Overview

overview

10

Static

static

New Purcha...er.exe

windows7_x64

10

New Purcha...er.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    9e67211ceec280aedb01a69a61241af34c484be69c160313408309c56a59214a

  • Size

    173KB

  • Sample

    220521-xkyrysfcbj

  • MD5

    8638c62d1217deb422a24e9e952bba02

  • SHA1

    cfc6ae58463e03da00c7d4c8fdeae33418381b16

  • SHA256

    9e67211ceec280aedb01a69a61241af34c484be69c160313408309c56a59214a

  • SHA512

    2787d3d26c0dbb15e5d8897b8c146d798caf30c0c15ca949fc218a4dd765571d80d1d7c4e2e3b25d664532d642ac262dca3d9817544e3207dabc582a626c9cb2

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

freshg.ddns.net:2256

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    logs.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      New Purchase Order.exe

    • Size

      287KB

    • MD5

      072c089d4dbca02a4ae028d984f4cc03

    • SHA1

      3bd3b2dd8b8876c64bf528ee503c5ff2a893f897

    • SHA256

      4c66ebb40e5abd92b6a6985e8409116c5424ebb9af0c320cbafb031698e5022c

    • SHA512

      3f2988a4f256e1b4cb07af531798d7d3bd445f27a81aecf15f200cc8aa1c2fdaff591e9865965468d651a7d578808550dfba95d959d74eb7a1abd3c667af67ac

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers.

      ratasyncrat

    • Async RAT payload

      rat

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    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

Impact

Tasks