General

  • Target

    sample

  • Size

    166KB

  • Sample

    230402-p1w93ahf7z

  • MD5

    e9f3c579082d4dec3be9a0843ebb714d

  • SHA1

    ca4f021a74a2dcaa261aea15e733b4963abea402

  • SHA256

    115ceee009e27b1ce12ff2b893e1bd08e3e9690c6ca79e1313784ccd0a74e06e

  • SHA512

    3a41247b3f5cba5715451f25e2104fb9b2434dcd7d90741cdddc211d76e40584e2c69229772e1e70aa4b7dc504baf005159b89e1bb3368413b8c046a3e9c06f9

  • SSDEEP

    1536:GCiT3szXIrtFR8T2CVeKZwCcGnrvBwuDuEYqNXsy5jJH5cgH0vsrn5HSd/JZXjcT:PJzEtn3aE1CgaH

Malware Config

Targets

    • Target

      sample

    • Size

      166KB

    • MD5

      e9f3c579082d4dec3be9a0843ebb714d

    • SHA1

      ca4f021a74a2dcaa261aea15e733b4963abea402

    • SHA256

      115ceee009e27b1ce12ff2b893e1bd08e3e9690c6ca79e1313784ccd0a74e06e

    • SHA512

      3a41247b3f5cba5715451f25e2104fb9b2434dcd7d90741cdddc211d76e40584e2c69229772e1e70aa4b7dc504baf005159b89e1bb3368413b8c046a3e9c06f9

    • SSDEEP

      1536:GCiT3szXIrtFR8T2CVeKZwCcGnrvBwuDuEYqNXsy5jJH5cgH0vsrn5HSd/JZXjcT:PJzEtn3aE1CgaH

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Sets service image path in registry

    • 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.

    • Registers COM server for autorun

    • Windows security modification

    • Adds Run key to start application

    • 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.

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

Persistence

Registry Run Keys / Startup Folder

3
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

5
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Security Software Discovery

1
T1063

Query Registry

6
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

5
T1082

Collection

Data from Local System

1
T1005

Tasks