Overview

overview

10

Static

static

NoInternet-Win7-10min

windows7_x64

8

Internet-Win7-10mins

windows7_x64

10

Analysis

  • max time kernel
    601s
  • max time network
    610s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    08-07-2020 21:02

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General

  • Target

    a94591ab207cc7cfb86586e50fa23c74b660bbdeab183360671973f2c63c2fcd.exe

  • Size

    259KB

  • MD5

    343a2579cafed501bcad9ad2ebd010e6

  • SHA1

    2462cbff6243ba3eb179aa4f799d1a6fc41dac18

  • SHA256

    a94591ab207cc7cfb86586e50fa23c74b660bbdeab183360671973f2c63c2fcd

  • SHA512

    7adeb12f79dd63d91c5cc2864fa15ed48605e122a4a968993f95e986d84bf33baf4c02344ce957e25af2ff5270fab6af211b10947f47a6127b445ce8b5474e48

Score
10/10
backdoorbazarbackdoor

Malware Config

Signatures

  • Suspicious use of WriteProcessMemory 6 IoCs
  • Executes dropped EXE 2 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • BazarBackdoor

    Stealthy backdoor targetting corporate networks, believed to be developed by Trickbot's authors.

    backdoorbazarbackdoor
  • Loads dropped DLL 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a94591ab207cc7cfb86586e50fa23c74b660bbdeab183360671973f2c63c2fcd.exe
    "C:\Users\Admin\AppData\Local\Temp\a94591ab207cc7cfb86586e50fa23c74b660bbdeab183360671973f2c63c2fcd.exe"
    1⤵
      PID:824
    • C:\Windows\system32\cmd.exe
      cmd.exe / c "start "" /b "cmd.exe" /c "copy /y "C:\Users\Admin\AppData\Local\Temp\a94591ab207cc7cfb86586e50fa23c74b660bbdeab183360671973f2c63c2fcd.exe" "C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe"&&start "" /b "C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe" -z {317BF45D-B95F-40F5-BB5B-6CAABDFEE7B8}&&exit 0""
      1⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:1208
      • C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe
        "C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe" -z {317BF45D-B95F-40F5-BB5B-6CAABDFEE7B8}
        2⤵
        • Executes dropped EXE
        PID:1584
    • C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe
      "C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe" -r {D8B04761-8923-4899-B730-34B9E5B14230}
      1⤵
      • Suspicious use of WriteProcessMemory
      • Executes dropped EXE
      PID:2028
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 2028 -s 332
        2⤵
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious behavior: EnumeratesProcesses
        • Loads dropped DLL
        PID:1004

    Network

    MITRE ATT&CK Matrix

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    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
      Download Submit
    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      Download Submit
    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
      Download Submit
    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
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    • C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • C:\Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • \Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • \Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • \Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • \Users\Admin\AppData\Local\Temp\vnmpbciq.exe
      Download Submit
    • \Users\Admin\AppData\Local\Temp\vnmpbciq.exe
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    • memory/824-0-0x00000000000F0000-0x0000000000111000-memory.dmp
      Filesize

      132KB

      Download
    • memory/1004-12-0x0000000000000000-mapping.dmp
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    • memory/1004-13-0x0000000001FE0000-0x0000000001FF1000-memory.dmp
      Filesize

      68KB

      Download
    • memory/1004-17-0x0000000002860000-0x0000000002871000-memory.dmp
      Filesize

      68KB

      Download
    • memory/1584-3-0x0000000000000000-mapping.dmp
      Download
    • memory/1584-2-0x0000000000000000-mapping.dmp
      Download