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Analysis

  • max time kernel
    187s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2023, 20:34

General

  • Target

    f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe

  • Size

    1.2MB

  • MD5

    ffb6bc29fe1a2b1347a302e3587dff19

  • SHA1

    ef527cb80e691e5a51da552fd7e334032f309421

  • SHA256

    f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f

  • SHA512

    f1239c70d4d2726b63a72a36c1a3da63d4f8a1998261e1c78aa7b587a88a960850b086601d1e2043e00066e7aff800dc6c6eca460b70b313363c4d0ecc164bf6

  • SSDEEP

    24576:Fj3DX6L44JAoqyf2Bh1F/tSs8mL2U7wucjiw017bw1xq9poyMmem:Fj76L+oqyf2Bl/ksdr754iw017bmw

Malware Config

Signatures

  • Detects Redline Stealer samples 1 IoCs

    This rule detects the presence of Redline Stealer samples based on their unique strings.

  • 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 4 IoCs
  • Windows security modification 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe
    "C:\Users\Admin\AppData\Local\Temp\f9331b1563d414437c218d9af56e1d6a7e1903b2e8e5d32f20ced61254c0601f.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exe
          4⤵
          • Modifies Windows Defender Real-time Protection settings
          • Executes dropped EXE
          • Windows security modification
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1348
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1348 -s 1088
            5⤵
            • Program crash
            PID:3508
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:1152
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1348 -ip 1348
    1⤵
      PID:4740

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exe

      Filesize

      763KB

      MD5

      0e3a87f5fbde6985aa586bb53da140d8

      SHA1

      f87d70a6bf68b017be78540cbceb35d9cf3267e8

      SHA256

      d13043c44eca8a7eb2415dc218d87a5d9b561783ff92d215dfb248b38d20b423

      SHA512

      52ec3ad56b9e3edb497ad4f2fd916162fbf35020b9c8931f31dff6e374ea505d42144a4ddb8e77214d2a562f3d15ea58bf091ca612826975cbcac72db1ae251c

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\qv264349.exe

      Filesize

      763KB

      MD5

      0e3a87f5fbde6985aa586bb53da140d8

      SHA1

      f87d70a6bf68b017be78540cbceb35d9cf3267e8

      SHA256

      d13043c44eca8a7eb2415dc218d87a5d9b561783ff92d215dfb248b38d20b423

      SHA512

      52ec3ad56b9e3edb497ad4f2fd916162fbf35020b9c8931f31dff6e374ea505d42144a4ddb8e77214d2a562f3d15ea58bf091ca612826975cbcac72db1ae251c

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exe

      Filesize

      592KB

      MD5

      dbf7b7943e0bbfbfe2ff3081429310c2

      SHA1

      4633b71d0234283b80e9cd8cf3ae8a638866b8d0

      SHA256

      93394041a467699908ec68b26301930ab36f0bf0164bde2a1b195f6c9b919d2d

      SHA512

      884eb3bd5c1cca47c47406ff2834129ee971b2480659450bb775b39cdf3a7ade843e2a359ab5b76bd7bd04877698c1fa58df484daa80a6433e0757d3ac4f803e

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\gv434705.exe

      Filesize

      592KB

      MD5

      dbf7b7943e0bbfbfe2ff3081429310c2

      SHA1

      4633b71d0234283b80e9cd8cf3ae8a638866b8d0

      SHA256

      93394041a467699908ec68b26301930ab36f0bf0164bde2a1b195f6c9b919d2d

      SHA512

      884eb3bd5c1cca47c47406ff2834129ee971b2480659450bb775b39cdf3a7ade843e2a359ab5b76bd7bd04877698c1fa58df484daa80a6433e0757d3ac4f803e

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exe

      Filesize

      376KB

      MD5

      808c6015ca73ae5171c3cb969a156c6b

      SHA1

      3ab3439a5c48623a248166eed4f20e73437b2e36

      SHA256

      bb8e0f54593b23da5b272eb1734b6eec66f09d07b2699162f8e77b73094346fc

      SHA512

      a1821b2168460260a28aeb0b881be02e264f4abbf8ef3800f3ac442da72667bfb3406b6941ceea92e86a50e764f0e882c3d767766ed88ac71c34809002ca6483

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\137239924.exe

      Filesize

      376KB

      MD5

      808c6015ca73ae5171c3cb969a156c6b

      SHA1

      3ab3439a5c48623a248166eed4f20e73437b2e36

      SHA256

      bb8e0f54593b23da5b272eb1734b6eec66f09d07b2699162f8e77b73094346fc

      SHA512

      a1821b2168460260a28aeb0b881be02e264f4abbf8ef3800f3ac442da72667bfb3406b6941ceea92e86a50e764f0e882c3d767766ed88ac71c34809002ca6483

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exe

      Filesize

      459KB

      MD5

      28c9569fdfa17a87ada4d354430339f8

      SHA1

      d14414d275ead078c603ff60c08ce452475d3c5a

      SHA256

      3640ff98e63f79701d453338015bb2053e359016fb7e0d82b681b751adae04b1

      SHA512

      354bf9c17a39487f5d3125eb7aff5735f9fe7eb5a926d78f21ce5d0f7ee532da15b0b231151b772a2b6f79707e3eb21f77968a98ce59c31179ea62dac82d1610

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\217307972.exe

      Filesize

      459KB

      MD5

      28c9569fdfa17a87ada4d354430339f8

      SHA1

      d14414d275ead078c603ff60c08ce452475d3c5a

      SHA256

      3640ff98e63f79701d453338015bb2053e359016fb7e0d82b681b751adae04b1

      SHA512

      354bf9c17a39487f5d3125eb7aff5735f9fe7eb5a926d78f21ce5d0f7ee532da15b0b231151b772a2b6f79707e3eb21f77968a98ce59c31179ea62dac82d1610

    • memory/1152-614-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-610-0x0000000000A30000-0x0000000000A76000-memory.dmp

      Filesize

      280KB

    • memory/1152-1013-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-1010-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-210-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-1009-0x00000000080B0000-0x00000000080EC000-memory.dmp

      Filesize

      240KB

    • memory/1152-1008-0x0000000007F90000-0x000000000809A000-memory.dmp

      Filesize

      1.0MB

    • memory/1152-1015-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-1007-0x0000000007F70000-0x0000000007F82000-memory.dmp

      Filesize

      72KB

    • memory/1152-1006-0x00000000078B0000-0x0000000007EC8000-memory.dmp

      Filesize

      6.1MB

    • memory/1152-211-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-611-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-613-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-1014-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1152-233-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-229-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-231-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-227-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-225-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-223-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-221-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-219-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-217-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-215-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-213-0x00000000053B0000-0x00000000053E5000-memory.dmp

      Filesize

      212KB

    • memory/1152-1016-0x0000000004DF0000-0x0000000004E00000-memory.dmp

      Filesize

      64KB

    • memory/1260-145-0x0000000002850000-0x0000000002956000-memory.dmp

      Filesize

      1.0MB

    • memory/1260-162-0x0000000000400000-0x00000000008E0000-memory.dmp

      Filesize

      4.9MB

    • memory/1348-166-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-201-0x0000000000400000-0x0000000000803000-memory.dmp

      Filesize

      4.0MB

    • memory/1348-195-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-194-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-193-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-191-0x0000000000400000-0x0000000000803000-memory.dmp

      Filesize

      4.0MB

    • memory/1348-190-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-188-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-186-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-184-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-182-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-180-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-178-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-176-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-174-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-172-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-170-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-168-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-164-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-163-0x0000000002A30000-0x0000000002A42000-memory.dmp

      Filesize

      72KB

    • memory/1348-161-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-160-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-159-0x0000000002A60000-0x0000000002A70000-memory.dmp

      Filesize

      64KB

    • memory/1348-158-0x0000000004E10000-0x00000000053B4000-memory.dmp

      Filesize

      5.6MB

    • memory/1348-157-0x0000000000950000-0x000000000097D000-memory.dmp

      Filesize

      180KB