Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-06-2023 01:59

General

  • Target

    152e377e630a9f676dde3ef11d41884af99726af69af12e0385348ad972b3970.exe

  • Size

    776KB

  • MD5

    f87f992f761726b984b7005c313bf852

  • SHA1

    351ad717b39574c4e702aa1e21dc3dbf488cc5e0

  • SHA256

    152e377e630a9f676dde3ef11d41884af99726af69af12e0385348ad972b3970

  • SHA512

    efbf41b8b374422d7b52c38ac3a916407da6e987a6a6b7c292cc992695cc90e852c33bf07ee6f5a36722f145cd1a44ceca23035e66789af08bbe56db9e3fe208

  • SSDEEP

    12288:EMrDy90A+3pyTjHgLzGd/JlZiSSCJ4tzWI8zMJeRqT042ckXQtxuE9tmRS1sCZkP:fy1gfk/JlDnI8zMIY0tXQtxuE9t+AW

Malware Config

Extracted

Family

redline

Botnet

masa

C2

83.97.73.126:19048

Attributes
  • auth_value

    9f945269efb5978b14b0bdd13ea1f115

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
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • 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 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\152e377e630a9f676dde3ef11d41884af99726af69af12e0385348ad972b3970.exe
    "C:\Users\Admin\AppData\Local\Temp\152e377e630a9f676dde3ef11d41884af99726af69af12e0385348ad972b3970.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4764
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9326665.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9326665.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2180
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2040264.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2040264.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1092
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7336512.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7336512.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2004
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a9882693.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a9882693.exe
            5⤵
            • Modifies Windows Defender Real-time Protection settings
            • Executes dropped EXE
            • Windows security modification
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1264
          • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0590108.exe
            C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0590108.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:1664
            • 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:2612
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 152
              6⤵
              • Program crash
              PID:676
        • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8013605.exe
          C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8013605.exe
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4220
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1664 -ip 1664
    1⤵
      PID:1528

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9326665.exe

      Filesize

      576KB

      MD5

      0eb16eec27b5ee6b4ef64ff2b9cd3750

      SHA1

      a6260afb7fb28b356371b0e56fdf5b35cdec6099

      SHA256

      80250f7c610c8ae7c1a94c06b702b5affb6f668a85beeaa7273ba86bcfc06652

      SHA512

      189771a158d73645afff945215b7a2e1a7c7335eebc2a563986638c05c5fd0d613d4241ca4948f4a4bd09b909e8f1067a8dc5eede3c21b10f4ba2753cc0838e6

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\v9326665.exe

      Filesize

      576KB

      MD5

      0eb16eec27b5ee6b4ef64ff2b9cd3750

      SHA1

      a6260afb7fb28b356371b0e56fdf5b35cdec6099

      SHA256

      80250f7c610c8ae7c1a94c06b702b5affb6f668a85beeaa7273ba86bcfc06652

      SHA512

      189771a158d73645afff945215b7a2e1a7c7335eebc2a563986638c05c5fd0d613d4241ca4948f4a4bd09b909e8f1067a8dc5eede3c21b10f4ba2753cc0838e6

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2040264.exe

      Filesize

      351KB

      MD5

      bdcfef2ee21c6ff5b41ac31e0fffa9a6

      SHA1

      8aeb31414754c52798804c8e47b54e64a7be4a73

      SHA256

      1346219d470fecda9fe88b816f60d6e4dd94e00a255074804335de45b36d4307

      SHA512

      92dd87c3b13a8879c42c0ad76738d27d15cde925b0bd040be463148fc06ccd4875f2ed2ec4fa1cb35794d2d92de389c713a5f2c9edbf0ebbaf9bf876c50a9990

    • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\v2040264.exe

      Filesize

      351KB

      MD5

      bdcfef2ee21c6ff5b41ac31e0fffa9a6

      SHA1

      8aeb31414754c52798804c8e47b54e64a7be4a73

      SHA256

      1346219d470fecda9fe88b816f60d6e4dd94e00a255074804335de45b36d4307

      SHA512

      92dd87c3b13a8879c42c0ad76738d27d15cde925b0bd040be463148fc06ccd4875f2ed2ec4fa1cb35794d2d92de389c713a5f2c9edbf0ebbaf9bf876c50a9990

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8013605.exe

      Filesize

      172KB

      MD5

      49de81a59cdb3babc16e030a673b185d

      SHA1

      99788772f2fad3780ee8152db36a827dfa0e472f

      SHA256

      ec93523ffe38d955eb6b2947e4f414f3e3a22411c5497d9021fc138244b722e9

      SHA512

      35f0b4ce21ac4ebff6166c087fe183674963f6c0a96a9161a854e1756f28672befd16b2e6e814b8462428f87bf240bb740a40cb3fd41ed8a96dd90dd3c31ced0

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\c8013605.exe

      Filesize

      172KB

      MD5

      49de81a59cdb3babc16e030a673b185d

      SHA1

      99788772f2fad3780ee8152db36a827dfa0e472f

      SHA256

      ec93523ffe38d955eb6b2947e4f414f3e3a22411c5497d9021fc138244b722e9

      SHA512

      35f0b4ce21ac4ebff6166c087fe183674963f6c0a96a9161a854e1756f28672befd16b2e6e814b8462428f87bf240bb740a40cb3fd41ed8a96dd90dd3c31ced0

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7336512.exe

      Filesize

      196KB

      MD5

      c479dfdd44e35d9d33d1195f4adf2fde

      SHA1

      914879d9bbeb0df8d5bdfec74d89f0432a9a70f3

      SHA256

      11cac9de2abb3ff745ba406ccd0cb80c452899e849c2542d73813e84199ccfeb

      SHA512

      bd4f47f9302e093f821a46021354dcf569063e132feb43c6cead60eb7ceebe74e8f020c2b7bab1b9e494a2d17cce8483a8f421fcd55e0b9fabf2cc3fbb5e6455

    • C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\v7336512.exe

      Filesize

      196KB

      MD5

      c479dfdd44e35d9d33d1195f4adf2fde

      SHA1

      914879d9bbeb0df8d5bdfec74d89f0432a9a70f3

      SHA256

      11cac9de2abb3ff745ba406ccd0cb80c452899e849c2542d73813e84199ccfeb

      SHA512

      bd4f47f9302e093f821a46021354dcf569063e132feb43c6cead60eb7ceebe74e8f020c2b7bab1b9e494a2d17cce8483a8f421fcd55e0b9fabf2cc3fbb5e6455

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a9882693.exe

      Filesize

      11KB

      MD5

      d40c769953ee308a88d266bb661e3017

      SHA1

      2c05ea6cda81ee967f5e4213818ebcd2c5a0514e

      SHA256

      7e2a82148f949370bda9706a40b6a919fe8d7785d25851566d9b0c23d6b623bf

      SHA512

      27bded72309ac501a34baf4595f34c28e5a4b9f46f5fd01a37c2e4560a4a8b0186df897b913175d4ea7d86fc0c56619e382eea8540f3b7eff4b3860947574ed9

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\a9882693.exe

      Filesize

      11KB

      MD5

      d40c769953ee308a88d266bb661e3017

      SHA1

      2c05ea6cda81ee967f5e4213818ebcd2c5a0514e

      SHA256

      7e2a82148f949370bda9706a40b6a919fe8d7785d25851566d9b0c23d6b623bf

      SHA512

      27bded72309ac501a34baf4595f34c28e5a4b9f46f5fd01a37c2e4560a4a8b0186df897b913175d4ea7d86fc0c56619e382eea8540f3b7eff4b3860947574ed9

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0590108.exe

      Filesize

      101KB

      MD5

      b6ca9f9409c55c868e1060c6ed244045

      SHA1

      f1f65fac8fabda7f29fd839e7db40ad985b3db90

      SHA256

      fb4db023b3c81442fa2890b89f52bccaddcd9ed471e007769ce508b5858cb755

      SHA512

      a3602c9af5cc7abe2a4a7bbbc4ac88e387225f141202ce2c1e1bdd3c15bd5755e738571603f576e86c7572f27ad2b99ba30680d4594bfb6971d4fe4bce9e9cfb

    • C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\b0590108.exe

      Filesize

      101KB

      MD5

      b6ca9f9409c55c868e1060c6ed244045

      SHA1

      f1f65fac8fabda7f29fd839e7db40ad985b3db90

      SHA256

      fb4db023b3c81442fa2890b89f52bccaddcd9ed471e007769ce508b5858cb755

      SHA512

      a3602c9af5cc7abe2a4a7bbbc4ac88e387225f141202ce2c1e1bdd3c15bd5755e738571603f576e86c7572f27ad2b99ba30680d4594bfb6971d4fe4bce9e9cfb

    • memory/1264-161-0x0000000000C30000-0x0000000000C3A000-memory.dmp

      Filesize

      40KB

    • memory/2612-167-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/4220-175-0x0000000000210000-0x0000000000240000-memory.dmp

      Filesize

      192KB

    • memory/4220-176-0x0000000005290000-0x00000000058A8000-memory.dmp

      Filesize

      6.1MB

    • memory/4220-177-0x0000000004D80000-0x0000000004E8A000-memory.dmp

      Filesize

      1.0MB

    • memory/4220-178-0x0000000004CB0000-0x0000000004CC2000-memory.dmp

      Filesize

      72KB

    • memory/4220-179-0x0000000004D10000-0x0000000004D4C000-memory.dmp

      Filesize

      240KB

    • memory/4220-180-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/4220-181-0x0000000005020000-0x0000000005096000-memory.dmp

      Filesize

      472KB

    • memory/4220-182-0x0000000005140000-0x00000000051D2000-memory.dmp

      Filesize

      584KB

    • memory/4220-183-0x0000000006250000-0x00000000067F4000-memory.dmp

      Filesize

      5.6MB

    • memory/4220-184-0x00000000051E0000-0x0000000005246000-memory.dmp

      Filesize

      408KB

    • memory/4220-186-0x0000000006800000-0x00000000069C2000-memory.dmp

      Filesize

      1.8MB

    • memory/4220-187-0x0000000008420000-0x000000000894C000-memory.dmp

      Filesize

      5.2MB

    • memory/4220-188-0x0000000004B60000-0x0000000004B70000-memory.dmp

      Filesize

      64KB

    • memory/4220-189-0x0000000006100000-0x0000000006150000-memory.dmp

      Filesize

      320KB