Analysis

  • max time kernel
    149s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-07-2022 19:12

General

  • Target

    4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe

  • Size

    499KB

  • MD5

    dc4da9510376798fd121ae2f94cf531e

  • SHA1

    41db50963d36fae816864cf3d58a9bb730c291f5

  • SHA256

    4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a

  • SHA512

    d2b66346c180ed4f932292c25073b2c89d2e0645ebf347fa027d3051ea5c224151605d6bad5298285b3951a73541929963d9513a2bb47fe5be32ca5bff34526c

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 21 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
    "C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
      C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3600
      • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
        "C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3436
        • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
          C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe
          4⤵
          • Executes dropped EXE
          PID:2128
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2128 -s 80
            5⤵
            • Program crash
            PID:2576
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Windows\SysWOW64\PING.EXE
          ping 1.1.1.1 -n 1 -w 1000
          4⤵
          • Runs ping.exe
          PID:2180
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2128 -ip 2128
    1⤵
      PID:4972

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe.log

      Filesize

      1KB

      MD5

      c16efa749289947820118a1e6efb3045

      SHA1

      f919006562f2ae6bf18345814e1df9613ac53400

      SHA256

      d382accf873d4b2d6f01ac03b97df6065f0476d9ff591f12072ddc38f4acbb01

      SHA512

      baddb6c1218bff38c126ded36164fc9e06c0eaa2a8ead2ede627556048d9482442ea0a8a43ff67578d3a14c8295e53246a3cdfa17f25d7eaf4fb67919d06f21e

    • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe

      Filesize

      499KB

      MD5

      dc4da9510376798fd121ae2f94cf531e

      SHA1

      41db50963d36fae816864cf3d58a9bb730c291f5

      SHA256

      4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a

      SHA512

      d2b66346c180ed4f932292c25073b2c89d2e0645ebf347fa027d3051ea5c224151605d6bad5298285b3951a73541929963d9513a2bb47fe5be32ca5bff34526c

    • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe

      Filesize

      499KB

      MD5

      dc4da9510376798fd121ae2f94cf531e

      SHA1

      41db50963d36fae816864cf3d58a9bb730c291f5

      SHA256

      4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a

      SHA512

      d2b66346c180ed4f932292c25073b2c89d2e0645ebf347fa027d3051ea5c224151605d6bad5298285b3951a73541929963d9513a2bb47fe5be32ca5bff34526c

    • C:\Users\Admin\AppData\Local\Temp\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a\4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a.exe

      Filesize

      499KB

      MD5

      dc4da9510376798fd121ae2f94cf531e

      SHA1

      41db50963d36fae816864cf3d58a9bb730c291f5

      SHA256

      4fea5be10a901186a28d2c818c1a264265b22440c8c2f62611f5a28dd907ae8a

      SHA512

      d2b66346c180ed4f932292c25073b2c89d2e0645ebf347fa027d3051ea5c224151605d6bad5298285b3951a73541929963d9513a2bb47fe5be32ca5bff34526c

    • memory/1768-138-0x0000000000A9A000-0x0000000000A9D000-memory.dmp

      Filesize

      12KB

    • memory/1768-136-0x0000000000A9A000-0x0000000000A9D000-memory.dmp

      Filesize

      12KB

    • memory/1768-137-0x0000000000A9A000-0x0000000000A9D000-memory.dmp

      Filesize

      12KB

    • memory/1768-135-0x0000000005980000-0x0000000005A1C000-memory.dmp

      Filesize

      624KB

    • memory/1768-134-0x0000000000A9A000-0x0000000000A9D000-memory.dmp

      Filesize

      12KB

    • memory/1768-133-0x0000000000A9A000-0x0000000000A9D000-memory.dmp

      Filesize

      12KB

    • memory/1768-130-0x0000000000430000-0x00000000004B6000-memory.dmp

      Filesize

      536KB

    • memory/1768-132-0x0000000004F90000-0x0000000005022000-memory.dmp

      Filesize

      584KB

    • memory/1768-131-0x0000000009B70000-0x000000000A114000-memory.dmp

      Filesize

      5.6MB

    • memory/3436-148-0x0000000000CF8000-0x0000000000CFC000-memory.dmp

      Filesize

      16KB

    • memory/3436-149-0x0000000000CF8000-0x0000000000CFC000-memory.dmp

      Filesize

      16KB

    • memory/3436-150-0x0000000000CF9000-0x0000000000CFB000-memory.dmp

      Filesize

      8KB

    • memory/3436-151-0x0000000000CF9000-0x0000000000CFB000-memory.dmp

      Filesize

      8KB

    • memory/3436-152-0x0000000000CF8000-0x0000000000CFC000-memory.dmp

      Filesize

      16KB

    • memory/3436-153-0x0000000000CF8000-0x0000000000CFC000-memory.dmp

      Filesize

      16KB

    • memory/3600-142-0x0000000007A10000-0x0000000007A76000-memory.dmp

      Filesize

      408KB

    • memory/3600-140-0x0000000000400000-0x0000000000456000-memory.dmp

      Filesize

      344KB