Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 13:53

General

  • Target

    1aa4d5c516211f7ec083bf2ecffcf52f.exe

  • Size

    385KB

  • MD5

    1aa4d5c516211f7ec083bf2ecffcf52f

  • SHA1

    67a9983b2df7c3c91f8c49fa327bbf907fb3eafc

  • SHA256

    a9eb590a7a5cca5df12ab253d7225cf43a0874858ac89374ba2f2e656b2c14ef

  • SHA512

    cb555c5020862d6124ccf51365456906787287aef5aa6c2b7050a63275c0f56dee69c8773687a6b302520bfed4198cf976f904158df579bedef9bb93514b5fd1

  • SSDEEP

    6144:TVTbAU2C+EI+PLjMKAJzijIUq7CvdtZUSS8k+x3+rEOXDvHYeHcUQqhQ4fgCBVZB:TVTbAbEIww9JO62vdtZaICDfYJVqpVZB

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1aa4d5c516211f7ec083bf2ecffcf52f.exe
    "C:\Users\Admin\AppData\Local\Temp\1aa4d5c516211f7ec083bf2ecffcf52f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Users\Admin\AppData\Local\Temp\1aa4d5c516211f7ec083bf2ecffcf52f.exe
      C:\Users\Admin\AppData\Local\Temp\1aa4d5c516211f7ec083bf2ecffcf52f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab3AE0.tmp

    Filesize

    45KB

    MD5

    dc38d629e51926a750b443772d7c8c65

    SHA1

    2868765523e76b2e6706f18ecb665f4631a00d00

    SHA256

    21a98ea45d4ca76fc03cd769b01345da379395b41295e1506644149d0a378883

    SHA512

    beb8198332e8771a0475a925a4b31a8a80df9a04dc889442d1a4e024b1b66709acc3e347d50af1868d5d0c351d489cd454fc2523f752ea9dec56b9a9d6048ef4

  • C:\Users\Admin\AppData\Local\Temp\Tar3B31.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\1aa4d5c516211f7ec083bf2ecffcf52f.exe

    Filesize

    385KB

    MD5

    496b7660fb8bcc41e74c188d1ce76d17

    SHA1

    cf0e720958c858ea43324d34903dbdca24ee496f

    SHA256

    724ba2fe9151cf35eb3c5c9f0115f5d022397d6965ff2a32352c30cb98ee6678

    SHA512

    5a853de6d5ce24db3e75afd1b397281e19744d2abb46d1a2e7711cdf2adc18ff63e9b0a00d9b5b45401d41b85c5a3c34ccc610f65574e27534d5680ababe381e

  • memory/1812-12-0x0000000002E00000-0x0000000002E66000-memory.dmp

    Filesize

    408KB

  • memory/1812-15-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/1812-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/1812-2-0x0000000000360000-0x00000000003C6000-memory.dmp

    Filesize

    408KB

  • memory/1812-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2956-17-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/2956-28-0x0000000000240000-0x000000000029F000-memory.dmp

    Filesize

    380KB

  • memory/2956-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2956-16-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2956-77-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2956-83-0x000000000A6D0000-0x000000000A70C000-memory.dmp

    Filesize

    240KB

  • memory/2956-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB