Analysis

  • max time kernel
    153s
  • max time network
    157s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16/08/2021, 09:12

General

  • Target
    2d62eb793b2649d519f14e3a9447089d.exe
  • Size 163KB
  • Sample210816-81bdmqdc2j
  • SHA256 f0bc49d224a52c749f5f68149765b6a1420598013d1bf7456a6ea46faa476aab
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://readinglistforjuly1.xyz/

  • http://readinglistforjuly2.xyz/

  • http://readinglistforjuly3.xyz/

  • http://readinglistforjuly4.xyz/

  • http://readinglistforjuly5.xyz/

  • http://readinglistforjuly6.xyz/

  • http://readinglistforjuly7.xyz/

  • http://readinglistforjuly8.xyz/

  • http://readinglistforjuly9.xyz/

  • http://readinglistforjuly10.xyz/

  • http://readinglistforjuly1.site/

  • http://readinglistforjuly2.site/

  • http://readinglistforjuly3.site/

  • http://readinglistforjuly4.site/

  • http://readinglistforjuly5.site/

  • http://readinglistforjuly6.site/

  • http://readinglistforjuly7.site/

  • http://readinglistforjuly8.site/

  • http://readinglistforjuly9.site/

  • http://readinglistforjuly10.site/

rc4.i32
rc4.i32

Extracted

Family
  • raccoon

Botnet
  • cd8dc1031358b1aec55cc6bc447df1018b068607

Attributes
  • url4cnc

    https://telete.in/jagressor_kz

rc4.plain
rc4.plain

Signatures

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Raccoon Stealer Payload 2 IoCs
  • RedLine

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

  • RedLine Payload 4 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 6 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Themida packer 6 IoCs

    Detects Themida, an advanced Windows software protection system.

  • 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.

  • Checks whether UAC is enabled 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Program crash 32 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2d62eb793b2649d519f14e3a9447089d.exe
    "C:\Users\Admin\AppData\Local\Temp\2d62eb793b2649d519f14e3a9447089d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4044
    • C:\Users\Admin\AppData\Local\Temp\2d62eb793b2649d519f14e3a9447089d.exe
      "C:\Users\Admin\AppData\Local\Temp\2d62eb793b2649d519f14e3a9447089d.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:2736
  • C:\Users\Admin\AppData\Roaming\uswajdu
    C:\Users\Admin\AppData\Roaming\uswajdu
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Users\Admin\AppData\Roaming\uswajdu
      C:\Users\Admin\AppData\Roaming\uswajdu
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1192
  • C:\Users\Admin\AppData\Local\Temp\6E3B.exe
    C:\Users\Admin\AppData\Local\Temp\6E3B.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:3564
  • C:\Users\Admin\AppData\Local\Temp\77F1.exe
    C:\Users\Admin\AppData\Local\Temp\77F1.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3192
  • C:\Users\Admin\AppData\Local\Temp\7FA3.exe
    C:\Users\Admin\AppData\Local\Temp\7FA3.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1876
  • C:\Users\Admin\AppData\Local\Temp\8457.exe
    C:\Users\Admin\AppData\Local\Temp\8457.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 732
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 744
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 748
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 892
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:512
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1184
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1192
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1304
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1384
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1492
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1916
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1152
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2312
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1420
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1396
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1276
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 824
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1300
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1324
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 824
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3148
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1348
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1252
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1396
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1164
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1264
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1452
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1344
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1268
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1196
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:424
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1180
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1284
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1324
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1716 -s 1456
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3720
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2268
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:1728
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:580
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:3612
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:2712
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:3744
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:2084
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:3704
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3144

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/580-166-0x0000000000920000-0x0000000000927000-memory.dmp

                          memory/580-167-0x0000000000910000-0x000000000091B000-memory.dmp

                          memory/1716-157-0x0000000000400000-0x0000000002D05000-memory.dmp

                          memory/1716-154-0x0000000004A20000-0x0000000004AB1000-memory.dmp

                          memory/1728-162-0x0000000000D60000-0x0000000000D67000-memory.dmp

                          memory/1728-164-0x0000000000D50000-0x0000000000D5C000-memory.dmp

                          memory/1876-151-0x0000000006030000-0x0000000006031000-memory.dmp

                          memory/1876-150-0x0000000077870000-0x00000000779FE000-memory.dmp

                          memory/1876-141-0x0000000000F90000-0x0000000000F91000-memory.dmp

                          memory/1876-155-0x00000000060C0000-0x00000000060C1000-memory.dmp

                          memory/2084-179-0x0000000003630000-0x0000000003634000-memory.dmp

                          memory/2084-180-0x0000000003620000-0x0000000003629000-memory.dmp

                          memory/2268-161-0x0000000003690000-0x0000000003704000-memory.dmp

                          memory/2268-163-0x0000000003620000-0x000000000368B000-memory.dmp

                          memory/2660-123-0x0000000002CC0000-0x0000000002D6E000-memory.dmp

                          memory/2712-172-0x0000000003630000-0x0000000003635000-memory.dmp

                          memory/2712-173-0x0000000003620000-0x0000000003629000-memory.dmp

                          memory/2736-115-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/3028-129-0x0000000001030000-0x0000000001046000-memory.dmp

                          memory/3028-117-0x0000000000F80000-0x0000000000F96000-memory.dmp

                          memory/3144-188-0x00000000006D0000-0x00000000006D5000-memory.dmp

                          memory/3144-189-0x00000000006C0000-0x00000000006C9000-memory.dmp

                          memory/3192-156-0x0000000003400000-0x0000000003401000-memory.dmp

                          memory/3192-181-0x0000000007240000-0x0000000007241000-memory.dmp

                          memory/3192-196-0x0000000007810000-0x0000000007811000-memory.dmp

                          memory/3192-195-0x0000000008370000-0x0000000008371000-memory.dmp

                          memory/3192-158-0x0000000005F00000-0x0000000005F01000-memory.dmp

                          memory/3192-194-0x0000000007710000-0x0000000007711000-memory.dmp

                          memory/3192-193-0x00000000075F0000-0x00000000075F1000-memory.dmp

                          memory/3192-146-0x0000000005D10000-0x0000000005D11000-memory.dmp

                          memory/3192-133-0x0000000077870000-0x00000000779FE000-memory.dmp

                          memory/3192-140-0x0000000005CB0000-0x0000000005CB1000-memory.dmp

                          memory/3192-139-0x0000000006280000-0x0000000006281000-memory.dmp

                          memory/3192-134-0x00000000008F0000-0x00000000008F1000-memory.dmp

                          memory/3192-184-0x00000000071D0000-0x00000000071D1000-memory.dmp

                          memory/3192-183-0x0000000007940000-0x0000000007941000-memory.dmp

                          memory/3612-169-0x0000000001290000-0x0000000001299000-memory.dmp

                          memory/3612-170-0x0000000001280000-0x000000000128F000-memory.dmp

                          memory/3704-185-0x0000000000FF0000-0x0000000000FF5000-memory.dmp

                          memory/3704-186-0x0000000000FE0000-0x0000000000FE9000-memory.dmp

                          memory/3744-176-0x00000000006B0000-0x00000000006B6000-memory.dmp

                          memory/3744-177-0x00000000006A0000-0x00000000006AC000-memory.dmp

                          memory/4044-114-0x0000000002F30000-0x0000000002F3A000-memory.dmp