Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    09-12-2021 15:39

General

  • Target

    5096680c111700a7343cac14d166ce90.exe

  • Size

    5.4MB

  • MD5

    5096680c111700a7343cac14d166ce90

  • SHA1

    8277b38de8b62abbd9c1722c1a512741622e928c

  • SHA256

    02b1c52fbed352a5a52090d0ee09b1e39a15f2218186a94b97e5ca1ef3de73c2

  • SHA512

    2c37d448de62be7b9b616b29c0633cc1af4ff083e8213df6efe090a761ae39d17fa670a2fb700c149c02fa61b4cda20d661f45bc3cc10e82dcdc990f909e8d50

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\5096680c111700a7343cac14d166ce90.exe
    "C:\Users\Admin\AppData\Local\Temp\5096680c111700a7343cac14d166ce90.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of WriteProcessMemory
    PID:760
    • C:\Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      "C:\Users\Admin\AppData\Local\Temp\tongan\sacque.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:1636
      • 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:1840
    • C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      "C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.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\aqximrpvoo.vbs"
        3⤵
          PID:1624
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ttbdiijs.vbs"
          3⤵
          • Blocklisted process makes network request
          PID:2036

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Defense Evasion

    Virtualization/Sandbox Evasion

    1
    T1497

    Discovery

    Query Registry

    3
    T1012

    Virtualization/Sandbox Evasion

    1
    T1497

    System Information Discovery

    4
    T1082

    Command and Control

    Web Service

    1
    T1102

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\aqximrpvoo.vbs
      MD5

      679553f9619ca0f448e227701712ff29

      SHA1

      b25cc088b1e9e27dcd31600a3636f2abba6f7258

      SHA256

      9f7b739ca3d4da265f31ba655f9a1805c0305e9fbcad13e467c6496977836b10

      SHA512

      b700ec11138f13ca574cae445ef1134aa69bea0f19648a7fa7f5cc3d9e5524e42a584b501d371e5baf112d7b50dd38df569dfc245246e843beac34772149fc73

    • C:\Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • C:\Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      MD5

      355a4152b826bac3bb7ff5ffd95ec7ed

      SHA1

      f49b68263295852e2c2aa08fb475b6f999545289

      SHA256

      68502d30f4d6ede5a62c4306ebc796bd1f9e7f1ae34eac34b9f21d78d200cb8c

      SHA512

      c73c45ef0a8052160c4f1a62e4b2a500a410ae33ca277ed40d49c38bd6cbabc0b20c74acc116308790038648e070d95768e5a50f60a2eb73891afbb49d7d40ba

    • C:\Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      MD5

      355a4152b826bac3bb7ff5ffd95ec7ed

      SHA1

      f49b68263295852e2c2aa08fb475b6f999545289

      SHA256

      68502d30f4d6ede5a62c4306ebc796bd1f9e7f1ae34eac34b9f21d78d200cb8c

      SHA512

      c73c45ef0a8052160c4f1a62e4b2a500a410ae33ca277ed40d49c38bd6cbabc0b20c74acc116308790038648e070d95768e5a50f60a2eb73891afbb49d7d40ba

    • C:\Users\Admin\AppData\Local\Temp\ttbdiijs.vbs
      MD5

      fbb594ef7f70d515502082b7b12108e7

      SHA1

      85c586f1748a6044566600853f35d05768628830

      SHA256

      dc4dd4d877b7751d1bac6a3b6a5644751edc11e2e0b176ccc30d3a9eca590435

      SHA512

      2f3860fe63a4434c03ef3b808e36905f1b9a8cb5c4c1779ceb0ad4bab104893c7854cbbee4c97a2f5b1664a80563e37e4ec4366a15bb0b1a2bebf5a8b232d4d5

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Local\Temp\nstC228.tmp\UAC.dll
      MD5

      adb29e6b186daa765dc750128649b63d

      SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

      SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

      SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • \Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Local\Temp\tongan\sacque.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      MD5

      355a4152b826bac3bb7ff5ffd95ec7ed

      SHA1

      f49b68263295852e2c2aa08fb475b6f999545289

      SHA256

      68502d30f4d6ede5a62c4306ebc796bd1f9e7f1ae34eac34b9f21d78d200cb8c

      SHA512

      c73c45ef0a8052160c4f1a62e4b2a500a410ae33ca277ed40d49c38bd6cbabc0b20c74acc116308790038648e070d95768e5a50f60a2eb73891afbb49d7d40ba

    • \Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      MD5

      355a4152b826bac3bb7ff5ffd95ec7ed

      SHA1

      f49b68263295852e2c2aa08fb475b6f999545289

      SHA256

      68502d30f4d6ede5a62c4306ebc796bd1f9e7f1ae34eac34b9f21d78d200cb8c

      SHA512

      c73c45ef0a8052160c4f1a62e4b2a500a410ae33ca277ed40d49c38bd6cbabc0b20c74acc116308790038648e070d95768e5a50f60a2eb73891afbb49d7d40ba

    • \Users\Admin\AppData\Local\Temp\tongan\tilmusvp.exe
      MD5

      355a4152b826bac3bb7ff5ffd95ec7ed

      SHA1

      f49b68263295852e2c2aa08fb475b6f999545289

      SHA256

      68502d30f4d6ede5a62c4306ebc796bd1f9e7f1ae34eac34b9f21d78d200cb8c

      SHA512

      c73c45ef0a8052160c4f1a62e4b2a500a410ae33ca277ed40d49c38bd6cbabc0b20c74acc116308790038648e070d95768e5a50f60a2eb73891afbb49d7d40ba

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      MD5

      6aee0a1a73ed85b554aed2cbfc722e0c

      SHA1

      09a1571a20ad5712731d5f39ab62d5dd91bbc651

      SHA256

      a27fb1f7596e8c2d97aec81b107f7d65790b0e6a43c7da63832620ca2d8f3926

      SHA512

      6511e5c280b7000f100d2640a26edb6315ec41634066713782423c149c2abd9afd4074fd2eaa1622b4b7e10ddf596d14a69c79168cec70cac0549a648fa06c2c

    • memory/368-63-0x0000000000000000-mapping.dmp
    • memory/368-70-0x00000000003B0000-0x0000000000A78000-memory.dmp
      Filesize

      6.8MB

    • memory/368-74-0x00000000003B0000-0x0000000000A78000-memory.dmp
      Filesize

      6.8MB

    • memory/368-69-0x00000000003B0000-0x0000000000A78000-memory.dmp
      Filesize

      6.8MB

    • memory/368-72-0x00000000003B0000-0x0000000000A78000-memory.dmp
      Filesize

      6.8MB

    • memory/760-53-0x0000000075D61000-0x0000000075D63000-memory.dmp
      Filesize

      8KB

    • memory/1624-77-0x0000000000000000-mapping.dmp
    • memory/1636-71-0x0000000000BC0000-0x00000000012B5000-memory.dmp
      Filesize

      7.0MB

    • memory/1636-75-0x0000000000BC0000-0x00000000012B5000-memory.dmp
      Filesize

      7.0MB

    • memory/1636-73-0x0000000000BC0000-0x00000000012B5000-memory.dmp
      Filesize

      7.0MB

    • memory/1636-76-0x0000000000BC0000-0x00000000012B5000-memory.dmp
      Filesize

      7.0MB

    • memory/1636-56-0x0000000000000000-mapping.dmp
    • memory/1840-81-0x0000000000000000-mapping.dmp
    • memory/1840-87-0x0000000000860000-0x0000000000F55000-memory.dmp
      Filesize

      7.0MB

    • memory/1840-88-0x0000000000860000-0x0000000000F55000-memory.dmp
      Filesize

      7.0MB

    • memory/1840-90-0x0000000000860000-0x0000000000F55000-memory.dmp
      Filesize

      7.0MB

    • memory/1840-89-0x0000000000860000-0x0000000000F55000-memory.dmp
      Filesize

      7.0MB

    • memory/2036-91-0x0000000000000000-mapping.dmp