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General

  • Target

    f98b668ceaa88e9b0fda3b7f81295f5cd4aace2dd92fbdfa42fb51d26b0b88cb

  • Size

    144KB

  • Sample

    221127-mjd12sac84

  • MD5

    d2a4c19c8d54117fca3b77ae458c0e07

  • SHA1

    fb22c2ba501afd6c56b309a48a09e8d08339eb10

  • SHA256

    f98b668ceaa88e9b0fda3b7f81295f5cd4aace2dd92fbdfa42fb51d26b0b88cb

  • SHA512

    49a2fefe520317368dc83c8199485c87dc6745f4601537a18a492fae5aee998acaca5df8e54e312d950379b4b4307d927b23d42bbde2f2d28869fbf1d255fbfa

  • SSDEEP

    3072:CstajHKBvYXJLKLnNNx4yK1DdR2v1JR1M36bprWTrlZXA:CTq+4LNX01fi7G5TrjA

Malware Config

Targets

    • Target

      f98b668ceaa88e9b0fda3b7f81295f5cd4aace2dd92fbdfa42fb51d26b0b88cb

    • Size

      144KB

    • MD5

      d2a4c19c8d54117fca3b77ae458c0e07

    • SHA1

      fb22c2ba501afd6c56b309a48a09e8d08339eb10

    • SHA256

      f98b668ceaa88e9b0fda3b7f81295f5cd4aace2dd92fbdfa42fb51d26b0b88cb

    • SHA512

      49a2fefe520317368dc83c8199485c87dc6745f4601537a18a492fae5aee998acaca5df8e54e312d950379b4b4307d927b23d42bbde2f2d28869fbf1d255fbfa

    • SSDEEP

      3072:CstajHKBvYXJLKLnNNx4yK1DdR2v1JR1M36bprWTrlZXA:CTq+4LNX01fi7G5TrjA

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Registers COM server for autorun

    • Sets DLL path for service in the registry

    • UPX packed file

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

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks