General

  • Target

    e00d79d79815ef47cf0d5ec5f3e76656.exe

  • Size

    830KB

  • Sample

    210506-yegy9krcxa

  • MD5

    e00d79d79815ef47cf0d5ec5f3e76656

  • SHA1

    79efabc933ddf9406da1a761d60bfe453a930a06

  • SHA256

    6e8dafc9ac2e48e6b42dd15ce4c49d0dc0a83e6ca93fafeec8b87244ec05dea0

  • SHA512

    ce6983ff7ec3e3dd0ccb53ce93e8a3f8164da2d919defdf44d5ef6f7faab6ace375a58846e29836743018a8a9ff8917fc05e9d277b2aeead577b9aad33b20652

Malware Config

Targets

    • Target

      e00d79d79815ef47cf0d5ec5f3e76656.exe

    • Size

      830KB

    • MD5

      e00d79d79815ef47cf0d5ec5f3e76656

    • SHA1

      79efabc933ddf9406da1a761d60bfe453a930a06

    • SHA256

      6e8dafc9ac2e48e6b42dd15ce4c49d0dc0a83e6ca93fafeec8b87244ec05dea0

    • SHA512

      ce6983ff7ec3e3dd0ccb53ce93e8a3f8164da2d919defdf44d5ef6f7faab6ace375a58846e29836743018a8a9ff8917fc05e9d277b2aeead577b9aad33b20652

    • Deletes Windows Defender Definitions

      Uses mpcmdrun utility to delete all AV definitions.

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of web browsers

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

    • Accesses 2FA software files, possible credential harvesting

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Execution

Command-Line Interface

1
T1059

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Impair Defenses

1
T1562

File Permissions Modification

1
T1222

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks