Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-12-2021 04:19

General

  • Target

    e946313323a4fab93d139a9e3861e5ef.exe

  • Size

    5.4MB

  • MD5

    e946313323a4fab93d139a9e3861e5ef

  • SHA1

    19c67ccdfbfc3971d31b5827f185009976072936

  • SHA256

    0724a4302ad37929cb58cc90dad7c90459df4eba0bccbfb4008965d917a55209

  • SHA512

    a85beddb32dbd48b802387b32a856f4fcb91916fcbc099e279c706e9ac553e75e34370a511720c9eee77f436922de71a68e746a5ed002282e13e44a1165b8ed0

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Blocklisted process makes network request 4 IoCs
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 6 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 10 IoCs
  • Themida packer 27 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e946313323a4fab93d139a9e3861e5ef.exe
    "C:\Users\Admin\AppData\Local\Temp\e946313323a4fab93d139a9e3861e5ef.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:968
    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe
      "C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
        "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
        3⤵
        • Executes dropped EXE
        • Checks BIOS information in registry
        • Loads dropped DLL
        • Checks whether UAC is enabled
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious behavior: EnumeratesProcesses
        PID:1496
    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe
      "C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe"
      2⤵
      • Executes dropped EXE
      • Checks BIOS information in registry
      • Loads dropped DLL
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:368
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\tswfpsp.vbs"
        3⤵
          PID:1512
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\vfvvmfa.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:1264

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • C:\Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • C:\Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • C:\Users\Admin\AppData\Local\Temp\tswfpsp.vbs

      MD5

      0e6c8a2a201e7cfbbefb15d1ee30eb47

      SHA1

      8b49a26918a6487f0fd93e4a0bbbf27a03d519a1

      SHA256

      f5e1f756c3fa50f62057339d434b60f0faea47e85e2c58fc349feae472026190

      SHA512

      0e5508f5887912a25fb7b965db10897297f06f8f427ed1e1c360457ac27ff37b66e74751e99bb7c486403af76f0858a8638a2573304ca076762086b52da156ca

    • C:\Users\Admin\AppData\Local\Temp\vfvvmfa.vbs

      MD5

      561d20a33c19e15336d154f972915975

      SHA1

      2b6fb5b6764c1e85bfdfc21e1295df955b7b28f6

      SHA256

      81f24da9222ab0d41a3c6efd319fbfa97a56cd1d36ccb5c538eefb94cbd9daf9

      SHA512

      abf53f178190bfaea9ad6c2c9684b5e697561856bcf264a0b6950c01ca21778e9276bf27df43dc5c7a6e5190aa6030fb12e77959f4e24997729498a0215f9d07

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Local\Temp\nsdCC74.tmp\UAC.dll

      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Local\Temp\patwin\napaea.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • \Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • \Users\Admin\AppData\Local\Temp\patwin\outwitvp.exe

      MD5

      948b5f54439e4bcfd1c17cb9ae8d1ed3

      SHA1

      e7236e3cb35a7c9caace5aa7f570dbb2311ba736

      SHA256

      ee2955c290f9dc1a8026adcced932aaab678f5227f54fddf6a018fc81f7b01de

      SHA512

      e6fa55501c1f151780d81ccf2db1dcb17953c89fb6fe3b577f9d751c09bd42dc5924ff09e69843fb50f64f96b34d743d6ef1e2c02059b1efd8854ecdbfc40adf

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

      MD5

      75182fea96cd2dea68a23d360fb647c8

      SHA1

      992c5fe1ac704528a505bb42162a421e3d29b7cb

      SHA256

      3eca25c6a211415959e59d89e6f8c6a9b1d1c45bfbb9ce8bfc133c66958dc97c

      SHA512

      649aa18d4303f42fb9b8dc90994f8d40aa45a07f2842edfce1a389c0f1c2510f7828b233b7205e2171e8a147eed7c3a18efd162e060c83ad1f0fbbd3f4a56ec0

    • memory/368-74-0x00000000002F0000-0x00000000009D1000-memory.dmp

      Filesize

      6.9MB

    • memory/368-66-0x0000000000000000-mapping.dmp

    • memory/368-76-0x00000000002F0000-0x00000000009D1000-memory.dmp

      Filesize

      6.9MB

    • memory/368-77-0x00000000002F0000-0x00000000009D1000-memory.dmp

      Filesize

      6.9MB

    • memory/368-75-0x00000000002F0000-0x00000000009D1000-memory.dmp

      Filesize

      6.9MB

    • memory/968-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

      Filesize

      8KB

    • memory/1264-92-0x0000000000000000-mapping.dmp

    • memory/1468-69-0x00000000012F0000-0x00000000019C6000-memory.dmp

      Filesize

      6.8MB

    • memory/1468-70-0x00000000012F0000-0x00000000019C6000-memory.dmp

      Filesize

      6.8MB

    • memory/1468-65-0x00000000012F0000-0x00000000019C6000-memory.dmp

      Filesize

      6.8MB

    • memory/1468-63-0x00000000012F0000-0x00000000019C6000-memory.dmp

      Filesize

      6.8MB

    • memory/1468-57-0x0000000000000000-mapping.dmp

    • memory/1496-82-0x0000000000000000-mapping.dmp

    • memory/1496-88-0x0000000000FC0000-0x0000000001696000-memory.dmp

      Filesize

      6.8MB

    • memory/1496-89-0x0000000000FC0000-0x0000000001696000-memory.dmp

      Filesize

      6.8MB

    • memory/1496-90-0x0000000000FC0000-0x0000000001696000-memory.dmp

      Filesize

      6.8MB

    • memory/1496-91-0x0000000000FC0000-0x0000000001696000-memory.dmp

      Filesize

      6.8MB

    • memory/1512-78-0x0000000000000000-mapping.dmp