Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-12-2022 22:52

General

  • Target

    c4a82c03574924a566036306258c1e16da7cc53417b86297925aecd115a15485.exe

  • Size

    68KB

  • MD5

    f2cf3c7dc180d86be4631f20336c156f

  • SHA1

    41fb4a5b4da1c04a0d3df1aa4fbd58f262e2f6d5

  • SHA256

    c4a82c03574924a566036306258c1e16da7cc53417b86297925aecd115a15485

  • SHA512

    97943c17613191be5e3332b613cb2eda7ccc9f0b9d1bf9b27a6c205bc4b4ac32dd52383a189dc9e367e3a6cc2e335f3fdb2db80053e89b1d4ad7ccbdedb02f00

  • SSDEEP

    1536:p1xXPTuoGIBhnKs8aY6y6iuYQSewnnvxiBoKB62vNTVYfZIe:9+aY4ge2xuqkNpA

Malware Config

Signatures

  • Creates new service(s) 1 TTPs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 6 IoCs
  • Drops file in Windows directory 3 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
  • Modifies registry class 64 IoCs
  • Modifies registry key 1 TTPs 2 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4a82c03574924a566036306258c1e16da7cc53417b86297925aecd115a15485.exe
    "C:\Users\Admin\AppData\Local\Temp\c4a82c03574924a566036306258c1e16da7cc53417b86297925aecd115a15485.exe"
    1⤵
    • Checks computer location settings
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:884
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files\69SKI4U36H.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4800
      • C:\Windows\SysWOW64\sc.exe
        sc.exe create A2TLSXPQDWBinPath= "C:\Program Files\FFH58\2JEVE.exe -start" type= own type= interact start= auto DisplayName= I9R4FLII5ZF
        3⤵
        • Launches sc.exe
        PID:2448
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /u /s shimgvw.dll
        3⤵
          PID:3484
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe /u /s itss.dll
          3⤵
            PID:3528
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s scrrun.dll
            3⤵
            • Modifies registry class
            PID:608
          • C:\Windows\SysWOW64\regsvr32.exe
            regsvr32.exe /u /s vbscript.dll
            3⤵
              PID:612
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32.exe /s jscript.dll
              3⤵
              • Modifies registry class
              PID:1452
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:5016
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:676
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
              3⤵
              • Modifies Internet Explorer settings
              PID:2092
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:4620
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v DisableScriptDebuggerIE /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:1792
            • C:\Windows\SysWOW64\reg.exe
              reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Disable Script Debugger" /t REG_SZ /d yes /F
              3⤵
              • Modifies Internet Explorer settings
              PID:4216
            • C:\Windows\SysWOW64\reg.exe
              reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
              3⤵
              • Adds Run key to start application
              • Modifies registry key
              PID:1064
          • C:\Program Files\8N33Z0P4Q.exe
            "C:\Program Files\8N33Z0P4Q.exe" C:\Users\Admin\AppData\Local\Temp\c4a82c03574924a566036306258c1e16da7cc53417b86297925aecd115a15485.exe
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:2320
          • C:\Program Files\8N33Z0P4Q.exe
            "C:\Program Files\8N33Z0P4Q.exe" WYOCV3
            2⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1336
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Program Files\12X9UO0J.bat""
            2⤵
            • Suspicious use of WriteProcessMemory
            PID:1584
            • C:\Windows\SysWOW64\sc.exe
              sc.exe create VZADNINFBinPath= "C:\Program Files\9KXXZ80F4HV\ZCHG9K0SKDZ.exe -start" type= own type= interact start= auto DisplayName= 76OYBSIJOB
              3⤵
              • Launches sc.exe
              PID:3412
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32.exe /u /s shimgvw.dll
              3⤵
                PID:488
              • C:\Windows\SysWOW64\regsvr32.exe
                regsvr32.exe /u /s itss.dll
                3⤵
                  PID:2736
                • C:\Windows\SysWOW64\regsvr32.exe
                  regsvr32.exe /u /s scrrun.dll
                  3⤵
                    PID:2540
                  • C:\Windows\SysWOW64\regsvr32.exe
                    regsvr32.exe /u /s vbscript.dll
                    3⤵
                      PID:2288
                    • C:\Windows\SysWOW64\regsvr32.exe
                      regsvr32.exe /s jscript.dll
                      3⤵
                      • Modifies registry class
                      PID:692
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Background_Sounds /t REG_SZ /d no /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:4420
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v Play_Animations /t REG_SZ /d no /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:4484
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Videos" /t REG_SZ /d no /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:1060
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Display Inline Images" /t REG_SZ /d yes /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:4712
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v DisableScriptDebuggerIE /t REG_SZ /d yes /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:5008
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe ADD "HKCU\Software\Microsoft\Internet Explorer\Main" /v "Disable Script Debugger" /t REG_SZ /d yes /F
                      3⤵
                      • Modifies Internet Explorer settings
                      PID:1132
                    • C:\Windows\SysWOW64\reg.exe
                      reg.exe delete HKLM\Software\Microsoft\Windows\CurrentVersion\Run /F
                      3⤵
                      • Modifies registry key
                      PID:5072

                Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Program Files\12X9UO0J.bat

                  Filesize

                  1KB

                  MD5

                  a7f480ec3a33820aba1ca005686a9aa1

                  SHA1

                  33458bfe01daeeeea1e174f1dac59180053eef93

                  SHA256

                  e1305452d7a7b14e3ad4bbcaec605e3a4219885be6c7a7bfef4a21e573eb5353

                  SHA512

                  813e6080c239ec8d2215437c392932669fbeaa1efd8ee6c05e21ea8069dabdb391eb0c091b74ffa175d0aebab84d419fa69cd7fdca9c060c7e5cdbb2b75427c9

                • C:\Program Files\69SKI4U36H.bat

                  Filesize

                  1KB

                  MD5

                  351ced9309d4b5bfbb3270d8e1ac50c1

                  SHA1

                  ca98bc69a222963e352d7dcffed0c6f5cba8323e

                  SHA256

                  eb9a4494c32e85c6a4168f322abd9544a91b4db0619d4c0ef8fb51125998f3f8

                  SHA512

                  9d67aba96fcc03f36463433552a7a0be12b6f1ceebbfac1ba59dac920b4d3ee4cbdfcc2010e1fc890828dec2947c876f16468f408b6e88e7d3fd87211796fdfc

                • C:\Program Files\8N33Z0P4Q.exe

                  Filesize

                  32KB

                  MD5

                  5efcd9bd040df3f1a91ccca5e2996f1a

                  SHA1

                  cf3b753ccb21a215a716873f0121235611933ba2

                  SHA256

                  969e0c9b3947de3e494da83c2ee120ce9dc3b751a74b8f8629b26dc09a736a1d

                  SHA512

                  e707bca1dd4760f422d7b98226e95e7fe4482bb5f4fadd9d770322680816e4105c06f16a8af3a00b375df73b9e97086b14c4e2aa03ad4c0558ad36c1e94f0ee7

                • C:\Program Files\8N33Z0P4Q.exe

                  Filesize

                  32KB

                  MD5

                  5efcd9bd040df3f1a91ccca5e2996f1a

                  SHA1

                  cf3b753ccb21a215a716873f0121235611933ba2

                  SHA256

                  969e0c9b3947de3e494da83c2ee120ce9dc3b751a74b8f8629b26dc09a736a1d

                  SHA512

                  e707bca1dd4760f422d7b98226e95e7fe4482bb5f4fadd9d770322680816e4105c06f16a8af3a00b375df73b9e97086b14c4e2aa03ad4c0558ad36c1e94f0ee7

                • C:\Program Files\8N33Z0P4Q.exe

                  Filesize

                  32KB

                  MD5

                  5efcd9bd040df3f1a91ccca5e2996f1a

                  SHA1

                  cf3b753ccb21a215a716873f0121235611933ba2

                  SHA256

                  969e0c9b3947de3e494da83c2ee120ce9dc3b751a74b8f8629b26dc09a736a1d

                  SHA512

                  e707bca1dd4760f422d7b98226e95e7fe4482bb5f4fadd9d770322680816e4105c06f16a8af3a00b375df73b9e97086b14c4e2aa03ad4c0558ad36c1e94f0ee7