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Analysis

  • max time kernel
    140s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 08:31

General

  • Target

    137d2e70a06b6f4b313b323c7be617b3.exe

  • Size

    50KB

  • MD5

    137d2e70a06b6f4b313b323c7be617b3

  • SHA1

    22f4ecf5cba50554812e9847551f5c0c82e5ff6d

  • SHA256

    461b31224c1ec35c9577cf09c82dce5689fd58f087c1e687d3937c643693aea9

  • SHA512

    44b0876ee5f75f2ee0821693876dd6595793088e4dc385c8f054cc7a022f4cf1a146bc9dfa70702db9ce726760ba093d81462c5ee7f8d0685fd315ada89d2cf5

  • SSDEEP

    1536:3nQ5F+U+337lxJpKE5gJLcxB3pwEidGkq5:3Q5kU+Zpz54wtOEmNq5

Score
7/10

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 1 IoCs

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

  • UPX packed file 1 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\137d2e70a06b6f4b313b323c7be617b3.exe
    "C:\Users\Admin\AppData\Local\Temp\137d2e70a06b6f4b313b323c7be617b3.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2212
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\System32\svchost.exe
      2⤵
      • Checks BIOS information in registry
      • Checks processor information in registry
      • Enumerates system info in registry
      PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2212-0-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2212-1-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2212-12-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2212-2-0x0000000000220000-0x0000000000223000-memory.dmp

    Filesize

    12KB

  • memory/2676-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2676-11-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-14-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-8-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-6-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-5-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-16-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-7-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB

  • memory/2676-17-0x0000000009500000-0x0000000009508000-memory.dmp

    Filesize

    32KB