Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    11-05-2021 13:18

General

  • Target

    b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe

  • Size

    2.1MB

  • MD5

    6cf44afa4d6b8ad8d30341380e791c85

  • SHA1

    c86558a81852587727fd8f2ef2d5fbc112e87690

  • SHA256

    b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78

  • SHA512

    90f2f8686cf11b694e5fd4c2b2dd5739a83a409535c9a3b2970836faec0be7d7a351436e5efa7e5e39e607879fcdc4031a7fc81bb2406348be769d02f1049849

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe
    "C:\Users\Admin\AppData\Local\Temp\b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Users\Admin\AppData\Local\Temp\._cache_b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe"
      2⤵
      • Executes dropped EXE
      PID:4068
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:200

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    c1f4950bf75e701033239f779276f76d

    SHA1

    d42464a9819d10111a8bac41c6960e5aa3c684aa

    SHA256

    a7521491c9217288bc3ba91b224e2d8597e975cf778daf2773ed7761c720169e

    SHA512

    9b5d732597ba0e4a92ff2b5a56e2c05d292d6570485253dce940fec08d3dff419b117f9903287945ab36a0a825d663dbaa1fbe8f8bf9e6da1b8d5a1e3dedbf4a

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    c1f4950bf75e701033239f779276f76d

    SHA1

    d42464a9819d10111a8bac41c6960e5aa3c684aa

    SHA256

    a7521491c9217288bc3ba91b224e2d8597e975cf778daf2773ed7761c720169e

    SHA512

    9b5d732597ba0e4a92ff2b5a56e2c05d292d6570485253dce940fec08d3dff419b117f9903287945ab36a0a825d663dbaa1fbe8f8bf9e6da1b8d5a1e3dedbf4a

  • C:\Users\Admin\AppData\Local\Temp\._cache_b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe
    MD5

    b0356f9db8ea7246a96ea7afb199781e

    SHA1

    eeedb16475eed0e3bd221cd2d1aadf04ca6c097b

    SHA256

    0049923b96cf7bc9a1a2bb292b49557a64e54acc2232ceab284e4d503428f2e9

    SHA512

    d216eb4af7f45a38d2a1aaafe689cb1af841c0a37d590a6be1bd94bd6df9482620a11ad8b6372a9aebe9775f93862b59f7935a2d62440022ef3b6bcf6a4b4949

  • C:\Users\Admin\AppData\Local\Temp\._cache_b0dcf69256832292ea2e1d3afc3cb2d52b936a4f559888f259ae71c505ef3e78.exe
    MD5

    b0356f9db8ea7246a96ea7afb199781e

    SHA1

    eeedb16475eed0e3bd221cd2d1aadf04ca6c097b

    SHA256

    0049923b96cf7bc9a1a2bb292b49557a64e54acc2232ceab284e4d503428f2e9

    SHA512

    d216eb4af7f45a38d2a1aaafe689cb1af841c0a37d590a6be1bd94bd6df9482620a11ad8b6372a9aebe9775f93862b59f7935a2d62440022ef3b6bcf6a4b4949

  • memory/200-118-0x0000000000000000-mapping.dmp
  • memory/200-121-0x00000000020E0000-0x00000000020E1000-memory.dmp
    Filesize

    4KB

  • memory/1828-114-0x0000000000620000-0x000000000076A000-memory.dmp
    Filesize

    1.3MB

  • memory/4068-115-0x0000000000000000-mapping.dmp