Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2022 07:47

General

  • Target

    8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20.exe

  • Size

    1.4MB

  • MD5

    e3d9197418170a4821a3a4f29c40c295

  • SHA1

    5ec81300d81477e31150c9f263fa6d136a34c37c

  • SHA256

    8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20

  • SHA512

    5c0ddba37b7f50a4a7b9c805beceec77431acdd2b8a839018333df8eb663ccda152998adeaa545e6ae592b5ef47b0e3d2dd2bcf05713d44d2b6a87a3bdf07137

  • SSDEEP

    24576:kfOy67+f2m2mFGnO7vzd5R5ZZjBMz2UyG3QWx8kJKYvbieHfPmC2EBuSBVjEYAKw:kGp6ffxCu7Z5ZTMMrWKkles3FXBFBVAf

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20.exe
    "C:\Users\Admin\AppData\Local\Temp\8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Users\Admin\AppData\Local\Temp\is-EAH1Q.tmp\is-5E2KI.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-EAH1Q.tmp\is-5E2KI.tmp" /SL4 $60126 "C:\Users\Admin\AppData\Local\Temp\8d0a52e592a04c76d7f50ec4a51f6eeece7713d5248070b55128444cb84f9b20.exe" 1242075 55808
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      PID:1104

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\is-EAH1Q.tmp\is-5E2KI.tmp
    Filesize

    645KB

    MD5

    7a084972025ff9b3da070399f221202a

    SHA1

    9350b18cd6a0ebdcd74640a731a3801bfd278b1c

    SHA256

    00e7a8e988c85741b3dafb50d0800a528d06de93dcf5520541f0f29a012a5d90

    SHA512

    b551b17fc7f12bc7aed71fa7e410db5373542f0d8ce373d4932b086afa9e6cf561e6af61843f1511557635a4a0b51ca3804a8077be2f5c6981a0eba38bbf32a3

  • C:\Users\Admin\AppData\Local\Temp\is-EAH1Q.tmp\is-5E2KI.tmp
    Filesize

    645KB

    MD5

    7a084972025ff9b3da070399f221202a

    SHA1

    9350b18cd6a0ebdcd74640a731a3801bfd278b1c

    SHA256

    00e7a8e988c85741b3dafb50d0800a528d06de93dcf5520541f0f29a012a5d90

    SHA512

    b551b17fc7f12bc7aed71fa7e410db5373542f0d8ce373d4932b086afa9e6cf561e6af61843f1511557635a4a0b51ca3804a8077be2f5c6981a0eba38bbf32a3

  • \Users\Admin\AppData\Local\Temp\is-6Q382.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-6Q382.tmp\_isetup\_shfoldr.dll
    Filesize

    22KB

    MD5

    92dc6ef532fbb4a5c3201469a5b5eb63

    SHA1

    3e89ff837147c16b4e41c30d6c796374e0b8e62c

    SHA256

    9884e9d1b4f8a873ccbd81f8ad0ae257776d2348d027d811a56475e028360d87

    SHA512

    9908e573921d5dbc3454a1c0a6c969ab8a81cc2e8b5385391d46b1a738fb06a76aa3282e0e58d0d2ffa6f27c85668cd5178e1500b8a39b1bbae04366ae6a86d3

  • \Users\Admin\AppData\Local\Temp\is-EAH1Q.tmp\is-5E2KI.tmp
    Filesize

    645KB

    MD5

    7a084972025ff9b3da070399f221202a

    SHA1

    9350b18cd6a0ebdcd74640a731a3801bfd278b1c

    SHA256

    00e7a8e988c85741b3dafb50d0800a528d06de93dcf5520541f0f29a012a5d90

    SHA512

    b551b17fc7f12bc7aed71fa7e410db5373542f0d8ce373d4932b086afa9e6cf561e6af61843f1511557635a4a0b51ca3804a8077be2f5c6981a0eba38bbf32a3

  • memory/1104-58-0x0000000000000000-mapping.dmp
  • memory/1660-54-0x0000000075F51000-0x0000000075F53000-memory.dmp
    Filesize

    8KB

  • memory/1660-55-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1660-64-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB