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Analysis

  • max time kernel
    110s
  • max time network
    25s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    04/09/2024, 22:10

General

  • Target

    cd32da2cae57c30b9b3b3b5492c72920N.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 9 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\cd32da2cae57c30b9b3b3b5492c72920N.exe
    "C:\Users\Admin\AppData\Local\Temp\cd32da2cae57c30b9b3b3b5492c72920N.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Users\Admin\AppData\Local\Temp\cd32da2cae57c30b9b3b3b5492c72920N.exe
      C:\Users\Admin\AppData\Local\Temp\cd32da2cae57c30b9b3b3b5492c72920N.exe startC:\Users\Admin\AppData\Roaming\dwm.exe%C:\Users\Admin\AppData\Roaming
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2952
    • C:\Users\Admin\AppData\Local\Temp\cd32da2cae57c30b9b3b3b5492c72920N.exe
      C:\Users\Admin\AppData\Local\Temp\cd32da2cae57c30b9b3b3b5492c72920N.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\FFB4.4DA

    Filesize

    1KB

    MD5

    e0e9f65f1da863dbcfc9d353e51edc6f

    SHA1

    9495a4d740d5b0cd070cb55c61797d826a868b2a

    SHA256

    ecee89aa64ddba0ec841255e2270101aec7569f1c4bf1ff86aa7aa76653199f7

    SHA512

    561f21dab051b3067afd1d03ef995a0fea9868cde90372e1609292adf534480b0dddcd93275ad4c1ddc16f9763afeb953e956c019db9a235006fd4eae3053000

  • C:\Users\Admin\AppData\Roaming\FFB4.4DA

    Filesize

    600B

    MD5

    c870fe548e97f2f80ba50489d4e9c32e

    SHA1

    ead546910b71e92817005877e004e48462ad9885

    SHA256

    59fc03a31a27d2645d545a18d486996fd4a864b0ed09ab58bc7fc1b12d4cfb87

    SHA512

    16d391fe5c70e5a9b58b141717a748ce6d1eec88aa9360f5e042709694e7a7490a0cb8e1c526286b8e10bcffce30b52ff627f906aec5cdb90d52b4e5e6f4a261

  • C:\Users\Admin\AppData\Roaming\FFB4.4DA

    Filesize

    996B

    MD5

    18349916f07dfde3e62f9ec33b410f7c

    SHA1

    bec5fcdae3606d920642a60fe5d2e92b9c38a411

    SHA256

    0772193ee8254698d9ee3d93ce35a220d2d5d023c7b97e6ff5fcf99dc771c121

    SHA512

    c3282d20b3278cae53df71ffbe3853bef1bdde9913358689cb498a79033eec6cd425235c849bedd4314f73ec7e74bb0e6de8c39a1a9e2f0ac99c95cffed5832d

  • memory/568-76-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/568-14-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/568-68-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/568-1-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/568-2-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/568-177-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2536-74-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2536-75-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2952-7-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/2952-5-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB