Analysis

  • max time kernel
    42s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 17:08

General

  • Target

    338123329d0cfd1361a219939bc5c7e88cb3eb90bf11106306eab8f92ef79a7b.exe

  • Size

    104KB

  • MD5

    443a3a821ca830f39343008f40684170

  • SHA1

    6daaa1be7e32c9eb4c9263045734f7ee965a0d93

  • SHA256

    338123329d0cfd1361a219939bc5c7e88cb3eb90bf11106306eab8f92ef79a7b

  • SHA512

    99c1d179dc47305e885a7beb839b043a94e388c67573e86f6f9b2483cc1e769b13abedf8e8d3c01ffbfbe9600b7aa8fd7689b074ba08a6b602d9de3014ea48b7

  • SSDEEP

    1536:nsxb38MhDn2fmAInL6yId2xdMGfR9TQ2g8cifaxK2jd3psK/OV16PZdpM2KczgBS:nu7nL6K7f3ixF2o9RH5BbtcH2Eq

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\338123329d0cfd1361a219939bc5c7e88cb3eb90bf11106306eab8f92ef79a7b.exe
    "C:\Users\Admin\AppData\Local\Temp\338123329d0cfd1361a219939bc5c7e88cb3eb90bf11106306eab8f92ef79a7b.exe"
    1⤵
    • Maps connected drives based on registry
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c tasklist&&del 338123329d0cfd1361a219939bc5c7e88cb3eb90bf11106306eab8f92ef79a7b.exe
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • Suspicious use of AdjustPrivilegeToken
        PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/832-58-0x0000000000000000-mapping.dmp

  • memory/1360-56-0x0000000075E11000-0x0000000075E13000-memory.dmp

    Filesize

    8KB

  • memory/1360-57-0x00000000034D0000-0x0000000003F8A000-memory.dmp

    Filesize

    10.7MB

  • memory/1544-59-0x0000000000000000-mapping.dmp