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Overview

overview

10

Static

static

1

service_updated.exe

windows7-x64

3

service_updated.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    service_updated.exe

  • Size

    26KB

  • Sample

    230315-avjdpace3w

  • MD5

    0ba94632c859dabbdeb1c68ebd7ca34d

  • SHA1

    70f25b976fb529d4826d9560288560d7c3f5b63e

  • SHA256

    f2ade3ae8bf5ba063e0c5911c2996bafa09de659b23bbd3014747e12a378724e

  • SHA512

    be6889837f1556dfde6334ab3dd9245694d79a1495c4be86eecc0ba2695beeaaa4aebfd5fd9e27cdceea2a2e6a65e7624efce48c0ba92bc3f8550d5c914d5ef0

  • SSDEEP

    384:IJJo2hYvWMUMGYZapeJiPRQMFWsXrMTW4g1CwL1CyDb+/cG7mljCD0m3HtnX:JEH1eJiJVXrM41v1C8bpCaCgm3HtX

Score
10/10
asyncratdefaultevasionrat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    10

  • install

    true

  • install_file

    csrss.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/3Z9zi18j

aes.plain

Targets

    • Target

      service_updated.exe

    • Size

      26KB

    • MD5

      0ba94632c859dabbdeb1c68ebd7ca34d

    • SHA1

      70f25b976fb529d4826d9560288560d7c3f5b63e

    • SHA256

      f2ade3ae8bf5ba063e0c5911c2996bafa09de659b23bbd3014747e12a378724e

    • SHA512

      be6889837f1556dfde6334ab3dd9245694d79a1495c4be86eecc0ba2695beeaaa4aebfd5fd9e27cdceea2a2e6a65e7624efce48c0ba92bc3f8550d5c914d5ef0

    • SSDEEP

      384:IJJo2hYvWMUMGYZapeJiPRQMFWsXrMTW4g1CwL1CyDb+/cG7mljCD0m3HtnX:JEH1eJiJVXrM41v1C8bpCaCgm3HtX

    Score
    10/10
    asyncratdefaultevasionrat

    • AsyncRat

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

      ratasyncrat

    • Async RAT payload

      rat

    • Downloads MZ/PE file

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks