Analysis

  • max time kernel
    137s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230703-en
  • resource tags

    arch:x64arch:x86image:win7-20230703-enlocale:en-usos:windows7-x64system
  • submitted
    05-07-2023 05:21

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 4 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 54 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 51 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:2280
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe
      2⤵
        PID:2288
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe
        2⤵
          PID:2296
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe
          2⤵
          • Blocklisted process makes network request
          PID:1652
        • C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          C:\Users\Admin\AppData\Local\Temp\secvbnmcxccvxcxcsdsdsxcxczsasadrunshellcode86000.exe
          2⤵
          • Enumerates connected drives
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:1200
        • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          2⤵
          • Executes dropped EXE
          PID:524
        • C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          C:\Users\Admin\AppData\Local\Temp\mecxzcaasxzcxcassascxcxcx23667.exe
          2⤵
          • Enumerates connected drives
          • Executes dropped EXE
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:2220
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe
          2⤵
            PID:2980

        Network

        MITRE ATT&CK Enterprise v6

        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\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

        • \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

        • memory/1200-72-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-94-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-139-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-74-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-71-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-79-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-82-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1200-81-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-96-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-85-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1200-86-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-87-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-89-0x00000000003A0000-0x00000000003EA000-memory.dmp

          Filesize

          296KB

        • memory/1200-70-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1652-57-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1652-63-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1652-64-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/1652-61-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1652-66-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1652-75-0x0000000010000000-0x0000000010015000-memory.dmp

          Filesize

          84KB

        • memory/1652-59-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/1652-58-0x0000000000400000-0x0000000000460000-memory.dmp

          Filesize

          384KB

        • memory/2220-110-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-114-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-106-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-102-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-111-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2220-108-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-101-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-104-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-115-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-116-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-135-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-129-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-100-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2220-131-0x0000000000400000-0x0000000000449000-memory.dmp

          Filesize

          292KB

        • memory/2280-128-0x0000000010000000-0x0000000011000000-memory.dmp

          Filesize

          16.0MB

        • memory/2280-56-0x00000000000A0000-0x00000000000A8000-memory.dmp

          Filesize

          32KB