Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 16:38

General

  • Target

    a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab.exe

  • Size

    340KB

  • MD5

    e60dc796c1866851a49fc1fadb4ce11c

  • SHA1

    5fe42c6efffdd1f56a34d8ae15f255330ff19b96

  • SHA256

    a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab

  • SHA512

    f9648ba0f2c25a9e58440bca11c16864aba00fae69f2fff7ef74056969edc5a15dc7ebf04de3a3d43e36e97f367ec5a9b3165e36625f19a905defd20a985d857

  • SSDEEP

    6144:W0/O0QDYcpYPc31QS7NXW81XbKF/f508ewjy3r3dAC3PUL5sCf0:W0/jcKPE1f1xp+G8ew+rdAwPRCM

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab.exe
    "C:\Users\Admin\AppData\Local\Temp\a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:1668
    • C:\ProgramData\iTydYDnIEECCG.exe
      C:\ProgramData\iTydYDnIEECCG.exe
      2⤵
      • Executes dropped EXE
      PID:1756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\iTydYDnIEECCG.exe

    Filesize

    340KB

    MD5

    e60dc796c1866851a49fc1fadb4ce11c

    SHA1

    5fe42c6efffdd1f56a34d8ae15f255330ff19b96

    SHA256

    a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab

    SHA512

    f9648ba0f2c25a9e58440bca11c16864aba00fae69f2fff7ef74056969edc5a15dc7ebf04de3a3d43e36e97f367ec5a9b3165e36625f19a905defd20a985d857

  • \ProgramData\iTydYDnIEECCG.exe

    Filesize

    340KB

    MD5

    e60dc796c1866851a49fc1fadb4ce11c

    SHA1

    5fe42c6efffdd1f56a34d8ae15f255330ff19b96

    SHA256

    a2f7acf774d8041ccbc70216d53e48b35c53ca616768ec1dc082fb28669837ab

    SHA512

    f9648ba0f2c25a9e58440bca11c16864aba00fae69f2fff7ef74056969edc5a15dc7ebf04de3a3d43e36e97f367ec5a9b3165e36625f19a905defd20a985d857

  • memory/1668-54-0x0000000075071000-0x0000000075073000-memory.dmp

    Filesize

    8KB

  • memory/1668-55-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB

  • memory/1668-56-0x0000000000400000-0x0000000000471000-memory.dmp

    Filesize

    452KB