Analysis

  • max time kernel
    153s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2022 05:59

General

  • Target

    NEW ORDER NN22-2684.rtf

  • Size

    44KB

  • MD5

    7ba797089349e16debd1a2acaafd74ad

  • SHA1

    20ac9949d6053f80a3bfe0638d691c749a31234f

  • SHA256

    1184b8a3e34bfdc59cec5ec4348fec8ed07dce1976357dcc5ac35eca45089a3b

  • SHA512

    24d29472b770c7717d06b4ef6850e66baa04cc47b6ee6a4ce119f819f4214c5ced7c04a2bcb9b45447dd5db6e0efee9e583261d5abdd6c012907086d37a08b92

  • SSDEEP

    384:iki6HW/Qnvy9RFaMp1uXhZTWbCiv3PxdAPzkhxVoR0EZW7wExXT+yRF/kOksp+2:9+YnKfIXhlOPL0CxVoz+TJT3Z

Malware Config

Extracted

Family

nanocore

Version

1.2.2.0

C2

jasonbourne.bounceme.net:4032

127.0.0.1:4032

Mutex

9c6d4c8a-884b-4287-8ce0-7edf4a237b07

Attributes
  • activate_away_mode

    true

  • backup_connection_host

    127.0.0.1

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2022-06-24T09:47:26.371156736Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    4032

  • default_group

    X File

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    9c6d4c8a-884b-4287-8ce0-7edf4a237b07

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    jasonbourne.bounceme.net

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Blocklisted process makes network request 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Launches Equation Editor 1 TTPs 1 IoCs

    Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.

  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\NEW ORDER NN22-2684.rtf"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:1476
    • C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
      "C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
      1⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Launches Equation Editor
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Users\Admin\AppData\Roaming\blessedpnglj69831.exe
        "C:\Users\Admin\AppData\Roaming\blessedpnglj69831.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1856
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\temp\8_16\ioph.vbe"
          3⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:952
          • C:\Users\Admin\AppData\Local\Temp\8_16\mvrhic.exe
            "C:\Users\Admin\AppData\Local\Temp\8_16\mvrhic.exe" gvooo.gcv
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:584
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
              5⤵
              • Adds Run key to start application
              • Drops file in Program Files directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1988
              • C:\Windows\SysWOW64\schtasks.exe
                "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4174.tmp"
                6⤵
                • Creates scheduled task(s)
                PID:1596
              • C:\Windows\SysWOW64\schtasks.exe
                "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp4674.tmp"
                6⤵
                • Creates scheduled task(s)
                PID:984

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8_16\gvooo.gcv

      Filesize

      98.6MB

      MD5

      a929d147bd552d23287515a577c1e756

      SHA1

      82edddd779b245108043b5a317be1918f1e8c546

      SHA256

      74821f38593d876d658c0207ce94bd341949435b81b50518fa305767663ce39c

      SHA512

      398656b9e48c125a86b77d2d3838c32797760ea3bdd289d10b2f44ec8c26c1777a4ff55c7c3d16c21c0de2b3151c8a27826c73c92bfa15169836ef22ad6e451f

    • C:\Users\Admin\AppData\Local\Temp\8_16\hqqqdurddh.dll

      Filesize

      45KB

      MD5

      11c4258fae4132483ae587cfa06b10ae

      SHA1

      497b09bfe0792bedb0587cecbb344939e9a99f34

      SHA256

      115229acb4316435cffaa2725b8ba660c17fb073d8fbe28e52e008b15543b76e

      SHA512

      3b222a55b9fc13f49159030921ebbcc3aee1b8763447a7cdf1f6cecc5b6ad9d8dba091ac2067e220074137b9d709791e3b48cc508649290ff2c68ff06736aed6

    • C:\Users\Admin\AppData\Local\Temp\8_16\mvrhic.exe

      Filesize

      1.1MB

      MD5

      7e849c0f23d25130da6e79b4e31c7a13

      SHA1

      8a7e6683f9643addbd5eeb5f11c686a7f03c951b

      SHA256

      b93035f0e55b1034d8e3d412bd9279b5e3021100c42d292b7929fd7f62901187

      SHA512

      e94eca514f970acbad039b9bdd2183a8c7c5e2123608714e6311aadc20660491a86bd10a8172d109d46348da00676a808da603620fff181601dbaa2e777e3379

    • C:\Users\Admin\AppData\Local\Temp\8_16\mvrhic.exe

      Filesize

      1.1MB

      MD5

      7e849c0f23d25130da6e79b4e31c7a13

      SHA1

      8a7e6683f9643addbd5eeb5f11c686a7f03c951b

      SHA256

      b93035f0e55b1034d8e3d412bd9279b5e3021100c42d292b7929fd7f62901187

      SHA512

      e94eca514f970acbad039b9bdd2183a8c7c5e2123608714e6311aadc20660491a86bd10a8172d109d46348da00676a808da603620fff181601dbaa2e777e3379

    • C:\Users\Admin\AppData\Local\Temp\8_16\surlhhtvn.cpl

      Filesize

      406KB

      MD5

      e454b076fe7207baf7bff4e63dd68505

      SHA1

      561886a7b8367a50221bac48ac76cd39c79326d2

      SHA256

      a165db7b671c66380e5ccbea689e7e8200bbc6ac16594321853d9ed850a6946a

      SHA512

      7b45b66e87b9e18eea49b0dc287ee1308512ff890e28fb2062267accf668e2d8319ce8171a86bd254c422e9acf1a5c2d28b22f91012ecac990a689206bd0b3ae

    • C:\Users\Admin\AppData\Local\Temp\tmp4174.tmp

      Filesize

      1KB

      MD5

      8cad1b41587ced0f1e74396794f31d58

      SHA1

      11054bf74fcf5e8e412768035e4dae43aa7b710f

      SHA256

      3086d914f6b23268f8a12cb1a05516cd5465c2577e1d1e449f1b45c8e5e8f83c

      SHA512

      99c2ef89029de51a866df932841684b7fc912df21e10e2dd0d09e400203bbdc6cba6319a31780b7bf8b286d2cea8ea3fc7d084348bf2f002ab4f5a34218ccbef

    • C:\Users\Admin\AppData\Local\Temp\tmp4674.tmp

      Filesize

      1KB

      MD5

      0a24db62cb5b84309c4803346caaa25d

      SHA1

      67660778f61bb44168c33ed3fe56ed86cf9583e8

      SHA256

      38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

      SHA512

      d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

    • C:\Users\Admin\AppData\Local\temp\8_16\ioph.vbe

      Filesize

      25KB

      MD5

      37d66ad4e808f22215a2d176f079009a

      SHA1

      cbb36ecd56b54b92bf9d89ea92f8107c474608f7

      SHA256

      a89a9287cb9fa2326af7edc414a6f6e2382030332d690f603bbb88f1bca99c25

      SHA512

      d3939fbef1231b66ea58ace89e86494c08142e800d95e988f71a73e79ee561a2829928e46b9ab5c576ac4bf341d81fedd1e91b3326d9356da8ac87a95e4f785c

    • C:\Users\Admin\AppData\Roaming\blessedpnglj69831.exe

      Filesize

      1.1MB

      MD5

      b4733e911f3e2e9ecde05cd2f5106b28

      SHA1

      da0fd8a7bd060292ba75e379c62c940e7de11b17

      SHA256

      2bcd2cd9b7ba2e16ee457931ea8cb0b188655aacd4d7516fc5589009b7199a01

      SHA512

      bd86cebb93cc757c48ae58ee2584f41ec52952d8d22306aa9c9e9ab719f68701c036a5f42dbe4e983437d88e8f1ca70b228cc35e9dd779e10c1d4e6f1c5b8859

    • C:\Users\Admin\AppData\Roaming\blessedpnglj69831.exe

      Filesize

      1.1MB

      MD5

      b4733e911f3e2e9ecde05cd2f5106b28

      SHA1

      da0fd8a7bd060292ba75e379c62c940e7de11b17

      SHA256

      2bcd2cd9b7ba2e16ee457931ea8cb0b188655aacd4d7516fc5589009b7199a01

      SHA512

      bd86cebb93cc757c48ae58ee2584f41ec52952d8d22306aa9c9e9ab719f68701c036a5f42dbe4e983437d88e8f1ca70b228cc35e9dd779e10c1d4e6f1c5b8859

    • \Users\Admin\AppData\Local\Temp\8_16\mvrhic.exe

      Filesize

      1.1MB

      MD5

      7e849c0f23d25130da6e79b4e31c7a13

      SHA1

      8a7e6683f9643addbd5eeb5f11c686a7f03c951b

      SHA256

      b93035f0e55b1034d8e3d412bd9279b5e3021100c42d292b7929fd7f62901187

      SHA512

      e94eca514f970acbad039b9bdd2183a8c7c5e2123608714e6311aadc20660491a86bd10a8172d109d46348da00676a808da603620fff181601dbaa2e777e3379

    • \Users\Admin\AppData\Roaming\blessedpnglj69831.exe

      Filesize

      1.1MB

      MD5

      b4733e911f3e2e9ecde05cd2f5106b28

      SHA1

      da0fd8a7bd060292ba75e379c62c940e7de11b17

      SHA256

      2bcd2cd9b7ba2e16ee457931ea8cb0b188655aacd4d7516fc5589009b7199a01

      SHA512

      bd86cebb93cc757c48ae58ee2584f41ec52952d8d22306aa9c9e9ab719f68701c036a5f42dbe4e983437d88e8f1ca70b228cc35e9dd779e10c1d4e6f1c5b8859

    • memory/584-72-0x0000000000000000-mapping.dmp

    • memory/952-65-0x0000000000000000-mapping.dmp

    • memory/984-90-0x0000000000000000-mapping.dmp

    • memory/1476-108-0x0000000000000000-mapping.dmp

    • memory/1476-109-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

      Filesize

      8KB

    • memory/1596-88-0x0000000000000000-mapping.dmp

    • memory/1720-68-0x000000006B5F1000-0x000000006B5F3000-memory.dmp

      Filesize

      8KB

    • memory/1720-58-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

      Filesize

      8KB

    • memory/1720-57-0x000000007120D000-0x0000000071218000-memory.dmp

      Filesize

      44KB

    • memory/1720-111-0x000000007120D000-0x0000000071218000-memory.dmp

      Filesize

      44KB

    • memory/1720-110-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1720-67-0x000000006B3E1000-0x000000006B3E3000-memory.dmp

      Filesize

      8KB

    • memory/1720-54-0x00000000727A1000-0x00000000727A4000-memory.dmp

      Filesize

      12KB

    • memory/1720-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1720-55-0x0000000070221000-0x0000000070223000-memory.dmp

      Filesize

      8KB

    • memory/1856-61-0x0000000000000000-mapping.dmp

    • memory/1988-85-0x00000000003B0000-0x0000000000A68000-memory.dmp

      Filesize

      6.7MB

    • memory/1988-86-0x00000000003B0000-0x00000000003E8000-memory.dmp

      Filesize

      224KB

    • memory/1988-92-0x00000000023C0000-0x00000000023CA000-memory.dmp

      Filesize

      40KB

    • memory/1988-93-0x0000000002420000-0x000000000243E000-memory.dmp

      Filesize

      120KB

    • memory/1988-94-0x00000000023D0000-0x00000000023DA000-memory.dmp

      Filesize

      40KB

    • memory/1988-95-0x00000000024A0000-0x00000000024B2000-memory.dmp

      Filesize

      72KB

    • memory/1988-96-0x00000000046B0000-0x00000000046CA000-memory.dmp

      Filesize

      104KB

    • memory/1988-97-0x0000000002500000-0x000000000250E000-memory.dmp

      Filesize

      56KB

    • memory/1988-98-0x00000000025A0000-0x00000000025B2000-memory.dmp

      Filesize

      72KB

    • memory/1988-99-0x0000000004B90000-0x0000000004B9E000-memory.dmp

      Filesize

      56KB

    • memory/1988-100-0x0000000004BE0000-0x0000000004BEC000-memory.dmp

      Filesize

      48KB

    • memory/1988-101-0x0000000004BF0000-0x0000000004C04000-memory.dmp

      Filesize

      80KB

    • memory/1988-102-0x0000000004C40000-0x0000000004C50000-memory.dmp

      Filesize

      64KB

    • memory/1988-103-0x0000000004DB0000-0x0000000004DC4000-memory.dmp

      Filesize

      80KB

    • memory/1988-104-0x00000000051A0000-0x00000000051AE000-memory.dmp

      Filesize

      56KB

    • memory/1988-105-0x0000000005290000-0x00000000052BE000-memory.dmp

      Filesize

      184KB

    • memory/1988-106-0x0000000005240000-0x0000000005254000-memory.dmp

      Filesize

      80KB

    • memory/1988-107-0x0000000005205000-0x0000000005216000-memory.dmp

      Filesize

      68KB

    • memory/1988-83-0x00000000003B0000-0x0000000000A68000-memory.dmp

      Filesize

      6.7MB

    • memory/1988-80-0x00000000003B0000-0x0000000000A68000-memory.dmp

      Filesize

      6.7MB

    • memory/1988-81-0x00000000003CE792-mapping.dmp

    • memory/1988-78-0x00000000003B0000-0x0000000000A68000-memory.dmp

      Filesize

      6.7MB