Analysis

  • max time kernel
    140s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-09-2024 12:47

General

  • Target

    Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe

  • Size

    167KB

  • MD5

    cd32da2cae57c30b9b3b3b5492c72920

  • SHA1

    d16bc032feff8280bf170efe526f3207f40f3443

  • SHA256

    e5b02d9b47a711b29e54d8d818c66003e68fe004d4c33d4f80e8ba3340a87e35

  • SHA512

    96e0c0a18993a8942cc26230159e1205a421c86d0689c19cfd989b01561c283497d80510c176d32ba76caafb80ca2bc6cab2d08c7bed9175d90c09d4768ad8ec

  • SSDEEP

    3072:j7XdyeLiDIG+MrLE69kHpFLw90lfZSeDIRKe0pewIUW1xTBwUQBzbTFr:j7oeLiDIG+MPE6c2Qz0RKTYv1qdRr

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 8 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe
    "C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe
      C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe
      C:\Users\Admin\AppData\Local\Temp\Virus.Autorun.ATA_virussign.com_cd32da2cae57c30b9b3b3b5492c72920.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1480

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\A465.CE6

    Filesize

    1KB

    MD5

    89a421048aa5aec5aaf0835352ee1be2

    SHA1

    47539fba8fc0db0e7437c990f0806682ace21d6e

    SHA256

    2ba032748cace563fa1c33728df74d9d2a81d58a0281222dca75b8db1f47600a

    SHA512

    3bf3a3c0ac4b9b8422b991635abc5a53185d7e580c0df4a8c054569ab02d2d1b052b2dde4d69338226d24d491d865d782fa443445ade3f4c7bc483fd2f303369

  • C:\Users\Admin\AppData\Roaming\A465.CE6

    Filesize

    600B

    MD5

    6525cceb7b4839517eeb8100392fe70e

    SHA1

    d04002acf24f2c49b1fc764bfa0163b9926da108

    SHA256

    8dec00aa10284bb34958ee2d148a9bc3485eb6c4e638907cf0029ba93323af95

    SHA512

    b248e13826afaea64ec501d905ccd9285250c2022a26e6f700b3dfb88d853a99699c25bcab60970d7a8c63c675e6d681fcdba171b9c8a3d85c3baa1774b13118

  • C:\Users\Admin\AppData\Roaming\A465.CE6

    Filesize

    996B

    MD5

    e95223758a91eb484ac5055e63386a91

    SHA1

    b6cf8a0de304e3652d4d9606475f6d8b2485be09

    SHA256

    768c422b0054087086a761d0e031f273909f098ec195bce47bdb36dbb126a415

    SHA512

    adb938cfb44619e14e6bbb1241267fb7827ae241b31ecf81b3e95cb0bbd3b76a0133b27ec0dd3b132cfadf9ddf8b49a12d5faf813b9b7de7080d5c2ecc8198da

  • memory/1480-67-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1480-68-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2608-5-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2608-6-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2908-1-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2908-2-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2908-13-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2908-69-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2908-158-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB