Analysis

  • max time kernel
    150s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    13-05-2021 12:40

General

  • Target

    52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe

  • Size

    33KB

  • MD5

    ba32b6d1dc15af8c3420a0a7059f065d

  • SHA1

    86e306bbea4a35841aa55d01660b1ea63d4f13e9

  • SHA256

    52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2

  • SHA512

    843b5814325c2bf29b379ff5649a4c1f4c843efccb6f3fd9d014ffbabcacb70dff4eb17a3280fb8fdc0688709c8f637996f77e439184c576178684c5365a1464

Score
10/10

Malware Config

Signatures

  • Upatre

    Upatre is a generic malware downloader.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe
    "C:\Users\Admin\AppData\Local\Temp\52a4325b439b3bfb5bb9dddf9c01c6c9b27a7f2c3fb372d68d8570c7c270c6c2.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:604

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    3e2f8ae8f8d807e1522e211ec591faef

    SHA1

    ed7025603d05de8d137f2dce2a315d46dfb6f8e9

    SHA256

    d914e5d8b11aea1c72d8e03527e2a0313a1624b0f272e7a58154ab45e985dac0

    SHA512

    d3af6ca32b2dbed07c36e2ea48bf1250028fed5c33ea44a0c1792c6523627854efb2e8fe99b0cd89eca415b4b03f0d83d7d675ec5bc49e01af3030e93af6a1bb

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

    MD5

    3e2f8ae8f8d807e1522e211ec591faef

    SHA1

    ed7025603d05de8d137f2dce2a315d46dfb6f8e9

    SHA256

    d914e5d8b11aea1c72d8e03527e2a0313a1624b0f272e7a58154ab45e985dac0

    SHA512

    d3af6ca32b2dbed07c36e2ea48bf1250028fed5c33ea44a0c1792c6523627854efb2e8fe99b0cd89eca415b4b03f0d83d7d675ec5bc49e01af3030e93af6a1bb

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    3e2f8ae8f8d807e1522e211ec591faef

    SHA1

    ed7025603d05de8d137f2dce2a315d46dfb6f8e9

    SHA256

    d914e5d8b11aea1c72d8e03527e2a0313a1624b0f272e7a58154ab45e985dac0

    SHA512

    d3af6ca32b2dbed07c36e2ea48bf1250028fed5c33ea44a0c1792c6523627854efb2e8fe99b0cd89eca415b4b03f0d83d7d675ec5bc49e01af3030e93af6a1bb

  • \Users\Admin\AppData\Local\Temp\szgfw.exe

    MD5

    3e2f8ae8f8d807e1522e211ec591faef

    SHA1

    ed7025603d05de8d137f2dce2a315d46dfb6f8e9

    SHA256

    d914e5d8b11aea1c72d8e03527e2a0313a1624b0f272e7a58154ab45e985dac0

    SHA512

    d3af6ca32b2dbed07c36e2ea48bf1250028fed5c33ea44a0c1792c6523627854efb2e8fe99b0cd89eca415b4b03f0d83d7d675ec5bc49e01af3030e93af6a1bb

  • memory/604-62-0x0000000000000000-mapping.dmp

  • memory/1656-59-0x0000000075801000-0x0000000075803000-memory.dmp

    Filesize

    8KB

  • memory/1656-65-0x00000000003A0000-0x00000000003A1000-memory.dmp

    Filesize

    4KB