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Analysis

  • max time kernel
    120s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/03/2023, 20:36

General

  • Target

    a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe

  • Size

    385KB

  • MD5

    94c9a0e45e548e3ede918ae4b347b854

  • SHA1

    36688ce0388208a2ff3485b1fc0473003582edd4

  • SHA256

    a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4

  • SHA512

    b002550bbb0217ddcf9b62ddce1b6f4a5fd75534f4ee3fe095297045dc022b6ec22022d20a34527fda31ad1b9ded75c531e8063564d5dd35fb83f6df61709cc1

  • SSDEEP

    6144:Kuy+bnr+Jp0yN90QEP008vMO+A8zJ6pqyJ4R5fQUIp5nVZRmLnLriillu:+MrBy90yT+A8zJC7J4RK3ppVKLdlu

Malware Config

Extracted

Family

redline

Botnet

mango

C2

193.233.20.28:4125

Attributes
  • auth_value

    ecf79d7f5227d998a3501c972d915d23

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 33 IoCs
  • Executes dropped EXE 2 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 2 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe
    "C:\Users\Admin\AppData\Local\Temp\a87f16bb5db9f40fedb3a9147aefef3db154d2b63e4fb9a9d63e965009b916f4.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exe
      2⤵
      • Modifies Windows Defender Real-time Protection settings
      • Executes dropped EXE
      • Windows security modification
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:560
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1200
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 980
        3⤵
        • Program crash
        PID:2840
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1200 -ip 1200
    1⤵
      PID:5096

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\s7196Rb.exe

      Filesize

      11KB

      MD5

      7e93bacbbc33e6652e147e7fe07572a0

      SHA1

      421a7167da01c8da4dc4d5234ca3dd84e319e762

      SHA256

      850cd190aaeebcf1505674d97f51756f325e650320eaf76785d954223a9bee38

      SHA512

      250169d7b6fcebff400be89edae8340f14130ced70c340ba9da9f225f62b52b35f6645bfb510962efb866f988688cb42392561d3e6b72194bc89d310ea43aa91

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exe

      Filesize

      307KB

      MD5

      b38442ac9576002c1a86151bb7ff6314

      SHA1

      c23eb6fd9e5ad95b0617e47636e4cccf1d50c199

      SHA256

      d5388c7c2b3d1d1f78bf05fa921d08da77dbd95bda870dd6586ef454f1baf057

      SHA512

      04ec82e5f89dbebaf334979871810f97ace765dba1f8a903abd4de177f38e421163b0fef119af1506f74b5634a32bf869873e611c8f5a0eef3af5cf1c0f281fe

    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\t82eB31.exe

      Filesize

      307KB

      MD5

      b38442ac9576002c1a86151bb7ff6314

      SHA1

      c23eb6fd9e5ad95b0617e47636e4cccf1d50c199

      SHA256

      d5388c7c2b3d1d1f78bf05fa921d08da77dbd95bda870dd6586ef454f1baf057

      SHA512

      04ec82e5f89dbebaf334979871810f97ace765dba1f8a903abd4de177f38e421163b0fef119af1506f74b5634a32bf869873e611c8f5a0eef3af5cf1c0f281fe

    • memory/560-140-0x0000000000130000-0x000000000013A000-memory.dmp

      Filesize

      40KB

    • memory/1200-146-0x0000000004A60000-0x0000000005004000-memory.dmp

      Filesize

      5.6MB

    • memory/1200-147-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-148-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-150-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-152-0x00000000006D0000-0x000000000071B000-memory.dmp

      Filesize

      300KB

    • memory/1200-154-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-153-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-157-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-156-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-158-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-160-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-162-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-164-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-166-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-168-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-170-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-172-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-174-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-176-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-178-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-180-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-182-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-184-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-186-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-188-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-190-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-192-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-194-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-196-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-198-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-200-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-202-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-204-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-206-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-208-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-210-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-212-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-214-0x0000000005010000-0x000000000504E000-memory.dmp

      Filesize

      248KB

    • memory/1200-1057-0x0000000005070000-0x0000000005688000-memory.dmp

      Filesize

      6.1MB

    • memory/1200-1058-0x0000000005710000-0x000000000581A000-memory.dmp

      Filesize

      1.0MB

    • memory/1200-1059-0x0000000005850000-0x0000000005862000-memory.dmp

      Filesize

      72KB

    • memory/1200-1060-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-1061-0x0000000005870000-0x00000000058AC000-memory.dmp

      Filesize

      240KB

    • memory/1200-1063-0x0000000005B60000-0x0000000005BF2000-memory.dmp

      Filesize

      584KB

    • memory/1200-1064-0x0000000005C00000-0x0000000005C66000-memory.dmp

      Filesize

      408KB

    • memory/1200-1065-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-1066-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-1067-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-1068-0x0000000006560000-0x0000000006722000-memory.dmp

      Filesize

      1.8MB

    • memory/1200-1069-0x0000000006740000-0x0000000006C6C000-memory.dmp

      Filesize

      5.2MB

    • memory/1200-1070-0x00000000026E0000-0x00000000026F0000-memory.dmp

      Filesize

      64KB

    • memory/1200-1071-0x0000000006F90000-0x0000000007006000-memory.dmp

      Filesize

      472KB

    • memory/1200-1072-0x0000000007030000-0x0000000007080000-memory.dmp

      Filesize

      320KB