Analysis

  • max time kernel
    125s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    18-04-2022 12:01

General

  • Target

    ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe

  • Size

    293KB

  • MD5

    3558dd95b0781abdbf68553e9fade5d2

  • SHA1

    841d66b95cb59561cdac3b24cd9bddd342b43a60

  • SHA256

    ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68

  • SHA512

    46a742670dab503e2ee2970d2c0aa004098ec523e22df44969c1aed3899f2c7509e4055d35d38ec3839247161dabfe98de04e97d21807257c8d3553d9bb3b00b

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\ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe
    "C:\Users\Admin\AppData\Local\Temp\ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 620
      2⤵
      • Program crash
      PID:1092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 660
      2⤵
      • Program crash
      PID:2104
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 548
      2⤵
      • Program crash
      PID:1520
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 808
      2⤵
      • Program crash
      PID:1220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 812
      2⤵
      • Program crash
      PID:3568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1088
      2⤵
      • Program crash
      PID:2332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1256
      2⤵
      • Program crash
      PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4868
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "ae2b0e8314c477c7923cabf9e357c3d11b96c0871c6ae74a5e9cc75b0c9afd68.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3496
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 1408
      2⤵
      • Program crash
      PID:4856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1788 -ip 1788
    1⤵
      PID:32
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 1788 -ip 1788
      1⤵
        PID:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1788 -ip 1788
        1⤵
          PID:1492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 572 -p 1788 -ip 1788
          1⤵
            PID:3460
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 1788 -ip 1788
            1⤵
              PID:4456
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1788 -ip 1788
              1⤵
                PID:3900
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 596 -p 1788 -ip 1788
                1⤵
                  PID:5040
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 624 -p 1788 -ip 1788
                  1⤵
                    PID:1504

                  Network

                  MITRE ATT&CK Enterprise v6

                  Replay Monitor

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                  Downloads

                  • memory/1788-130-0x000000000078D000-0x00000000007B5000-memory.dmp

                    Filesize

                    160KB

                  • memory/1788-131-0x0000000002290000-0x00000000022D6000-memory.dmp

                    Filesize

                    280KB

                  • memory/1788-132-0x0000000000400000-0x0000000000503000-memory.dmp

                    Filesize

                    1.0MB