Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    13/11/2021, 01:26

General

  • Target
    a45ccc93d468795b4aa9c2842676b95b.exe
  • Size 343KB
  • Sample211113-btjthabeaq
  • SHA256 0bd71ea13d68490c12e62e4a4e8b17839cba71bacbe16653656e89c65a945652
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://nalirou70.top/

  • http://xacokuo80.top/

  • http://nusurtal4f.net/

  • http://netomishnetojuk.net/

  • http://escalivrouter.net/

  • http://nick22doom4.net/

  • http://wrioshtivsio.su/

  • http://nusotiso4.su/

  • http://rickkhtovkka.biz/

  • http://palisotoliso.net/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • redline

C2
  • 185.159.80.90:38637

Extracted

Family
  • redline

Botnet
  • SuperStar

C2
  • 185.215.113.29:36224

Extracted

Family
  • raccoon

Botnet
  • 8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • ppg

C2
  • 86.107.197.248:56626

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • RedLine

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

  • RedLine Payload 6 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Suspicious use of NtCreateProcessExOtherParentProcess 3 IoCs
  • suricata: ET MALWARE Known Sinkhole Response Header

    suricata: ET MALWARE Known Sinkhole Response Header

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
  • Downloads MZ/PE file
  • Executes dropped EXE 13 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Deletes itself 1 IoCs
  • Drops startup file 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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 1 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Program crash 3 IoCs
  • Checks SCSI registry key(s) 3 TTPs 9 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 62 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a45ccc93d468795b4aa9c2842676b95b.exe
    "C:\Users\Admin\AppData\Local\Temp\a45ccc93d468795b4aa9c2842676b95b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2800
    • C:\Users\Admin\AppData\Local\Temp\a45ccc93d468795b4aa9c2842676b95b.exe
      "C:\Users\Admin\AppData\Local\Temp\a45ccc93d468795b4aa9c2842676b95b.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3264
  • C:\Users\Admin\AppData\Local\Temp\2556.exe
    C:\Users\Admin\AppData\Local\Temp\2556.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\2556.exe
      C:\Users\Admin\AppData\Local\Temp\2556.exe
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:408
  • C:\Users\Admin\AppData\Local\Temp\2A2A.exe
    C:\Users\Admin\AppData\Local\Temp\2A2A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1604
    • C:\Users\Admin\AppData\Local\Temp\2A2A.exe
      C:\Users\Admin\AppData\Local\Temp\2A2A.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:400
  • C:\Users\Admin\AppData\Local\Temp\2E90.exe
    C:\Users\Admin\AppData\Local\Temp\2E90.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:1484
  • C:\Users\Admin\AppData\Local\Temp\37A9.exe
    C:\Users\Admin\AppData\Local\Temp\37A9.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Users\Admin\AppData\Local\Temp\37A9.exe
      C:\Users\Admin\AppData\Local\Temp\37A9.exe
      2⤵
      • Executes dropped EXE
      PID:2484
  • C:\Users\Admin\AppData\Local\Temp\3F7A.exe
    C:\Users\Admin\AppData\Local\Temp\3F7A.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3164
    • C:\Users\Admin\AppData\Local\Temp\3F7A.exe
      C:\Users\Admin\AppData\Local\Temp\3F7A.exe
      2⤵
      • Executes dropped EXE
      PID:2256
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2256 -s 872
        3⤵
        • Suspicious use of NtCreateProcessExOtherParentProcess
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:1340
  • C:\Users\Admin\AppData\Local\Temp\5322.exe
    C:\Users\Admin\AppData\Local\Temp\5322.exe
    1⤵
    • Executes dropped EXE
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:1992
    • C:\Users\Admin\AppData\Roaming\WinSup\client32.exe
      "C:\Users\Admin\AppData\Roaming\WinSup\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:3216
  • C:\Users\Admin\AppData\Local\Temp\BB15.exe
    C:\Users\Admin\AppData\Local\Temp\BB15.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3532 -s 556
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1424
  • C:\Users\Admin\AppData\Local\Temp\E736.exe
    C:\Users\Admin\AppData\Local\Temp\E736.exe
    1⤵
    • Executes dropped EXE
    PID:2188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2188 -s 668
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1488

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/400-156-0x0000000005620000-0x0000000005621000-memory.dmp

        memory/400-208-0x0000000006080000-0x0000000006081000-memory.dmp

        memory/400-159-0x0000000005460000-0x0000000005A66000-memory.dmp

        memory/400-155-0x00000000054F0000-0x00000000054F1000-memory.dmp

        memory/400-154-0x0000000005A70000-0x0000000005A71000-memory.dmp

        memory/400-149-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/400-163-0x0000000005730000-0x0000000005731000-memory.dmp

        memory/400-218-0x0000000006F90000-0x0000000006F91000-memory.dmp

        memory/400-219-0x0000000007690000-0x0000000007691000-memory.dmp

        memory/400-158-0x0000000005550000-0x0000000005551000-memory.dmp

        memory/400-213-0x0000000006490000-0x0000000006491000-memory.dmp

        memory/1420-172-0x0000000002B60000-0x0000000002CAA000-memory.dmp

        memory/1420-164-0x0000000002DF6000-0x0000000002E19000-memory.dmp

        memory/1484-136-0x0000000000460000-0x0000000000469000-memory.dmp

        memory/1484-137-0x0000000000400000-0x0000000000439000-memory.dmp

        memory/1484-135-0x0000000000450000-0x0000000000458000-memory.dmp

        memory/1500-286-0x0000000000400000-0x0000000000401000-memory.dmp

        memory/1500-294-0x0000000000730000-0x0000000000731000-memory.dmp

        memory/1500-277-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/1500-283-0x0000000000730000-0x0000000000731000-memory.dmp

        memory/1500-284-0x0000000000730000-0x0000000000731000-memory.dmp

        memory/1500-285-0x0000000000730000-0x0000000000731000-memory.dmp

        memory/1604-138-0x00000000058F0000-0x00000000058F1000-memory.dmp

        memory/1604-126-0x0000000000A90000-0x0000000000A91000-memory.dmp

        memory/1604-131-0x00000000052A0000-0x00000000052A1000-memory.dmp

        memory/1604-132-0x0000000005260000-0x0000000005261000-memory.dmp

        memory/1604-134-0x00000000053E0000-0x00000000053E1000-memory.dmp

        memory/2256-191-0x0000000000400000-0x0000000000491000-memory.dmp

        memory/2256-186-0x0000000000400000-0x0000000000491000-memory.dmp

        memory/2256-214-0x0000000000400000-0x0000000000491000-memory.dmp

        memory/2256-215-0x00000000006D0000-0x000000000071E000-memory.dmp

        memory/2256-216-0x0000000000750000-0x00000000007DE000-memory.dmp

        memory/2256-217-0x0000000000400000-0x0000000000491000-memory.dmp

        memory/2484-179-0x0000000004A30000-0x0000000004A31000-memory.dmp

        memory/2484-174-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/2484-165-0x0000000000400000-0x0000000000433000-memory.dmp

        memory/2484-168-0x0000000004880000-0x000000000489C000-memory.dmp

        memory/2484-170-0x0000000004910000-0x000000000492B000-memory.dmp

        memory/2484-177-0x0000000004A34000-0x0000000004A36000-memory.dmp

        memory/2484-181-0x0000000004A33000-0x0000000004A34000-memory.dmp

        memory/2484-180-0x0000000004A32000-0x0000000004A33000-memory.dmp

        memory/2800-115-0x0000000002ED6000-0x0000000002EE7000-memory.dmp

        memory/2800-118-0x0000000002CB0000-0x0000000002CB9000-memory.dmp

        memory/3024-119-0x0000000001080000-0x0000000001096000-memory.dmp

        memory/3024-176-0x0000000003140000-0x0000000003156000-memory.dmp

        memory/3024-160-0x00000000030F0000-0x0000000003106000-memory.dmp

        memory/3164-190-0x0000000004980000-0x00000000049F0000-memory.dmp

        memory/3164-157-0x0000000002EA6000-0x0000000002F1E000-memory.dmp

        memory/3164-162-0x0000000002BC0000-0x0000000002D0A000-memory.dmp

        memory/3164-161-0x0000000000400000-0x0000000002BB3000-memory.dmp

        memory/3164-189-0x0000000004910000-0x0000000004973000-memory.dmp

        memory/3264-116-0x0000000000400000-0x0000000000408000-memory.dmp

        memory/3408-140-0x0000000002BF6000-0x0000000002C07000-memory.dmp

        memory/3532-254-0x00000000027B0000-0x00000000027B1000-memory.dmp

        memory/3532-248-0x0000000002640000-0x0000000002641000-memory.dmp

        memory/3532-239-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-240-0x0000000000400000-0x00000000007AC000-memory.dmp

        memory/3532-238-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-242-0x0000000000400000-0x00000000007AC000-memory.dmp

        memory/3532-241-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-243-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-237-0x0000000003520000-0x0000000003521000-memory.dmp

        memory/3532-235-0x0000000002850000-0x0000000002851000-memory.dmp

        memory/3532-231-0x0000000002820000-0x0000000002821000-memory.dmp

        memory/3532-244-0x0000000002610000-0x0000000002611000-memory.dmp

        memory/3532-245-0x0000000002620000-0x0000000002621000-memory.dmp

        memory/3532-257-0x00000000027D0000-0x00000000027D1000-memory.dmp

        memory/3532-247-0x00000000025F0000-0x00000000025F1000-memory.dmp

        memory/3532-256-0x0000000002760000-0x0000000002761000-memory.dmp

        memory/3532-250-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-249-0x0000000002660000-0x0000000002661000-memory.dmp

        memory/3532-251-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-252-0x0000000002790000-0x0000000002791000-memory.dmp

        memory/3532-253-0x0000000002740000-0x0000000002741000-memory.dmp

        memory/3532-234-0x0000000002880000-0x0000000002881000-memory.dmp

        memory/3532-236-0x0000000000400000-0x00000000007AC000-memory.dmp

        memory/3532-255-0x0000000002770000-0x0000000002771000-memory.dmp

        memory/3532-246-0x00000000025D0000-0x00000000025D1000-memory.dmp

        memory/3532-259-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-258-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-260-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-261-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-262-0x0000000003510000-0x0000000003511000-memory.dmp

        memory/3532-263-0x00000000025C0000-0x00000000025C1000-memory.dmp

        memory/3532-264-0x00000000028E0000-0x00000000028E1000-memory.dmp

        memory/3532-265-0x00000000028F0000-0x00000000028F1000-memory.dmp

        memory/3532-266-0x00000000028A0000-0x00000000028A1000-memory.dmp

        memory/3532-267-0x0000000002910000-0x0000000002911000-memory.dmp

        memory/3532-232-0x0000000000400000-0x00000000007AC000-memory.dmp

        memory/3532-230-0x0000000000400000-0x00000000007AC000-memory.dmp

        memory/3532-229-0x0000000002860000-0x0000000002861000-memory.dmp

        memory/3532-228-0x00000000027F0000-0x00000000027F1000-memory.dmp

        memory/3532-227-0x0000000002840000-0x0000000002841000-memory.dmp

        memory/3532-225-0x0000000002780000-0x0000000002781000-memory.dmp

        memory/3532-226-0x0000000002830000-0x0000000002831000-memory.dmp

        memory/3532-224-0x0000000002430000-0x0000000002490000-memory.dmp

        memory/3532-233-0x0000000002810000-0x0000000002811000-memory.dmp