Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-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 1 IoCs
  • Detect PurpleFox Rootkit 9 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 10 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 16 IoCs
  • UPX packed file 14 IoCs

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

  • Drops file in System32 directory 6 IoCs
  • Drops file in Program Files directory 4 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 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe
    "C:\Users\Admin\AppData\Local\Temp\a266e21b9ec648c6fffc971e671342aa0e847c4bfccddb50a365f0dfc1bea474.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1908
    • 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:2212
      • 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:2640
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 2 127.0.0.1
          4⤵
          • Runs ping.exe
          PID:2456
    • 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:2244
    • 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
      • Suspicious use of WriteProcessMemory
      PID:2556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2556 -s 356
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:1660
  • C:\Windows\SysWOW64\TXPlatforn.exe
    C:\Windows\SysWOW64\TXPlatforn.exe -auto
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1280
    • 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:2656
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "Ö÷¶¯·ÀÓù·þÎñÄ£¿é"
    1⤵
      PID:2004
    • 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:2692
      • C:\Windows\SysWOW64\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe
        C:\Windows\system32\Ö÷¶¯·ÀÓù·þÎñÄ£¿é.exe "c:\windows\system32\259399226.txt",MainThread
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1840

    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\svchost.exe
      Filesize

      377KB

      MD5

      a4329177954d4104005bce3020e5ef59

      SHA1

      23c29e295e2dbb8454012d619ca3f81e4c16e85a

      SHA256

      6156d003d54dcf2ee92f21bd6e7a6a7f91730bd2804381260bcabe465abe6ddd

      SHA512

      81e9d456a4abfc7cd9e0943d4a0ce15523362c3179f3368381d1d7974f80a9f9113b5404b96e67e91684e0ea1895b7d0073e4c48d0bfc4fd0244b1af6acf0208

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

      43KB

      MD5

      51138beea3e2c21ec44d0932c71762a8

      SHA1

      8939cf35447b22dd2c6e6f443446acc1bf986d58

      SHA256

      5ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124

      SHA512

      794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d

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

      1.7MB

      MD5

      090d538cadd89a5a152a4a7979e0a01c

      SHA1

      c9fcc419bf706d986d2f89a689d78d9743f1b72b

      SHA256

      8b576cdaa5dcf87e1a9f1db8ffa5ac53e2c633aa0ebd83b34118fabe8b66184a

      SHA512

      dbdcdc150021fad3caae7043f4387e208e8432c77e306f355982b1ee1233c6518965b2fe042fee1356253c50e8b4cac4b1cf588d7fd709b4cc6d225d58c8ae81

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

      93KB

      MD5

      3b377ad877a942ec9f60ea285f7119a2

      SHA1

      60b23987b20d913982f723ab375eef50fafa6c70

      SHA256

      62954fdf65e629b39a29f539619d20691332184c6b6be5a826128a8e759bfa84

      SHA512

      af3a71f867ad9d28772c48b521097f9bf8931eb89fd2974e8de10990241419a39ddc3c0b36dd38aac4fdf14e1f0c5e228692618e93adce958d5b5dab8940e46f

    • \Windows\SysWOW64\259399226.txt
      Filesize

      50KB

      MD5

      d708f4a8ac2ffaab65da7f12ab464de6

      SHA1

      0c64cd5336757b3e482c032b4d032c8c57985acd

      SHA256

      5eda564ac3784c885e0d64e03b6afca12ee037aa666be15a6dd694d79b0998c1

      SHA512

      24b7879f33ba64837a55301af603bd1e851cb76df8d5bc0dbd26c3891af807342ca952ae7a3f093ebb80c958f81640c10415d35af0f37d3f0661505873b96547

    • memory/1280-29-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/1908-58-0x0000000002B30000-0x000000000328E000-memory.dmp
      Filesize

      7.4MB

    • memory/1908-111-0x0000000002B30000-0x000000000328E000-memory.dmp
      Filesize

      7.4MB

    • memory/1908-56-0x0000000002B30000-0x000000000328E000-memory.dmp
      Filesize

      7.4MB

    • memory/2212-7-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2212-5-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2212-9-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2212-8-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2212-22-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2556-59-0x0000000010000000-0x0000000010009000-memory.dmp
      Filesize

      36KB

    • memory/2556-57-0x0000000000400000-0x0000000000B5E000-memory.dmp
      Filesize

      7.4MB

    • memory/2556-110-0x0000000000400000-0x0000000000B5E000-memory.dmp
      Filesize

      7.4MB

    • memory/2656-45-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2656-40-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2656-36-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB

    • memory/2656-32-0x0000000010000000-0x00000000101B6000-memory.dmp
      Filesize

      1.7MB