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
    29-05-2023 17:05

General

  • Target

    4a9a3a0e474dc681e7b572c15b49f9265d02258060cd7292d392042ef2771f43.exe

  • Size

    1.0MB

  • MD5

    b5af04c07d82fe27eecbf9247e267c42

  • SHA1

    1245e033e5203acd9fac73392c52f38474a5a798

  • SHA256

    4a9a3a0e474dc681e7b572c15b49f9265d02258060cd7292d392042ef2771f43

  • SHA512

    c886a02e9721b2249e571256cfa781315e024e41af91ad2b7202763ee31dbc0f2a08b2aadb91bad86fb23ba6f2053358baf4148eb0b638e66b9fc496a14c9c71

  • SSDEEP

    24576:Yy5W1mvQwRX4rjvtN8+OMtFd2k9fnqszSS+TPXo9DFgut8j:fMCRX4rbv8xyzXYMrt

Malware Config

Extracted

Family

redline

Botnet

lizsa

C2

83.97.73.127:19045

Attributes
  • auth_value

    44b0b71b36e78465dbdebb4ecfb78b77

Extracted

Family

redline

Botnet

metro

C2

83.97.73.127:19045

Attributes
  • auth_value

    f7fd4aa816bdbaad933b45b51d9b6b1a

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 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 3 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a9a3a0e474dc681e7b572c15b49f9265d02258060cd7292d392042ef2771f43.exe
    "C:\Users\Admin\AppData\Local\Temp\4a9a3a0e474dc681e7b572c15b49f9265d02258060cd7292d392042ef2771f43.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:916
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0207462.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0207462.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:3096
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z8603922.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z8603922.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:4444
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o3803543.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o3803543.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:1240
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
            "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1396
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p9863153.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p9863153.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4060
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0918054.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0918054.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:5028
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
          "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\AppLaunch.exe"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2776
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:844
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of UnmapMainImage
        PID:3728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3728 -s 12
          4⤵
          • Program crash
          PID:4468
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3728 -ip 3728
    1⤵
      PID:4724

    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

    2
    T1112

    Disabling Security Tools

    1
    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\Microsoft\CLR_v4.0_32\UsageLogs\AppLaunch.exe.log
      Filesize

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
      Filesize

      964KB

      MD5

      d2f5668b909940c3245af1b8ad202007

      SHA1

      dd25b60587632e72bcd5f98268e5dbbc238daa75

      SHA256

      81507d1fb2e0a441906b58aebc37ac5a461e219da5a9a9df666c47a7b391fafa

      SHA512

      6787bdf146e12ce9e2ebb2498890670ff000b4ca6f5d34d2e28192884bebc39bfd610274715e2b381f7c0842c85e2da622a8cf760bbcc288f285d39f2546b774

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
      Filesize

      964KB

      MD5

      d2f5668b909940c3245af1b8ad202007

      SHA1

      dd25b60587632e72bcd5f98268e5dbbc238daa75

      SHA256

      81507d1fb2e0a441906b58aebc37ac5a461e219da5a9a9df666c47a7b391fafa

      SHA512

      6787bdf146e12ce9e2ebb2498890670ff000b4ca6f5d34d2e28192884bebc39bfd610274715e2b381f7c0842c85e2da622a8cf760bbcc288f285d39f2546b774

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s3455351.exe
      Filesize

      964KB

      MD5

      d2f5668b909940c3245af1b8ad202007

      SHA1

      dd25b60587632e72bcd5f98268e5dbbc238daa75

      SHA256

      81507d1fb2e0a441906b58aebc37ac5a461e219da5a9a9df666c47a7b391fafa

      SHA512

      6787bdf146e12ce9e2ebb2498890670ff000b4ca6f5d34d2e28192884bebc39bfd610274715e2b381f7c0842c85e2da622a8cf760bbcc288f285d39f2546b774

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0207462.exe
      Filesize

      616KB

      MD5

      6bdbdd9e59b374d3fcbf514a3f7cfc56

      SHA1

      632c24870445278417f2c7176754bf05ac14f5af

      SHA256

      ae9d7ef36617fc2b18d9bd6b4e09c1d992f2c63437fc7cece5325bed83ef94c4

      SHA512

      0af3c5e9661edf9c0ffa38e9d26e36b7b6c07f2f61c98e58211924aa5d7991c7853c237be1d073d596df9ef975b2df01120993d2d55141973d9b4d7a59f19e54

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z0207462.exe
      Filesize

      616KB

      MD5

      6bdbdd9e59b374d3fcbf514a3f7cfc56

      SHA1

      632c24870445278417f2c7176754bf05ac14f5af

      SHA256

      ae9d7ef36617fc2b18d9bd6b4e09c1d992f2c63437fc7cece5325bed83ef94c4

      SHA512

      0af3c5e9661edf9c0ffa38e9d26e36b7b6c07f2f61c98e58211924aa5d7991c7853c237be1d073d596df9ef975b2df01120993d2d55141973d9b4d7a59f19e54

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0918054.exe
      Filesize

      321KB

      MD5

      afac66227495ec55b2908224ce63a848

      SHA1

      eb2204cd5a7b93f72f530268388e44a9c736ecce

      SHA256

      d20f36297176875afc546ea75be237ee7fbe4d579d64a8f735f181b19cb862cd

      SHA512

      028affe84fdf9300cf7589023d03207c3d63e6c478efb9352e2464789b460ef17451a8f747c29d6b3f11afe95b0e173782362a3e16605fba526f8391df6392c8

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\r0918054.exe
      Filesize

      321KB

      MD5

      afac66227495ec55b2908224ce63a848

      SHA1

      eb2204cd5a7b93f72f530268388e44a9c736ecce

      SHA256

      d20f36297176875afc546ea75be237ee7fbe4d579d64a8f735f181b19cb862cd

      SHA512

      028affe84fdf9300cf7589023d03207c3d63e6c478efb9352e2464789b460ef17451a8f747c29d6b3f11afe95b0e173782362a3e16605fba526f8391df6392c8

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z8603922.exe
      Filesize

      281KB

      MD5

      e9ea682b52741feec9b12d08216e2cde

      SHA1

      fe598bb204361b962d0bb10ace334cad8c0ec9b0

      SHA256

      c5b2ef20d2a18c1dbb75124c86b720b3d8e363d944daf9497ef6f75f08309d1a

      SHA512

      f85dfd97b6fdc15a4dc1fa068b703362c6cdbdac551717a47f8ea7e39da929b69f937172c77d170cd3419d1cdd8c50b1d25a81eeca6a29c84d222da8378252a5

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z8603922.exe
      Filesize

      281KB

      MD5

      e9ea682b52741feec9b12d08216e2cde

      SHA1

      fe598bb204361b962d0bb10ace334cad8c0ec9b0

      SHA256

      c5b2ef20d2a18c1dbb75124c86b720b3d8e363d944daf9497ef6f75f08309d1a

      SHA512

      f85dfd97b6fdc15a4dc1fa068b703362c6cdbdac551717a47f8ea7e39da929b69f937172c77d170cd3419d1cdd8c50b1d25a81eeca6a29c84d222da8378252a5

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o3803543.exe
      Filesize

      164KB

      MD5

      1b436af645c0700065530c1fdcffcf64

      SHA1

      e130df27c1266e5c3d7da8a48ff4c4decaff9ee0

      SHA256

      875c505f293ad3b3ccc12b5906e423947bb680b1f11704fb44816761acea879b

      SHA512

      c51241788f336c347a058c8fa95ee3cf55725e79a560ac6153e3ecff54280f2bb624343c28302eb7273009c64b18acac3923832aff8c2c54c62103d9710ff888

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\o3803543.exe
      Filesize

      164KB

      MD5

      1b436af645c0700065530c1fdcffcf64

      SHA1

      e130df27c1266e5c3d7da8a48ff4c4decaff9ee0

      SHA256

      875c505f293ad3b3ccc12b5906e423947bb680b1f11704fb44816761acea879b

      SHA512

      c51241788f336c347a058c8fa95ee3cf55725e79a560ac6153e3ecff54280f2bb624343c28302eb7273009c64b18acac3923832aff8c2c54c62103d9710ff888

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p9863153.exe
      Filesize

      168KB

      MD5

      d10a8921da333801a5f449b647656ea9

      SHA1

      b12f7599c8277e7c950d3a5356a0fedf1ec369c1

      SHA256

      4d12f2b476f59af51df38baf68f87e10475134a4e29aa3b07f00b1ece60b0197

      SHA512

      0d7d3488bfadee356e8e6ca2e832713510d9056e179bf9cd91e841faa863190f54cd25b2e66185367387570750fa2578eb99f8f1cc65f35b114ccd5b8e88847f

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\p9863153.exe
      Filesize

      168KB

      MD5

      d10a8921da333801a5f449b647656ea9

      SHA1

      b12f7599c8277e7c950d3a5356a0fedf1ec369c1

      SHA256

      4d12f2b476f59af51df38baf68f87e10475134a4e29aa3b07f00b1ece60b0197

      SHA512

      0d7d3488bfadee356e8e6ca2e832713510d9056e179bf9cd91e841faa863190f54cd25b2e66185367387570750fa2578eb99f8f1cc65f35b114ccd5b8e88847f

    • memory/844-194-0x0000000007390000-0x00000000073A0000-memory.dmp
      Filesize

      64KB

    • memory/844-192-0x0000000000600000-0x00000000006F8000-memory.dmp
      Filesize

      992KB

    • memory/1396-155-0x0000000000400000-0x000000000040A000-memory.dmp
      Filesize

      40KB

    • memory/2776-183-0x0000000000410000-0x000000000043E000-memory.dmp
      Filesize

      184KB

    • memory/2776-193-0x0000000004980000-0x0000000004990000-memory.dmp
      Filesize

      64KB

    • memory/3728-198-0x0000000000370000-0x0000000000370000-memory.dmp
    • memory/3728-195-0x0000000000400000-0x0000000000438000-memory.dmp
      Filesize

      224KB

    • memory/4060-173-0x0000000005C40000-0x0000000005C90000-memory.dmp
      Filesize

      320KB

    • memory/4060-163-0x0000000000010000-0x000000000003E000-memory.dmp
      Filesize

      184KB

    • memory/4060-167-0x0000000004B00000-0x0000000004B3C000-memory.dmp
      Filesize

      240KB

    • memory/4060-166-0x0000000004990000-0x00000000049A2000-memory.dmp
      Filesize

      72KB

    • memory/4060-176-0x0000000005F70000-0x0000000006132000-memory.dmp
      Filesize

      1.8MB

    • memory/4060-165-0x0000000004BD0000-0x0000000004CDA000-memory.dmp
      Filesize

      1.0MB

    • memory/4060-164-0x00000000050E0000-0x00000000056F8000-memory.dmp
      Filesize

      6.1MB

    • memory/4060-177-0x0000000008370000-0x000000000889C000-memory.dmp
      Filesize

      5.2MB

    • memory/4060-175-0x00000000049B0000-0x00000000049C0000-memory.dmp
      Filesize

      64KB

    • memory/4060-168-0x00000000049B0000-0x00000000049C0000-memory.dmp
      Filesize

      64KB

    • memory/4060-172-0x00000000061A0000-0x0000000006744000-memory.dmp
      Filesize

      5.6MB

    • memory/4060-171-0x0000000004E90000-0x0000000004EF6000-memory.dmp
      Filesize

      408KB

    • memory/4060-170-0x0000000004F30000-0x0000000004FC2000-memory.dmp
      Filesize

      584KB

    • memory/4060-169-0x0000000004E10000-0x0000000004E86000-memory.dmp
      Filesize

      472KB