General

  • Target

    78c12e107561655fed35af72ed4c7400.bin

  • Size

    22.0MB

  • Sample

    240620-dzx97a1ann

  • MD5

    db4ce6e3aeb6d6a05acf51cee9e272c2

  • SHA1

    eec142f9b15f7fd33c6d2963c01bdfc59e21c451

  • SHA256

    6c793eaf5b5b700aeed6cad66aa3bff7499bf8b1815cf09d5a39e2403da5dbfd

  • SHA512

    ef710e27858cc7116c25f796becd63483fff6afe7846f6ed109a1ade80d937510c299b9e4df7e2aad813a901a3169a84b5993c9ad2b1b09ef82d71867e58f2da

  • SSDEEP

    393216:cIqXL+PhiobrQWZ7oJZrV18/n2su9s4bOlhgFRDu/TU/H9PyKUDlk40DgVQaskoe:cIqXyEobJuJ8/nichmRITU/HJyL0pQoe

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

    Score
    7/10
    • 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

    • 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

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
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