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Analysis

  • max time kernel
    149s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 21:48

General

  • Target

    1d8b98f417340d9b399a5f9f9944b2e3.exe

  • Size

    744KB

  • MD5

    1d8b98f417340d9b399a5f9f9944b2e3

  • SHA1

    19e4f629d735ac04504510b3a2d6124e654bf883

  • SHA256

    6bf32a69e43c97be65994a8f24b369eaa85d7f9d194d92cfaad35a9f37bab8ff

  • SHA512

    7247b16bbce7038ec7ee2313cd6356f1da0a8c31cfaa40dde53bddd67fee681b2db2aa334901f7b34898bd42fccd1d7b404f2bdfd6ce01a2106c270786a1d9c4

  • SSDEEP

    12288:vfyDxDV00lo3Oxp88Cy1bFKkEgjRFa92VvABc4czAM6CZdUs:nuxC0lwOxp8K1xNVK2VvAPWOw

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Sets file execution options in registry 2 TTPs 64 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 5 IoCs
  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1d8b98f417340d9b399a5f9f9944b2e3.exe
    "C:\Users\Admin\AppData\Local\Temp\1d8b98f417340d9b399a5f9f9944b2e3.exe"
    1⤵
    • Sets file execution options in registry
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2548
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c C:\Windows\system32\Deleteme.bat
      2⤵
      • Deletes itself
      PID:2896
  • C:\Windows\dllhost.exe
    C:\Windows\dllhost.exe -netsvcs
    1⤵
    • Modifies WinLogon for persistence
    • Sets file execution options in registry
    • Executes dropped EXE
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1804

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Deleteme.bat

    Filesize

    184B

    MD5

    6bb8216f32cb533653e2e534150495af

    SHA1

    8b26355e76a119576dd9e4a132415c89b603bdc6

    SHA256

    3d3ed5dc44a6e0bd924b4bd464ed97246d36fad65430711724f16ecb7d006286

    SHA512

    fee2856b66600ce714ad236abaf4bc17bf17e430933030aecefd25e3d19dd0d2dd7025b15e2b137143c8a0f65862b139383cf088f6bd19b55134bdf11930b8e1

  • C:\runauto...\autorun.pif

    Filesize

    744KB

    MD5

    1d8b98f417340d9b399a5f9f9944b2e3

    SHA1

    19e4f629d735ac04504510b3a2d6124e654bf883

    SHA256

    6bf32a69e43c97be65994a8f24b369eaa85d7f9d194d92cfaad35a9f37bab8ff

    SHA512

    7247b16bbce7038ec7ee2313cd6356f1da0a8c31cfaa40dde53bddd67fee681b2db2aa334901f7b34898bd42fccd1d7b404f2bdfd6ce01a2106c270786a1d9c4

  • F:\autorun.inf.tmp

    Filesize

    186B

    MD5

    388cdce38219e26795c8df2e4b9a8a4c

    SHA1

    0e72b83417eab223464533d1b749d4bd8a6caa13

    SHA256

    29eecdb0b3889f3fd97795e770d38455e8af0ca84119dda8e009a123aa527d9b

    SHA512

    8912302845a77e2d19d0306acdefa1bd55666004eb6240f1d47fceef2ebccf1102fceaf5564de89499106ee03514e6c9ffb82805faaf54be0a9e5f304be0b5b7

  • memory/1804-172-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-123-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-253-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-41-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-58-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-61-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1804-74-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-93-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-108-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-10-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB

  • memory/1804-138-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-157-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-238-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-187-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-202-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/1804-221-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB

  • memory/2548-0-0x00000000006A0000-0x00000000006A1000-memory.dmp

    Filesize

    4KB

  • memory/2548-29-0x0000000000400000-0x00000000004C2000-memory.dmp

    Filesize

    776KB