Analysis

  • max time kernel
    150s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/12/2022, 21:28

General

  • Target
    d769e9b86721acecef2b65647405415b.exe
  • Size 224KB
  • Sample221228-1bbgvaeg2z
  • SHA256 b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • redline

Botnet
  • installs

C2
  • 77.73.134.57:20368

Attributes
  • auth_value

    018d84fd84774560e4827f12acc7d4af

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 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 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 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d769e9b86721acecef2b65647405415b.exe
    "C:\Users\Admin\AppData\Local\Temp\d769e9b86721acecef2b65647405415b.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3856
  • C:\Users\Admin\AppData\Local\Temp\B89.exe
    C:\Users\Admin\AppData\Local\Temp\B89.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3764
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3764 -s 240
      2⤵
      • Program crash
      PID:3436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3764 -ip 3764
    1⤵
      PID:3376
    • C:\Users\Admin\AppData\Local\Temp\1176.exe
      C:\Users\Admin\AppData\Local\Temp\1176.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3608
      • C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
        C:\Users\Admin\AppData\Local\Temp\1176.exe
        2⤵
          PID:3832
        • C:\Program Files (x86)\Common Files\microsoft shared\ink\pipanel.exe
          C:\Users\Admin\AppData\Local\Temp\1176.exe
          2⤵
          • Loads dropped DLL
          PID:4108
      • C:\Users\Admin\AppData\Local\Temp\16E5.exe
        C:\Users\Admin\AppData\Local\Temp\16E5.exe
        1⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:396
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:5028
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:1852
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              2⤵
                PID:996
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
                2⤵
                  PID:2072
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1420
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1932
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:5096
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:2240
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:3416
                        • C:\Windows\SysWOW64\explorer.exe
                          C:\Windows\SysWOW64\explorer.exe
                          1⤵
                            PID:2864
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:3804
                            • C:\Windows\explorer.exe
                              C:\Windows\explorer.exe
                              1⤵
                                PID:3412
                              • C:\Windows\SysWOW64\explorer.exe
                                C:\Windows\SysWOW64\explorer.exe
                                1⤵
                                  PID:1720
                                • C:\Users\Admin\AppData\Roaming\ucsjhuh
                                  C:\Users\Admin\AppData\Roaming\ucsjhuh
                                  1⤵
                                  • Executes dropped EXE
                                  • Checks SCSI registry key(s)
                                  • Suspicious behavior: MapViewOfSection
                                  PID:1524

                                Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

                                      Loading Replay Monitor...

                                      Downloads

                                      mozglue.dll

                                      • Path C:\Users\Admin\AppData\LocalLow\mozglue.dll
                                      • Size 612KB
                                      • SHA256 4191faf7e5eb105a0f4c5c6ed3e9e9c71014e8aa39bbee313bc92d1411e9e862
                                      • MD5 SHA1 SHA512 SSDEEP

                                      nss3.dll

                                      • Path C:\Users\Admin\AppData\LocalLow\nss3.dll
                                      • Size 1.9MB
                                      • SHA256 c65b7afb05ee2b2687e6280594019068c3d3829182dfe8604ce4adf2116cc46e
                                      • MD5 SHA1 SHA512 SSDEEP

                                      sqlite3.dll

                                      • Path C:\Users\Admin\AppData\LocalLow\sqlite3.dll
                                      • Size 1.0MB
                                      • SHA256 47b64311719000fa8c432165a0fdcdfed735d5b54977b052de915b1cbbbf9d68
                                      • MD5 SHA1 SHA512 SSDEEP

                                      1176.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\1176.exe
                                      • Size 2.7MB
                                      • SHA256 493720da6f498098a54ae36cc97c04ec96880444030324bd043b66233899b8fe
                                      • MD5 SHA1 SHA512 SSDEEP

                                      1176.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\1176.exe
                                      • Size 2.7MB
                                      • SHA256 493720da6f498098a54ae36cc97c04ec96880444030324bd043b66233899b8fe
                                      • MD5 SHA1 SHA512 SSDEEP

                                      16E5.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\16E5.exe
                                      • Size 67KB
                                      • SHA256 7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157
                                      • MD5 SHA1 SHA512 SSDEEP

                                      16E5.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\16E5.exe
                                      • Size 67KB
                                      • SHA256 7fddf1b75f50d43214867f367223f2d241d62ae63deea334d051c0ee19d18157
                                      • MD5 SHA1 SHA512 SSDEEP

                                      B89.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\B89.exe
                                      • Size 299KB
                                      • SHA256 5a83268b4310b64a536daa8aa0e84bfc225d3a4f5914310daa65027ac821be72
                                      • MD5 SHA1 SHA512 SSDEEP

                                      B89.exe

                                      • Path C:\Users\Admin\AppData\Local\Temp\B89.exe
                                      • Size 299KB
                                      • SHA256 5a83268b4310b64a536daa8aa0e84bfc225d3a4f5914310daa65027ac821be72
                                      • MD5 SHA1 SHA512 SSDEEP

                                      ucsjhuh

                                      • Path C:\Users\Admin\AppData\Roaming\ucsjhuh
                                      • Size 224KB
                                      • SHA256 b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185
                                      • MD5 SHA1 SHA512 SSDEEP

                                      ucsjhuh

                                      • Path C:\Users\Admin\AppData\Roaming\ucsjhuh
                                      • Size 224KB
                                      • SHA256 b40cf8e538f2c6e214fd1393f9fc5d556a91e6e49d7fc3a855e10b29c69fb185
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/396-157-0x0000000004D80000-0x0000000004DE6000-memory.dmp

                                      memory/396-155-0x0000000000570000-0x0000000000586000-memory.dmp

                                      memory/1420-206-0x0000000000D30000-0x0000000000D37000-memory.dmp

                                      memory/1420-165-0x0000000000D30000-0x0000000000D37000-memory.dmp

                                      memory/1420-166-0x0000000000D20000-0x0000000000D2B000-memory.dmp

                                      memory/1524-217-0x0000000000709000-0x000000000071A000-memory.dmp

                                      memory/1524-218-0x0000000000400000-0x000000000045B000-memory.dmp

                                      memory/1524-219-0x0000000000400000-0x000000000045B000-memory.dmp

                                      memory/1720-205-0x0000000000AC0000-0x0000000000ACB000-memory.dmp

                                      memory/1720-214-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

                                      memory/1720-204-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

                                      memory/1932-207-0x00000000003D0000-0x00000000003D9000-memory.dmp

                                      memory/1932-170-0x00000000003D0000-0x00000000003D9000-memory.dmp

                                      memory/1932-171-0x00000000003C0000-0x00000000003CF000-memory.dmp

                                      memory/2240-209-0x00000000005F0000-0x00000000005F6000-memory.dmp

                                      memory/2240-185-0x00000000005F0000-0x00000000005F6000-memory.dmp

                                      memory/2240-186-0x00000000005E0000-0x00000000005EC000-memory.dmp

                                      memory/2844-178-0x0000000006BC0000-0x00000000070EC000-memory.dmp

                                      memory/2844-149-0x0000000004B50000-0x0000000004B62000-memory.dmp

                                      memory/2844-169-0x0000000004F30000-0x0000000004FC2000-memory.dmp

                                      memory/2844-168-0x0000000005D40000-0x00000000062E4000-memory.dmp

                                      memory/2844-177-0x00000000064C0000-0x0000000006682000-memory.dmp

                                      memory/2844-140-0x0000000000390000-0x00000000003C8000-memory.dmp

                                      memory/2844-148-0x0000000005170000-0x0000000005788000-memory.dmp

                                      memory/2844-150-0x0000000004C80000-0x0000000004D8A000-memory.dmp

                                      memory/2844-151-0x0000000004BB0000-0x0000000004BEC000-memory.dmp

                                      memory/2844-198-0x0000000006690000-0x00000000066AE000-memory.dmp

                                      memory/2844-195-0x0000000006A70000-0x0000000006AE6000-memory.dmp

                                      memory/2844-194-0x0000000006450000-0x00000000064A0000-memory.dmp

                                      memory/2864-191-0x0000000000F00000-0x0000000000F05000-memory.dmp

                                      memory/2864-192-0x0000000000EF0000-0x0000000000EF9000-memory.dmp

                                      memory/2864-211-0x0000000000F00000-0x0000000000F05000-memory.dmp

                                      memory/3412-213-0x00000000005D0000-0x00000000005D7000-memory.dmp

                                      memory/3412-201-0x00000000005C0000-0x00000000005CD000-memory.dmp

                                      memory/3412-200-0x00000000005D0000-0x00000000005D7000-memory.dmp

                                      memory/3416-189-0x0000000001090000-0x00000000010B7000-memory.dmp

                                      memory/3416-188-0x00000000010C0000-0x00000000010E2000-memory.dmp

                                      memory/3416-210-0x00000000010C0000-0x00000000010E2000-memory.dmp

                                      memory/3608-156-0x00000000008D0000-0x000000000094B000-memory.dmp

                                      memory/3608-164-0x0000000002B40000-0x0000000002CE3000-memory.dmp

                                      memory/3608-163-0x00000000008D0000-0x000000000094B000-memory.dmp

                                      memory/3804-197-0x00000000012F0000-0x00000000012FB000-memory.dmp

                                      memory/3804-196-0x0000000001300000-0x0000000001306000-memory.dmp

                                      memory/3804-212-0x0000000001300000-0x0000000001306000-memory.dmp

                                      memory/3856-133-0x0000000000510000-0x0000000000519000-memory.dmp

                                      memory/3856-134-0x0000000000400000-0x000000000045B000-memory.dmp

                                      memory/3856-135-0x0000000000400000-0x000000000045B000-memory.dmp

                                      memory/3856-132-0x0000000000538000-0x0000000000549000-memory.dmp

                                      memory/4108-203-0x0000000000400000-0x000000000041E000-memory.dmp

                                      memory/4108-161-0x0000000000400000-0x000000000041E000-memory.dmp

                                      memory/4108-162-0x0000000000400000-0x000000000041E000-memory.dmp

                                      memory/5096-208-0x0000000000EC0000-0x0000000000EC5000-memory.dmp

                                      memory/5096-179-0x0000000000EC0000-0x0000000000EC5000-memory.dmp

                                      memory/5096-180-0x0000000000EB0000-0x0000000000EB9000-memory.dmp