Analysis

  • max time kernel
    125s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 10:00

General

  • Target

    e0077fc1e1b3dd703bdb1876f2afa8e2e2bb8a1601d59bb37a04cb8d33c82859.exe

  • Size

    737KB

  • MD5

    6095c88b3936c406a8045c6f4dfaad2a

  • SHA1

    73a8f5eafa7ac6ab8c5a37fad223f0ebafc07460

  • SHA256

    e0077fc1e1b3dd703bdb1876f2afa8e2e2bb8a1601d59bb37a04cb8d33c82859

  • SHA512

    fcc9a6f846e78c601e12ae9244b773060cc18617df5b7974a8c2f289c87a310802a75625c3ba00591836b98d793a4ff1aceb3df0950fc40274db6cfde09fc217

  • SSDEEP

    12288:VMrvy90nwpto++zBM5AfTq06XUCxlQoRPGG4J176Y+uq14ENCcYkt:eyLpto+mC5x0QUCxVP6JYmK4DcY0

Malware Config

Extracted

Family

redline

Botnet

maxi

C2

83.97.73.126:19048

Attributes
  • auth_value

    6a3f22e5f4209b056a3fd330dc71956a

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 12 IoCs
  • RedLine

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

  • Executes dropped EXE 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 8 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 24 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0077fc1e1b3dd703bdb1876f2afa8e2e2bb8a1601d59bb37a04cb8d33c82859.exe
    "C:\Users\Admin\AppData\Local\Temp\e0077fc1e1b3dd703bdb1876f2afa8e2e2bb8a1601d59bb37a04cb8d33c82859.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6066941.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6066941.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1814385.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1814385.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:5112
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5237814.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5237814.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4664
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6340837.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6340837.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1840
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b5336328.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b5336328.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2992
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
              6⤵
              • Modifies Windows Defender Real-time Protection settings
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              PID:1696
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2992 -s 140
              6⤵
              • Program crash
              PID:3964
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4192028.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4192028.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2992 -ip 2992
    1⤵
      PID:2272

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Modify Existing Service

    1
    T1031

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Disabling Security Tools

    2
    T1089

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    1
    T1012

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6066941.exe
      Filesize

      530KB

      MD5

      db90645deb6fdc42e33dd60860d88bc1

      SHA1

      cfffc58d7dba9e8f1afe1941ccea38df66c4d047

      SHA256

      d71a21ee6aac4edd1a3350e864d14c91bf4e46686ddf2a2b93b275e4d6dd2a6b

      SHA512

      1f74cb76afcbe9efa57e791fe35bf47c0783e7506493a35f612572b2c0731a86d7c52e50a6a0bf8773732f427550afb9b7862391bdcb6f30e64753c79738b3d1

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v6066941.exe
      Filesize

      530KB

      MD5

      db90645deb6fdc42e33dd60860d88bc1

      SHA1

      cfffc58d7dba9e8f1afe1941ccea38df66c4d047

      SHA256

      d71a21ee6aac4edd1a3350e864d14c91bf4e46686ddf2a2b93b275e4d6dd2a6b

      SHA512

      1f74cb76afcbe9efa57e791fe35bf47c0783e7506493a35f612572b2c0731a86d7c52e50a6a0bf8773732f427550afb9b7862391bdcb6f30e64753c79738b3d1

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1814385.exe
      Filesize

      358KB

      MD5

      84e7e89f88d687f00d0673e7187ab36e

      SHA1

      c9c7bd91d0abfcea6605fd60de63c1cfe929a31f

      SHA256

      823db8a6523f564e1ecfeca47469acc7f5477a5b1c97ef665331d65b36dcf9a6

      SHA512

      5c3d07545ea91883498d28f4daaea1736a01db52731ff1307802326bd9d2081c5a32fe91f59da9a3a5fb9def3ea43bf7f3b7b1c96ec6059b05047e5abec509d7

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v1814385.exe
      Filesize

      358KB

      MD5

      84e7e89f88d687f00d0673e7187ab36e

      SHA1

      c9c7bd91d0abfcea6605fd60de63c1cfe929a31f

      SHA256

      823db8a6523f564e1ecfeca47469acc7f5477a5b1c97ef665331d65b36dcf9a6

      SHA512

      5c3d07545ea91883498d28f4daaea1736a01db52731ff1307802326bd9d2081c5a32fe91f59da9a3a5fb9def3ea43bf7f3b7b1c96ec6059b05047e5abec509d7

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4192028.exe
      Filesize

      172KB

      MD5

      776237f4ce10fc76aa8f03fd044553e7

      SHA1

      e0321cc99f9771881b9dc7cd8c6b3915946625f1

      SHA256

      d7a735c1b62c49fbdc991ed579c205a2309e34ba8e70eb08683ce44db634d114

      SHA512

      f6540479a512ccb55315c3a8629497ea41e194351429984789aa063805b2f01ac50a06ae0804b580f21d1c924155e0c325bc71761f6eda361e18111917f9ff65

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c4192028.exe
      Filesize

      172KB

      MD5

      776237f4ce10fc76aa8f03fd044553e7

      SHA1

      e0321cc99f9771881b9dc7cd8c6b3915946625f1

      SHA256

      d7a735c1b62c49fbdc991ed579c205a2309e34ba8e70eb08683ce44db634d114

      SHA512

      f6540479a512ccb55315c3a8629497ea41e194351429984789aa063805b2f01ac50a06ae0804b580f21d1c924155e0c325bc71761f6eda361e18111917f9ff65

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5237814.exe
      Filesize

      203KB

      MD5

      fd3bdf37bc13b92ce63937fd0a035af4

      SHA1

      f057fb6229e009d5b44654473a4f818249d1c7cd

      SHA256

      0f522df93e9f1a292dab9d00c5b056b54e82d62433e61688b4de143c7a453d8a

      SHA512

      56952d34198b902b607b9462bec0df614ca519f99fd80fd8cacb52ea6bc38707410f58d93e2985642b334f5723742a4b39b19e6b1782f4b5db16f3d0fa23aa50

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v5237814.exe
      Filesize

      203KB

      MD5

      fd3bdf37bc13b92ce63937fd0a035af4

      SHA1

      f057fb6229e009d5b44654473a4f818249d1c7cd

      SHA256

      0f522df93e9f1a292dab9d00c5b056b54e82d62433e61688b4de143c7a453d8a

      SHA512

      56952d34198b902b607b9462bec0df614ca519f99fd80fd8cacb52ea6bc38707410f58d93e2985642b334f5723742a4b39b19e6b1782f4b5db16f3d0fa23aa50

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6340837.exe
      Filesize

      13KB

      MD5

      599f0c2ae88109722b116af78f77f42d

      SHA1

      887c827e17c5b428f4f61d618a183d66b88f8dfd

      SHA256

      0cc6ba9de0bedaa73c34123da7b7a16ecb1abcf43b0dc2b247bd35150177722e

      SHA512

      d60d04803d700c0fecf62e0428fdd49623e15b3fdaea1dc2e012423afc39be77083511927621378ffbc0cf064ee0ee0e8a8a2da238ed4573204b428f0b9e4485

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a6340837.exe
      Filesize

      13KB

      MD5

      599f0c2ae88109722b116af78f77f42d

      SHA1

      887c827e17c5b428f4f61d618a183d66b88f8dfd

      SHA256

      0cc6ba9de0bedaa73c34123da7b7a16ecb1abcf43b0dc2b247bd35150177722e

      SHA512

      d60d04803d700c0fecf62e0428fdd49623e15b3fdaea1dc2e012423afc39be77083511927621378ffbc0cf064ee0ee0e8a8a2da238ed4573204b428f0b9e4485

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b5336328.exe
      Filesize

      120KB

      MD5

      b9c6bcf644ef1ac91f5ac49893741c3c

      SHA1

      baa494e9ea8e68321b6dfe2268f337e14a8272f7

      SHA256

      8021ae91ca0b442de2dc99b524ed28f0dc05a8c653d21b206120907d7121bdf6

      SHA512

      3b4b61ce21b73e816b532c95c300094d235a4e2c27a86a42bebeda39b8a223ce91fe828c8cc7251c4416c23f528989a05ca92a034c3cbd376238306f0fbe91a6

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b5336328.exe
      Filesize

      120KB

      MD5

      b9c6bcf644ef1ac91f5ac49893741c3c

      SHA1

      baa494e9ea8e68321b6dfe2268f337e14a8272f7

      SHA256

      8021ae91ca0b442de2dc99b524ed28f0dc05a8c653d21b206120907d7121bdf6

      SHA512

      3b4b61ce21b73e816b532c95c300094d235a4e2c27a86a42bebeda39b8a223ce91fe828c8cc7251c4416c23f528989a05ca92a034c3cbd376238306f0fbe91a6

    • memory/1696-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/1840-161-0x0000000000CF0000-0x0000000000CFA000-memory.dmp
      Filesize

      40KB

    • memory/4020-175-0x00000000007F0000-0x0000000000820000-memory.dmp
      Filesize

      192KB

    • memory/4020-176-0x000000000AAF0000-0x000000000B108000-memory.dmp
      Filesize

      6.1MB

    • memory/4020-177-0x000000000A630000-0x000000000A73A000-memory.dmp
      Filesize

      1.0MB

    • memory/4020-178-0x000000000A570000-0x000000000A582000-memory.dmp
      Filesize

      72KB

    • memory/4020-179-0x0000000005040000-0x0000000005050000-memory.dmp
      Filesize

      64KB

    • memory/4020-180-0x000000000A5D0000-0x000000000A60C000-memory.dmp
      Filesize

      240KB

    • memory/4020-181-0x000000000A8E0000-0x000000000A956000-memory.dmp
      Filesize

      472KB

    • memory/4020-182-0x000000000AA00000-0x000000000AA92000-memory.dmp
      Filesize

      584KB

    • memory/4020-183-0x000000000A960000-0x000000000A9C6000-memory.dmp
      Filesize

      408KB

    • memory/4020-184-0x000000000BAC0000-0x000000000C064000-memory.dmp
      Filesize

      5.6MB

    • memory/4020-186-0x000000000B8D0000-0x000000000BA92000-memory.dmp
      Filesize

      1.8MB

    • memory/4020-187-0x0000000005040000-0x0000000005050000-memory.dmp
      Filesize

      64KB

    • memory/4020-188-0x000000000C5A0000-0x000000000CACC000-memory.dmp
      Filesize

      5.2MB

    • memory/4020-189-0x000000000B810000-0x000000000B860000-memory.dmp
      Filesize

      320KB