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Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2024, 01:47

General

  • Target

    cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe

  • Size

    3.9MB

  • MD5

    65aada27caa7bfe938dac18e6fa832b8

  • SHA1

    200a29376727e41a3cb5351beb63cf86dc09b2fd

  • SHA256

    cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f

  • SHA512

    0caad922b8611a1add70454649c4859737fde7ddff618807fecc9d5ba325d187d1b3aac8b61146f000944f0927326c39a8ac0110dc7ecad6dea4aece5b5678c8

  • SSDEEP

    98304:tzk7BzeLydRNIjHGPFNkEUaqj4MN2MfIjHGP1DLxTm0B0IjHGPFNkEUaqj4MN2Mr:Zk7BzJRqK47aK4CnQKNDLtB5K47aK4Cr

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe
    "C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2440
    • C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe
      C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:884
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe" /TN 4vF3ZT9f5be3 /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2500
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN 4vF3ZT9f5be3 > C:\Users\Admin\AppData\Local\Temp\3oQF7.xml
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN 4vF3ZT9f5be3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    60162a1be990470a749076de484664f4

    SHA1

    f60d491de6abfcac5a0e14deab4c5af555952151

    SHA256

    4b63d1a273fcab87c7510c57216c7b0bb25f72d8f5a17088ca0c6f62e86edbdf

    SHA512

    23c4e2bb081366087788c1684cd83ea9814fa186eb6aa2fdbc1da27ab3ac326e3539dcae7f04f4e27438998c92966ca85683cdec185059210311a7cb7e24e5e1

  • C:\Users\Admin\AppData\Local\Temp\3oQF7.xml

    Filesize

    1KB

    MD5

    a99dd04bbd5ba8ec3eb628395a96db2e

    SHA1

    7a66106feab72e3894e0536e48c645efa4d3ab7d

    SHA256

    b44674ef7b9bf4b0f663f9e0b667324e34b788f8ff23c0136ed678b1ef4ea3cd

    SHA512

    a4a88eb0e4fd0d258a30fb107fa3f624b58c4e1ec21647688b40e31f53cd382fedda9a5365eb3917f4b3fdf5c34a2506ccd71ef953f6ecc2b21c384f48d24c43

  • C:\Users\Admin\AppData\Local\Temp\CabCE59.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCE6B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\cf689dc252b7760d8a28a1dd60af34606a9a9fce46c8da5c3a671e8fd7cdcb4f.exe

    Filesize

    3.9MB

    MD5

    f2897ff50f9e0e718e1ed71a2af128e4

    SHA1

    65d5857cc403a5a63d35685992ed1e3b6997d4cf

    SHA256

    eec55e93dc36f314136e4e26f3ca166750bb372bffaf1fdfc4d3bf9dea247ece

    SHA512

    476ddf2bf8e54c9cd255e090daf24a69b5886c68992179002767c79f98ca0c3e5476631165eab223d71856d506cd6cc04628da53f9258a8acfdaf95972f50bda

  • memory/884-24-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/884-30-0x0000000000470000-0x00000000004DB000-memory.dmp

    Filesize

    428KB

  • memory/884-29-0x0000000000330000-0x00000000003AE000-memory.dmp

    Filesize

    504KB

  • memory/884-17-0x0000000000400000-0x000000000065C000-memory.dmp

    Filesize

    2.4MB

  • memory/884-115-0x0000000000400000-0x000000000065C000-memory.dmp

    Filesize

    2.4MB

  • memory/2440-15-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2440-0-0x0000000000400000-0x000000000065C000-memory.dmp

    Filesize

    2.4MB

  • memory/2440-9-0x0000000022D90000-0x0000000022E0E000-memory.dmp

    Filesize

    504KB

  • memory/2440-1-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB