Analysis

  • max time kernel
    132s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-11-2022 10:40

General

  • Target

    44635c22f94cd51a6c8c620a94aee38f7e9fff480adc4ec39eb591e851f4c5bc.exe

  • Size

    562KB

  • MD5

    f8d2791a7ad602984c557f7dee1d4b69

  • SHA1

    272f49da083c75c782bcab17fa55cd33594a8521

  • SHA256

    44635c22f94cd51a6c8c620a94aee38f7e9fff480adc4ec39eb591e851f4c5bc

  • SHA512

    fe533ac008ebc9c34782443681ca212ab25ced070d70ad9cd8228872f51def318b2ec70c54a91d89325efc60ddfe785ce68d66e153e39aaedfa2ba18f72611b0

  • SSDEEP

    12288:oPwMDD1dxDx5SCbpK2h6Ieu96aUT7dxIfLbdi8R+3z2fQ:kt9jF5JU2h6IlLUTUvdRRaz2fQ

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44635c22f94cd51a6c8c620a94aee38f7e9fff480adc4ec39eb591e851f4c5bc.exe
    "C:\Users\Admin\AppData\Local\Temp\44635c22f94cd51a6c8c620a94aee38f7e9fff480adc4ec39eb591e851f4c5bc.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Users\Admin\AppData\Local\Temp\DM_tnylikQmF2\DownloadManager.exe
      DownloadManager.exe "C:\Users\Admin\AppData\Local\Temp\44635c22f94cd51a6c8c620a94aee38f7e9fff480adc4ec39eb591e851f4c5bc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\DM_tnylikQmF2\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • C:\Users\Admin\AppData\Local\Temp\DM_tnylikQmF2\DownloadManager.exe

    Filesize

    864KB

    MD5

    54fff123842d60d5e57d04c4cf7fbf93

    SHA1

    8b7c9ee4dfb31d76d6cdf0a4c1c9b1d974e1ddcb

    SHA256

    e5f6ecac207287ea1c955497315de6c7622a06d4f8c63f44a838615f62acbb44

    SHA512

    b415d13a53d9cbae34d6e1badec0db06be522a3233440947b2351027d671e02c99b64a8f121bf14a0d9539ef988d07d03dae6c4d90644333c54ad5574518f2d1

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\System.dll

    Filesize

    11KB

    MD5

    a436db0c473a087eb61ff5c53c34ba27

    SHA1

    65ea67e424e75f5065132b539c8b2eda88aa0506

    SHA256

    75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49

    SHA512

    908f46a855480af6eacb2fb64de0e60b1e04bbb10b23992e2cf38a4cbebdcd7d3928c4c022d7ad9f7479265a8f426b93eef580afec95570e654c360d62f5e08d

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\UserInfo.dll

    Filesize

    4KB

    MD5

    031ec9b12afb1fafc9fc397f3b90f29c

    SHA1

    de26ddfe3ef452f8205bfbd5520a8eff6328619f

    SHA256

    2dc320488b636b9dce9581a95e5a833a07500622c1a64fc05023ba6482d2a6e1

    SHA512

    cbebded4e3a87234899e2b67121f898c9060671d25088b7de29bbcbda90a5410dd3afd110417caa6c46ba656e1a863da39127e15c2122fedaa5054f4d43b90a6

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\inetc.dll

    Filesize

    21KB

    MD5

    d7a3fa6a6c738b4a3c40d5602af20b08

    SHA1

    34fc75d97f640609cb6cadb001da2cb2c0b3538a

    SHA256

    67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

    SHA512

    75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

  • C:\Users\Admin\AppData\Local\Temp\nsx9BD8.tmp\pwgen.dll

    Filesize

    16KB

    MD5

    a555472395178ac8c733d90928e05017

    SHA1

    f44b192d66473f01a6540aaec4b6c9ac4c611d35

    SHA256

    82ae08fced4a1f9a7df123634da5f4cb12af4593a006bef421a54739a2cbd44e

    SHA512

    e6d87b030c45c655d93b2e76d7437ad900df5da2475dd2e6e28b6c872040491e80f540b00b6091d16bc8410bd58a1e82c62ee1b17193ef8500a153d4474bb80a

  • memory/1740-141-0x00007FFB7E8A0000-0x00007FFB7F2D6000-memory.dmp

    Filesize

    10.2MB

  • memory/1740-142-0x0000000000B4A000-0x0000000000B4F000-memory.dmp

    Filesize

    20KB

  • memory/1740-143-0x0000000000B4A000-0x0000000000B4F000-memory.dmp

    Filesize

    20KB