Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2024, 09:57

General

  • Target

    58a192c56eff7d48740607232cea9d49.exe

  • Size

    1.3MB

  • MD5

    58a192c56eff7d48740607232cea9d49

  • SHA1

    6bde1b43b0eabaa2151f5126c102eb3cc5dbb693

  • SHA256

    2bc19a1a48254b0ce6a30f471c0e870ceff05ef8ab66ce5d9bb4ecae869d3b10

  • SHA512

    cf97dfe3d719f05d0bbbeaf78d8e26cfe3234480e1ef98c1888b2bd316d04777c022f78d09b64f079d07a22520e7df3dc3b5eeba21346ac1f6b1eb464f78beff

  • SSDEEP

    6144:HgICFP7B/5KbOPSaCkSF0UcUm2m5haafXbQHtp5lICT+5Bj9hvKtmXmL+DV/bHMN:8Qi8lICT+5Bj9hkJ

Malware Config

Extracted

Family

redline

Botnet

proliv2

C2

136.243.65.8:48715

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SectopRAT

    SectopRAT is a remote access trojan first seen in November 2019.

  • SectopRAT payload 1 IoCs
  • Turns off Windows Defender SpyNet reporting 2 TTPs
  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Nirsoft 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Windows security modification 2 TTPs 10 IoCs
  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58a192c56eff7d48740607232cea9d49.exe
    "C:\Users\Admin\AppData\Local\Temp\58a192c56eff7d48740607232cea9d49.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • UAC bypass
    • Windows security bypass
    • Checks computer location settings
    • Windows security modification
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3980
    • C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\AdvancedRun.exe
      "C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3176
      • C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\AdvancedRun.exe
        "C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\AdvancedRun.exe" /SpecialRun 4101d8 3176
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2356
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\58a192c56eff7d48740607232cea9d49.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3752
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\58a192c56eff7d48740607232cea9d49.exe" -Force
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4012
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      2⤵
        PID:2340
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorsvw.exe
        2⤵
          PID:3692

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\2062e15d-3209-460a-91ce-0dd0b91771dc\AdvancedRun.exe

              Filesize

              88KB

              MD5

              17fc12902f4769af3a9271eb4e2dacce

              SHA1

              9a4a1581cc3971579574f837e110f3bd6d529dab

              SHA256

              29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

              SHA512

              036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1gs4rp23.s0e.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/2340-25-0x00000000059E0000-0x0000000005FF8000-memory.dmp

              Filesize

              6.1MB

            • memory/2340-106-0x0000000005510000-0x0000000005520000-memory.dmp

              Filesize

              64KB

            • memory/2340-105-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/2340-27-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/2340-29-0x00000000055A0000-0x00000000056AA000-memory.dmp

              Filesize

              1.0MB

            • memory/2340-48-0x0000000005520000-0x000000000556C000-memory.dmp

              Filesize

              304KB

            • memory/2340-35-0x00000000054D0000-0x000000000550C000-memory.dmp

              Filesize

              240KB

            • memory/2340-36-0x0000000005510000-0x0000000005520000-memory.dmp

              Filesize

              64KB

            • memory/2340-28-0x0000000005470000-0x0000000005482000-memory.dmp

              Filesize

              72KB

            • memory/2340-23-0x0000000000400000-0x0000000000420000-memory.dmp

              Filesize

              128KB

            • memory/3752-62-0x000000007F5B0000-0x000000007F5C0000-memory.dmp

              Filesize

              64KB

            • memory/3752-21-0x0000000002640000-0x0000000002676000-memory.dmp

              Filesize

              216KB

            • memory/3752-24-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

              Filesize

              64KB

            • memory/3752-75-0x0000000070610000-0x000000007065C000-memory.dmp

              Filesize

              304KB

            • memory/3752-33-0x0000000004BB0000-0x0000000004BC0000-memory.dmp

              Filesize

              64KB

            • memory/3752-22-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/3752-89-0x0000000007300000-0x000000000730A000-memory.dmp

              Filesize

              40KB

            • memory/3752-59-0x0000000005F80000-0x0000000005F9E000-memory.dmp

              Filesize

              120KB

            • memory/3752-91-0x0000000007490000-0x00000000074A1000-memory.dmp

              Filesize

              68KB

            • memory/3752-104-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/3752-95-0x00000000075B0000-0x00000000075B8000-memory.dmp

              Filesize

              32KB

            • memory/3752-88-0x0000000007290000-0x00000000072AA000-memory.dmp

              Filesize

              104KB

            • memory/3752-34-0x00000000050A0000-0x00000000050C2000-memory.dmp

              Filesize

              136KB

            • memory/3752-93-0x00000000074D0000-0x00000000074E4000-memory.dmp

              Filesize

              80KB

            • memory/3752-94-0x00000000075D0000-0x00000000075EA000-memory.dmp

              Filesize

              104KB

            • memory/3980-5-0x0000000005B90000-0x0000000005C08000-memory.dmp

              Filesize

              480KB

            • memory/3980-3-0x00000000059F0000-0x0000000005A8C000-memory.dmp

              Filesize

              624KB

            • memory/3980-4-0x0000000005C60000-0x0000000005C70000-memory.dmp

              Filesize

              64KB

            • memory/3980-97-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/3980-6-0x0000000005D10000-0x0000000005DA2000-memory.dmp

              Filesize

              584KB

            • memory/3980-1-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/3980-2-0x0000000005EC0000-0x0000000006464000-memory.dmp

              Filesize

              5.6MB

            • memory/3980-0-0x0000000000FC0000-0x000000000110C000-memory.dmp

              Filesize

              1.3MB

            • memory/4012-82-0x0000000006AC0000-0x0000000006B63000-memory.dmp

              Filesize

              652KB

            • memory/4012-63-0x0000000070610000-0x000000007065C000-memory.dmp

              Filesize

              304KB

            • memory/4012-73-0x0000000004610000-0x0000000004620000-memory.dmp

              Filesize

              64KB

            • memory/4012-26-0x0000000004C50000-0x0000000005278000-memory.dmp

              Filesize

              6.2MB

            • memory/4012-87-0x0000000007420000-0x0000000007A9A000-memory.dmp

              Filesize

              6.5MB

            • memory/4012-76-0x0000000004610000-0x0000000004620000-memory.dmp

              Filesize

              64KB

            • memory/4012-90-0x0000000007060000-0x00000000070F6000-memory.dmp

              Filesize

              600KB

            • memory/4012-74-0x0000000006AA0000-0x0000000006ABE000-memory.dmp

              Filesize

              120KB

            • memory/4012-60-0x000000007FC40000-0x000000007FC50000-memory.dmp

              Filesize

              64KB

            • memory/4012-61-0x0000000006080000-0x00000000060B2000-memory.dmp

              Filesize

              200KB

            • memory/4012-31-0x0000000004610000-0x0000000004620000-memory.dmp

              Filesize

              64KB

            • memory/4012-32-0x0000000004610000-0x0000000004620000-memory.dmp

              Filesize

              64KB

            • memory/4012-58-0x00000000056B0000-0x0000000005A04000-memory.dmp

              Filesize

              3.3MB

            • memory/4012-92-0x0000000007010000-0x000000000701E000-memory.dmp

              Filesize

              56KB

            • memory/4012-44-0x0000000005460000-0x00000000054C6000-memory.dmp

              Filesize

              408KB

            • memory/4012-103-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB

            • memory/4012-37-0x00000000053F0000-0x0000000005456000-memory.dmp

              Filesize

              408KB

            • memory/4012-30-0x0000000074FE0000-0x0000000075790000-memory.dmp

              Filesize

              7.7MB