Analysis

  • max time kernel
    148s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:02

General

  • Target

    0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe

  • Size

    223KB

  • MD5

    4b1122220bbd158833723b40aa07303e

  • SHA1

    c38cc7596b9be3446969270431bb8e7fecc0bf3c

  • SHA256

    0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710

  • SHA512

    cd24ac38593e5a4a0f0b95b0f914164edc002a0abfd8aa9217e84e3d1f72df21c1ff2909c1f4719d4321dce080207af7c9eed4f714525c26a1b97ea8ceb0d9a4

Score
10/10

Malware Config

Signatures

  • OnlyLogger

    A tiny loader that uses IPLogger to get its payload.

  • OnlyLogger Payload 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 8 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe
    "C:\Users\Admin\AppData\Local\Temp\0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 612
      2⤵
      • Program crash
      PID:4544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 616
      2⤵
      • Program crash
      PID:1364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 576
      2⤵
      • Program crash
      PID:4168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 764
      2⤵
      • Program crash
      PID:848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 576
      2⤵
      • Program crash
      PID:1428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 784
      2⤵
      • Program crash
      PID:3484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 1232
      2⤵
      • Program crash
      PID:228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4612
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "0eb745cead135767710e12dbf09907c233eea1663215bac2bbe790f3ed02a710.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 1408
      2⤵
      • Program crash
      PID:3180
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4348 -ip 4348
    1⤵
      PID:3564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 4348 -ip 4348
      1⤵
        PID:1472
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4348 -ip 4348
        1⤵
          PID:1908
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4348 -ip 4348
          1⤵
            PID:828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4348 -ip 4348
            1⤵
              PID:4432
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4348 -ip 4348
              1⤵
                PID:2196
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4348 -ip 4348
                1⤵
                  PID:4764
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 4348 -ip 4348
                  1⤵
                    PID:1444

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • memory/4348-130-0x0000000000748000-0x0000000000770000-memory.dmp

                    Filesize

                    160KB

                  • memory/4348-131-0x0000000000748000-0x0000000000770000-memory.dmp

                    Filesize

                    160KB

                  • memory/4348-132-0x0000000002230000-0x0000000002276000-memory.dmp

                    Filesize

                    280KB

                  • memory/4348-133-0x0000000000400000-0x00000000004F1000-memory.dmp

                    Filesize

                    964KB