win7/win6.exe

    • Size

      8.5MB

    • MD5

      54da1e18625df8635098673f7910ef0a

    • SHA1

      a7093de871853b6b2ee0a506dc2e40d56f2b2cea

    • SHA256

      0ec75e29acf2a905f1061e1c051bd34ef6ba01e216f8cf0f43db983eb0e6d5a4

    • SHA512

      1d50dc05bd4e74fbf19bf492ba35111af75167d7822ba866e6557b8fa3090795c990b7ce1fa3a88cba9e315b51b8212fa6e32fcd9ffc1514f007f30d8fa2820f

    • SSDEEP

      196608:3ZpWwkjiVXF4ckmkXnVFPQ/WQ9pQeHSXhLZmftMbjUFrNWk:3FVV41lFPpQ9GdxMftMbjkN5

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Event Triggered Execution

2
T1546

Netsh Helper DLL

2
T1546.007

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Event Triggered Execution

2
T1546

Netsh Helper DLL

2
T1546.007

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Remote System Discovery

2
T1018

Collection

Data from Local System

4
T1005

Tasks