Analysis

  • max time kernel
    24s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:58

General

  • Target

    8044258c4ca64141bac30c91aac8244f4d22697af6456595f6a838168b158b2f.exe

  • Size

    114KB

  • MD5

    dc2fad1f4bea455d6d47f7735973612c

  • SHA1

    f5f5ff059bd6e066c9a4a08c7a1303aa4b3f7ad1

  • SHA256

    8044258c4ca64141bac30c91aac8244f4d22697af6456595f6a838168b158b2f

  • SHA512

    c1b4272f9d2ce85e7b5f5328f71298e4eb612f69fca38d0c4dcf1116c303080fbdbac51898dbc08f7075400aa1dd59fbba762bb71cc04eda77e2693ecb69a7e1

  • SSDEEP

    3072:HQC/yj5JO3Mn7G+Hu54Fx4xE8iOBDau8+fBi:wlj7cMnC+OEXVOBpC

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • Executes dropped EXE 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8044258c4ca64141bac30c91aac8244f4d22697af6456595f6a838168b158b2f.exe
    "C:\Users\Admin\AppData\Local\Temp\8044258c4ca64141bac30c91aac8244f4d22697af6456595f6a838168b158b2f.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\WINDOWS\MSWDM.EXE
      "C:\WINDOWS\MSWDM.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:1228
    • C:\WINDOWS\MSWDM.EXE
      -r!C:\Windows\dev4CE7.tmp!C:\Users\Admin\AppData\Local\Temp\8044258c4ca64141bac30c91aac8244f4d22697af6456595f6a838168b158b2f.exe! !
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4580
      • C:\Users\Admin\AppData\Local\Temp\8044258C4CA64141BAC30C91AAC8244F4D22697AF6456595F6A838168B158B2F.EXE
        3⤵
        • Executes dropped EXE
        PID:932
      • C:\WINDOWS\MSWDM.EXE
        -e!C:\Windows\dev4CE7.tmp!C:\Users\Admin\AppData\Local\Temp\8044258C4CA64141BAC30C91AAC8244F4D22697AF6456595F6A838168B158B2F.EXE!
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        PID:380

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\8044258C4CA64141BAC30C91AAC8244F4D22697AF6456595F6A838168B158B2F.EXE
    Filesize

    114KB

    MD5

    94c9911e1def097deef3b4bcafb155d2

    SHA1

    7d81cd408126498df121819219247b75f4e4de99

    SHA256

    848e46e5b31ac10be2f4ca47bc22d4ed0dd1d8c9e57cff7590bed3fd9092bb2d

    SHA512

    b1e7ac5093e0e24a32b6f4fcaa04dcc33a0dd34823d1ffb06668d554fd41d5c3ebdb188b051ebd37c09b70230e2561983b0bda2cf4e9ab39e1bb35021cc851a0

  • C:\Windows\MSWDM.EXE
    Filesize

    80KB

    MD5

    dd68dc1f2acb8d56535514be222da2e9

    SHA1

    f8b48112bb5bff4d77e705ce05aa0f2dcb80c904

    SHA256

    38137371838a2b2704b823ed0fb8d6bb1d9cca9fc7da334535942ab1d489eb09

    SHA512

    2ebe2ea143735b014f5fced08a95a3e64a6c54a293a818a0d39555a31ea8d940b28ce9a6937f3d4d6cd449b849d5a1e8a645603c2571260bd6996bdb050bcb8a

  • C:\Windows\dev4CE7.tmp
    Filesize

    34KB

    MD5

    f521965bf3c3f38dc3df43f0df339e95

    SHA1

    5ab377d59cb07f5d21fbe20418a4e0c9991ed570

    SHA256

    893c8af4fb2456a681b4c8106735323073cbcc7494353a8f0d4b087a4469d2f0

    SHA512

    c02c0593bc17c163a64d179877a47ed7896b1df719caa957c4586d00a42ce3cfbe46355a21a855290e5b5eb0b8566a70a9a35edf7e7ae6deec77f56501cdbdc2

  • memory/380-19-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1228-23-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3420-0-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3420-8-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/4580-22-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB