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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 02:47

General

  • Target

    bcf6ab7b42849d6693a6c53faad0de7a143cfc148bf7e495f9e6fce2d4674cce.exe

  • Size

    338KB

  • MD5

    7731195245ce0fa2315f570c08705ea5

  • SHA1

    342f4febc4ba3c227b4347c63c45e6edfa64a426

  • SHA256

    bcf6ab7b42849d6693a6c53faad0de7a143cfc148bf7e495f9e6fce2d4674cce

  • SHA512

    4ab03abe0956345ac21aa5e0e4e39833e8d55892c546a632b0a5da7186b560e458ab46fd7f054ea5d13e0c47d2826ca3ed6729f234a8791bd1d62002adb62d0e

  • SSDEEP

    6144:FExz45SS77IQi8Dq+9fXphN2LfjEcYzaWqr57Q7Xwxc4SQjWvvf:fSS71Dq+pcYWWqtfxvSQj2f

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bcf6ab7b42849d6693a6c53faad0de7a143cfc148bf7e495f9e6fce2d4674cce.exe
    "C:\Users\Admin\AppData\Local\Temp\bcf6ab7b42849d6693a6c53faad0de7a143cfc148bf7e495f9e6fce2d4674cce.exe"
    1⤵
    • Modifies WinLogon
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4396
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2056

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\apppatch\svchost.exe

    Filesize

    338KB

    MD5

    cd38434752b253bcd04504bd5bb59eb8

    SHA1

    c1817f3e69c06ef06b4b97757989822070baba69

    SHA256

    91e135b7690d2f7e5096b8ba2cd1bab55e7d9dffd1b967e3bda3a39014e1acac

    SHA512

    189466483af365c1ddf590fd19a84a4d706f874e37b51ff1ed020eea1a86e8c532cd9c7b46d89ed48ecc818c9978362099771bf13d19bc5e2e397ddb07c68dc7

  • memory/2056-42-0x0000000004550000-0x0000000004551000-memory.dmp

    Filesize

    4KB

  • memory/2056-10-0x0000000003400000-0x000000000348C000-memory.dmp

    Filesize

    560KB

  • memory/2056-11-0x00000000035D0000-0x000000000366B000-memory.dmp

    Filesize

    620KB

  • memory/2056-13-0x00000000035D0000-0x000000000366B000-memory.dmp

    Filesize

    620KB

  • memory/2056-15-0x00000000035D0000-0x000000000366B000-memory.dmp

    Filesize

    620KB

  • memory/2056-70-0x0000000004610000-0x0000000004611000-memory.dmp

    Filesize

    4KB

  • memory/2056-71-0x0000000004600000-0x0000000004601000-memory.dmp

    Filesize

    4KB

  • memory/2056-66-0x00000000045F0000-0x00000000045F1000-memory.dmp

    Filesize

    4KB

  • memory/2056-64-0x00000000045D0000-0x00000000045D1000-memory.dmp

    Filesize

    4KB

  • memory/2056-63-0x00000000045E0000-0x00000000045E1000-memory.dmp

    Filesize

    4KB

  • memory/2056-59-0x00000000045C0000-0x00000000045C1000-memory.dmp

    Filesize

    4KB

  • memory/2056-57-0x00000000045A0000-0x00000000045A1000-memory.dmp

    Filesize

    4KB

  • memory/2056-56-0x00000000045B0000-0x00000000045B1000-memory.dmp

    Filesize

    4KB

  • memory/2056-53-0x00000000045A0000-0x00000000045A1000-memory.dmp

    Filesize

    4KB

  • memory/2056-50-0x0000000004570000-0x0000000004571000-memory.dmp

    Filesize

    4KB

  • memory/2056-45-0x0000000004560000-0x0000000004561000-memory.dmp

    Filesize

    4KB

  • memory/2056-81-0x00000000035D0000-0x000000000366B000-memory.dmp

    Filesize

    620KB

  • memory/2056-43-0x0000000004540000-0x0000000004541000-memory.dmp

    Filesize

    4KB

  • memory/2056-60-0x00000000045D0000-0x00000000045D1000-memory.dmp

    Filesize

    4KB

  • memory/2056-36-0x0000000004510000-0x0000000004511000-memory.dmp

    Filesize

    4KB

  • memory/2056-35-0x0000000004520000-0x0000000004521000-memory.dmp

    Filesize

    4KB

  • memory/2056-32-0x0000000004510000-0x0000000004511000-memory.dmp

    Filesize

    4KB

  • memory/2056-31-0x0000000004500000-0x0000000004501000-memory.dmp

    Filesize

    4KB

  • memory/2056-29-0x00000000044E0000-0x00000000044E1000-memory.dmp

    Filesize

    4KB

  • memory/2056-28-0x00000000044F0000-0x00000000044F1000-memory.dmp

    Filesize

    4KB

  • memory/2056-25-0x00000000044E0000-0x00000000044E1000-memory.dmp

    Filesize

    4KB

  • memory/2056-24-0x00000000044D0000-0x00000000044D1000-memory.dmp

    Filesize

    4KB

  • memory/2056-22-0x00000000044B0000-0x00000000044B1000-memory.dmp

    Filesize

    4KB

  • memory/2056-38-0x0000000004530000-0x0000000004531000-memory.dmp

    Filesize

    4KB

  • memory/2056-52-0x0000000004590000-0x0000000004591000-memory.dmp

    Filesize

    4KB

  • memory/2056-49-0x0000000004580000-0x0000000004581000-memory.dmp

    Filesize

    4KB

  • memory/2056-46-0x0000000004570000-0x0000000004571000-memory.dmp

    Filesize

    4KB

  • memory/2056-21-0x00000000044C0000-0x00000000044C1000-memory.dmp

    Filesize

    4KB

  • memory/2056-20-0x00000000044C0000-0x00000000044C1000-memory.dmp

    Filesize

    4KB

  • memory/2056-18-0x00000000044B0000-0x00000000044B1000-memory.dmp

    Filesize

    4KB

  • memory/4396-9-0x0000000000490000-0x00000000004F7000-memory.dmp

    Filesize

    412KB