General

  • Target

    df2c30b656736db75a14747f344d78b6b176434ef09dc55ec0a074089bbdad02

  • Size

    978KB

  • Sample

    210511-kwgh8mlaxs

  • MD5

    4e7d0d586916391e3fc0db565ea914fb

  • SHA1

    a318f2992a662c6798d65264e4dab218ba050051

  • SHA256

    df2c30b656736db75a14747f344d78b6b176434ef09dc55ec0a074089bbdad02

  • SHA512

    b48841516cfbeddde6cf3a58bc2784f704a39d34882dcec7a07ca0ed293856055405ec7aa088049747fe959899d91836e46d94029bd933fa09776a8e9aae7eff

Malware Config

Targets

    • Target

      df2c30b656736db75a14747f344d78b6b176434ef09dc55ec0a074089bbdad02

    • Size

      978KB

    • MD5

      4e7d0d586916391e3fc0db565ea914fb

    • SHA1

      a318f2992a662c6798d65264e4dab218ba050051

    • SHA256

      df2c30b656736db75a14747f344d78b6b176434ef09dc55ec0a074089bbdad02

    • SHA512

      b48841516cfbeddde6cf3a58bc2784f704a39d34882dcec7a07ca0ed293856055405ec7aa088049747fe959899d91836e46d94029bd933fa09776a8e9aae7eff

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with macros.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Security Software Discovery

1
T1063

Tasks