Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    04/02/2024, 15:20

General

  • Target

    8f7cb4b894bf01641e7094705758572e.exe

  • Size

    385KB

  • MD5

    8f7cb4b894bf01641e7094705758572e

  • SHA1

    3092a091881536a4d99bd17aaaf256821af937d3

  • SHA256

    2add8a21046d66aca9627c3a4247d35478670ffc2659dd78eb24f9d176f49b76

  • SHA512

    32155d7d30b3baee6d40032c62cccc694e0f116e27647d59f23d97bc763e334410fbc9923eb9ef49ec85340e785793647051d8af3d62953ea1d9771e7d3015f0

  • SSDEEP

    6144:/m5V5DcpkeeZQs5iZJSTVv4qFjiAk6XajXE+FgFIf+ZIhWqL7Z6rG/fbQs6svwTB:u5VZk/wwmOj7gFImzo7QwxvwTB

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 2 IoCs
  • 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\8f7cb4b894bf01641e7094705758572e.exe
    "C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe
      C:\Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab11BE.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar11D1.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • \Users\Admin\AppData\Local\Temp\8f7cb4b894bf01641e7094705758572e.exe

    Filesize

    385KB

    MD5

    c1b78def988a5b35e92a533fd95d8bb4

    SHA1

    04a1dc007af4772dc9a00b1858a59eeb0edc66c7

    SHA256

    b7f5af65b8963d55f915037c1571f93eaff8c70a67099088ac1f3159841b6d76

    SHA512

    88b209e44d958ab9222290a944f4ef2e57cd53e3dd74b993fb5ccc49c195f2e9bd883921ecf6ff45c9d74bfee854f310fdf1a497c746b7dfbdbc864701f2958d

  • memory/2520-13-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2520-16-0x0000000002DE0000-0x0000000002E46000-memory.dmp

    Filesize

    408KB

  • memory/2520-1-0x0000000000400000-0x000000000045F000-memory.dmp

    Filesize

    380KB

  • memory/2520-0-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2520-2-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/2876-19-0x0000000000400000-0x0000000000466000-memory.dmp

    Filesize

    408KB

  • memory/2876-21-0x0000000000190000-0x00000000001F6000-memory.dmp

    Filesize

    408KB

  • memory/2876-23-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2876-27-0x0000000000300000-0x000000000035F000-memory.dmp

    Filesize

    380KB

  • memory/2876-77-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2876-83-0x000000000D730000-0x000000000D76C000-memory.dmp

    Filesize

    240KB

  • memory/2876-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB