Analysis

  • max time kernel
    146s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-06-2023 03:18

General

  • Target

    3ad0123690b3f59924c82ff86fde6ca90474b8ee8e395f7b9a4902922efd2705.exe

  • Size

    736KB

  • MD5

    4636d9e8bcc1a6d371204c04cc95ae18

  • SHA1

    7a6e6ca9b8983baf372a07e9de40454d91445101

  • SHA256

    3ad0123690b3f59924c82ff86fde6ca90474b8ee8e395f7b9a4902922efd2705

  • SHA512

    525d992de081c45b2e6ac26968ac3967615cb74dce91972a38f88c2d3673e9ecb57ce4dbd0887fa99e02b7740589ab7fce48725136cfc9de16f9567d7e7ab429

  • SSDEEP

    12288:TMrOy904y0hFYF6cnF27059C4Iy0EVqrTQv5s0qBNFk8O/T9/lV1T0LJH/hYmdX:By2OYF6cns6tVST85LqBy/ThlPTcpd9

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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3ad0123690b3f59924c82ff86fde6ca90474b8ee8e395f7b9a4902922efd2705.exe
    "C:\Users\Admin\AppData\Local\Temp\3ad0123690b3f59924c82ff86fde6ca90474b8ee8e395f7b9a4902922efd2705.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2900
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1096638.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1096638.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2332
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5483198.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5483198.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4340298.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4340298.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:4368
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2491201.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2491201.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4640
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b9001994.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b9001994.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:896
            • 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:4504
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 152
              6⤵
              • Program crash
              PID:448
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c7889074.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c7889074.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:5008
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 896 -ip 896
    1⤵
      PID:400

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1096638.exe
      Filesize

      530KB

      MD5

      7179856d32a9d26d9426187401050294

      SHA1

      f100ac866f41f93ff4a9fd8b44ae888f682606ce

      SHA256

      98b03f25ed337e61366385eb3cbd4d02827cf80b8ed323967077146db9527a90

      SHA512

      6f2c78b9d03cc9ad4399e8c561a30b1371dc73345cf812aed3b5186d4bbe7ed2ac7d575d1ec742ecafdcbd467987ce53c040f948636abb210a8b1ae063a0efb9

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v1096638.exe
      Filesize

      530KB

      MD5

      7179856d32a9d26d9426187401050294

      SHA1

      f100ac866f41f93ff4a9fd8b44ae888f682606ce

      SHA256

      98b03f25ed337e61366385eb3cbd4d02827cf80b8ed323967077146db9527a90

      SHA512

      6f2c78b9d03cc9ad4399e8c561a30b1371dc73345cf812aed3b5186d4bbe7ed2ac7d575d1ec742ecafdcbd467987ce53c040f948636abb210a8b1ae063a0efb9

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5483198.exe
      Filesize

      357KB

      MD5

      7c49e2eb13035c55c7bde330bf9d3f04

      SHA1

      23d5d1ae19d3e5b2ea0d4d8670cf7afe1d42fb01

      SHA256

      fbb2aff50173f1cb5d58a85ca8c2095ee630c7750d5e11b4c457bf2f5dbbeb8f

      SHA512

      36d08c356963d824bafbc858abd1ffde2810d5afdb0cfb9a8df0c5d4e8cadef82b011ec8814e7ee61504e98d8790493bfffbbd599517635e9f937b2a94e442cd

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v5483198.exe
      Filesize

      357KB

      MD5

      7c49e2eb13035c55c7bde330bf9d3f04

      SHA1

      23d5d1ae19d3e5b2ea0d4d8670cf7afe1d42fb01

      SHA256

      fbb2aff50173f1cb5d58a85ca8c2095ee630c7750d5e11b4c457bf2f5dbbeb8f

      SHA512

      36d08c356963d824bafbc858abd1ffde2810d5afdb0cfb9a8df0c5d4e8cadef82b011ec8814e7ee61504e98d8790493bfffbbd599517635e9f937b2a94e442cd

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c7889074.exe
      Filesize

      172KB

      MD5

      a00b8e09d601e2be389c79e33538bc4d

      SHA1

      0764c9d856c27b269d2ca45369166bf1c9bd3882

      SHA256

      f3e05793df33e9daf6761090008bd1cd009039063978fd9e0313e79221d581f7

      SHA512

      ec71a2b62005cbc7395b7f1f0b56446ba3e268a47059ddf681fad858a397b681221c90cae57c2223c178ef3b0feaa344a0e9edea0e5de0655d37b3519234b919

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c7889074.exe
      Filesize

      172KB

      MD5

      a00b8e09d601e2be389c79e33538bc4d

      SHA1

      0764c9d856c27b269d2ca45369166bf1c9bd3882

      SHA256

      f3e05793df33e9daf6761090008bd1cd009039063978fd9e0313e79221d581f7

      SHA512

      ec71a2b62005cbc7395b7f1f0b56446ba3e268a47059ddf681fad858a397b681221c90cae57c2223c178ef3b0feaa344a0e9edea0e5de0655d37b3519234b919

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4340298.exe
      Filesize

      202KB

      MD5

      f3dfcb176639ab5ee630640ffed39f90

      SHA1

      07f76c7ca850c4536209249aef5d151672068fce

      SHA256

      45dad72b1f4c5040e6737819398f80fd7a3cb07c72adfc7bc58e2a198842d6c8

      SHA512

      a02d26d252d33817c0fc85bc768ab52e9617911c4b653fe401a669329f6e6b60898af89fd21cef2f081bb6a63a59af9e7f7d0882566127664f5d2af902383f46

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v4340298.exe
      Filesize

      202KB

      MD5

      f3dfcb176639ab5ee630640ffed39f90

      SHA1

      07f76c7ca850c4536209249aef5d151672068fce

      SHA256

      45dad72b1f4c5040e6737819398f80fd7a3cb07c72adfc7bc58e2a198842d6c8

      SHA512

      a02d26d252d33817c0fc85bc768ab52e9617911c4b653fe401a669329f6e6b60898af89fd21cef2f081bb6a63a59af9e7f7d0882566127664f5d2af902383f46

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2491201.exe
      Filesize

      13KB

      MD5

      1f5b40e345bc2490491355f3b4e2a03e

      SHA1

      ab03a56383442f7d8c200c47580f0be51181fdc3

      SHA256

      83dc57e2199b82e3772479fdfc95ed1c7077d2fe39444eb4ec9b45d015961bb1

      SHA512

      f1ac3def74e1cbd9e3d0215099c62d4035922fd6c5f705a27eb56b593cbf84a821ca92b4914688de39bee574885da4b00c937f04d5fe79951c36af32bf32d06a

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a2491201.exe
      Filesize

      13KB

      MD5

      1f5b40e345bc2490491355f3b4e2a03e

      SHA1

      ab03a56383442f7d8c200c47580f0be51181fdc3

      SHA256

      83dc57e2199b82e3772479fdfc95ed1c7077d2fe39444eb4ec9b45d015961bb1

      SHA512

      f1ac3def74e1cbd9e3d0215099c62d4035922fd6c5f705a27eb56b593cbf84a821ca92b4914688de39bee574885da4b00c937f04d5fe79951c36af32bf32d06a

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b9001994.exe
      Filesize

      117KB

      MD5

      68575acf17ea8aaf8f4a005d10a03a5b

      SHA1

      6e1ce0ab3a0e6700004f1893931ec4f645d97e46

      SHA256

      f1d0e90dca20b7c605cafa9d709863040995249bd6ecf691bb972748d26b3ee4

      SHA512

      c5d7e1bc57a660c44b694cdeabdc585dd89c7010a166eec7fdabb2fec6a72c14d92adb187c69968988b21bcb9042f7e2c8d83bb921c30a1344b47de1ed158b81

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b9001994.exe
      Filesize

      117KB

      MD5

      68575acf17ea8aaf8f4a005d10a03a5b

      SHA1

      6e1ce0ab3a0e6700004f1893931ec4f645d97e46

      SHA256

      f1d0e90dca20b7c605cafa9d709863040995249bd6ecf691bb972748d26b3ee4

      SHA512

      c5d7e1bc57a660c44b694cdeabdc585dd89c7010a166eec7fdabb2fec6a72c14d92adb187c69968988b21bcb9042f7e2c8d83bb921c30a1344b47de1ed158b81

    • memory/4504-167-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/4640-161-0x00000000002F0000-0x00000000002FA000-memory.dmp
      Filesize

      40KB

    • memory/5008-175-0x0000000000110000-0x0000000000140000-memory.dmp
      Filesize

      192KB

    • memory/5008-176-0x000000000A480000-0x000000000AA98000-memory.dmp
      Filesize

      6.1MB

    • memory/5008-177-0x0000000009F70000-0x000000000A07A000-memory.dmp
      Filesize

      1.0MB

    • memory/5008-178-0x0000000009E90000-0x0000000009EA2000-memory.dmp
      Filesize

      72KB

    • memory/5008-179-0x0000000009EF0000-0x0000000009F2C000-memory.dmp
      Filesize

      240KB

    • memory/5008-180-0x0000000004AD0000-0x0000000004AE0000-memory.dmp
      Filesize

      64KB

    • memory/5008-181-0x000000000A300000-0x000000000A376000-memory.dmp
      Filesize

      472KB

    • memory/5008-182-0x000000000AAA0000-0x000000000AB32000-memory.dmp
      Filesize

      584KB

    • memory/5008-183-0x000000000B0F0000-0x000000000B694000-memory.dmp
      Filesize

      5.6MB

    • memory/5008-184-0x000000000A3F0000-0x000000000A456000-memory.dmp
      Filesize

      408KB

    • memory/5008-187-0x000000000B870000-0x000000000BA32000-memory.dmp
      Filesize

      1.8MB

    • memory/5008-186-0x0000000004AD0000-0x0000000004AE0000-memory.dmp
      Filesize

      64KB

    • memory/5008-188-0x000000000BF70000-0x000000000C49C000-memory.dmp
      Filesize

      5.2MB

    • memory/5008-189-0x000000000B770000-0x000000000B7C0000-memory.dmp
      Filesize

      320KB