Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • submitted
    07/04/2024, 13:41

General

  • Target
    e51038570d307a474c11dad48a5503c2_JaffaCakes118.exe
  • Size 4.3MB
  • Sample240407-qzfrcseb59
  • SHA256 65624215e9613e4922c32eb184b75ea1334a6a2fa32d45ef535918ef7b9a9eca
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • socelars

C2
  • http://www.iyiqian.com/

  • http://www.xxhufdc.top/

  • http://www.uefhkice.xyz/

  • http://www.fcektsy.top/

Extracted

Family
  • nullmixer

C2
  • http://marisana.xyz/

Extracted

Family
  • smokeloader

Botnet
  • pub6

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 7 IoCs
  • NullMixer

    NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

  • Nullmixer family
  • PrivateLoader

    PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

  • Privateloader family
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Smokeloader family
  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Socelars family
  • Socelars payload 3 IoCs
  • ASPack v2.12-2.42 3 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 14 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops Chrome extension 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 5 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 21 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies data under HKEY_USERS 25 IoCs
  • Suspicious behavior: EnumeratesProcesses 40 IoCs
  • Suspicious use of AdjustPrivilegeToken 44 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e51038570d307a474c11dad48a5503c2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e51038570d307a474c11dad48a5503c2_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5072
    • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\setup_install.exe
      "C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\setup_install.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c e39b4f027dbfff1.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\e39b4f027dbfff1.exe
          e39b4f027dbfff1.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1696
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1696 -s 288
            5⤵
            • Program crash
            PID:380
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 6d020bf942ef2.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5064
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\6d020bf942ef2.exe
          6d020bf942ef2.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1220
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c d62bd528954.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4580
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\d62bd528954.exe
          d62bd528954.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2648
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 8b2ad6130623.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4152
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\8b2ad6130623.exe
          8b2ad6130623.exe
          4⤵
          • Executes dropped EXE
          PID:3488
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 60cd78db5.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4608
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\60cd78db5.exe
          60cd78db5.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:3432
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 05c79c1bd7.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3148
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\05c79c1bd7.exe
          05c79c1bd7.exe
          4⤵
          • Executes dropped EXE
          • Drops Chrome extension
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4988
          • C:\Windows\SysWOW64\cmd.exe
            cmd.exe /c taskkill /f /im chrome.exe
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2776
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 243b4b2a1b885136.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\243b4b2a1b885136.exe
          243b4b2a1b885136.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4212
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1792
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1792 -s 996
              6⤵
              • Program crash
              PID:3896
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4996
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 40f6bbdf8.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\40f6bbdf8.exe
          40f6bbdf8.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:5096
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c 7a71a615879.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2928
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\7a71a615879.exe
          7a71a615879.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3000
          • C:\Users\Admin\AppData\Local\Temp\chrome2.exe
            "C:\Users\Admin\AppData\Local\Temp\chrome2.exe"
            5⤵
            • Executes dropped EXE
            PID:312
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3000 -s 1180
            5⤵
            • Program crash
            PID:4476
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c e39b4f027dbfff010.exe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:992
        • C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\e39b4f027dbfff010.exe
          e39b4f027dbfff010.exe
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:1868
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 576
        3⤵
        • Program crash
        PID:1244
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1860 -ip 1860
    1⤵
      PID:4088
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 1792 -ip 1792
      1⤵
        PID:3164
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3000 -ip 3000
        1⤵
          PID:948
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          1⤵
          • Checks SCSI registry key(s)
          • Enumerates system info in registry
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:4896
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          1⤵
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:3976
        • C:\Windows\system32\dwm.exe
          "dwm.exe"
          1⤵
            PID:320

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                05c79c1bd7.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\05c79c1bd7.exe
                • Size 1.4MB
                • SHA256 e3c9119e809a1240caaaf4b6d5420352f037cc2585cb321cb746f05ed0ec0e43
                • MD5 SHA1 SHA512 SSDEEP

                243b4b2a1b885136.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\243b4b2a1b885136.exe
                • Size 1009KB
                • SHA256 e254914f5f7feb6bf10041e2c705d469bc2b292d709dc944381db5911beb1d9f
                • MD5 SHA1 SHA512 SSDEEP

                40f6bbdf8.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\40f6bbdf8.exe
                • Size 222KB
                • SHA256 dc5bbf1ea15c5235185184007d3e6183c7aaeb51e6684fbd106489af3255a378
                • MD5 SHA1 SHA512 SSDEEP

                60cd78db5.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\60cd78db5.exe
                • Size 1.6MB
                • SHA256 1cdddf182f161ab789edfcc68a0706d0b8412a9ba67a3f918fe60fab270eabff
                • MD5 SHA1 SHA512 SSDEEP

                6d020bf942ef2.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\6d020bf942ef2.exe
                • Size 8KB
                • SHA256 a5f373f8bcfae3d9f4895c477206de63f66f08e66b413114cf2666bed798eb71
                • MD5 SHA1 SHA512 SSDEEP

                7a71a615879.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\7a71a615879.exe
                • Size 923KB
                • SHA256 c5483b2acbb352dc5c9a811d9616c4519f0e07c13905552be5ec869613ada775
                • MD5 SHA1 SHA512 SSDEEP

                8b2ad6130623.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\8b2ad6130623.exe
                • Size 241KB
                • SHA256 9e1a149370efe9814bf2cbd87acfcfa410d1769efd86a9722da4373d6716d22e
                • MD5 SHA1 SHA512 SSDEEP

                d62bd528954.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\d62bd528954.exe
                • Size 155KB
                • SHA256 8bd8f7a32de3d979cae2f487ad2cc5a495afa1bfb1c740e337c47d1e2196e1f2
                • MD5 SHA1 SHA512 SSDEEP

                e39b4f027dbfff010.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\e39b4f027dbfff010.exe
                • Size 56KB
                • SHA256 9dcacda3913e30cafd92c909648b5bffde14b8e39e6adbfb15628006c0d4d3c2
                • MD5 SHA1 SHA512 SSDEEP

                e39b4f027dbfff1.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\e39b4f027dbfff1.exe
                • Size 589KB
                • SHA256 b151ffd0f57b21600a05bb28c5d1f047f423bba9750985ab6c3ffba7a33fa0ff
                • MD5 SHA1 SHA512 SSDEEP

                libcurl.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\libcurl.dll
                • Size 218KB
                • SHA256 0de53e7be51789adaec5294346220b20f793e7f8d153a3c110a92d658760697e
                • MD5 SHA1 SHA512 SSDEEP

                libcurlpp.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\libcurlpp.dll
                • Size 54KB
                • SHA256 43e86d650a68f1f91fa2f4375aff2720e934aa78fa3d33e06363122bf5a9535f
                • MD5 SHA1 SHA512 SSDEEP

                libgcc_s_dw2-1.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\libgcc_s_dw2-1.dll
                • Size 113KB
                • SHA256 59a466f77584438fc3abc0f43edc0fc99d41851726827a008841f05cfe12da7e
                • MD5 SHA1 SHA512 SSDEEP

                libstdc++-6.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\libstdc++-6.dll
                • Size 647KB
                • SHA256 97de47068327bb822b33c7106f9cbb489480901a6749513ef5c31d229dcaca87
                • MD5 SHA1 SHA512 SSDEEP

                libwinpthread-1.dll

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\libwinpthread-1.dll
                • Size 69KB
                • SHA256 509cb1d1443b623a02562ac760bced540e327c65157ffa938a22f75e38155723
                • MD5 SHA1 SHA512 SSDEEP

                setup_install.exe

                • Path C:\Users\Admin\AppData\Local\Temp\7zS0D322D77\setup_install.exe
                • Size 8.2MB
                • SHA256 8aebdf8c1fb2eef5a5bcd015c2c7573dcb7283ba9931ca62dc6f3e91dd551366
                • MD5 SHA1 SHA512 SSDEEP

                1cr.exe

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1cr.exe
                • Size 1.2MB
                • SHA256 949eec48613bd1ce5dd05631602e1e1571fa9d6b0034ab1bffe313e923aff29c
                • MD5 SHA1 SHA512 SSDEEP

                BUILD1~1.EXE

                • Path C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\BUILD1~1.EXE
                • Size 117KB
                • SHA256 e2bb9ee3616cd827cc3ee297cbe24cfbd2ded4d9efe894e68453f6cfbf18e4c5
                • MD5 SHA1 SHA512 SSDEEP

                chrome2.exe

                • Path C:\Users\Admin\AppData\Local\Temp\chrome2.exe
                • Size 43KB
                • SHA256 dc10f50f9761f6fbafe665e75a331b2048a285b1857ad95e0611ace825cba388
                • MD5 SHA1 SHA512 SSDEEP

                setup.exe

                • Path C:\Users\Admin\AppData\Local\Temp\setup.exe
                • Size 869KB
                • SHA256 bef1cffaba8186ce62265e0b322ca9fd9326a8929591df569a4953456c752137
                • MD5 SHA1 SHA512 SSDEEP

                memory/1220-74-0x0000000000FA0000-0x0000000000FA8000-memory.dmp

                memory/1220-102-0x00007FFB5CE70000-0x00007FFB5D931000-memory.dmp

                memory/1220-111-0x0000000003060000-0x0000000003070000-memory.dmp

                memory/1696-165-0x0000000002CE0000-0x0000000002DE0000-memory.dmp

                memory/1792-108-0x0000000000480000-0x00000000005C2000-memory.dmp

                memory/1792-114-0x0000000004E60000-0x0000000004EF2000-memory.dmp

                memory/1792-116-0x0000000005110000-0x0000000005120000-memory.dmp

                memory/1792-112-0x00000000054F0000-0x0000000005A94000-memory.dmp

                memory/1792-109-0x00000000731B0000-0x0000000073960000-memory.dmp

                memory/1792-120-0x0000000004F10000-0x0000000004F1A000-memory.dmp

                memory/1860-40-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/1860-140-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/1860-39-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/1860-34-0x0000000064940000-0x0000000064959000-memory.dmp

                memory/1860-139-0x000000006EB40000-0x000000006EB63000-memory.dmp

                memory/1860-35-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/1860-33-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/1860-30-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/1860-41-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/1860-138-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/1860-32-0x000000006B440000-0x000000006B4CF000-memory.dmp

                memory/1860-137-0x0000000064940000-0x0000000064959000-memory.dmp

                memory/1860-36-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/1860-26-0x000000006B280000-0x000000006B2A6000-memory.dmp

                memory/1860-37-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/1860-136-0x0000000000400000-0x0000000000B33000-memory.dmp

                memory/1860-38-0x000000006FE40000-0x000000006FFC6000-memory.dmp

                memory/2648-101-0x00000000020D0000-0x00000000020F0000-memory.dmp

                memory/2648-107-0x00000000020F0000-0x00000000020F6000-memory.dmp

                memory/2648-78-0x0000000000040000-0x000000000006C000-memory.dmp

                memory/2648-82-0x00007FFB5CE70000-0x00007FFB5D931000-memory.dmp

                memory/2648-83-0x00000000020C0000-0x00000000020C6000-memory.dmp

                memory/2648-115-0x000000001ADC0000-0x000000001ADD0000-memory.dmp

                memory/3000-103-0x0000000000390000-0x000000000047E000-memory.dmp

                memory/3000-113-0x00000000731B0000-0x0000000073960000-memory.dmp

                memory/3000-164-0x00000000731B0000-0x0000000073960000-memory.dmp

                memory/5096-141-0x0000000002CFE000-0x0000000002D07000-memory.dmp

                memory/5096-142-0x0000000002DF0000-0x0000000002DF9000-memory.dmp

                memory/5096-143-0x0000000002CFE000-0x0000000002D07000-memory.dmp