Overview

overview

10

Static

static

1

fafaaff6d6...7e.exe

windows7-x64

10

fafaaff6d6...7e.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9d6a0c6c2e07cb1544f3fc1a7d7353cb42c122cb529d0e910ab65975196402cc

  • Size

    418KB

  • Sample

    240417-qeecssac5t

  • MD5

    b612e859cbda85d444d91055e4c30cab

  • SHA1

    a781f1de97831e68cee27fccafc08cbd2344648c

  • SHA256

    9d6a0c6c2e07cb1544f3fc1a7d7353cb42c122cb529d0e910ab65975196402cc

  • SHA512

    bc70fa871133ced316a3e0820e6fbf4f14b80f03e6a0a4c25f33a85ce8fd47dc8a82305db2032226a523ca3ba6e64327f14e6aed429fe5918fa26d1889255ff0

  • SSDEEP

    12288:GJAVkNAXR7G5/dmV8xFiE8CjGcJY6EtGgwaNn2J:GJHmJb6kv6EtGK2J

Score
10/10
asyncratdefaultrat

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

194.147.140.157:3361

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    msdtc.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      fafaaff6d67dd5702bf67e82ea12605ddc03797213ee5aaaed48fe6194cfe87e.exe

    • Size

      450KB

    • MD5

      ead981cd98146fabe078992943b0329d

    • SHA1

      a20ba9450187e13e3ed62e6beab4d2bec788df01

    • SHA256

      fafaaff6d67dd5702bf67e82ea12605ddc03797213ee5aaaed48fe6194cfe87e

    • SHA512

      a20fc11777c75d1062c16407b0f77098e93cdfa28afae053fd8671b56afc234c4bce9243dcd516adb95183a8d4aa58dafb850bd54c996c7507b2bf51c0fcb03a

    • SSDEEP

      12288:FZcdIu1fgsDbqonwXKI9SrWLcsz8tEaay4MF3kR:FHumsct9SaLcPtaEFi

    Score
    10/10
    asyncratdefaultrat

    • AsyncRat

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

      ratasyncrat

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks