Analysis

  • max time kernel
    135s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/05/2023, 10:39

General

  • Target

    8bb911b96ed2c9ff118ceaa0a850b07edb98379607415e20dac6471d1aef7f33.exe

  • Size

    1.1MB

  • MD5

    66d42ef7d4d672e37076007d7c4ab94d

  • SHA1

    2b7d267958554b50370cd4168bf1f26105aa2158

  • SHA256

    8bb911b96ed2c9ff118ceaa0a850b07edb98379607415e20dac6471d1aef7f33

  • SHA512

    5d05a1ba0969460e76fcd4d6230eb55b102babe8abc24817af864e10bd2b38d1b11f6f0328ae606cbcf69e268e3cc5534bb6358b5abec221297840e407fde213

  • SSDEEP

    24576:RyIwMFNg2d4tnD7M+napmMBJ8e4koQoCVVANoqJ5nL:E6Nnd+7n2O879AN

Malware Config

Extracted

Family

redline

Botnet

larry

C2

185.161.248.75:4132

Attributes
  • auth_value

    9039557bb7a08f5f2f60e2b71e1dee0e

Extracted

Family

redline

Botnet

warum

C2

185.161.248.75:4132

Attributes
  • auth_value

    0bdb2dda91dadc65f555dee088a6a2a4

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • RedLine

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

  • Executes dropped EXE 8 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 2 IoCs
  • Adds Run key to start application 2 TTPs 6 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 2 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8bb911b96ed2c9ff118ceaa0a850b07edb98379607415e20dac6471d1aef7f33.exe
    "C:\Users\Admin\AppData\Local\Temp\8bb911b96ed2c9ff118ceaa0a850b07edb98379607415e20dac6471d1aef7f33.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0298953.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0298953.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2706756.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2706756.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:3312
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o5337176.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o5337176.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1328
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p8779201.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p8779201.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4588
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3256
        • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe
          C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4276
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1700
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of UnmapMainImage
        PID:4640
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 12
          4⤵
          • Program crash
          PID:1492
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4640 -ip 4640
    1⤵
      PID:4544

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\r3790043.exe.log

      Filesize

      425B

      MD5

      4eaca4566b22b01cd3bc115b9b0b2196

      SHA1

      e743e0792c19f71740416e7b3c061d9f1336bf94

      SHA256

      34ba0ab8d1850e7825763f413142a333ccbc05fa2b5499a28a7d27b8a1c5b4bb

      SHA512

      bc2b1bf45203e3bb3009a7d37617b8f0f7ffa613680b32de2b963e39d2cf1650614d7035a0cf78f35a4f5cb17a2a439e2e07deaefd2a4275a62efd0a5c0184a1

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe

      Filesize

      962KB

      MD5

      71333d172a69562cb33882a73182f829

      SHA1

      86ca15709efcf0dcb756744c4b87f2698da7ff5d

      SHA256

      411d5f497bb9968c58e68b9f9a7eee1ebe9bb7e1c7038004c3084bc76a6573a6

      SHA512

      12433cb2f2fcce41ea70e3d1a3777d0e0730ca4ecae3d26fd180474512a464d6320625f61ad4f19671e5ae5c7177e49a1753006eed536eaed80d03cabf3fefae

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe

      Filesize

      962KB

      MD5

      71333d172a69562cb33882a73182f829

      SHA1

      86ca15709efcf0dcb756744c4b87f2698da7ff5d

      SHA256

      411d5f497bb9968c58e68b9f9a7eee1ebe9bb7e1c7038004c3084bc76a6573a6

      SHA512

      12433cb2f2fcce41ea70e3d1a3777d0e0730ca4ecae3d26fd180474512a464d6320625f61ad4f19671e5ae5c7177e49a1753006eed536eaed80d03cabf3fefae

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s2052208.exe

      Filesize

      962KB

      MD5

      71333d172a69562cb33882a73182f829

      SHA1

      86ca15709efcf0dcb756744c4b87f2698da7ff5d

      SHA256

      411d5f497bb9968c58e68b9f9a7eee1ebe9bb7e1c7038004c3084bc76a6573a6

      SHA512

      12433cb2f2fcce41ea70e3d1a3777d0e0730ca4ecae3d26fd180474512a464d6320625f61ad4f19671e5ae5c7177e49a1753006eed536eaed80d03cabf3fefae

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0298953.exe

      Filesize

      702KB

      MD5

      4e7b2a27eea97f6fe01a4ba29ab6840f

      SHA1

      ea7e0fa85d2e6d4ad3002fe2048061f3f38daff7

      SHA256

      f3c72dc0c368bc9eb2332529d2e851e3692471aec6f5a5f1f22f3eb1c422f69e

      SHA512

      bd7f8596202b066cf4c8ba13dcf02dcb58f9c58605357a849aed50699325725dd45ccff8bce274eec409d8f1878928680fe4582b81aa6377fe4d77a9a6849c27

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0298953.exe

      Filesize

      702KB

      MD5

      4e7b2a27eea97f6fe01a4ba29ab6840f

      SHA1

      ea7e0fa85d2e6d4ad3002fe2048061f3f38daff7

      SHA256

      f3c72dc0c368bc9eb2332529d2e851e3692471aec6f5a5f1f22f3eb1c422f69e

      SHA512

      bd7f8596202b066cf4c8ba13dcf02dcb58f9c58605357a849aed50699325725dd45ccff8bce274eec409d8f1878928680fe4582b81aa6377fe4d77a9a6849c27

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe

      Filesize

      903KB

      MD5

      f01e580a70128abe075d7daf0742db03

      SHA1

      8d526d5e26815f901008f6ba08f5643785a72f5f

      SHA256

      48511165593f0e40a1b8274ff460369bf8175b65b3c34f1162a19e033842e019

      SHA512

      8c0e536c27cf55e01cf9ef5231613d40e827c78899558d341a6d125999edc02d75774d9f937408ce03dd142d80aacbe05dfb16ea82d00b12c5f342622d186cd7

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe

      Filesize

      903KB

      MD5

      f01e580a70128abe075d7daf0742db03

      SHA1

      8d526d5e26815f901008f6ba08f5643785a72f5f

      SHA256

      48511165593f0e40a1b8274ff460369bf8175b65b3c34f1162a19e033842e019

      SHA512

      8c0e536c27cf55e01cf9ef5231613d40e827c78899558d341a6d125999edc02d75774d9f937408ce03dd142d80aacbe05dfb16ea82d00b12c5f342622d186cd7

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r3790043.exe

      Filesize

      903KB

      MD5

      f01e580a70128abe075d7daf0742db03

      SHA1

      8d526d5e26815f901008f6ba08f5643785a72f5f

      SHA256

      48511165593f0e40a1b8274ff460369bf8175b65b3c34f1162a19e033842e019

      SHA512

      8c0e536c27cf55e01cf9ef5231613d40e827c78899558d341a6d125999edc02d75774d9f937408ce03dd142d80aacbe05dfb16ea82d00b12c5f342622d186cd7

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2706756.exe

      Filesize

      305KB

      MD5

      c955b482a5fe4a4fcd5ca2a858eee37c

      SHA1

      f253dffa5dfcae918ad5cb9de3f9d804c39e9028

      SHA256

      3b044d41cf3fcd683a65104b605cd77b0c17de7b33b8b13c3c1feacffab5573d

      SHA512

      66fa1ceea79f693a660f2064504b1d9bd5e931d309aef53809dd6d9b4a85163f3a7f247303aabea72a661371a9982bdd391cb62869ced42d6a7df75737e221b1

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z2706756.exe

      Filesize

      305KB

      MD5

      c955b482a5fe4a4fcd5ca2a858eee37c

      SHA1

      f253dffa5dfcae918ad5cb9de3f9d804c39e9028

      SHA256

      3b044d41cf3fcd683a65104b605cd77b0c17de7b33b8b13c3c1feacffab5573d

      SHA512

      66fa1ceea79f693a660f2064504b1d9bd5e931d309aef53809dd6d9b4a85163f3a7f247303aabea72a661371a9982bdd391cb62869ced42d6a7df75737e221b1

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o5337176.exe

      Filesize

      183KB

      MD5

      3063ac38cb9a09ec7d301e613a4d5ac2

      SHA1

      27547dc3b188811956a3b08f1312b2c4b4fb0faf

      SHA256

      4aabb7f5123c2fa1571f093f6e501efd8238eded1bc59acab6520da1486787b4

      SHA512

      8980b2b9c7fc391d38bcdb0e36643ea89cf2e4c3bc214c3f99ef8839692f4eb514a5bc33e9eea4bdbb19ae00d3a3cad3cb4b0d15e8a1644be83cf6606252b596

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o5337176.exe

      Filesize

      183KB

      MD5

      3063ac38cb9a09ec7d301e613a4d5ac2

      SHA1

      27547dc3b188811956a3b08f1312b2c4b4fb0faf

      SHA256

      4aabb7f5123c2fa1571f093f6e501efd8238eded1bc59acab6520da1486787b4

      SHA512

      8980b2b9c7fc391d38bcdb0e36643ea89cf2e4c3bc214c3f99ef8839692f4eb514a5bc33e9eea4bdbb19ae00d3a3cad3cb4b0d15e8a1644be83cf6606252b596

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p8779201.exe

      Filesize

      145KB

      MD5

      39ad360d8425725a4e0cf4d24a7b9fa6

      SHA1

      5a871b7e3bff294c7bacb16698547fd4622c27a8

      SHA256

      3db25c835f9726bb4e99829335389ef9abc26b48d2f08ddaca82402eb68e14ab

      SHA512

      15af4f7feb5ba59d9dd5d729a343a8060501917e7ab41d971904e352003c1244ab94f8b82b2bf826030b20d1ed35bef5273af04aac30ee66fd8e728f00faf561

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p8779201.exe

      Filesize

      145KB

      MD5

      39ad360d8425725a4e0cf4d24a7b9fa6

      SHA1

      5a871b7e3bff294c7bacb16698547fd4622c27a8

      SHA256

      3db25c835f9726bb4e99829335389ef9abc26b48d2f08ddaca82402eb68e14ab

      SHA512

      15af4f7feb5ba59d9dd5d729a343a8060501917e7ab41d971904e352003c1244ab94f8b82b2bf826030b20d1ed35bef5273af04aac30ee66fd8e728f00faf561

    • memory/1328-164-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-166-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-172-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-174-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-176-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-178-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-180-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-182-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-184-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-185-0x0000000004AF0000-0x0000000004B00000-memory.dmp

      Filesize

      64KB

    • memory/1328-168-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-162-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-154-0x0000000004AF0000-0x0000000004B00000-memory.dmp

      Filesize

      64KB

    • memory/1328-160-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-155-0x0000000004AF0000-0x0000000004B00000-memory.dmp

      Filesize

      64KB

    • memory/1328-170-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-156-0x0000000004B00000-0x00000000050A4000-memory.dmp

      Filesize

      5.6MB

    • memory/1328-157-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1328-158-0x0000000004AC0000-0x0000000004AD6000-memory.dmp

      Filesize

      88KB

    • memory/1700-216-0x0000000000980000-0x0000000000A76000-memory.dmp

      Filesize

      984KB

    • memory/1700-218-0x00000000077F0000-0x0000000007800000-memory.dmp

      Filesize

      64KB

    • memory/3256-208-0x0000000007D80000-0x0000000007D90000-memory.dmp

      Filesize

      64KB

    • memory/3256-207-0x0000000000F10000-0x0000000000FF8000-memory.dmp

      Filesize

      928KB

    • memory/4276-217-0x0000000005350000-0x0000000005360000-memory.dmp

      Filesize

      64KB

    • memory/4276-209-0x0000000000400000-0x000000000042A000-memory.dmp

      Filesize

      168KB

    • memory/4588-198-0x0000000006880000-0x0000000006A42000-memory.dmp

      Filesize

      1.8MB

    • memory/4588-194-0x0000000004FB0000-0x0000000004FEC000-memory.dmp

      Filesize

      240KB

    • memory/4588-199-0x0000000006F80000-0x00000000074AC000-memory.dmp

      Filesize

      5.2MB

    • memory/4588-197-0x00000000054C0000-0x0000000005526000-memory.dmp

      Filesize

      408KB

    • memory/4588-196-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/4588-202-0x0000000006A50000-0x0000000006AA0000-memory.dmp

      Filesize

      320KB

    • memory/4588-195-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/4588-200-0x0000000005000000-0x0000000005010000-memory.dmp

      Filesize

      64KB

    • memory/4588-193-0x0000000004F50000-0x0000000004F62000-memory.dmp

      Filesize

      72KB

    • memory/4588-192-0x0000000005020000-0x000000000512A000-memory.dmp

      Filesize

      1.0MB

    • memory/4588-201-0x00000000067D0000-0x0000000006846000-memory.dmp

      Filesize

      472KB

    • memory/4588-191-0x0000000005530000-0x0000000005B48000-memory.dmp

      Filesize

      6.1MB

    • memory/4588-190-0x00000000006C0000-0x00000000006EA000-memory.dmp

      Filesize

      168KB

    • memory/4640-219-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB