Overview

overview

10

Static

static

10

05b1080658...61.exe

windows7-x64

10

05b1080658...61.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    a7f473e14b7c3e56561ff51f87b2f279.bin

  • Size

    22KB

  • Sample

    230323-b1992acg29

  • MD5

    4e8c30204ecc65221cbc2877ce41ec75

  • SHA1

    ac7bb9a7868f1622f8236503704f7f986e4cf972

  • SHA256

    1887fa1977cff3ff0c883ec2659c06d88f344902b515bece48e599790411b1d8

  • SHA512

    bc8424c1cacd6ae83ebb561d73d239ed8b365c9bf9b573f8525d853f4eb5d2f8fcf263cbe6047eefdec19014ec9bffe9060ddf5af897cd4c3fa99648c2a48ddb

  • SSDEEP

    384:wzMerRqnjraRiLt+X/Uzpm3mAsLb+ny/+nqoQaLNW5M5+YzUosqfv2x/lmxzpbDh:wz98jrEau/Uzpm3mDb2s+nqwQO5BztXl

Score
10/10
asyncratcom surrogaterat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

COM Surrogate

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:1604

127.0.0.1:14576

127.0.0.1:15074

4.tcp.eu.ngrok.io:6606

4.tcp.eu.ngrok.io:7707

4.tcp.eu.ngrok.io:8808

4.tcp.eu.ngrok.io:1604

4.tcp.eu.ngrok.io:14576

4.tcp.eu.ngrok.io:15074

7.tcp.eu.ngrok.io:6606

7.tcp.eu.ngrok.io:7707

7.tcp.eu.ngrok.io:8808

7.tcp.eu.ngrok.io:1604

7.tcp.eu.ngrok.io:14576

7.tcp.eu.ngrok.io:15074
Mutex

COM Surrogate

Attributes
  • delay

    3

  • install

    true

  • install_file

    Microsoftfixer.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      05b1080658b2c922f7becdb930e8f9fc34822b27982a4d89784f335565df7361.exe

    • Size

      45KB

    • MD5

      a7f473e14b7c3e56561ff51f87b2f279

    • SHA1

      799bb3816916db3e6e92ff665c34e020cf444859

    • SHA256

      05b1080658b2c922f7becdb930e8f9fc34822b27982a4d89784f335565df7361

    • SHA512

      eb118655b71c4b04cc9da4de9f943b98ce9c7ca562835a39a757a4e5f333da0fdcb39c34eec0f5351855875a301078ecc96126af32c17f4f1eff512c4cdc5e69

    • SSDEEP

      768:TuERVThg5RXWUr/+1mo2qD84lNVx1VEHUPIKFjbmgX3inm6AhL1uQHQoBDZTx:TuERVThaa2AlQKNb5XSTApHdTx

    Score
    10/10
    asyncratcom surrogaterat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks