Analysis

  • max time kernel
    88s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13-03-2024 23:25

General

  • Target

    c71d6136d7549559ebddf65a48dd6a06.exe

  • Size

    153KB

  • MD5

    c71d6136d7549559ebddf65a48dd6a06

  • SHA1

    d7d3a14231d2b467a515dabf203fcbc39683d689

  • SHA256

    2e0f1487b90d72827b8fb51fd9cc5e4ee49220c1ca177722f276de63dfc5db6a

  • SHA512

    770f4c4c61bb0726f1bfe3ee0249fb248a3899cf553597319c311de0d904d11328bc4d46ee63c6089a08e0efce1d82f798a06e8f2b073fb5441546cbeb2ff22e

  • SSDEEP

    3072:KTLsLsGHC1Tc0JW458ql25l1EN4u8v3nEJ3kCWcLke:KP1GHST/JWw8qI6NInEiCWcL

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Registers COM server for autorun 1 TTPs 4 IoCs
  • Unexpected DNS network traffic destination 9 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\services.exe
    C:\Windows\system32\services.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:480
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Executes dropped EXE
    PID:1172
    • C:\Users\Admin\AppData\Local\Temp\c71d6136d7549559ebddf65a48dd6a06.exe
      "C:\Users\Admin\AppData\Local\Temp\c71d6136d7549559ebddf65a48dd6a06.exe"
      2⤵
      • Registers COM server for autorun
      • Suspicious use of SetThreadContext
      • Drops file in Windows directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:112
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Deletes itself
        PID:2544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\{2afc3a57-583b-dc37-6af8-7a4ab5357b5e}\n

    Filesize

    26KB

    MD5

    fab7de9eafea67f88e43003698024c86

    SHA1

    24a4ef27c29cdeabed5e0af867e3f568da40d0c9

    SHA256

    073b1f99871dc56a33dcd55af71d53482816bfc9b3ce5c78ee53bed31b428384

    SHA512

    b4a57a8cc564760526d4cce26ce24e80657c064df373c307bb90cf053d01d04bdfe1def41fedfeb7715e53d8481a98c94bc6f3bf33815b4571d898aa08553fcd

  • \systemroot\Installer\{2afc3a57-583b-dc37-6af8-7a4ab5357b5e}\@

    Filesize

    2KB

    MD5

    a1da78713fdc92fda32374233e6f129d

    SHA1

    518cd6d70a9eae2304f4d536212ec73be28b53b0

    SHA256

    348c7b897a9acbaeb6f729ef297dca6aba8d42919766d0c4d8a39f0884cf9748

    SHA512

    0735394ccb3f3f70ed4007b55641bdaa4fe61552912e1d3b868e070325623796147e5e643ee73e058f59e1360c1e865351327fafcd79560c9639af24f4e985a9

  • memory/112-2-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/112-1-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/112-14-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/112-15-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/112-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/480-13-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/1172-3-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB

  • memory/1172-17-0x0000000000610000-0x0000000000710000-memory.dmp

    Filesize

    1024KB