Resubmissions

13-02-2023 08:38

230213-kj1hyaca52 10

03-02-2023 20:49

230203-zmcnlsee6w 10

General

  • Target

    14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb

  • Size

    172KB

  • Sample

    230203-zmcnlsee6w

  • MD5

    a9fe419d1a7c914e4bcb26ba2d564338

  • SHA1

    287d701de4ece28a6b0245c89b2ea488c6fee16b

  • SHA256

    14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb

  • SHA512

    5ea544d93d2d19614e006f4b1762cb3e5d886e130c1fe77973cf83f2bac02dd9ea58eea0ac428e08bec65e03f1f37b41da3608f8a817d0a42dab49ee4b9f9cb9

  • SSDEEP

    1536:v+ac9URWzKr7PhuuUpV7+5JTiy95UuUCQahsf5mZIWiwwr7QXsouW2ASDDA6rRcS:v+apWaxa7Dy956S2j4xnsvXtPdSaeW

Malware Config

Targets

    • Target

      14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb

    • Size

      172KB

    • MD5

      a9fe419d1a7c914e4bcb26ba2d564338

    • SHA1

      287d701de4ece28a6b0245c89b2ea488c6fee16b

    • SHA256

      14d6746a7475a0f8cd26d1d30403688e8d36cdc3f093e159f5882dc614a0cccb

    • SHA512

      5ea544d93d2d19614e006f4b1762cb3e5d886e130c1fe77973cf83f2bac02dd9ea58eea0ac428e08bec65e03f1f37b41da3608f8a817d0a42dab49ee4b9f9cb9

    • SSDEEP

      1536:v+ac9URWzKr7PhuuUpV7+5JTiy95UuUCQahsf5mZIWiwwr7QXsouW2ASDDA6rRcS:v+apWaxa7Dy956S2j4xnsvXtPdSaeW

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • XMRig Miner payload

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Tasks