Analysis

  • max time kernel
    140s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-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 3 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 44 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 8 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\saxbn.exe
    "C:\Users\Admin\AppData\Local\Temp\saxbn.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:1684
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        2⤵
        • Blocklisted process makes network request
        PID:1276
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        2⤵
          PID:1092
        • C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          2⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1156
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1156 -s 132
            3⤵
            • Loads dropped DLL
            • Program crash
            PID:292
        • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          2⤵
          • Executes dropped EXE
          PID:1020
        • 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:1756
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe
          2⤵
            PID:1620

        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

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

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

          Filesize

          1.7MB

          MD5

          af7aac457eaefe1c228937403b933251

          SHA1

          166cbb657538ad45778dc77b9ae2b70eb961038b

          SHA256

          24411c2364855dfecc955f5ce2081d2ba9af1cb108eef97963b3c8a91ff288b8

          SHA512

          9b77d0605b3d4e0b79fc7ad01f7873e04c1331e438f20960fb18d51f4063ecb1c4df2d739e7731d78f2f5c89555e0135db65429baebc03a0144fc756f8410f8c

        • memory/1156-84-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-94-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-95-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1156-92-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-90-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-85-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-98-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1156-83-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1276-57-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1276-77-0x0000000010000000-0x0000000010015000-memory.dmp

          Filesize

          84KB

        • memory/1276-66-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1276-63-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1276-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1276-61-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1276-59-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1276-58-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1432-56-0x0000000000100000-0x0000000000108000-memory.dmp

          Filesize

          32KB

        • memory/1756-112-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-113-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-115-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-117-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-119-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-121-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-122-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1756-111-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-125-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-126-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/1756-127-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB