General

  • Target

    tmp

  • Size

    865KB

  • Sample

    230325-remvlsfb3x

  • MD5

    bf2f107bd78e2a8888f9b72bb0f53e14

  • SHA1

    ac080f8c59943629e414a30455085ff283490b26

  • SHA256

    149da12f4493232f304823a53346c7d88d3a1e3d6229834ea2218f849d1d1949

  • SHA512

    007fc733a819a250f05b50717437e8fe74c6d759b330df1367938e946e8d6adb7c0aa8d2b0f15aa04deef4210a2afe0ce84137c18880bf3d95aa14739e8f17f9

  • SSDEEP

    24576:xCOI2pwMzk68ysHPot72W6u99z6Zlu/Kz0xaYVC3U6m+Y7w0XDwD6k0:UOzz6yugt6ZuTz6Zlf08P3U6mRM4DC6f

Malware Config

Targets

    • Target

      tmp

    • Size

      865KB

    • MD5

      bf2f107bd78e2a8888f9b72bb0f53e14

    • SHA1

      ac080f8c59943629e414a30455085ff283490b26

    • SHA256

      149da12f4493232f304823a53346c7d88d3a1e3d6229834ea2218f849d1d1949

    • SHA512

      007fc733a819a250f05b50717437e8fe74c6d759b330df1367938e946e8d6adb7c0aa8d2b0f15aa04deef4210a2afe0ce84137c18880bf3d95aa14739e8f17f9

    • SSDEEP

      24576:xCOI2pwMzk68ysHPot72W6u99z6Zlu/Kz0xaYVC3U6m+Y7w0XDwD6k0:UOzz6yugt6ZuTz6Zlf08P3U6mRM4DC6f

    • Generic Chinese Botnet

      A botnet originating from China which is currently unnamed publicly.

    • Chinese Botnet payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Discovery

Query Registry

3
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

4
T1082

Tasks