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Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    14/02/2024, 14:01

General

  • Target

    9bdd6e788d7f9ceefb9ffb95898d5385.exe

  • Size

    108KB

  • MD5

    9bdd6e788d7f9ceefb9ffb95898d5385

  • SHA1

    3665ba41960e0b784d5c1db1b4da76087e88e2aa

  • SHA256

    e5425790363817dc59f0b4ddb897c29c9195952e7b42e39cd739922f7f04b2d2

  • SHA512

    bf7c92280e6abb950f34e5f93d98c7ca421d7b3f2e54c5a1632f0065779c08eb7d0cac39fcb3a706747be2d0457091b90411fbace3d56904531f9577ae102614

  • SSDEEP

    1536:XQpQ5EP0ijnRTXJn7NeYRNgKJ+BCySCFlcnykOHHUX+lBH3dCTiJQC:XQIURTXJZeqgKJ+BCxCcJo0X+lBNCuKC

Score
7/10

Malware Config

Signatures

  • 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).

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bdd6e788d7f9ceefb9ffb95898d5385.exe
    "C:\Users\Admin\AppData\Local\Temp\9bdd6e788d7f9ceefb9ffb95898d5385.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\nsd437.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nsd437.tmp\downloadmr.exe /u4d48823a-b8b4-4f4d-b72e-794a5bc06ebe /e29742
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2248

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar801.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\nsd437.tmp\downloadmr.exe

    Filesize

    127KB

    MD5

    3c85066c68fc1edc6da8ec3887649925

    SHA1

    fc2fcf2e964bf2ee4127530287a0c3f6057cb508

    SHA256

    e77189c27645e70b4e9102f4e5f32d7ca4bb0eacb99d3a53ee2b4f1aac919f91

    SHA512

    357263e601210a3248d1b53fa0f0c9f6346ded9c2c1f2cc0408743035e8352d38bd93d13e3fdcb87b58a425e8ebcda5da7813cf96bd51e16f34a3364eb3ac6c7

  • memory/2248-9-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-10-0x0000000000410000-0x0000000000450000-memory.dmp

    Filesize

    256KB

  • memory/2248-11-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB

  • memory/2248-77-0x0000000000410000-0x0000000000450000-memory.dmp

    Filesize

    256KB

  • memory/2248-78-0x0000000000410000-0x0000000000450000-memory.dmp

    Filesize

    256KB

  • memory/2248-79-0x0000000006CC0000-0x0000000006DC0000-memory.dmp

    Filesize

    1024KB

  • memory/2248-80-0x0000000074370000-0x000000007491B000-memory.dmp

    Filesize

    5.7MB