Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 11:59

General

  • Target

    7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8.exe

  • Size

    378KB

  • MD5

    8b9827570321a0758ed35c59c0f23d76

  • SHA1

    b9f0c0070b0502f0e532c5d336179b0622911448

  • SHA256

    7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8

  • SHA512

    0cff9065057c6bb545f89a8d761fd5a59a30964189693051202df725b341745a5bc6ab6f3d6c343e6205f4dc2f3d36ed6fefbdc523faf44c1329284382a1d61c

  • SSDEEP

    6144:XV1yABL34ml/b2chs5prNl99wAnF2yigD10P0cBlwPMk:Xby8j4ml/ScuhJF2yzD1Y04l

Malware Config

Extracted

Family

redline

Botnet

YT

C2

65.21.5.58:48811

Attributes
  • auth_value

    fb878dde7f3b4ad1e1bc26d24db36d28

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.

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Themida packer 4 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 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 16 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8.exe
    "C:\Users\Admin\AppData\Local\Temp\7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3256
  • C:\Users\Admin\AppData\Local\Temp\1F7E.exe
    C:\Users\Admin\AppData\Local\Temp\1F7E.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3152
  • C:\Users\Admin\AppData\Local\Temp\20F6.exe
    C:\Users\Admin\AppData\Local\Temp\20F6.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4340
    • 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:1656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4340 -s 516
      2⤵
      • Program crash
      PID:1640
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:4068
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:4948
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2960
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2052
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:1144
            • C:\Windows\SysWOW64\explorer.exe
              C:\Windows\SysWOW64\explorer.exe
              1⤵
                PID:4820
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:4112
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3540
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:5052
                    • C:\Users\Admin\AppData\Roaming\auwfawb
                      C:\Users\Admin\AppData\Roaming\auwfawb
                      1⤵
                      • Executes dropped EXE
                      • Checks SCSI registry key(s)
                      • Suspicious behavior: MapViewOfSection
                      PID:1352
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4340 -ip 4340
                      1⤵
                        PID:4640

                      Network

                      MITRE ATT&CK Matrix ATT&CK v6

                      Execution

                      Scripting

                      1
                      T1064

                      Defense Evasion

                      Virtualization/Sandbox Evasion

                      1
                      T1497

                      Scripting

                      1
                      T1064

                      Credential Access

                      Credentials in Files

                      1
                      T1081

                      Discovery

                      Query Registry

                      3
                      T1012

                      Virtualization/Sandbox Evasion

                      1
                      T1497

                      System Information Discovery

                      3
                      T1082

                      Peripheral Device Discovery

                      1
                      T1120

                      Collection

                      Data from Local System

                      1
                      T1005

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Temp\1F7E.exe
                        Filesize

                        1.5MB

                        MD5

                        d1964c1b30d01262eccaee06c600d726

                        SHA1

                        e213ef1a963cc1825b9183742bb2af555da72efe

                        SHA256

                        06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99

                        SHA512

                        02d5f5d71ef785dbc9a2c7bf960d60a19a7eeba3ae8227442c21ba153fc2443e0d1e5ec8319e70a55defcb1057f43d4f41602ba2089a64615dc3aaa8569d47a5

                      • C:\Users\Admin\AppData\Local\Temp\1F7E.exe
                        Filesize

                        1.5MB

                        MD5

                        d1964c1b30d01262eccaee06c600d726

                        SHA1

                        e213ef1a963cc1825b9183742bb2af555da72efe

                        SHA256

                        06ece311c226daf62863e5791def4efee02dacfeacc6b7635095d0a63b715a99

                        SHA512

                        02d5f5d71ef785dbc9a2c7bf960d60a19a7eeba3ae8227442c21ba153fc2443e0d1e5ec8319e70a55defcb1057f43d4f41602ba2089a64615dc3aaa8569d47a5

                      • C:\Users\Admin\AppData\Local\Temp\20F6.exe
                        Filesize

                        510KB

                        MD5

                        2c7867a1749edef10274f3e34b047865

                        SHA1

                        c2009f052e54f3c788e1872e7ac6f4d5fea218f9

                        SHA256

                        8845215ed3299ff3381580ab3c1e1feb69d8c44361bc15d64b57a597147a74c7

                        SHA512

                        60b503650f7f4ca7d14cfa7dabc1cda68eee8f0e34800fb160f44b3af9135bf27b15c57e26f19301baa1eb4eb6a6191cfa70d8ca28361db71969f7c0c3435e68

                      • C:\Users\Admin\AppData\Local\Temp\20F6.exe
                        Filesize

                        510KB

                        MD5

                        2c7867a1749edef10274f3e34b047865

                        SHA1

                        c2009f052e54f3c788e1872e7ac6f4d5fea218f9

                        SHA256

                        8845215ed3299ff3381580ab3c1e1feb69d8c44361bc15d64b57a597147a74c7

                        SHA512

                        60b503650f7f4ca7d14cfa7dabc1cda68eee8f0e34800fb160f44b3af9135bf27b15c57e26f19301baa1eb4eb6a6191cfa70d8ca28361db71969f7c0c3435e68

                      • C:\Users\Admin\AppData\Roaming\auwfawb
                        Filesize

                        378KB

                        MD5

                        8b9827570321a0758ed35c59c0f23d76

                        SHA1

                        b9f0c0070b0502f0e532c5d336179b0622911448

                        SHA256

                        7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8

                        SHA512

                        0cff9065057c6bb545f89a8d761fd5a59a30964189693051202df725b341745a5bc6ab6f3d6c343e6205f4dc2f3d36ed6fefbdc523faf44c1329284382a1d61c

                      • C:\Users\Admin\AppData\Roaming\auwfawb
                        Filesize

                        378KB

                        MD5

                        8b9827570321a0758ed35c59c0f23d76

                        SHA1

                        b9f0c0070b0502f0e532c5d336179b0622911448

                        SHA256

                        7d8600d5b4bcd5e353b0eff070275d17beb110a12fcd518a1b99d13edf96e4f8

                        SHA512

                        0cff9065057c6bb545f89a8d761fd5a59a30964189693051202df725b341745a5bc6ab6f3d6c343e6205f4dc2f3d36ed6fefbdc523faf44c1329284382a1d61c

                      • memory/1144-160-0x0000000000B40000-0x0000000000B62000-memory.dmp
                        Filesize

                        136KB

                      • memory/1144-161-0x0000000000B10000-0x0000000000B37000-memory.dmp
                        Filesize

                        156KB

                      • memory/1144-159-0x0000000000000000-mapping.dmp
                      • memory/1144-189-0x0000000000B40000-0x0000000000B62000-memory.dmp
                        Filesize

                        136KB

                      • memory/1352-205-0x0000000000400000-0x0000000000464000-memory.dmp
                        Filesize

                        400KB

                      • memory/1352-193-0x0000000000400000-0x0000000000464000-memory.dmp
                        Filesize

                        400KB

                      • memory/1352-192-0x0000000000652000-0x0000000000668000-memory.dmp
                        Filesize

                        88KB

                      • memory/1656-197-0x0000000000400000-0x0000000000432000-memory.dmp
                        Filesize

                        200KB

                      • memory/1656-196-0x0000000000000000-mapping.dmp
                      • memory/2052-158-0x00000000006A0000-0x00000000006AC000-memory.dmp
                        Filesize

                        48KB

                      • memory/2052-156-0x0000000000000000-mapping.dmp
                      • memory/2052-188-0x00000000006B0000-0x00000000006B6000-memory.dmp
                        Filesize

                        24KB

                      • memory/2052-157-0x00000000006B0000-0x00000000006B6000-memory.dmp
                        Filesize

                        24KB

                      • memory/2960-187-0x0000000001600000-0x0000000001605000-memory.dmp
                        Filesize

                        20KB

                      • memory/2960-151-0x0000000000000000-mapping.dmp
                      • memory/2960-154-0x0000000001600000-0x0000000001605000-memory.dmp
                        Filesize

                        20KB

                      • memory/2960-155-0x0000000000FB0000-0x0000000000FB9000-memory.dmp
                        Filesize

                        36KB

                      • memory/3152-169-0x0000000000400000-0x000000000043A000-memory.dmp
                        Filesize

                        232KB

                      • memory/3152-206-0x0000000007E60000-0x0000000008022000-memory.dmp
                        Filesize

                        1.8MB

                      • memory/3152-207-0x0000000008560000-0x0000000008A8C000-memory.dmp
                        Filesize

                        5.2MB

                      • memory/3152-177-0x00000000056D0000-0x0000000005CE8000-memory.dmp
                        Filesize

                        6.1MB

                      • memory/3152-179-0x0000000005170000-0x0000000005182000-memory.dmp
                        Filesize

                        72KB

                      • memory/3152-190-0x00000000054E0000-0x0000000005546000-memory.dmp
                        Filesize

                        408KB

                      • memory/3152-180-0x00000000051D0000-0x000000000520C000-memory.dmp
                        Filesize

                        240KB

                      • memory/3152-178-0x0000000005240000-0x000000000534A000-memory.dmp
                        Filesize

                        1.0MB

                      • memory/3152-195-0x00000000066E0000-0x0000000006C84000-memory.dmp
                        Filesize

                        5.6MB

                      • memory/3152-194-0x0000000006090000-0x0000000006122000-memory.dmp
                        Filesize

                        584KB

                      • memory/3152-170-0x000000000041B576-mapping.dmp
                      • memory/3256-135-0x0000000000400000-0x0000000000464000-memory.dmp
                        Filesize

                        400KB

                      • memory/3256-134-0x0000000000400000-0x0000000000464000-memory.dmp
                        Filesize

                        400KB

                      • memory/3256-132-0x0000000000532000-0x0000000000547000-memory.dmp
                        Filesize

                        84KB

                      • memory/3256-133-0x0000000000030000-0x0000000000039000-memory.dmp
                        Filesize

                        36KB

                      • memory/3540-168-0x0000000000000000-mapping.dmp
                      • memory/3540-175-0x00000000012B0000-0x00000000012BD000-memory.dmp
                        Filesize

                        52KB

                      • memory/3540-203-0x00000000012C0000-0x00000000012C7000-memory.dmp
                        Filesize

                        28KB

                      • memory/3540-174-0x00000000012C0000-0x00000000012C7000-memory.dmp
                        Filesize

                        28KB

                      • memory/4032-146-0x00007FF9E6370000-0x00007FF9E6565000-memory.dmp
                        Filesize

                        2.0MB

                      • memory/4032-173-0x00007FF9E6370000-0x00007FF9E6565000-memory.dmp
                        Filesize

                        2.0MB

                      • memory/4032-172-0x00007FF9C6F20000-0x00007FF9C79E1000-memory.dmp
                        Filesize

                        10.8MB

                      • memory/4032-171-0x0000000000D30000-0x0000000001230000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/4032-147-0x00007FF9C6F20000-0x00007FF9C79E1000-memory.dmp
                        Filesize

                        10.8MB

                      • memory/4032-145-0x0000000000D30000-0x0000000001230000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/4032-139-0x0000000000D30000-0x0000000001230000-memory.dmp
                        Filesize

                        5.0MB

                      • memory/4032-136-0x0000000000000000-mapping.dmp
                      • memory/4068-152-0x0000000000850000-0x000000000085B000-memory.dmp
                        Filesize

                        44KB

                      • memory/4068-149-0x0000000000860000-0x0000000000867000-memory.dmp
                        Filesize

                        28KB

                      • memory/4068-142-0x0000000000000000-mapping.dmp
                      • memory/4068-184-0x0000000000860000-0x0000000000867000-memory.dmp
                        Filesize

                        28KB

                      • memory/4112-166-0x0000000000A40000-0x0000000000A46000-memory.dmp
                        Filesize

                        24KB

                      • memory/4112-167-0x0000000000A30000-0x0000000000A3B000-memory.dmp
                        Filesize

                        44KB

                      • memory/4112-165-0x0000000000000000-mapping.dmp
                      • memory/4112-202-0x0000000000A40000-0x0000000000A46000-memory.dmp
                        Filesize

                        24KB

                      • memory/4340-140-0x0000000000000000-mapping.dmp
                      • memory/4820-191-0x0000000000780000-0x0000000000785000-memory.dmp
                        Filesize

                        20KB

                      • memory/4820-164-0x0000000000770000-0x0000000000779000-memory.dmp
                        Filesize

                        36KB

                      • memory/4820-163-0x0000000000780000-0x0000000000785000-memory.dmp
                        Filesize

                        20KB

                      • memory/4820-162-0x0000000000000000-mapping.dmp
                      • memory/4948-148-0x0000000000000000-mapping.dmp
                      • memory/4948-150-0x0000000000D30000-0x0000000000D3F000-memory.dmp
                        Filesize

                        60KB

                      • memory/4948-186-0x0000000000D40000-0x0000000000D49000-memory.dmp
                        Filesize

                        36KB

                      • memory/4948-153-0x0000000000D40000-0x0000000000D49000-memory.dmp
                        Filesize

                        36KB

                      • memory/5052-176-0x0000000000000000-mapping.dmp
                      • memory/5052-204-0x0000000000C40000-0x0000000000C48000-memory.dmp
                        Filesize

                        32KB

                      • memory/5052-181-0x0000000000C40000-0x0000000000C48000-memory.dmp
                        Filesize

                        32KB

                      • memory/5052-182-0x0000000000C30000-0x0000000000C3B000-memory.dmp
                        Filesize

                        44KB