General

  • Target

    97371d452110396d930cb53a8149fab7.exe

  • Size

    595KB

  • Sample

    200731-vwmh1qyeb6

  • MD5

    97371d452110396d930cb53a8149fab7

  • SHA1

    59beae27aec8495ed221d5b52c8d4883aa7336df

  • SHA256

    bc442d325a19719ed3271820fdec5e641d1ae4f2af2c9adf75b68f779d4cc1cb

  • SHA512

    1ff2bdcf66f7c73c7bcb882f3c66b0edf09ce0954420857b1b020fd68fbcb6062ba080fbe2d03731a0a4011807eba7d78abeb136722f4bb5b02486dc02805118

Malware Config

Targets

    • Target

      97371d452110396d930cb53a8149fab7.exe

    • Size

      595KB

    • MD5

      97371d452110396d930cb53a8149fab7

    • SHA1

      59beae27aec8495ed221d5b52c8d4883aa7336df

    • SHA256

      bc442d325a19719ed3271820fdec5e641d1ae4f2af2c9adf75b68f779d4cc1cb

    • SHA512

      1ff2bdcf66f7c73c7bcb882f3c66b0edf09ce0954420857b1b020fd68fbcb6062ba080fbe2d03731a0a4011807eba7d78abeb136722f4bb5b02486dc02805118

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Checks installed software on the system

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

    • JavaScript code in executable

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Program crash

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Tasks