Analysis

  • max time kernel
    157s
  • max time network
    158s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16/08/2021, 09:08

General

  • Target
    405ddfb635c6b65486f8b2498c2c761a.exe
  • Size 180KB
  • Sample210816-fle77rjc8e
  • SHA256 ce2fe316faac707fdef9aed79c1eb348f74a538fb5617ceea0a003b964c146e4
  • 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 4 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 1 IoCs
  • Program crash 32 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\405ddfb635c6b65486f8b2498c2c761a.exe
    "C:\Users\Admin\AppData\Local\Temp\405ddfb635c6b65486f8b2498c2c761a.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:528
    • C:\Users\Admin\AppData\Local\Temp\405ddfb635c6b65486f8b2498c2c761a.exe
      "C:\Users\Admin\AppData\Local\Temp\405ddfb635c6b65486f8b2498c2c761a.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:404
  • C:\Users\Admin\AppData\Local\Temp\79A5.exe
    C:\Users\Admin\AppData\Local\Temp\79A5.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetWindowsHookEx
    PID:208
  • C:\Users\Admin\AppData\Local\Temp\830D.exe
    C:\Users\Admin\AppData\Local\Temp\830D.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2532
  • C:\Users\Admin\AppData\Local\Temp\8EE5.exe
    C:\Users\Admin\AppData\Local\Temp\8EE5.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3468
  • C:\Users\Admin\AppData\Local\Temp\94C2.exe
    C:\Users\Admin\AppData\Local\Temp\94C2.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 744
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 844
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 872
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1188
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1196
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1356
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1408
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3192
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1308
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1324
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1432
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1216
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1428
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1300
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1428
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1236
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1368
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1336
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1280
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2144
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1440
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1216
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2212
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1284
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1328
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1284
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1208
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1308
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1260
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:928
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1140
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1240
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1348
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 1280
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3752
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2332
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3900
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:3260
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:4072
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:216
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:1248
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1020
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2448
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:1292

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/216-170-0x00000000028A0000-0x00000000028A9000-memory.dmp

                          memory/216-169-0x00000000028B0000-0x00000000028B5000-memory.dmp

                          memory/404-114-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/528-116-0x0000000002CC0000-0x0000000002D6E000-memory.dmp

                          memory/1020-176-0x0000000003200000-0x0000000003209000-memory.dmp

                          memory/1020-175-0x0000000003210000-0x0000000003214000-memory.dmp

                          memory/1248-172-0x00000000001E0000-0x00000000001E6000-memory.dmp

                          memory/1248-173-0x00000000001D0000-0x00000000001DC000-memory.dmp

                          memory/1292-182-0x0000000003010000-0x0000000003019000-memory.dmp

                          memory/1292-181-0x0000000003020000-0x0000000003025000-memory.dmp

                          memory/1964-117-0x0000000001300000-0x0000000001316000-memory.dmp

                          memory/2040-142-0x0000000002FA0000-0x0000000003031000-memory.dmp

                          memory/2040-145-0x0000000000400000-0x0000000002D05000-memory.dmp

                          memory/2332-143-0x0000000002EE0000-0x0000000002F54000-memory.dmp

                          memory/2332-144-0x0000000002E70000-0x0000000002EDB000-memory.dmp

                          memory/2448-179-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

                          memory/2448-178-0x0000000000CF0000-0x0000000000CF5000-memory.dmp

                          memory/2532-133-0x0000000005E20000-0x0000000005E21000-memory.dmp

                          memory/2532-185-0x0000000007680000-0x0000000007681000-memory.dmp

                          memory/2532-129-0x0000000006320000-0x0000000006321000-memory.dmp

                          memory/2532-159-0x0000000008170000-0x0000000008171000-memory.dmp

                          memory/2532-161-0x0000000007310000-0x0000000007311000-memory.dmp

                          memory/2532-130-0x0000000003A90000-0x0000000003A91000-memory.dmp

                          memory/2532-126-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

                          memory/2532-184-0x0000000007C70000-0x0000000007C71000-memory.dmp

                          memory/2532-131-0x0000000005C20000-0x0000000005C21000-memory.dmp

                          memory/2532-152-0x0000000007040000-0x0000000007041000-memory.dmp

                          memory/2532-128-0x0000000076F40000-0x00000000770CE000-memory.dmp

                          memory/2532-132-0x0000000005C60000-0x0000000005C61000-memory.dmp

                          memory/2532-134-0x0000000005D00000-0x0000000005D01000-memory.dmp

                          memory/2532-183-0x0000000007580000-0x0000000007581000-memory.dmp

                          memory/2532-154-0x0000000007740000-0x0000000007741000-memory.dmp

                          memory/3260-151-0x0000000002A90000-0x0000000002A9B000-memory.dmp

                          memory/3260-150-0x0000000002AA0000-0x0000000002AA7000-memory.dmp

                          memory/3468-166-0x0000000005D60000-0x0000000005D61000-memory.dmp

                          memory/3468-163-0x0000000076F40000-0x00000000770CE000-memory.dmp

                          memory/3468-155-0x0000000001320000-0x0000000001321000-memory.dmp

                          memory/3900-147-0x0000000000980000-0x0000000000987000-memory.dmp

                          memory/3900-148-0x0000000000970000-0x000000000097C000-memory.dmp

                          memory/4072-165-0x0000000000590000-0x000000000059F000-memory.dmp

                          memory/4072-164-0x00000000005A0000-0x00000000005A9000-memory.dmp