Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/01/2023, 14:36

General

  • Target
    1a3def9d727857f76b63bbfec1578da2.exe
  • Size 241KB
  • Sample230101-ryj8tsbh92
  • SHA256 27501e55e31ad207203ef37745df5d44d60514d6affe54ca3eda94060e7b0d6c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • @zallllis

C2
  • 45.15.157.136:7429

Attributes
  • auth_value

    819f274cbc0e7c8d89e811e4a9877964

Signatures

  • Detects Smokeloader packer 1 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Downloads MZ/PE file
  • 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.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 5 IoCs
  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a3def9d727857f76b63bbfec1578da2.exe
    "C:\Users\Admin\AppData\Local\Temp\1a3def9d727857f76b63bbfec1578da2.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:812
  • C:\Users\Admin\AppData\Local\Temp\D6AE.exe
    C:\Users\Admin\AppData\Local\Temp\D6AE.exe
    1⤵
    • Executes dropped EXE
    PID:2348
  • C:\Users\Admin\AppData\Local\Temp\DA49.exe
    C:\Users\Admin\AppData\Local\Temp\DA49.exe
    1⤵
    • Executes dropped EXE
    PID:1924
  • C:\Users\Admin\AppData\Local\Temp\DE41.exe
    C:\Users\Admin\AppData\Local\Temp\DE41.exe
    1⤵
    • Executes dropped EXE
    PID:3412
  • C:\Users\Admin\AppData\Local\Temp\E4BA.exe
    C:\Users\Admin\AppData\Local\Temp\E4BA.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:4624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4624 -s 1000
      2⤵
      • Program crash
      PID:4984
  • C:\Users\Admin\AppData\Local\Temp\E7D8.exe
    C:\Users\Admin\AppData\Local\Temp\E7D8.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2712 -s 1236
      2⤵
      • Program crash
      PID:5108
  • C:\Users\Admin\AppData\Local\Temp\EB25.exe
    C:\Users\Admin\AppData\Local\Temp\EB25.exe
    1⤵
    • Executes dropped EXE
    PID:380
  • C:\Users\Admin\AppData\Local\Temp\F0E3.exe
    C:\Users\Admin\AppData\Local\Temp\F0E3.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2928
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1488
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 236
      2⤵
      • Program crash
      PID:3960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 240
      2⤵
      • Program crash
      PID:1908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 280
      2⤵
      • Program crash
      PID:3592
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4884
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2104
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:4868
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3488
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1676
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:4140
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2928 -ip 2928
                1⤵
                  PID:3976
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2928 -ip 2928
                  1⤵
                    PID:2476
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1008
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2928 -ip 2928
                      1⤵
                        PID:1032
                      • C:\Windows\explorer.exe
                        C:\Windows\explorer.exe
                        1⤵
                          PID:1360
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2712 -ip 2712
                          1⤵
                            PID:1344
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:1556
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4624 -ip 4624
                              1⤵
                                PID:1272

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    D6AE.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\D6AE.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    D6AE.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\D6AE.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    DA49.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\DA49.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    DA49.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\DA49.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    DE41.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\DE41.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    DE41.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\DE41.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    E4BA.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\E4BA.exe
                                    • Size 391KB
                                    • SHA256 8a96b82fcd6dd526678e4cec01dae6ee403a033594822ab487ced1b571094be2
                                    • MD5 SHA1 SHA512 SSDEEP

                                    E4BA.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\E4BA.exe
                                    • Size 391KB
                                    • SHA256 8a96b82fcd6dd526678e4cec01dae6ee403a033594822ab487ced1b571094be2
                                    • MD5 SHA1 SHA512 SSDEEP

                                    E7D8.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\E7D8.exe
                                    • Size 393KB
                                    • SHA256 3f1091f18c6a3eb389e01f7548e70e073e9c4fa0c363458277e48315d06fcd10
                                    • MD5 SHA1 SHA512 SSDEEP

                                    E7D8.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\E7D8.exe
                                    • Size 393KB
                                    • SHA256 3f1091f18c6a3eb389e01f7548e70e073e9c4fa0c363458277e48315d06fcd10
                                    • MD5 SHA1 SHA512 SSDEEP

                                    EB25.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\EB25.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    EB25.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\EB25.exe
                                    • Size 4KB
                                    • SHA256 05bdd09d934144589f7b90ac4ef6e8d7743c35f551219d98bc7fc933f98a157b
                                    • MD5 SHA1 SHA512 SSDEEP

                                    F0E3.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\F0E3.exe
                                    • Size 277KB
                                    • SHA256 0243d888f8612b3f52fab2d600a5f55942723890238243d5d940763237dda0cb
                                    • MD5 SHA1 SHA512 SSDEEP

                                    F0E3.exe

                                    • Path C:\Users\Admin\AppData\Local\Temp\F0E3.exe
                                    • Size 277KB
                                    • SHA256 0243d888f8612b3f52fab2d600a5f55942723890238243d5d940763237dda0cb
                                    • MD5 SHA1 SHA512 SSDEEP

                                    memory/380-158-0x00007FFDCED70000-0x00007FFDCF831000-memory.dmp

                                    memory/812-135-0x0000000000400000-0x0000000000459000-memory.dmp

                                    memory/812-133-0x0000000000610000-0x0000000000619000-memory.dmp

                                    memory/812-134-0x0000000000400000-0x0000000000459000-memory.dmp

                                    memory/812-132-0x000000000067E000-0x000000000068E000-memory.dmp

                                    memory/1008-225-0x0000000001200000-0x0000000001206000-memory.dmp

                                    memory/1008-207-0x0000000001200000-0x0000000001206000-memory.dmp

                                    memory/1008-204-0x0000000000FF0000-0x0000000000FFB000-memory.dmp

                                    memory/1360-209-0x0000000000630000-0x000000000063D000-memory.dmp

                                    memory/1360-226-0x0000000000640000-0x0000000000647000-memory.dmp

                                    memory/1360-208-0x0000000000640000-0x0000000000647000-memory.dmp

                                    memory/1488-196-0x0000000001030000-0x0000000001062000-memory.dmp

                                    memory/1488-218-0x0000000006580000-0x00000000065D0000-memory.dmp

                                    memory/1556-227-0x0000000000B70000-0x0000000000B78000-memory.dmp

                                    memory/1556-212-0x0000000000B70000-0x0000000000B78000-memory.dmp

                                    memory/1556-213-0x0000000000B60000-0x0000000000B6B000-memory.dmp

                                    memory/1676-223-0x00000000010E0000-0x0000000001102000-memory.dmp

                                    memory/1676-194-0x00000000010B0000-0x00000000010D7000-memory.dmp

                                    memory/1676-193-0x00000000010E0000-0x0000000001102000-memory.dmp

                                    memory/1924-144-0x00007FFDCED70000-0x00007FFDCF831000-memory.dmp

                                    memory/2104-176-0x00000000003B0000-0x00000000003B9000-memory.dmp

                                    memory/2104-177-0x00000000003A0000-0x00000000003AF000-memory.dmp

                                    memory/2104-220-0x00000000003B0000-0x00000000003B9000-memory.dmp

                                    memory/2348-139-0x0000000000850000-0x0000000000858000-memory.dmp

                                    memory/2348-140-0x00007FFDCED70000-0x00007FFDCF831000-memory.dmp

                                    memory/2712-178-0x0000000004B60000-0x0000000004B9C000-memory.dmp

                                    memory/2712-170-0x0000000004BF0000-0x0000000005194000-memory.dmp

                                    memory/2712-217-0x0000000000400000-0x000000000047F000-memory.dmp

                                    memory/2712-183-0x0000000005B60000-0x0000000005BC6000-memory.dmp

                                    memory/2712-184-0x0000000006240000-0x00000000062D2000-memory.dmp

                                    memory/2712-185-0x00000000062E0000-0x0000000006356000-memory.dmp

                                    memory/2712-186-0x00000000063A0000-0x00000000063BE000-memory.dmp

                                    memory/2712-210-0x0000000006640000-0x0000000006B6C000-memory.dmp

                                    memory/2712-165-0x000000000086D000-0x00000000008A4000-memory.dmp

                                    memory/2712-167-0x00000000020C0000-0x0000000002119000-memory.dmp

                                    memory/2712-206-0x0000000006460000-0x0000000006622000-memory.dmp

                                    memory/2712-168-0x0000000000400000-0x000000000047F000-memory.dmp

                                    memory/2712-216-0x000000000086D000-0x00000000008A4000-memory.dmp

                                    memory/2712-172-0x00000000051A0000-0x00000000057B8000-memory.dmp

                                    memory/2712-174-0x00000000057C0000-0x00000000058CA000-memory.dmp

                                    memory/2712-173-0x0000000004B40000-0x0000000004B52000-memory.dmp

                                    memory/3412-148-0x00007FFDCED70000-0x00007FFDCF831000-memory.dmp

                                    memory/3488-222-0x0000000000800000-0x0000000000806000-memory.dmp

                                    memory/3488-188-0x00000000005F0000-0x00000000005FC000-memory.dmp

                                    memory/3488-187-0x0000000000800000-0x0000000000806000-memory.dmp

                                    memory/4140-202-0x00000000005F0000-0x00000000005F5000-memory.dmp

                                    memory/4140-203-0x00000000005E0000-0x00000000005E9000-memory.dmp

                                    memory/4140-224-0x00000000005F0000-0x00000000005F5000-memory.dmp

                                    memory/4624-215-0x0000000000400000-0x0000000000480000-memory.dmp

                                    memory/4624-214-0x00000000006C9000-0x00000000006F1000-memory.dmp

                                    memory/4624-163-0x0000000000600000-0x0000000000634000-memory.dmp

                                    memory/4624-164-0x0000000000400000-0x0000000000480000-memory.dmp

                                    memory/4624-161-0x00000000006C9000-0x00000000006F1000-memory.dmp

                                    memory/4624-189-0x00000000004C0000-0x00000000004DD000-memory.dmp

                                    memory/4624-191-0x0000000002690000-0x0000000003690000-memory.dmp

                                    memory/4868-180-0x0000000001070000-0x0000000001075000-memory.dmp

                                    memory/4868-181-0x0000000001060000-0x0000000001069000-memory.dmp

                                    memory/4868-221-0x0000000001070000-0x0000000001075000-memory.dmp

                                    memory/4884-219-0x0000000000AB0000-0x0000000000AB7000-memory.dmp

                                    memory/4884-175-0x0000000000AB0000-0x0000000000AB7000-memory.dmp

                                    memory/4884-169-0x0000000000AA0000-0x0000000000AAB000-memory.dmp