Analysis

  • max time kernel
    135s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    17-04-2022 09:04

General

  • Target

    63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe

  • Size

    517KB

  • MD5

    743d977bc5f5fdfe91819c3b9490933c

  • SHA1

    03142bb3481ba4d7ef874f98b1f7af21be4398db

  • SHA256

    63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7

  • SHA512

    dc2285a388808adfd516f31cc8e8402e66780c6d37df31e099172a3c3a2cb65b898deac8701c5add0cc96f360036b4ee8e4c82b2a42fd5fb45702292986ef14e

Malware Config

Extracted

Family

bazarloader

C2

195.123.241.204

89.32.41.191

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe
    "C:\Users\Admin\AppData\Local\Temp\63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3580
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe GPHG62
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\system32\PING.EXE
        ping 8.8.8.8 -n 2
        3⤵
        • Runs ping.exe
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe
        C:\Users\Admin\AppData\Local\Temp\63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7.exe GPHG62
        3⤵
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4800
        • C:\Windows\SYSTEM32\cmd.exe
          cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\GGH516C.exe TV25O48
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3880
          • C:\Windows\system32\PING.EXE
            ping 8.8.8.8 -n 2
            5⤵
            • Runs ping.exe
            PID:4340
          • C:\Users\Admin\AppData\Local\Temp\GGH516C.exe
            C:\Users\Admin\AppData\Local\Temp\GGH516C.exe TV25O48
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:1992
            • C:\Windows\SYSTEM32\cmd.exe
              cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\GGH516C.exe OEZE
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:4920
              • C:\Windows\system32\PING.EXE
                ping 8.8.8.8 -n 2
                7⤵
                • Runs ping.exe
                PID:3484
              • C:\Users\Admin\AppData\Local\Temp\GGH516C.exe
                C:\Users\Admin\AppData\Local\Temp\GGH516C.exe OEZE
                7⤵
                • Executes dropped EXE
                • Suspicious use of SetWindowsHookEx
                PID:3680

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Remote System Discovery

1
T1018

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\GGH516C.exe
    Filesize

    517KB

    MD5

    743d977bc5f5fdfe91819c3b9490933c

    SHA1

    03142bb3481ba4d7ef874f98b1f7af21be4398db

    SHA256

    63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7

    SHA512

    dc2285a388808adfd516f31cc8e8402e66780c6d37df31e099172a3c3a2cb65b898deac8701c5add0cc96f360036b4ee8e4c82b2a42fd5fb45702292986ef14e

  • C:\Users\Admin\AppData\Local\Temp\GGH516C.exe
    Filesize

    517KB

    MD5

    743d977bc5f5fdfe91819c3b9490933c

    SHA1

    03142bb3481ba4d7ef874f98b1f7af21be4398db

    SHA256

    63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7

    SHA512

    dc2285a388808adfd516f31cc8e8402e66780c6d37df31e099172a3c3a2cb65b898deac8701c5add0cc96f360036b4ee8e4c82b2a42fd5fb45702292986ef14e

  • C:\Users\Admin\AppData\Local\Temp\GGH516C.exe
    Filesize

    517KB

    MD5

    743d977bc5f5fdfe91819c3b9490933c

    SHA1

    03142bb3481ba4d7ef874f98b1f7af21be4398db

    SHA256

    63c47ac180d0a7c38b005d69afed8758618f2ca023e0c1fd6cc15f5e2886a3c7

    SHA512

    dc2285a388808adfd516f31cc8e8402e66780c6d37df31e099172a3c3a2cb65b898deac8701c5add0cc96f360036b4ee8e4c82b2a42fd5fb45702292986ef14e

  • memory/1992-154-0x0000000000000000-mapping.dmp
  • memory/3484-167-0x0000000000000000-mapping.dmp
  • memory/3580-134-0x0000000002190000-0x00000000021D7000-memory.dmp
    Filesize

    284KB

  • memory/3580-139-0x0000000000500000-0x0000000000548000-memory.dmp
    Filesize

    288KB

  • memory/3580-130-0x0000000002130000-0x000000000217A000-memory.dmp
    Filesize

    296KB

  • memory/3680-174-0x0000000002170000-0x00000000021B7000-memory.dmp
    Filesize

    284KB

  • memory/3680-168-0x0000000000000000-mapping.dmp
  • memory/3880-152-0x0000000000000000-mapping.dmp
  • memory/3980-141-0x0000000000000000-mapping.dmp
  • memory/4340-153-0x0000000000000000-mapping.dmp
  • memory/4756-140-0x0000000000000000-mapping.dmp
  • memory/4800-147-0x00000000021C0000-0x0000000002207000-memory.dmp
    Filesize

    284KB

  • memory/4800-142-0x0000000000000000-mapping.dmp
  • memory/4920-166-0x0000000000000000-mapping.dmp