Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 18:56

General

  • Target

    a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe

  • Size

    3.2MB

  • MD5

    cbf5e9777d52cf7d46e24e1164fd8f9a

  • SHA1

    4ad243a34114597680bbe3d99974d0ab4e8772cf

  • SHA256

    a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474

  • SHA512

    8bb8112dfb133ae22a038f472e7e046a85587794bf6361a705714001e5798330a7f8ab8a0e9c064f382f6ba505174fccede348c61bfc5af20a2d971b76f76d90

  • SSDEEP

    98304:tGdVyVT9nOgmhp8ahWyGf9kIIhWU3tiy4lqg9:qWT9nO7QahWHf9mF

Malware Config

Signatures

  • Blackmoon, KrBanker

    Blackmoon also known as KrBanker is banking trojan first discovered in early 2014.

  • Detect Blackmoon payload 2 IoCs
  • Detect PurpleFox Rootkit 11 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 12 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Drops file in Drivers directory 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 16 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe
    "C:\Users\Admin\AppData\Local\Temp\a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\\svchost.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\svchost.exe > nul
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1156
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:1544
    • C:\Users\Admin\AppData\Local\Temp\svchos.exe
      C:\Users\Admin\AppData\Local\Temp\\svchos.exe
      2⤵
      • Sets DLL path for service in the registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      PID:3036
    • C:\Users\Admin\AppData\Local\Temp\HD_a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe
      C:\Users\Admin\AppData\Local\Temp\HD_a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3996
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3996 -s 788
        3⤵
        • Program crash
        PID:4344
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:3856
    • C:\Windows\SysWOW64\TXPlatforn.exe
      C:\Windows\SysWOW64\TXPlatforn.exe -acsi
      2⤵
      • Drops file in Drivers directory
      • Sets service image path in registry
      • Executes dropped EXE
      • Suspicious behavior: LoadsDriver
      • Suspicious use of AdjustPrivilegeToken
      PID:4808
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:3920
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:64
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\240601984.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:4628
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3996 -ip 3996
      1⤵
        PID:1992

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Persistence

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Privilege Escalation

      Boot or Logon Autostart Execution

      2
      T1547

      Registry Run Keys / Startup Folder

      2
      T1547.001

      Defense Evasion

      Modify Registry

      2
      T1112

      Discovery

      System Information Discovery

      1
      T1082

      Remote System Discovery

      1
      T1018

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\HD_X.dat
        Filesize

        1.5MB

        MD5

        83257d05354dce216d519102063da567

        SHA1

        f9b552e6704947f917a057a4bb159670611a4386

        SHA256

        11e3a33f34d2ebde761550c44ec0cbd15b6da800374a4db2d9a072c657ba0fd0

        SHA512

        70c97431adf023994014902b4ecdabf14dc5f3904ce20698225db9e70f853bb957928d0530605c7426e24a9e03a40178a4cff5a0a96ad099d0ea1718d5234e38

      • C:\Users\Admin\AppData\Local\Temp\HD_a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe
        Filesize

        1.7MB

        MD5

        090d538cadd89a5a152a4a7979e0a01c

        SHA1

        c9fcc419bf706d986d2f89a689d78d9743f1b72b

        SHA256

        8b576cdaa5dcf87e1a9f1db8ffa5ac53e2c633aa0ebd83b34118fabe8b66184a

        SHA512

        dbdcdc150021fad3caae7043f4387e208e8432c77e306f355982b1ee1233c6518965b2fe042fee1356253c50e8b4cac4b1cf588d7fd709b4cc6d225d58c8ae81

      • C:\Users\Admin\AppData\Local\Temp\svchos.exe
        Filesize

        93KB

        MD5

        3b377ad877a942ec9f60ea285f7119a2

        SHA1

        60b23987b20d913982f723ab375eef50fafa6c70

        SHA256

        62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

        SHA512

        af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

      • C:\Users\Admin\AppData\Local\Temp\svchost.exe
        Filesize

        377KB

        MD5

        a4329177954d4104005bce3020e5ef59

        SHA1

        23c29e295e2dbb8454012d619ca3f81e4c16e85a

        SHA256

        6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

        SHA512

        81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

      • C:\Windows\SysWOW64\240601984.txt
        Filesize

        50KB

        MD5

        d708f4a8ac2ffaab65da7f12ab464de6

        SHA1

        0c64cd5336757b3e482c032b4d032c8c57985acd

        SHA256

        5eda564ac3784c885e0d64e03b6afca12ee037aa666be15a6dd694d79b0998c1

        SHA512

        24b7879f33ba64837a55301af603bd1e851cb76df8d5bc0dbd26c3891af807342ca952ae7a3f093ebb80c958f81640c10415d35af0f37d3f0661505873b96547

      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        Filesize

        60KB

        MD5

        889b99c52a60dd49227c5e485a016679

        SHA1

        8fa889e456aa646a4d0a4349977430ce5fa5e2d7

        SHA256

        6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

        SHA512

        08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

      • memory/1192-7-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1192-6-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1192-5-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/1192-10-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3856-13-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3856-28-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3856-15-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3856-17-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3856-16-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/3996-49-0x0000000000400000-0x0000000000B5E000-memory.dmp
        Filesize

        7.4MB

      • memory/3996-50-0x0000000010000000-0x0000000010009000-memory.dmp
        Filesize

        36KB

      • memory/3996-55-0x0000000000400000-0x0000000000B5E000-memory.dmp
        Filesize

        7.4MB

      • memory/4808-32-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4808-33-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4808-35-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB

      • memory/4808-38-0x0000000010000000-0x00000000101B6000-memory.dmp
        Filesize

        1.7MB