Analysis

  • max time kernel
    152s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    16/08/2021, 09:02

General

  • Target
    d86d71d53b351a9d3c585b7e8b24d525.exe
  • Size 180KB
  • Sample210816-cwbls514fa
  • SHA256 eaa52f460d64093ebcf267e2fa4ebe342b31ee442127afe065892b790409eb33
  • 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
  • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

  • 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 UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d86d71d53b351a9d3c585b7e8b24d525.exe
    "C:\Users\Admin\AppData\Local\Temp\d86d71d53b351a9d3c585b7e8b24d525.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Users\Admin\AppData\Local\Temp\d86d71d53b351a9d3c585b7e8b24d525.exe
      "C:\Users\Admin\AppData\Local\Temp\d86d71d53b351a9d3c585b7e8b24d525.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:696
  • C:\Users\Admin\AppData\Local\Temp\7AFD.exe
    C:\Users\Admin\AppData\Local\Temp\7AFD.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:3412
  • C:\Users\Admin\AppData\Local\Temp\82BE.exe
    C:\Users\Admin\AppData\Local\Temp\82BE.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:1164
  • C:\Users\Admin\AppData\Local\Temp\887C.exe
    C:\Users\Admin\AppData\Local\Temp\887C.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 732
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 744
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 748
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 880
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1184
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3844
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1188
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1344
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1328
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1152
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1320
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1408
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1520
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1580
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1388
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1336
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1540
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1648
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1520
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1768
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2196
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1828
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1676
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1932
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4048
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1964
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 2028
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1668
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1876
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:4068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 2036
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 2032
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1856
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1768
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1808
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 740 -s 1708
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3164
  • C:\Windows\SysWOW64\explorer.exe
    C:\Windows\SysWOW64\explorer.exe
    1⤵
      PID:2884
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe
      1⤵
        PID:3752
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        1⤵
          PID:396
        • C:\Windows\explorer.exe
          C:\Windows\explorer.exe
          1⤵
            PID:2060
          • C:\Windows\SysWOW64\explorer.exe
            C:\Windows\SysWOW64\explorer.exe
            1⤵
              PID:3588
            • C:\Windows\explorer.exe
              C:\Windows\explorer.exe
              1⤵
                PID:2620
              • C:\Windows\SysWOW64\explorer.exe
                C:\Windows\SysWOW64\explorer.exe
                1⤵
                  PID:1196
                • C:\Windows\explorer.exe
                  C:\Windows\explorer.exe
                  1⤵
                    PID:1316
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:908

                    Network

                          MITRE ATT&CK Enterprise v6

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          memory/396-154-0x0000000003190000-0x0000000003197000-memory.dmp

                          memory/396-155-0x0000000003180000-0x000000000318B000-memory.dmp

                          memory/656-114-0x00000000049D0000-0x00000000049DA000-memory.dmp

                          memory/696-115-0x0000000000400000-0x0000000000409000-memory.dmp

                          memory/740-141-0x00000000049A0000-0x0000000004A31000-memory.dmp

                          memory/740-144-0x0000000000400000-0x0000000002D05000-memory.dmp

                          memory/908-176-0x00000000009B0000-0x00000000009B5000-memory.dmp

                          memory/908-177-0x00000000009A0000-0x00000000009A9000-memory.dmp

                          memory/1164-133-0x0000000077D90000-0x0000000077F1E000-memory.dmp

                          memory/1164-134-0x0000000000DA0000-0x0000000000DA1000-memory.dmp

                          memory/1164-146-0x0000000005B60000-0x0000000005B61000-memory.dmp

                          memory/1164-143-0x0000000005A40000-0x0000000005A41000-memory.dmp

                          memory/1196-167-0x0000000003440000-0x0000000003449000-memory.dmp

                          memory/1196-166-0x0000000003450000-0x0000000003454000-memory.dmp

                          memory/1316-172-0x0000000000F10000-0x0000000000F15000-memory.dmp

                          memory/1316-173-0x0000000000F00000-0x0000000000F09000-memory.dmp

                          memory/2060-158-0x0000000000D90000-0x0000000000D9F000-memory.dmp

                          memory/2060-157-0x0000000000DA0000-0x0000000000DA9000-memory.dmp

                          memory/2620-163-0x00000000009D0000-0x00000000009D6000-memory.dmp

                          memory/2620-164-0x00000000009C0000-0x00000000009CC000-memory.dmp

                          memory/2884-149-0x0000000000BA0000-0x0000000000C14000-memory.dmp

                          memory/2884-150-0x0000000000B30000-0x0000000000B9B000-memory.dmp

                          memory/3060-117-0x00000000013F0000-0x0000000001406000-memory.dmp

                          memory/3412-142-0x00000000056D0000-0x00000000056D1000-memory.dmp

                          memory/3412-170-0x0000000007250000-0x0000000007251000-memory.dmp

                          memory/3412-178-0x0000000006F70000-0x0000000006F71000-memory.dmp

                          memory/3412-132-0x0000000005610000-0x0000000005611000-memory.dmp

                          memory/3412-127-0x0000000005CF0000-0x0000000005CF1000-memory.dmp

                          memory/3412-121-0x0000000077D90000-0x0000000077F1E000-memory.dmp

                          memory/3412-139-0x0000000005650000-0x0000000005651000-memory.dmp

                          memory/3412-169-0x0000000006B50000-0x0000000006B51000-memory.dmp

                          memory/3412-179-0x0000000007090000-0x0000000007091000-memory.dmp

                          memory/3412-171-0x0000000006AD0000-0x0000000006AD1000-memory.dmp

                          memory/3412-180-0x0000000007130000-0x0000000007131000-memory.dmp

                          memory/3412-128-0x00000000055B0000-0x00000000055B1000-memory.dmp

                          memory/3412-122-0x0000000001160000-0x0000000001161000-memory.dmp

                          memory/3412-175-0x0000000007C80000-0x0000000007C81000-memory.dmp

                          memory/3588-161-0x0000000000870000-0x0000000000879000-memory.dmp

                          memory/3588-160-0x0000000000880000-0x0000000000885000-memory.dmp

                          memory/3752-152-0x0000000000690000-0x000000000069C000-memory.dmp

                          memory/3752-151-0x00000000006A0000-0x00000000006A7000-memory.dmp