Analysis

  • max time kernel
    121s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 10:54

General

  • Target

    3342624c6c8c4f5dab93bbb40aa8fda9.xlsm

  • Size

    212KB

  • MD5

    3342624c6c8c4f5dab93bbb40aa8fda9

  • SHA1

    21a01d739a80e45885206f083bb754228cc67c77

  • SHA256

    369d214980b7c6a0964f4b2a411544f751185346ac63c95601395115015ba93c

  • SHA512

    7ec3d73a3bb13fe64490602312398bd7b5e4f02bd59936fa0ff0a9fc910bb065a2d08a2db0b42da53a0cbc24de3e6808ccbc4d0bb570f6bb1fc529c208bc5a9c

  • SSDEEP

    6144:1ogkLjLh/2ecFrwTsuyAq1zWSkjVjQb17EWFtD:KDLZudukACo+tXR

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Blocklisted process makes network request 3 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\3342624c6c8c4f5dab93bbb40aa8fda9.xlsm
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\SysWOW64\MSHTA.exe
      MSHTA C:\ProgramData\TFpBSRTQVONuBcB.sct
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Modifies system certificate store
      PID:2148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\TFpBSRTQVONuBcB.sct

    Filesize

    26KB

    MD5

    2828eb1bc93c7676143107a083159ffa

    SHA1

    0117466d8d2c2d5cdf76c8f37de48c566815cede

    SHA256

    ffc8b9a4261ed6cb75538a9cfbbc0ab77e96c1b7de48f73cd441cf6e7988786c

    SHA512

    9119d6376ec9ee87a53acb669f6ef378d57266246afc9e2afacda56b978f89b0808b880358ccf6d794fd53ee0f6ef02538bbe73d2f22b44c80548842768c75e0

  • C:\Users\Admin\AppData\Local\Temp\Cab85B5.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar8E31.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2792-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2792-1-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB

  • memory/2792-2-0x000000006CDC0000-0x000000006CDEE000-memory.dmp

    Filesize

    184KB

  • memory/2792-5-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB

  • memory/2792-60-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

  • memory/2792-62-0x000000007267D000-0x0000000072688000-memory.dmp

    Filesize

    44KB