Analysis

  • max time kernel
    10s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 19:45

General

  • Target

    SecuriteInfo.com.Win32.Herz.B.21271.15275.exe

  • Size

    855KB

  • MD5

    4141eca3c3f8fef9dd9386f5a97d1730

  • SHA1

    0dcdf961da9fe9e4b3e1e70895a9e3bea43b8487

  • SHA256

    e5d73714c09ee0fe864523ce30b3bd1a77190adedd278861df0a3ba22bea2d9f

  • SHA512

    9653de22a4a22e53e5c76a62dbcdfd1e67c40e61d172b085afd1bdd4e14505e70726a4a452f78865a8e2f0e7cda2589de65cd580749488758b8e39ce733e923a

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Herz.B.21271.15275.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Herz.B.21271.15275.exe"
    1⤵
    • Enumerates system info in registry
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c ping 127.0.0.1 && del "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.Herz.B.21271.15275.exe"
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1192

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Replay Monitor

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Downloads

  • memory/568-1-0x0000000000000000-mapping.dmp
  • memory/1192-2-0x0000000000000000-mapping.dmp
  • memory/1664-0-0x000007FEF63D0000-0x000007FEF664A000-memory.dmp
    Filesize

    2.5MB