Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    09-05-2021 15:52

General

  • Target

    c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe

  • Size

    34KB

  • MD5

    ea08eda0ebfe0b8d19eba09b0b10606a

  • SHA1

    0d40e71473f63c4af1e3290fa54c7e99340595ef

  • SHA256

    c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839

  • SHA512

    4277efb532aae4bc783a199d45ba9203910c72b0ca13c989ca706fe311d3f2342293ac8be7a27d2d5647d9c73c90e76c5c7f9b84d320ff1389c3a8a05714bd45

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\c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe
    "C:\Users\Admin\AppData\Local\Temp\c09b3fb462ff1463c60152469d0dc8a51a21166dc6c98112c36978e1ae079839.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Local\Temp\szgfw.exe
      "C:\Users\Admin\AppData\Local\Temp\szgfw.exe"
      2⤵
      • Executes dropped EXE
      PID:1744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    a9f2807ac2565d7f73a3c26fbf631ace

    SHA1

    de058a9ea5dd1238dddc36d6b34ddf15e3508d3b

    SHA256

    65c585e701cda3c21a7884fae8f7b3e5492347b48f6e6787a9cc13f5f62b3c5e

    SHA512

    d31c49e58e43b158216843e5aa5e21a2943cacce4cdd4e2ae6efaac1096a44820344713167b14023a1333b3aa041fec801c13f282e8cfcc1e36baa0f46b8a138

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

    MD5

    a9f2807ac2565d7f73a3c26fbf631ace

    SHA1

    de058a9ea5dd1238dddc36d6b34ddf15e3508d3b

    SHA256

    65c585e701cda3c21a7884fae8f7b3e5492347b48f6e6787a9cc13f5f62b3c5e

    SHA512

    d31c49e58e43b158216843e5aa5e21a2943cacce4cdd4e2ae6efaac1096a44820344713167b14023a1333b3aa041fec801c13f282e8cfcc1e36baa0f46b8a138

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

    MD5

    a9f2807ac2565d7f73a3c26fbf631ace

    SHA1

    de058a9ea5dd1238dddc36d6b34ddf15e3508d3b

    SHA256

    65c585e701cda3c21a7884fae8f7b3e5492347b48f6e6787a9cc13f5f62b3c5e

    SHA512

    d31c49e58e43b158216843e5aa5e21a2943cacce4cdd4e2ae6efaac1096a44820344713167b14023a1333b3aa041fec801c13f282e8cfcc1e36baa0f46b8a138

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

    MD5

    a9f2807ac2565d7f73a3c26fbf631ace

    SHA1

    de058a9ea5dd1238dddc36d6b34ddf15e3508d3b

    SHA256

    65c585e701cda3c21a7884fae8f7b3e5492347b48f6e6787a9cc13f5f62b3c5e

    SHA512

    d31c49e58e43b158216843e5aa5e21a2943cacce4cdd4e2ae6efaac1096a44820344713167b14023a1333b3aa041fec801c13f282e8cfcc1e36baa0f46b8a138

  • memory/1652-60-0x00000000754F1000-0x00000000754F3000-memory.dmp

    Filesize

    8KB

  • memory/1652-66-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/1744-63-0x0000000000000000-mapping.dmp