Analysis

  • max time kernel
    36s
  • max time network
    67s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    06/08/2024, 11:24

General

  • Target

    9a4d4c67223ac058388d30cebd5ba170N.exe

  • Size

    3.2MB

  • MD5

    9a4d4c67223ac058388d30cebd5ba170

  • SHA1

    f6991b5fcc527e0fa62ca0d756e64a76d78cdc7f

  • SHA256

    340f6620d9e9e76d209f6e0f6fc51ff2bcc488d93385283465c84f0aba01c102

  • SHA512

    70170fff44be60369b7844f22ba485604ff287f61bb17c4e4bec0009047299066d2c2da0f5e2b3fd94e4b46c820437b9c55f9e4ffbef2ec500f64721f658cd2a

  • SSDEEP

    98304:VTKnhZcakcSCIps8cr9dcakcCCyt/PcakcSCIps8cr9dcakcO:kfdljss7dlC3ddljss7dlO

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\9a4d4c67223ac058388d30cebd5ba170N.exe
    "C:\Users\Admin\AppData\Local\Temp\9a4d4c67223ac058388d30cebd5ba170N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2384
    • C:\Users\Admin\AppData\Local\Temp\9a4d4c67223ac058388d30cebd5ba170N.exe
      C:\Users\Admin\AppData\Local\Temp\9a4d4c67223ac058388d30cebd5ba170N.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:2100
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks.exe /CREATE /RL HIGHEST /SC ONLOGON /TR "C:\Users\Admin\AppData\Local\Temp\9a4d4c67223ac058388d30cebd5ba170N.exe" /TN hqygtkpk52a3 /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2704
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c schtasks.exe /Query /XML /TN hqygtkpk52a3 > C:\Users\Admin\AppData\Local\Temp\N5NvFg5.xml
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:476
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks.exe /Query /XML /TN hqygtkpk52a3
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2760

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

    336eb9828b30bf06ed5811876c405c4a

    SHA1

    486f145baa8861ddd199d03cf126323e1a42a459

    SHA256

    ab69c5ce8cd577260c6b7d7749261ef6afafdb0db228a952b2357b26efc16946

    SHA512

    82b471da32abe3688c6491f9e13b43fbe67a28f06097d636c56f1bc47d87ccc111898b3554a9133094d9958388e53f18fdd36ec5ca14e4a6798e5752f513b636

  • C:\Users\Admin\AppData\Local\Temp\CabD22F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarD242.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Local\Temp\9a4d4c67223ac058388d30cebd5ba170N.exe

    Filesize

    3.2MB

    MD5

    d3e31b76cdc3c783135890f300924ddd

    SHA1

    f6949477774e7d79ea0d2ba2efa1cfda925f92d7

    SHA256

    ee022f6a5f0694c1fc17ccd740e86fe2870f3566e32b4f988243b137701a1f1d

    SHA512

    71155b0b2eb10b14e54b2076bf09ed1e848a1cc13c24de6254dfedf27b3a5b4d8dc2f30916459519e48a66f28ad7a05e791320d89186a7cdc3c1028e48dbb5b1

  • memory/2100-26-0x0000000000400000-0x000000000045B000-memory.dmp

    Filesize

    364KB

  • memory/2100-24-0x00000000002A0000-0x000000000031E000-memory.dmp

    Filesize

    504KB

  • memory/2100-30-0x0000000000320000-0x000000000038B000-memory.dmp

    Filesize

    428KB

  • memory/2100-116-0x0000000000400000-0x000000000065C000-memory.dmp

    Filesize

    2.4MB

  • memory/2384-15-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2384-16-0x00000000235F0000-0x000000002384C000-memory.dmp

    Filesize

    2.4MB

  • memory/2384-0-0x0000000000400000-0x000000000065C000-memory.dmp

    Filesize

    2.4MB

  • memory/2384-8-0x00000000001A0000-0x000000000021E000-memory.dmp

    Filesize

    504KB

  • memory/2384-1-0x0000000000400000-0x000000000046B000-memory.dmp

    Filesize

    428KB

  • memory/2384-115-0x00000000235F0000-0x000000002384C000-memory.dmp

    Filesize

    2.4MB