Analysis

  • max time kernel
    62s
  • max time network
    64s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2022 19:46

General

  • Target

    SecuriteInfo.com.Malicious_Behavior.SB.29614.19372.exe

  • Size

    1.2MB

  • MD5

    d3d1c599e9be0b80dae0078107f66349

  • SHA1

    ab9303aa6f5c3f13ad9dc52a25cedc1ffff81a45

  • SHA256

    4b5393731fe1fc36d0e188b5e38defd0ba84a865efdd9e944065c1831a412f33

  • SHA512

    f0e6198036458245648c641dd16ce2b1d2ea7d8925256882b1c289f290cc2255c7943fa225b299b80846aa0b349d2032b930786bc35f91e98569ec2edfbe2349

  • SSDEEP

    24576:EpjZnbCkI13pDOx5ZhIthM8pnQPbQ6TU8fMfrIBnG30YCo:EpjZnbCkIFOQthTQDQ3wMTIBn+9

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 1 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • 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 behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Malicious_Behavior.SB.29614.19372.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Malicious_Behavior.SB.29614.19372.exe"
    1⤵
    • Checks computer location settings
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:624

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

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/624-54-0x0000000001120000-0x000000000125C000-memory.dmp
    Filesize

    1.2MB

  • memory/624-55-0x0000000075F01000-0x0000000075F03000-memory.dmp
    Filesize

    8KB

  • memory/624-56-0x0000000000370000-0x0000000000388000-memory.dmp
    Filesize

    96KB

  • memory/624-57-0x00000000004C0000-0x00000000004CC000-memory.dmp
    Filesize

    48KB

  • memory/624-58-0x0000000008090000-0x0000000008166000-memory.dmp
    Filesize

    856KB

  • memory/624-59-0x0000000005D90000-0x0000000005E2E000-memory.dmp
    Filesize

    632KB

  • memory/624-60-0x0000000006140000-0x00000000061C4000-memory.dmp
    Filesize

    528KB

  • memory/624-61-0x0000000000CE5000-0x0000000000CF6000-memory.dmp
    Filesize

    68KB