Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    16/08/2021, 09:09

General

  • Target
    46fe1b6dbda10d1a5d753fec69c8f47e.exe
  • Size 180KB
  • Sample210816-9ntwfls2hx
  • SHA256 1054705d0d7ac38687f44baf1c5840910c3e9886c2139706dee8eaceeb4a7621
  • 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 3 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 FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46fe1b6dbda10d1a5d753fec69c8f47e.exe
    "C:\Users\Admin\AppData\Local\Temp\46fe1b6dbda10d1a5d753fec69c8f47e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Local\Temp\46fe1b6dbda10d1a5d753fec69c8f47e.exe
      "C:\Users\Admin\AppData\Local\Temp\46fe1b6dbda10d1a5d753fec69c8f47e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1760
  • C:\Users\Admin\AppData\Local\Temp\B99.exe
    C:\Users\Admin\AppData\Local\Temp\B99.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3964
  • C:\Users\Admin\AppData\Local\Temp\13E7.exe
    C:\Users\Admin\AppData\Local\Temp\13E7.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3520
  • C:\Users\Admin\AppData\Local\Temp\19A5.exe
    C:\Users\Admin\AppData\Local\Temp\19A5.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:4068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 732
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 844
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 848
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 868
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1176
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1220
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1368
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1492
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1532
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1592
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1668
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1480
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1568
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1452
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1652
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2184
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1428
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2056
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1168
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1312
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1540
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1168
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1416
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1264
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1364
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1216
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1492
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1312
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1368
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1500
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1176
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1316
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1084
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1504
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4068 -s 1312
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3364
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:1256
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:2820
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:2808
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2460
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3892
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:3352
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:3868
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:2384
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:3948

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/1256-148-0x0000000002D70000-0x0000000002DE4000-memory.dmp

                          memory/1256-149-0x0000000002D00000-0x0000000002D6B000-memory.dmp

                          memory/1760-114-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/2384-175-0x0000000000410000-0x0000000000419000-memory.dmp

                          memory/2384-174-0x0000000000420000-0x0000000000425000-memory.dmp

                          memory/2460-162-0x00000000001D0000-0x00000000001DF000-memory.dmp

                          memory/2460-160-0x00000000001E0000-0x00000000001E9000-memory.dmp

                          memory/2492-117-0x0000000001310000-0x0000000001326000-memory.dmp

                          memory/2808-156-0x00000000027D0000-0x00000000027DB000-memory.dmp

                          memory/2808-154-0x00000000027E0000-0x00000000027E7000-memory.dmp

                          memory/2820-152-0x00000000006A0000-0x00000000006AC000-memory.dmp

                          memory/2820-151-0x00000000006B0000-0x00000000006B7000-memory.dmp

                          memory/3352-169-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

                          memory/3352-168-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

                          memory/3520-144-0x00000000058B0000-0x00000000058B1000-memory.dmp

                          memory/3520-135-0x0000000077120000-0x00000000772AE000-memory.dmp

                          memory/3520-133-0x0000000001010000-0x0000000001011000-memory.dmp

                          memory/3868-172-0x0000000002790000-0x0000000002799000-memory.dmp

                          memory/3868-171-0x00000000027A0000-0x00000000027A4000-memory.dmp

                          memory/3892-165-0x0000000003050000-0x0000000003055000-memory.dmp

                          memory/3892-167-0x0000000003040000-0x0000000003049000-memory.dmp

                          memory/3948-180-0x0000000002D60000-0x0000000002D65000-memory.dmp

                          memory/3948-181-0x0000000002D50000-0x0000000002D59000-memory.dmp

                          memory/3964-132-0x0000000005FA0000-0x0000000005FA1000-memory.dmp

                          memory/3964-159-0x0000000007460000-0x0000000007461000-memory.dmp

                          memory/3964-164-0x0000000008310000-0x0000000008311000-memory.dmp

                          memory/3964-124-0x0000000006340000-0x0000000006341000-memory.dmp

                          memory/3964-157-0x00000000071E0000-0x00000000071E1000-memory.dmp

                          memory/3964-178-0x00000000078B0000-0x00000000078B1000-memory.dmp

                          memory/3964-125-0x0000000005D50000-0x0000000005D51000-memory.dmp

                          memory/3964-122-0x0000000000930000-0x0000000000931000-memory.dmp

                          memory/3964-126-0x0000000005DB0000-0x0000000005DB1000-memory.dmp

                          memory/3964-158-0x00000000078E0000-0x00000000078E1000-memory.dmp

                          memory/3964-127-0x0000000005DF0000-0x0000000005DF1000-memory.dmp

                          memory/3964-121-0x0000000077120000-0x00000000772AE000-memory.dmp

                          memory/3964-128-0x0000000005D20000-0x0000000005D21000-memory.dmp

                          memory/3964-176-0x00000000076F0000-0x00000000076F1000-memory.dmp

                          memory/3964-177-0x0000000007810000-0x0000000007811000-memory.dmp

                          memory/3968-116-0x0000000002CC0000-0x0000000002E0A000-memory.dmp

                          memory/4068-145-0x0000000004820000-0x00000000048B1000-memory.dmp

                          memory/4068-146-0x0000000000400000-0x0000000002D05000-memory.dmp