Analysis

  • max time kernel
    80s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2023 02:26

General

  • Target

    efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe

  • Size

    689KB

  • MD5

    c3edbd6e8a9cd01d918e543c2f565ad5

  • SHA1

    6c6b1b2c9d732f19af6cb93ca34fcecc35faf65f

  • SHA256

    efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b

  • SHA512

    7dd7db2f53f35925c44db8026c17697639da199db9bf3b9cd7138c5f2d3fe0a3d134dd98927b2c9f3d6e44b2dffcbd5547e36aacded10d18c998b0591caaa5da

  • SSDEEP

    12288:UGwUX0PE9LEv2jYWT9BY4DvfOkRTJDfXR0cMQ18gJl24dAIrO:UG70PWrjYG9e4zvDhRGgr24d1O

Malware Config

Extracted

Family

redline

Botnet

rosn

C2

176.113.115.145:4125

Attributes
  • auth_value

    050a19e1db4d0024b0f23b37dcf961f4

Extracted

Family

redline

Botnet

from

C2

176.113.115.145:4125

Attributes
  • auth_value

    8633e283485822a4a48f0a41d5397566

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.

  • RedLine payload 32 IoCs
  • Executes dropped EXE 4 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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe
    "C:\Users\Admin\AppData\Local\Temp\efb37a8180163e2406ee7c9c4f82d088c76a3812f8f93d673360ca75a063b13b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2288
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1280
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1788
          4⤵
          • Program crash
          PID:3908
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2884 -s 484
      2⤵
      • Program crash
      PID:1436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2824 -ip 2824
    1⤵
      PID:3356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2884 -ip 2884
      1⤵
        PID:3980

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exe

        Filesize

        175KB

        MD5

        1b3d3d0bf1647846b849417c66e1eb61

        SHA1

        40f6bdf5d300c13ff57027aacc86e9014411be3d

        SHA256

        32c9fff9e4880f6467fb1f2afb1f8496e249aac09aff74664854ef97c5315f79

        SHA512

        92e1ad76f815de419a37f0b110c60a84e9b84da8aa67697857048303d50e6b8f7b862d51f880600c94a14ca6ad1907c9ea006f44b32c67bc1f42da5b83a63a3c

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\lr858066.exe

        Filesize

        175KB

        MD5

        1b3d3d0bf1647846b849417c66e1eb61

        SHA1

        40f6bdf5d300c13ff57027aacc86e9014411be3d

        SHA256

        32c9fff9e4880f6467fb1f2afb1f8496e249aac09aff74664854ef97c5315f79

        SHA512

        92e1ad76f815de419a37f0b110c60a84e9b84da8aa67697857048303d50e6b8f7b862d51f880600c94a14ca6ad1907c9ea006f44b32c67bc1f42da5b83a63a3c

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exe

        Filesize

        412KB

        MD5

        919bda41ac3a51959a04239e18ae15f5

        SHA1

        d22c97a616604dc7b8e40d076d53248c951e01eb

        SHA256

        fe731f162020686b125737a3122f0da5da067d03c96b59518b08f0e378da52cc

        SHA512

        22f6d9efffe89643c8662017b11a608937c112ecf77bb872017deda930b98c84a32a32a84b15eec601216e85c0b72551e19be86c36b591f7abb021f90e3bb29e

      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ziWN9837.exe

        Filesize

        412KB

        MD5

        919bda41ac3a51959a04239e18ae15f5

        SHA1

        d22c97a616604dc7b8e40d076d53248c951e01eb

        SHA256

        fe731f162020686b125737a3122f0da5da067d03c96b59518b08f0e378da52cc

        SHA512

        22f6d9efffe89643c8662017b11a608937c112ecf77bb872017deda930b98c84a32a32a84b15eec601216e85c0b72551e19be86c36b591f7abb021f90e3bb29e

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exe

        Filesize

        11KB

        MD5

        3411190db00a24305e218735da30dd43

        SHA1

        f3eab1bbd0107864958415ba9540e961d6608ac1

        SHA256

        58414c076a849c89a7bae1b4465cac97e6a5a1d4124acb9e3a72fd17cb955b6c

        SHA512

        7e11fb765506bb47d43c6a0ed4a756ce5cf05751c19b9f7d27efe3ad15a6437dbb9a1fdfc3b771b7596cae96a1b17d01766f214e90fa264194cbfd7bc8e948e8

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\jr442228.exe

        Filesize

        11KB

        MD5

        3411190db00a24305e218735da30dd43

        SHA1

        f3eab1bbd0107864958415ba9540e961d6608ac1

        SHA256

        58414c076a849c89a7bae1b4465cac97e6a5a1d4124acb9e3a72fd17cb955b6c

        SHA512

        7e11fb765506bb47d43c6a0ed4a756ce5cf05751c19b9f7d27efe3ad15a6437dbb9a1fdfc3b771b7596cae96a1b17d01766f214e90fa264194cbfd7bc8e948e8

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exe

        Filesize

        365KB

        MD5

        10e54a934dcf8cc1a605932adaa1e52b

        SHA1

        d5159b84191c3b070dd33bb09b8749dddc8bc8db

        SHA256

        8d9f9001387f6f8917dccead652d66d05642c4fa72f07745e0755e4dfda36ccc

        SHA512

        40a0efe89f4246c1c23f5dd701aec060305b99a0734bedf6d612be14e40995f924764e62d9450ca3098e268290485dc75732543939df5699335800115d4e90c1

      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ku242230.exe

        Filesize

        365KB

        MD5

        10e54a934dcf8cc1a605932adaa1e52b

        SHA1

        d5159b84191c3b070dd33bb09b8749dddc8bc8db

        SHA256

        8d9f9001387f6f8917dccead652d66d05642c4fa72f07745e0755e4dfda36ccc

        SHA512

        40a0efe89f4246c1c23f5dd701aec060305b99a0734bedf6d612be14e40995f924764e62d9450ca3098e268290485dc75732543939df5699335800115d4e90c1

      • memory/1280-148-0x0000000000C10000-0x0000000000C1A000-memory.dmp

        Filesize

        40KB

      • memory/2340-1088-0x00000000003F0000-0x0000000000422000-memory.dmp

        Filesize

        200KB

      • memory/2340-1089-0x0000000004CC0000-0x0000000004CD0000-memory.dmp

        Filesize

        64KB

      • memory/2824-194-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-206-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-159-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-160-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-162-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-164-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-161-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-166-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-168-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-170-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-172-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-174-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-176-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-178-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-180-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-182-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-184-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-186-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-188-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-190-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-192-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-157-0x00000000007F0000-0x000000000083B000-memory.dmp

        Filesize

        300KB

      • memory/2824-196-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-198-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-200-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-202-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-204-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-158-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-208-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-210-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-212-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-214-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-216-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-218-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-220-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-222-0x00000000027E0000-0x000000000281F000-memory.dmp

        Filesize

        252KB

      • memory/2824-1067-0x0000000005530000-0x0000000005B48000-memory.dmp

        Filesize

        6.1MB

      • memory/2824-1068-0x0000000004DE0000-0x0000000004EEA000-memory.dmp

        Filesize

        1.0MB

      • memory/2824-1069-0x0000000004F20000-0x0000000004F32000-memory.dmp

        Filesize

        72KB

      • memory/2824-1070-0x0000000005B50000-0x0000000005B8C000-memory.dmp

        Filesize

        240KB

      • memory/2824-1071-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-1074-0x0000000005E10000-0x0000000005EA2000-memory.dmp

        Filesize

        584KB

      • memory/2824-1075-0x0000000005EB0000-0x0000000005F16000-memory.dmp

        Filesize

        408KB

      • memory/2824-1076-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-1077-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-1078-0x0000000004F70000-0x0000000004F80000-memory.dmp

        Filesize

        64KB

      • memory/2824-1079-0x0000000006810000-0x0000000006886000-memory.dmp

        Filesize

        472KB

      • memory/2824-156-0x0000000004F80000-0x0000000005524000-memory.dmp

        Filesize

        5.6MB

      • memory/2824-1080-0x00000000068B0000-0x0000000006900000-memory.dmp

        Filesize

        320KB

      • memory/2824-1081-0x0000000006900000-0x0000000006AC2000-memory.dmp

        Filesize

        1.8MB

      • memory/2824-1082-0x0000000006AE0000-0x000000000700C000-memory.dmp

        Filesize

        5.2MB

      • memory/2884-149-0x00000000025A0000-0x000000000262C000-memory.dmp

        Filesize

        560KB

      • memory/2884-150-0x0000000000400000-0x000000000076F000-memory.dmp

        Filesize

        3.4MB