Analysis

  • max time kernel
    43s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220715-en
  • resource tags

    arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
  • submitted
    24-07-2022 17:29

General

  • Target

    b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe

  • Size

    169KB

  • MD5

    627e55ad2eb61369511b9a5cfa717468

  • SHA1

    320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

  • SHA256

    b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

  • SHA512

    a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe
    "C:\Users\Admin\AppData\Local\Temp\b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1824
    • C:\Windows\2057212419902154\winoexc.exe
      C:\Windows\2057212419902154\winoexc.exe
      2⤵
      • Executes dropped EXE
      PID:888

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Windows\2057212419902154\winoexc.exe
    Filesize

    169KB

    MD5

    627e55ad2eb61369511b9a5cfa717468

    SHA1

    320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

    SHA256

    b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

    SHA512

    a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

  • \Windows\2057212419902154\winoexc.exe
    Filesize

    169KB

    MD5

    627e55ad2eb61369511b9a5cfa717468

    SHA1

    320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

    SHA256

    b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

    SHA512

    a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

  • \Windows\2057212419902154\winoexc.exe
    Filesize

    169KB

    MD5

    627e55ad2eb61369511b9a5cfa717468

    SHA1

    320c4f96b71f4e9adb8f0e5c6bf4eb6e4c7cc4dc

    SHA256

    b4f292c77b8675d51f1e158f1e255ad56bfc2b4acda8442ab134baf0682123a3

    SHA512

    a4cafc01b06c70987afc9eca0eeb3c0a03711670e93a48e26e7eb8d7962095b3d465b6a097cd221fe54870bf0ccb395582b0f0404601a120de54b15ff6e1d466

  • memory/888-60-0x0000000000000000-mapping.dmp
  • memory/888-62-0x0000000000A32000-0x0000000000A36000-memory.dmp
    Filesize

    16KB

  • memory/888-64-0x0000000000A32000-0x0000000000A36000-memory.dmp
    Filesize

    16KB

  • memory/888-65-0x0000000000400000-0x000000000083A000-memory.dmp
    Filesize

    4.2MB

  • memory/1824-54-0x00000000008E2000-0x00000000008E6000-memory.dmp
    Filesize

    16KB

  • memory/1824-55-0x0000000075741000-0x0000000075743000-memory.dmp
    Filesize

    8KB

  • memory/1824-56-0x00000000008E2000-0x00000000008E6000-memory.dmp
    Filesize

    16KB

  • memory/1824-57-0x0000000000400000-0x000000000083A000-memory.dmp
    Filesize

    4.2MB