General

  • Target

    aa40c4ef4b203519caee4277630754e4_JaffaCakes118

  • Size

    1.1MB

  • Sample

    240614-r6dq1syfnp

  • MD5

    aa40c4ef4b203519caee4277630754e4

  • SHA1

    5c1f63e4c7508c4acbcce75cc774929353fb649d

  • SHA256

    ec9281b1e4cbbcb084368da146fd13f55d33aa8b7d8214cadbc0f6b707ef893f

  • SHA512

    fa97ca4d10bd262c48a7bdaa3be66f9e3584e3bcedecb57c263edf8bcde5feb73f4a204582044c102adcd88152765b3c97ded6dcabe0283f0cdbe236e30f18a2

  • SSDEEP

    24576:iFBrny7d7eqq2Z32fy/VCTK9kM/wAG8qJ5A0Cr:i4kV2h2fMgTK9kMXFqJ5ALr

Malware Config

Targets

    • Target

      aa40c4ef4b203519caee4277630754e4_JaffaCakes118

    • Size

      1.1MB

    • MD5

      aa40c4ef4b203519caee4277630754e4

    • SHA1

      5c1f63e4c7508c4acbcce75cc774929353fb649d

    • SHA256

      ec9281b1e4cbbcb084368da146fd13f55d33aa8b7d8214cadbc0f6b707ef893f

    • SHA512

      fa97ca4d10bd262c48a7bdaa3be66f9e3584e3bcedecb57c263edf8bcde5feb73f4a204582044c102adcd88152765b3c97ded6dcabe0283f0cdbe236e30f18a2

    • SSDEEP

      24576:iFBrny7d7eqq2Z32fy/VCTK9kM/wAG8qJ5A0Cr:i4kV2h2fMgTK9kMXFqJ5ALr

    • MassLogger

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

    • MassLogger Main payload

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks