Analysis

  • max time kernel
    16s
  • max time network
    114s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    15-01-2021 12:47

General

  • Target

    SecuriteInfo.com.Generic.mg.09461dab9ffe230c.28739.exe

  • Size

    4.0MB

  • MD5

    09461dab9ffe230c400ef832ebe00e98

  • SHA1

    fc651c3527ab07f0179b0a81b5df5378cd94f6b5

  • SHA256

    dbe304c73dd112440af84be5faeea3f2a417c76bbea5e07bd65f0ddae141198d

  • SHA512

    e449696e88080e2badb53e7fb62f364c6b2c00aacffe102c1151db20f4b548d81c8664ef87aa206de1809baa2ed57534f6f1ab5440135eeb377e92c7c05bafc7

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main Payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Delays execution with timeout.exe 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 33 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.09461dab9ffe230c.28739.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.09461dab9ffe230c.28739.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1336
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1060
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1376
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:556
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.09461dab9ffe230c.28739.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.09461dab9ffe230c.28739.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:572

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/556-11-0x0000000000000000-mapping.dmp
  • memory/572-12-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/572-17-0x00000000748D0000-0x0000000074FBE000-memory.dmp
    Filesize

    6.9MB

  • memory/572-15-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/572-14-0x0000000000400000-0x0000000000486000-memory.dmp
    Filesize

    536KB

  • memory/572-13-0x000000000048174E-mapping.dmp
  • memory/848-3-0x00000000009F0000-0x00000000009F1000-memory.dmp
    Filesize

    4KB

  • memory/848-5-0x0000000004360000-0x00000000043F0000-memory.dmp
    Filesize

    576KB

  • memory/848-2-0x00000000748D0000-0x0000000074FBE000-memory.dmp
    Filesize

    6.9MB

  • memory/1060-7-0x0000000000000000-mapping.dmp
  • memory/1336-6-0x0000000000000000-mapping.dmp
  • memory/1376-8-0x0000000000000000-mapping.dmp
  • memory/1580-10-0x0000000000000000-mapping.dmp
  • memory/1680-9-0x0000000000000000-mapping.dmp