Overview

overview

10

Static

static

cd87ab1ec4...a3.exe

windows7_x64

10

cd87ab1ec4...a3.exe

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29/08/2021, 10:42

Sharing

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Report Analysis Logs

General

  • Target

    cd87ab1ec4c93f1ef50d624c1944e2a3.exe

  • Size

    140KB

  • MD5

    cd87ab1ec4c93f1ef50d624c1944e2a3

  • SHA1

    ab3ecbd441af8aa95320300ce4bfdcf07d8da7b5

  • SHA256

    a41da84a70aac4a8274ad4276cc9cb8ac79604103fd3a53455653a9439887162

  • SHA512

    327ed4f155d591c5c9adbc5d25b30f729f15fa89d91693bfa1a4b4266288b97ae7d6b549e10f02dd636c3db9947fecba5de9f09b279f8a7fde3ce9532a4da734

Score
10/10
buranraccoonsmokeloader20d9c80657d1d0fda9625cbd629ba419b8a34404d02c5d65069fc7ce1993e7c52edf0c9c4c195c81backdoordiscoveryevasionpersistenceransomwarespywarestealerthemidatrojan

Malware Config

Extracted

Path

C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT

Family

buran

Ransom Note
!!! ALL YOUR FILES ARE ENCRYPTED !!! All your files, documents, photos, databases and other important files are encrypted. You are not able to decrypt it by yourself! The only method of recovering files is to purchase an unique private key. Only we can give you this key and only we can recover your files. PAY FAST 500$=0.013 btc or the price will increase tomorrow bitcoin address bc1qqxnp9z0ff8x852dyflp5r9r6rzse8jl5hzmqz8 To be sure we have the decryptor and it works you can send an email: [email protected] and decrypt one file for free. But this file should be of not valuable! Do you really want to restore your files? [email protected] TELEGRAM @ payfast290 Your personal ID: 2BC-18B-F1B Attention! * Do not rename encrypted files. * Do not try to decrypt your data using third party software, it may cause permanent data loss. * Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforaugust1.xyz/

http://readinglistforaugust2.xyz/

http://readinglistforaugust3.xyz/

http://readinglistforaugust4.xyz/

http://readinglistforaugust5.xyz/

http://readinglistforaugust6.xyz/

http://readinglistforaugust7.xyz/

http://readinglistforaugust8.xyz/

http://readinglistforaugust9.xyz/

http://readinglistforaugust10.xyz/

http://readinglistforaugust1.site/

http://readinglistforaugust2.site/

http://readinglistforaugust3.site/

http://readinglistforaugust4.site/

http://readinglistforaugust5.site/

http://readinglistforaugust6.site/

http://readinglistforaugust7.site/

http://readinglistforaugust8.site/

http://readinglistforaugust9.site/

http://readinglistforaugust10.site/
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

20d9c80657d1d0fda9625cbd629ba419b8a34404

Attributes
  • url4cnc

    https://telete.in/hfuimoneymake

rc4.plain
rc4.plain

Extracted

Family

raccoon

Botnet

d02c5d65069fc7ce1993e7c52edf0c9c4c195c81

Attributes
  • url4cnc

    https://telete.in/open3entershift

rc4.plain
rc4.plain

Signatures

  • Buran

    Ransomware-as-a-service based on the VegaLocker family first identified in 2019.

    ransomwareburan
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
    evasion
  • Downloads MZ/PE file
  • Executes dropped EXE 6 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
  • 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.

    spywarestealer
  • Themida packer 3 IoCs

    Detects Themida, an advanced Windows software protection system.

    themida
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
    spyware
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 14 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd87ab1ec4c93f1ef50d624c1944e2a3.exe
    "C:\Users\Admin\AppData\Local\Temp\cd87ab1ec4c93f1ef50d624c1944e2a3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Users\Admin\AppData\Local\Temp\cd87ab1ec4c93f1ef50d624c1944e2a3.exe
      "C:\Users\Admin\AppData\Local\Temp\cd87ab1ec4c93f1ef50d624c1944e2a3.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3040
  • C:\Users\Admin\AppData\Local\Temp\8BF5.exe
    C:\Users\Admin\AppData\Local\Temp\8BF5.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    PID:1860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 736
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 752
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 848
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 900
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1188
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1224
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1260
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1884
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1144
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:1980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1264
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:3932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1260
      2⤵
      • Program crash
      PID:4052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1144
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1144
      2⤵
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1168
      2⤵
      • Program crash
      PID:1552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1860 -s 1288
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      PID:3460
  • C:\Users\Admin\AppData\Local\Temp\9155.exe
    C:\Users\Admin\AppData\Local\Temp\9155.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2900
  • C:\Users\Admin\AppData\Local\Temp\92BD.exe
    C:\Users\Admin\AppData\Local\Temp\92BD.exe
    1⤵
    • Executes dropped EXE
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1564
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -start
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious use of WriteProcessMemory
      PID:3972
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /C wmic shadowcopy delete
        3⤵
          PID:3800
          • C:\Windows\SysWOW64\Wbem\WMIC.exe
            wmic shadowcopy delete
            4⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4052
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} recoveryenabled no
          3⤵
            PID:3340
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /C C:\Users\Admin\AppData\Local\Temp\~temp001.bat
            3⤵
              PID:1320
              • C:\Windows\SysWOW64\Wbem\WMIC.exe
                wmic shadowcopy delete
                4⤵
                  PID:1916
                • C:\Windows\SysWOW64\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  4⤵
                  • Interacts with shadow copies
                  PID:3292
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe
                "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\smss.exe" -agent 0
                3⤵
                • Executes dropped EXE
                • Drops file in Program Files directory
                PID:1636
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /C vssadmin delete shadows /all /quiet
                3⤵
                  PID:204
                  • C:\Windows\SysWOW64\vssadmin.exe
                    vssadmin delete shadows /all /quiet
                    4⤵
                    • Interacts with shadow copies
                    PID:2308
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /C wbadmin delete catalog -quiet
                  3⤵
                    PID:2824
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /C bcdedit /set {default} bootstatuspolicy ignoreallfailures
                    3⤵
                      PID:2300
                  • C:\Windows\SysWOW64\notepad.exe
                    notepad.exe
                    2⤵
                      PID:1320
                  • C:\Users\Admin\AppData\Local\Temp\9483.exe
                    C:\Users\Admin\AppData\Local\Temp\9483.exe
                    1⤵
                    • Executes dropped EXE
                    PID:2300
                  • C:\Windows\SysWOW64\explorer.exe
                    C:\Windows\SysWOW64\explorer.exe
                    1⤵
                      PID:2272
                    • C:\Windows\explorer.exe
                      C:\Windows\explorer.exe
                      1⤵
                        PID:3484
                      • C:\Windows\SysWOW64\explorer.exe
                        C:\Windows\SysWOW64\explorer.exe
                        1⤵
                          PID:2180
                        • C:\Windows\explorer.exe
                          C:\Windows\explorer.exe
                          1⤵
                            PID:716
                          • C:\Windows\SysWOW64\explorer.exe
                            C:\Windows\SysWOW64\explorer.exe
                            1⤵
                              PID:2656
                            • C:\Windows\explorer.exe
                              C:\Windows\explorer.exe
                              1⤵
                                PID:364
                              • C:\Windows\SysWOW64\explorer.exe
                                C:\Windows\SysWOW64\explorer.exe
                                1⤵
                                  PID:196
                                • C:\Windows\explorer.exe
                                  C:\Windows\explorer.exe
                                  1⤵
                                    PID:1568
                                  • C:\Windows\SysWOW64\explorer.exe
                                    C:\Windows\SysWOW64\explorer.exe
                                    1⤵
                                      PID:1032
                                    • C:\Windows\system32\vssvc.exe
                                      C:\Windows\system32\vssvc.exe
                                      1⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:1060

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • memory/196-172-0x0000000002A10000-0x0000000002A14000-memory.dmp

                                      Filesize

                                      16KB

                                      Download

                                    • memory/196-173-0x0000000002A00000-0x0000000002A09000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/364-169-0x00000000010C0000-0x00000000010C6000-memory.dmp

                                      Filesize

                                      24KB

                                      Download

                                    • memory/364-170-0x00000000010B0000-0x00000000010BC000-memory.dmp

                                      Filesize

                                      48KB

                                      Download

                                    • memory/716-151-0x0000000000F50000-0x0000000000F5F000-memory.dmp

                                      Filesize

                                      60KB

                                      Download

                                    • memory/716-150-0x0000000000F60000-0x0000000000F69000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/900-116-0x00000000020E0000-0x00000000020EA000-memory.dmp

                                      Filesize

                                      40KB

                                      Download

                                    • memory/1032-182-0x0000000002920000-0x0000000002929000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/1032-181-0x0000000002930000-0x0000000002935000-memory.dmp

                                      Filesize

                                      20KB

                                      Download

                                    • memory/1320-174-0x0000000000F20000-0x0000000000F21000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/1568-178-0x0000000000DB0000-0x0000000000DB9000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/1568-177-0x0000000000DC0000-0x0000000000DC5000-memory.dmp

                                      Filesize

                                      20KB

                                      Download

                                    • memory/1860-155-0x0000000003A40000-0x0000000003ACF000-memory.dmp

                                      Filesize

                                      572KB

                                      Download

                                    • memory/1860-156-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                      Filesize

                                      25.7MB

                                      Download

                                    • memory/2180-145-0x0000000002760000-0x000000000276B000-memory.dmp

                                      Filesize

                                      44KB

                                      Download

                                    • memory/2180-144-0x0000000002770000-0x0000000002777000-memory.dmp

                                      Filesize

                                      28KB

                                      Download

                                    • memory/2272-139-0x0000000002760000-0x00000000027CB000-memory.dmp

                                      Filesize

                                      428KB

                                      Download

                                    • memory/2272-137-0x0000000002A00000-0x0000000002A74000-memory.dmp

                                      Filesize

                                      464KB

                                      Download

                                    • memory/2300-180-0x0000000000400000-0x0000000001DB7000-memory.dmp

                                      Filesize

                                      25.7MB

                                      Download

                                    • memory/2300-176-0x0000000001F10000-0x0000000001F9F000-memory.dmp

                                      Filesize

                                      572KB

                                      Download

                                    • memory/2656-154-0x0000000000190000-0x0000000000199000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/2656-153-0x00000000001A0000-0x00000000001A5000-memory.dmp

                                      Filesize

                                      20KB

                                      Download

                                    • memory/2900-143-0x0000000005A20000-0x0000000005A21000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-188-0x0000000007670000-0x0000000007671000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-133-0x0000000001000000-0x0000000001001000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-136-0x0000000005F20000-0x0000000005F21000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-140-0x00000000037D0000-0x00000000037D1000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-149-0x00000000037F0000-0x00000000037F1000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-183-0x0000000007200000-0x0000000007201000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-184-0x0000000007900000-0x0000000007901000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-186-0x0000000007120000-0x0000000007121000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-187-0x0000000007550000-0x0000000007551000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-131-0x0000000077020000-0x00000000771AE000-memory.dmp

                                      Filesize

                                      1.6MB

                                      Download

                                    • memory/2900-189-0x0000000008330000-0x0000000008331000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-148-0x0000000005990000-0x0000000005991000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-146-0x0000000005950000-0x0000000005951000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-197-0x0000000007650000-0x0000000007651000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/2900-204-0x0000000007FB0000-0x0000000007FB1000-memory.dmp

                                      Filesize

                                      4KB

                                      Download

                                    • memory/3024-117-0x0000000000760000-0x0000000000776000-memory.dmp

                                      Filesize

                                      88KB

                                      Download

                                    • memory/3040-114-0x0000000000400000-0x0000000000409000-memory.dmp

                                      Filesize

                                      36KB

                                      Download

                                    • memory/3484-141-0x0000000000540000-0x0000000000547000-memory.dmp

                                      Filesize

                                      28KB

                                      Download

                                    • memory/3484-142-0x0000000000530000-0x000000000053C000-memory.dmp

                                      Filesize

                                      48KB

                                      Download