Overview

overview

10

Static

static

10

idk.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    idk.exe

  • Size

    47KB

  • Sample

    240726-ync54a1dnr

  • MD5

    90024e24cd2d9802a11db72ed44af7db

  • SHA1

    ae7f19111ab5d7150688816c01ebc07027bace24

  • SHA256

    2308fb26ad2f82a33c838bc6f84b37b213dbbf8e106532410698f317cbf4ed5f

  • SHA512

    cfb02a7233b832d029ba561498a5af4a3387a2796c1840b1035c2fa178c798a2490e4e67ad3feb5418496dae3404a929452905aaa5216c1686f4a8742e73efbb

  • SSDEEP

    768:xGq+s3pUtDILNCCa+Di96vn8AUpi4p8Ybrg0gAZJBN18dPHvVvEgK/JLZVc6KN:8q+AGtQO96UAWzbU748PVnkJLZVclN

Score
10/10
asyncratdefaultdiscoveryransomwarerat

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

127.0.0.1:8848

127.0.0.1:37029

147.185.221.21:8848

147.185.221.21:37029
Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      idk.exe

    • Size

      47KB

    • MD5

      90024e24cd2d9802a11db72ed44af7db

    • SHA1

      ae7f19111ab5d7150688816c01ebc07027bace24

    • SHA256

      2308fb26ad2f82a33c838bc6f84b37b213dbbf8e106532410698f317cbf4ed5f

    • SHA512

      cfb02a7233b832d029ba561498a5af4a3387a2796c1840b1035c2fa178c798a2490e4e67ad3feb5418496dae3404a929452905aaa5216c1686f4a8742e73efbb

    • SSDEEP

      768:xGq+s3pUtDILNCCa+Di96vn8AUpi4p8Ybrg0gAZJBN18dPHvVvEgK/JLZVc6KN:8q+AGtQO96UAWzbU748PVnkJLZVclN

    Score
    10/10
    asyncratdefaultdiscoveryransomwarerat

    • AsyncRat

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

      ratasyncrat

    • Renames multiple (2184) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Checks computer location settings

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

    • Drops file in System32 directory

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Browser Information Discovery

1
T1217

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks