Resubmissions

13/10/2022, 16:27

221013-tx24csdcb6 10

13/10/2022, 16:20

221013-ttjgvachdp 10

General

  • Target

    CHEESE.bin

  • Size

    2.4MB

  • Sample

    221013-tx24csdcb6

  • MD5

    12ef571baf523c098fc4e96bb3759c21

  • SHA1

    b476dd2bed415fbbc9c96e4a33160d12bf8413bb

  • SHA256

    2180293a0c0b7340f85543d453c10e8f9a059b69a530428fe1858e92a7fa63c3

  • SHA512

    e4e2354ee21ede5f3a61c00ac9766736e55e23bd3577b5bc41a7f493b8143159ca8d771fad7af4ee4b7fd56be450b82651f0ce87b82e873119e9f1655ac7249a

  • SSDEEP

    24576:DYof7x+kxP2gEDiYbYXQZCsuMUTSyzdvi1ucvgDfR1JJMK3LTiF+cTl3RuQ5531C:kozx+kxugEaYu1JJMK3n/al3Q

Malware Config

Extracted

Family

erbium

C2

http://77.73.133.53/cloud/index.php

Targets

    • Target

      CHEESE.bin

    • Size

      2.4MB

    • MD5

      12ef571baf523c098fc4e96bb3759c21

    • SHA1

      b476dd2bed415fbbc9c96e4a33160d12bf8413bb

    • SHA256

      2180293a0c0b7340f85543d453c10e8f9a059b69a530428fe1858e92a7fa63c3

    • SHA512

      e4e2354ee21ede5f3a61c00ac9766736e55e23bd3577b5bc41a7f493b8143159ca8d771fad7af4ee4b7fd56be450b82651f0ce87b82e873119e9f1655ac7249a

    • SSDEEP

      24576:DYof7x+kxP2gEDiYbYXQZCsuMUTSyzdvi1ucvgDfR1JJMK3LTiF+cTl3RuQ5531C:kozx+kxugEaYu1JJMK3n/al3Q

    • Erbium

      Erbium is an infostealer written in C++ and first seen in July 2022.

    • Modifies security service

    • xmrig

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

    • XMRig Miner payload

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Stops running service(s)

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks