Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-07-2023 02:39

General

  • Target

    saxbn.exe

  • Size

    1.7MB

  • MD5

    af7aac457eaefe1c228937403b933251

  • SHA1

    166cbb657538ad45778dc77b9ae2b70eb961038b

  • SHA256

    24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

  • SHA512

    9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

  • SSDEEP

    49152:1Z6ZbaHcYz5aAVKiw6ZWqTG93jJ3hWpVc5:1g3Yz5J/693km

Malware Config

Signatures

  • Blackmoon, KrBanker

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

  • Detect Blackmoon payload 5 IoCs
  • Gh0st RAT payload 1 IoCs
  • Gh0strat

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

  • Blocklisted process makes network request 36 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\saxbn.exe
    "C:\Users\Admin\AppData\Local\Temp\saxbn.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5104
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
      • Blocklisted process makes network request
      PID:1932
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:4128
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        2⤵
          PID:4416
        • C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:344
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 344 -s 420
            3⤵
            • Program crash
            PID:4380
        • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          2⤵
          • Executes dropped EXE
          PID:3312
        • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1252
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe
          2⤵
            PID:4524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 180 -p 344 -ip 344
          1⤵
            PID:4944

          Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe

            Filesize

            1.7MB

            MD5

            af7aac457eaefe1c228937403b933251

            SHA1

            166cbb657538ad45778dc77b9ae2b70eb961038b

            SHA256

            24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

            SHA512

            9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

          • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe

            Filesize

            1.7MB

            MD5

            af7aac457eaefe1c228937403b933251

            SHA1

            166cbb657538ad45778dc77b9ae2b70eb961038b

            SHA256

            24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

            SHA512

            9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

          • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe

            Filesize

            1.7MB

            MD5

            af7aac457eaefe1c228937403b933251

            SHA1

            166cbb657538ad45778dc77b9ae2b70eb961038b

            SHA256

            24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

            SHA512

            9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

          • C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe

            Filesize

            1.7MB

            MD5

            af7aac457eaefe1c228937403b933251

            SHA1

            166cbb657538ad45778dc77b9ae2b70eb961038b

            SHA256

            24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

            SHA512

            9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

          • C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe

            Filesize

            1.7MB

            MD5

            af7aac457eaefe1c228937403b933251

            SHA1

            166cbb657538ad45778dc77b9ae2b70eb961038b

            SHA256

            24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

            SHA512

            9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

          • memory/344-148-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/344-158-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/344-149-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/344-150-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/344-156-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/344-147-0x0000000000400000-0x0000000000426000-memory.dmp

            Filesize

            152KB

          • memory/1252-165-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-168-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-175-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-173-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-166-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-172-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-167-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1252-169-0x0000000000400000-0x0000000000449000-memory.dmp

            Filesize

            292KB

          • memory/1932-137-0x0000000000400000-0x0000000000460000-memory.dmp

            Filesize

            384KB

          • memory/1932-151-0x0000000010000000-0x0000000010015000-memory.dmp

            Filesize

            84KB

          • memory/1932-136-0x0000000000400000-0x0000000000460000-memory.dmp

            Filesize

            384KB

          • memory/1932-138-0x0000000000400000-0x0000000000460000-memory.dmp

            Filesize

            384KB

          • memory/1932-140-0x0000000000400000-0x0000000000460000-memory.dmp

            Filesize

            384KB

          • memory/5104-135-0x0000000001320000-0x0000000001328000-memory.dmp

            Filesize

            32KB

          • memory/5104-181-0x0000000010000000-0x0000000011000000-memory.dmp

            Filesize

            16.0MB