Analysis

  • max time kernel
    145s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    27-09-2021 11:04

General

  • Target

    malware-bahaya-rt3ret3.exe

  • Size

    236KB

  • MD5

    efa4b2e7d7016a1f80efff5840de3a18

  • SHA1

    04606786daa6313867c7ada1f0c9c925d9b602fb

  • SHA256

    291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

  • SHA512

    11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\malware-bahaya-rt3ret3.exe
    "C:\Users\Admin\AppData\Local\Temp\malware-bahaya-rt3ret3.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1324
    • C:\Windows\system32\cmd.exe
      cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\malware-bahaya-rt3ret3.exe D0QTF
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:864
      • C:\Windows\system32\PING.EXE
        ping 8.8.8.8 -n 2
        3⤵
        • Runs ping.exe
        PID:1500
      • C:\Users\Admin\AppData\Local\Temp\malware-bahaya-rt3ret3.exe
        C:\Users\Admin\AppData\Local\Temp\malware-bahaya-rt3ret3.exe D0QTF
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1812
        • C:\Windows\system32\cmd.exe
          cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe JAM4
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1148
          • C:\Windows\system32\PING.EXE
            ping 8.8.8.8 -n 2
            5⤵
            • Runs ping.exe
            PID:1028
          • C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe
            C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe JAM4
            5⤵
            • Executes dropped EXE
            • Adds Run key to start application
            • Suspicious use of WriteProcessMemory
            PID:640
            • C:\Windows\system32\cmd.exe
              cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe DR6HSYL
              6⤵
              • Loads dropped DLL
              • Suspicious use of WriteProcessMemory
              PID:1580
              • C:\Windows\system32\PING.EXE
                ping 8.8.8.8 -n 2
                7⤵
                • Runs ping.exe
                PID:1164
              • C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe
                C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe DR6HSYL
                7⤵
                • Executes dropped EXE
                PID:1152
  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde /n
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:1640
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1656

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    2
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • C:\Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • \??\PIPE\wkssvc
      MD5

      d41d8cd98f00b204e9800998ecf8427e

      SHA1

      da39a3ee5e6b4b0d3255bfef95601890afd80709

      SHA256

      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

      SHA512

      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

    • \Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • \Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • \Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • \Users\Admin\AppData\Local\Temp\VG29A1C.exe
      MD5

      efa4b2e7d7016a1f80efff5840de3a18

      SHA1

      04606786daa6313867c7ada1f0c9c925d9b602fb

      SHA256

      291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

      SHA512

      11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

    • memory/640-71-0x0000000000000000-mapping.dmp
    • memory/864-59-0x0000000000000000-mapping.dmp
    • memory/1028-67-0x0000000000000000-mapping.dmp
    • memory/1148-66-0x0000000000000000-mapping.dmp
    • memory/1152-81-0x0000000000000000-mapping.dmp
    • memory/1164-78-0x0000000000000000-mapping.dmp
    • memory/1324-53-0x0000000180000000-0x0000000180032000-memory.dmp
      Filesize

      200KB

    • memory/1500-60-0x0000000000000000-mapping.dmp
    • memory/1580-77-0x0000000000000000-mapping.dmp
    • memory/1640-58-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1640-57-0x00000000716A1000-0x00000000716A3000-memory.dmp
      Filesize

      8KB

    • memory/1640-65-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/1640-56-0x000000002F0D1000-0x000000002F0D4000-memory.dmp
      Filesize

      12KB

    • memory/1656-86-0x000007FEFC051000-0x000007FEFC053000-memory.dmp
      Filesize

      8KB

    • memory/1812-61-0x0000000000000000-mapping.dmp