Analysis

  • max time kernel
    77s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/03/2023, 03:02

General

  • Target

    31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe

  • Size

    659KB

  • MD5

    0f7f7c7afdc36ced1bfaf7863adde688

  • SHA1

    1906c65ac5ccb99a59609551aa157f064d8b57d7

  • SHA256

    31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5

  • SHA512

    5a1e9ac236d33abd2e172f74281fa4e594be730b5c7f491d7db2f969a4433a465851f699e5fe72dd5ee837698e5d4542c01d74ad70b1c321cc01def5e222b638

  • SSDEEP

    12288:nMrey90A/xxXV5iwyGdEsRXR8vqHw67jQZMx5dtFMy541:Byn/xtV5oJsVexMfHGy52

Malware Config

Extracted

Family

redline

Botnet

rosto

C2

hueref.eu:4162

Attributes
  • auth_value

    07d81eba8cad42bbd0ae60042d48eac6

Extracted

Family

redline

Botnet

foksa

C2

hueref.eu:4162

Attributes
  • auth_value

    6a9b2601a21672b285de3ed41b5402e4

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 19 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 2 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe
    "C:\Users\Admin\AppData\Local\Temp\31ea100e952a415add0c54df3b1bb36929bf9abe021bdf84b981664e12afb1d5.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1412
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:4968
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exe
        3⤵
        • Modifies Windows Defender Real-time Protection settings
        • Executes dropped EXE
        • Windows security modification
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4720 -s 1080
          4⤵
          • Program crash
          PID:1116
      • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exe
        C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2720
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2720 -s 1388
          4⤵
          • Program crash
          PID:4896
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2124
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4720 -ip 4720
    1⤵
      PID:424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2720 -ip 2720
      1⤵
        PID:4804

      Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exe

              Filesize

              175KB

              MD5

              75ced8ad0d8cd237ebc9cb7b00852651

              SHA1

              adab63df3e0a40fd9f170ab57da66f01f226141c

              SHA256

              a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819

              SHA512

              f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\xuLG21eK52.exe

              Filesize

              175KB

              MD5

              75ced8ad0d8cd237ebc9cb7b00852651

              SHA1

              adab63df3e0a40fd9f170ab57da66f01f226141c

              SHA256

              a35a264162c124ffd066dd867ed96359131d37b243cb0445c1c9eba6a58de819

              SHA512

              f565a49b14671683a1e48cece82a437a79bf8bdb456a3c6f35fac020e5fef3cd666399208633b7d2da9407f7b334a311a416b0a969c8b62ff28e15e7d4a0c431

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exe

              Filesize

              514KB

              MD5

              7a2d469ad0f3225134eaf260e9293f9a

              SHA1

              77bd9f9d307375ed8a8ad0540a6af8f80e7037ab

              SHA256

              7d9ebc5efd8ed7deecc6d244f2944b41f9716aa915e937a2042781fa951fb8e7

              SHA512

              adc127cc65d493ad1763cf5e7f624a6d777feb9a4c5e7620feb69022cb2b27de4da133739ddd6eb530f416d44fff0fd57913f554df216a8a5f8d324a2eca2692

            • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycyk97nd75.exe

              Filesize

              514KB

              MD5

              7a2d469ad0f3225134eaf260e9293f9a

              SHA1

              77bd9f9d307375ed8a8ad0540a6af8f80e7037ab

              SHA256

              7d9ebc5efd8ed7deecc6d244f2944b41f9716aa915e937a2042781fa951fb8e7

              SHA512

              adc127cc65d493ad1763cf5e7f624a6d777feb9a4c5e7620feb69022cb2b27de4da133739ddd6eb530f416d44fff0fd57913f554df216a8a5f8d324a2eca2692

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exe

              Filesize

              232KB

              MD5

              654d38a192aa90f8f2d4c64647ed64d1

              SHA1

              366c844b2fc2b4c0b0191754d4a1470e1763ccb4

              SHA256

              93f2d867562d5187beac7b8d7a55a8f435b7bbab77152b0c7bb3f8c22c2d23a2

              SHA512

              9ce88068e0e4cfac55467fbccc2621bbe431353bf4faf6a0957a6ae38f083023fbd130abb423e35f344e4d3952aed8470eba47c3ab71ff7ec61ff5a79aa80303

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\urLG21fF51.exe

              Filesize

              232KB

              MD5

              654d38a192aa90f8f2d4c64647ed64d1

              SHA1

              366c844b2fc2b4c0b0191754d4a1470e1763ccb4

              SHA256

              93f2d867562d5187beac7b8d7a55a8f435b7bbab77152b0c7bb3f8c22c2d23a2

              SHA512

              9ce88068e0e4cfac55467fbccc2621bbe431353bf4faf6a0957a6ae38f083023fbd130abb423e35f344e4d3952aed8470eba47c3ab71ff7ec61ff5a79aa80303

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exe

              Filesize

              289KB

              MD5

              1c795044102f7759152f7661b15c22bf

              SHA1

              66e3fee6ce5c4fd8974bb493b8ea7f63f0de4224

              SHA256

              8f76de3f10a19e704eaaa544d8b0aea616b3b55e5e9d4f91afed3db0c60714a4

              SHA512

              8c6313c1b71200f905a41b131ebb5a54f4057dd14fe062565674b4d86ebdb8ca2faf8655c970bb3ba279d34ea761c0d71d81c94f3fc9cec7dd2c49737b7653a1

            • C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wrgz69Rr38.exe

              Filesize

              289KB

              MD5

              1c795044102f7759152f7661b15c22bf

              SHA1

              66e3fee6ce5c4fd8974bb493b8ea7f63f0de4224

              SHA256

              8f76de3f10a19e704eaaa544d8b0aea616b3b55e5e9d4f91afed3db0c60714a4

              SHA512

              8c6313c1b71200f905a41b131ebb5a54f4057dd14fe062565674b4d86ebdb8ca2faf8655c970bb3ba279d34ea761c0d71d81c94f3fc9cec7dd2c49737b7653a1

            • memory/2124-1121-0x00000000048E0000-0x00000000048F0000-memory.dmp

              Filesize

              64KB

            • memory/2124-1120-0x0000000000060000-0x0000000000092000-memory.dmp

              Filesize

              200KB

            • memory/2720-1099-0x0000000005190000-0x00000000057A8000-memory.dmp

              Filesize

              6.1MB

            • memory/2720-1101-0x0000000005970000-0x0000000005982000-memory.dmp

              Filesize

              72KB

            • memory/2720-1114-0x0000000006F60000-0x0000000006FB0000-memory.dmp

              Filesize

              320KB

            • memory/2720-1113-0x0000000006ED0000-0x0000000006F46000-memory.dmp

              Filesize

              472KB

            • memory/2720-1112-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-1111-0x0000000006870000-0x0000000006D9C000-memory.dmp

              Filesize

              5.2MB

            • memory/2720-1110-0x00000000066A0000-0x0000000006862000-memory.dmp

              Filesize

              1.8MB

            • memory/2720-1109-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-1108-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-1107-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-1106-0x0000000006360000-0x00000000063F2000-memory.dmp

              Filesize

              584KB

            • memory/2720-1104-0x0000000005C90000-0x0000000005CF6000-memory.dmp

              Filesize

              408KB

            • memory/2720-1103-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-1102-0x0000000005990000-0x00000000059CC000-memory.dmp

              Filesize

              240KB

            • memory/2720-1100-0x0000000005830000-0x000000000593A000-memory.dmp

              Filesize

              1.0MB

            • memory/2720-543-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-541-0x00000000024D0000-0x00000000024E0000-memory.dmp

              Filesize

              64KB

            • memory/2720-539-0x0000000001F10000-0x0000000001F5B000-memory.dmp

              Filesize

              300KB

            • memory/2720-223-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-221-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-191-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-193-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-190-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-195-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-197-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-199-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-201-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-203-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-205-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-207-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-209-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-211-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-213-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-215-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-217-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/2720-219-0x00000000050F0000-0x000000000512E000-memory.dmp

              Filesize

              248KB

            • memory/4720-176-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-182-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

              Filesize

              64KB

            • memory/4720-185-0x0000000000400000-0x000000000057E000-memory.dmp

              Filesize

              1.5MB

            • memory/4720-184-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

              Filesize

              64KB

            • memory/4720-183-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

              Filesize

              64KB

            • memory/4720-152-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-177-0x0000000000650000-0x000000000067D000-memory.dmp

              Filesize

              180KB

            • memory/4720-160-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-180-0x0000000000400000-0x000000000057E000-memory.dmp

              Filesize

              1.5MB

            • memory/4720-179-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

              Filesize

              64KB

            • memory/4720-158-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-178-0x0000000004BA0000-0x0000000004BB0000-memory.dmp

              Filesize

              64KB

            • memory/4720-168-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-174-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-172-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-170-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-156-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-166-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-164-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-162-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-154-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-150-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-149-0x0000000002690000-0x00000000026A2000-memory.dmp

              Filesize

              72KB

            • memory/4720-148-0x0000000004BB0000-0x0000000005154000-memory.dmp

              Filesize

              5.6MB