Analysis

  • max time kernel
    79s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/09/2024, 06:14

General

  • Target

    f60a531ffcf32b589db487f29415abd0N.exe

  • Size

    61KB

  • MD5

    f60a531ffcf32b589db487f29415abd0

  • SHA1

    85a75d3abd7334d2f920d9056a5e1668f7e2b987

  • SHA256

    3e0fd65ce536e336e9623c0358d278c404e656d87722a3461947e4d8b47d6089

  • SHA512

    f9eaba74e0b0c357501fca0e04fd01242687fe044b44d69c441b68968a81f35d354fa99481095a92bfa8b75541024022659d87d1c1e94c52cfcce52f38e2b6df

  • SSDEEP

    768:r8eRH+MlFh0pDpuJ84WEi+U6sh7iQroCHmyf+RjFBSuB2XpfsPpzSd3m:r9l+W8xFt6sh7iQroCoRB0u0sPpzStm

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f60a531ffcf32b589db487f29415abd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\f60a531ffcf32b589db487f29415abd0N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe
      "C:\Users\Admin\AppData\Local\Temp\bkgrnd.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2736

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

    dda0592172f7c66d7d94c2b45567bfaf

    SHA1

    19940973b3df040ec26bd5e2f0e47de804f5e36a

    SHA256

    716d9bf448fd483847024157287e262c3b927c3b0e8b81a1f1b19b8cab87b000

    SHA512

    e16c27ae6b814327fd770b5edde5e2922a35c18a3928f22d9ef3926d7da0d2b84cd47b2c34c3c5775e8021428f3b5a7770871e3cc7369844707ce914705a8b37

  • C:\Users\Admin\AppData\Local\Temp\CabEB89.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarEC09.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

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

    Filesize

    62KB

    MD5

    2f5bcafa2c0006d60fbd7af35b78fc37

    SHA1

    ff8353742372fd64853a45d4b2f651a41ebf657f

    SHA256

    6ad3061ff04fa2b9b9e77e830f9a978af765cd4975cf90f3a9235c3599682ec7

    SHA512

    ff0ffcb6c4bd57ba1e48fb7a7849c88908d9447f9282229634ff38aa4d6fca759537bcc6f92aa4402d7ac7240b774965c1f5d48f1df5a287e9d2c6ba6d052869

  • memory/2736-10-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/3052-0-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB

  • memory/3052-1-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/3052-2-0x0000000004000000-0x0000000004006000-memory.dmp

    Filesize

    24KB

  • memory/3052-8-0x0000000000400000-0x000000000040F000-memory.dmp

    Filesize

    60KB