Analysis

  • max time kernel
    152s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    03-07-2022 04:13

General

  • Target

    3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe

  • Size

    6KB

  • MD5

    52bc0188ba93adafc4bf811f89d4ff3f

  • SHA1

    85a53b0b39932489b28f348af4b346796b85d056

  • SHA256

    3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1

  • SHA512

    c725d0ca33fff006dfaaf64f3e4300f49885e96bae165920710eca4db2e0c399b94e8ac5dc08c0ab9ad14608ec0691bdee0bc55a3f06efbd11d261a17bffcc97

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

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

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe
    "C:\Users\Admin\AppData\Local\Temp\3d1c1a676b271612ebca5d9f019730e2505092b5a507accc1e2b1460dee79da1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1864

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    138337ca239b590aae9553e75c372ae3

    SHA1

    27c2d358062528eec3c229b8ac102b8d0814d5fe

    SHA256

    bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

    SHA512

    000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

  • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
    Filesize

    6KB

    MD5

    138337ca239b590aae9553e75c372ae3

    SHA1

    27c2d358062528eec3c229b8ac102b8d0814d5fe

    SHA256

    bcb5f68f14b6f1fc37d00ae6fa1a17c77ff9aa8162661f9761eb0fe6f90d65ea

    SHA512

    000016b48b1ca4103daef18e46bc80c28b5c03a7d6f4dfa361b88d1b169450c5b84fb683766767e73d25e95e803457b1bb306ebaf4b10e47cb42591cd5aadbce

  • memory/1864-130-0x0000000000000000-mapping.dmp