General

  • Target

    vzlom-kamer-by-neit_wcEYk7hQ.exe

  • Size

    4.5MB

  • Sample

    230329-x57wcsbc7x

  • MD5

    fe0f3853a9f25f71af7a13b313d8521b

  • SHA1

    d868f1263393e0440605abe012e6a7626b12bca9

  • SHA256

    b89f3ebe1ac94726b821a3c23464236586364d2756881a32bef853e7183739ab

  • SHA512

    ea878fd94bee5aa1bc77e64fa6350e6ddcb2d88c32e341ab320701af1feefd424167a46f863c5d1c5226448fe8539f4c8f76e76b6ec49ee2674438ac0bea7a76

  • SSDEEP

    98304:nP4tWsF8pOX+Q9WZps5699OChBZ/MrbmY2NTeM6T/Mn:P4tWsFNX+9I61hBZ8bm9TW/Mn

Malware Config

Extracted

Family

gcleaner

C2

85.31.45.39

85.31.45.250

85.31.45.251

85.31.45.88

Targets

    • Target

      vzlom-kamer-by-neit_wcEYk7hQ.exe

    • Size

      4.5MB

    • MD5

      fe0f3853a9f25f71af7a13b313d8521b

    • SHA1

      d868f1263393e0440605abe012e6a7626b12bca9

    • SHA256

      b89f3ebe1ac94726b821a3c23464236586364d2756881a32bef853e7183739ab

    • SHA512

      ea878fd94bee5aa1bc77e64fa6350e6ddcb2d88c32e341ab320701af1feefd424167a46f863c5d1c5226448fe8539f4c8f76e76b6ec49ee2674438ac0bea7a76

    • SSDEEP

      98304:nP4tWsF8pOX+Q9WZps5699OChBZ/MrbmY2NTeM6T/Mn:P4tWsFNX+9I61hBZ8bm9TW/Mn

    • GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Modifies Windows Defender Real-time Protection settings

    • Downloads MZ/PE file

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

5
T1012

System Information Discovery

5
T1082

Security Software Discovery

1
T1063

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Tasks