Analysis

  • max time kernel
    233s
  • max time network
    270s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    12/10/2023, 01:38

General

  • Target

    8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe

  • Size

    198KB

  • MD5

    84d7a0535f63934a74bb793ebe1360c3

  • SHA1

    a4a55f4a4355120e562da1043a688ed851d4bf8c

  • SHA256

    8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa

  • SHA512

    5f1e8be51c4761733add5b22923311c14e8e75e3b64abe7b4bd84b3ec38f62b9ee51e829e55d340ab90d81f7cb4ac36e07cda90408e84fbf0863fc635be4dfc5

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOU:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXh

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe
    "C:\Users\Admin\AppData\Local\Temp\8fdfd376210243452f0f824b51472ddfaf1b2a621a9dc1014a6fe2cb16d740fa.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\8FDFD3~1.EXE > nul
      2⤵
      • Deletes itself
      PID:2132
  • C:\Windows\Debug\tmshost.exe
    C:\Windows\Debug\tmshost.exe
    1⤵
    • Executes dropped EXE
    • Checks processor information in registry
    PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Debug\tmshost.exe

    Filesize

    198KB

    MD5

    18136fe2fab101276725f97ea70a23b1

    SHA1

    1fea3ed53b7d2ae0360dbf35c9344e6cbae4fb84

    SHA256

    26b013972a5dc22024b26acbd82b35783501b63d71a73e5a83d6daeb606584d8

    SHA512

    fc6083cfa88a711f38f28cc89c4a53ae24dcdb40e028a50c78bc25bfcec72a1d9d994d691bb51e2168503dbabca0420bec3346947c5ffeb77593497c4825f621

  • C:\Windows\debug\tmshost.exe

    Filesize

    198KB

    MD5

    18136fe2fab101276725f97ea70a23b1

    SHA1

    1fea3ed53b7d2ae0360dbf35c9344e6cbae4fb84

    SHA256

    26b013972a5dc22024b26acbd82b35783501b63d71a73e5a83d6daeb606584d8

    SHA512

    fc6083cfa88a711f38f28cc89c4a53ae24dcdb40e028a50c78bc25bfcec72a1d9d994d691bb51e2168503dbabca0420bec3346947c5ffeb77593497c4825f621