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Analysis

  • max time kernel
    5s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/01/2025, 14:34

General

  • Target

    77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593fN.exe

  • Size

    2.0MB

  • MD5

    f94f616be33c0fbaa1e5115f9c34e680

  • SHA1

    11ee8eceb7a22a8b32452ae2eaa92d5864c60e3d

  • SHA256

    77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593f

  • SHA512

    4a56c4baaa7bcb97a25d5e818b149128a171477f8f28b58b9c21f5cc3a10568ef06104b7b34e0cc66b71b0ca1a2c6b0ab3c159aa7fcfd4b9332eea565a86a680

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYY:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Yi

Malware Config

Extracted

Family

azorult

C2

http://0x21.in:8000/_az/

Extracted

Family

quasar

Version

1.3.0.0

Botnet

EbayProfiles

C2

5.8.88.191:443

sockartek.icu:443

Mutex

QSR_MUTEX_0kBRNrRz5TDLEQouI0

Attributes
  • encryption_key

    MWhG6wsClMX8aJM2CVXT

  • install_name

    winsock.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    win defender run

  • subdirectory

    SubDir

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Azorult family
  • Quasar RAT 3 IoCs

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Looks up external IP address via web service 2 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

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

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

  • Program crash 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 2 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593fN.exe
    "C:\Users\Admin\AppData\Local\Temp\77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593fN.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4376
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4360
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:3704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4360 -s 548
          3⤵
          • Program crash
          PID:3980
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3860
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\windef.exe" /rl HIGHEST /f
          3⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:532
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:112
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
            4⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:4736
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\jJUWppVLUS6K.bat" "
            4⤵
              PID:4040
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4292
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:2008
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3928
                    • C:\Windows\SysWOW64\schtasks.exe
                      "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                      6⤵
                      • Scheduled Task/Job: Scheduled Task
                      PID:60
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\CWfrPhcz11Dv.bat" "
                      6⤵
                        PID:1748
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:4580
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2324
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            7⤵
                              PID:3736
                              • C:\Windows\SysWOW64\schtasks.exe
                                "schtasks" /create /tn "win defender run" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe" /rl HIGHEST /f
                                8⤵
                                • Scheduled Task/Job: Scheduled Task
                                PID:848
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -u -p 3928 -s 2192
                            6⤵
                            • Program crash
                            PID:3536
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 112 -s 2264
                        4⤵
                        • Program crash
                        PID:2168
                  • C:\Users\Admin\AppData\Local\Temp\77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593fN.exe
                    "C:\Users\Admin\AppData\Local\Temp\77bf16cf5d324c2d27fa932f56f7490d45fd0f5bc1237370a5dcda179fd4593fN.exe"
                    2⤵
                    • System Location Discovery: System Language Discovery
                    PID:3008
                  • C:\Windows\SysWOW64\schtasks.exe
                    "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                    2⤵
                    • System Location Discovery: System Language Discovery
                    • Scheduled Task/Job: Scheduled Task
                    PID:3484
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4360 -ip 4360
                  1⤵
                    PID:912
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 112 -ip 112
                    1⤵
                      PID:1880
                    • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                      1⤵
                        PID:4436
                        • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                          "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                          2⤵
                            PID:3340
                            • C:\Windows\system32\svchost.exe
                              C:\Windows\system32\svchost.exe -k
                              3⤵
                                PID:5052
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -u -p 3340 -s 520
                                3⤵
                                • Program crash
                                PID:1132
                            • C:\Users\Admin\AppData\Local\Temp\windef.exe
                              "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                              2⤵
                                PID:3016
                              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                2⤵
                                  PID:3092
                                • C:\Windows\SysWOW64\schtasks.exe
                                  "C:\Windows\SysWOW64\schtasks.exe" /create /tn RtkAudioService64 /tr "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe" /sc minute /mo 1 /F
                                  2⤵
                                  • Scheduled Task/Job: Scheduled Task
                                  PID:5092
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3340 -ip 3340
                                1⤵
                                  PID:3584
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3928 -ip 3928
                                  1⤵
                                    PID:2360

                                  Network

                                  MITRE ATT&CK Enterprise v15

                                  Replay Monitor

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                                  Downloads

                                  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\windef.exe.log

                                    Filesize

                                    1KB

                                    MD5

                                    10eab9c2684febb5327b6976f2047587

                                    SHA1

                                    a12ed54146a7f5c4c580416aecb899549712449e

                                    SHA256

                                    f49dbd55029bfbc15134f7c6a4f967d6c39142c63f2e8f1f8c78fab108a2c928

                                    SHA512

                                    7e5fd90fffae723bd0c662a90e0730b507805f072771ee673d1d8c262dbf60c8a03ba5fe088f699a97c2e886380de158b2ccd59ee62e3d012dd6dd14ea9d0e50

                                  • C:\Users\Admin\AppData\Local\Temp\CWfrPhcz11Dv.bat

                                    Filesize

                                    208B

                                    MD5

                                    07b3e26319f5fbc70bd90630b61db79a

                                    SHA1

                                    eef2621ecf5a32db111e9394410ca83233402ac6

                                    SHA256

                                    bd6d2279d0a966c9118394a44fb158bc1c258d4156eba5fe0ce812eb5892288d

                                    SHA512

                                    c05f0a7f39ddba0b0d8c5929d3a96c8deee74763375a7337fe2a84f86759b9d7ea812c3c7114f93b99c0af343bf9af314086203486fa06f5af754495a062fbf7

                                  • C:\Users\Admin\AppData\Local\Temp\jJUWppVLUS6K.bat

                                    Filesize

                                    208B

                                    MD5

                                    d203f026f396d1bf4468e534af50390b

                                    SHA1

                                    1ae375a5aa014b5fa20c3adbc82202262b56a2de

                                    SHA256

                                    6a69088c88c49959bf1792da6105e0745225ff7d3a50d2ec8c0f5107b55a15bc

                                    SHA512

                                    e7bd6713dad446b8ef6e8e80af423c71d2f63e8894b3f113f402878570847a6b17742c4c36bc69a8a551f4c8a35df944a5804938bee71d3d8246933b88638abd

                                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe

                                    Filesize

                                    405KB

                                    MD5

                                    b8ba87ee4c3fc085a2fed0d839aadce1

                                    SHA1

                                    b3a2e3256406330e8b1779199bb2b9865122d766

                                    SHA256

                                    4e8a99cd33c9e5c747a3ce8f1a3e17824846f4a8f7cb0631aebd0815db2ce3a4

                                    SHA512

                                    7a775a12cd5bcd182d64be0d31f800b456ca6d1b531189cea9c72e1940871cfe92ccd005938f67bfa4784ae44c54b3a7ea29a5bb59766e98c78bf53b680f2ab2

                                  • C:\Users\Admin\AppData\Local\Temp\windef.exe

                                    Filesize

                                    349KB

                                    MD5

                                    b4a202e03d4135484d0e730173abcc72

                                    SHA1

                                    01b30014545ea526c15a60931d676f9392ea0c70

                                    SHA256

                                    7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                    SHA512

                                    632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-19-2025

                                    Filesize

                                    224B

                                    MD5

                                    9e190ee0886861a20db9d21d7a297b7c

                                    SHA1

                                    fe8535ae90e93a434eb5763f49489856b5c8274c

                                    SHA256

                                    f405ce609f11bc172ea82f15c788105ee9a60ac23c36466961b8245bd0d16f76

                                    SHA512

                                    9d3eaf2df57d6a8de801f8788c9885afaffcb0f3fef56fe32878a652b14b31cc5fc0f909b78c938f4905a2098ba94e8535701099257dfaf4f83f58b954435310

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-19-2025

                                    Filesize

                                    224B

                                    MD5

                                    ca3cd7e625e99689e8703ee1bdc47051

                                    SHA1

                                    1beafd09d1af02192e699a576501ca85301fdbb5

                                    SHA256

                                    f8bf2765304753bd124da87011046622642f94b951975931c77b18f737218e26

                                    SHA512

                                    dd912885115b1855386466e45970d57df831287b7ba4e136a6a045ac82ae6ee693807064fcd05f4fcfdaf9f6af4049844ccfc911fa53f81655ee594f08deedff

                                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe

                                    Filesize

                                    2.0MB

                                    MD5

                                    ba9720791d4b2ad7a92c31a616cd9710

                                    SHA1

                                    41a9a32c54f5a426713dc3e573764c38da5bb36e

                                    SHA256

                                    b06f0c8860ffd036c1a71bd96e34d5cc0ef6924563903540fb6d7151b791c548

                                    SHA512

                                    c1633b3f36ba1d312b805543fac2abdc92e687d964602d96267506ba5a6e4c16418716525b7bef4a74db05e1c907a199dd4d7fbd3485b822edccf6af103fd9de

                                  • memory/112-45-0x00000000063E0000-0x00000000063EA000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/3008-20-0x0000000000490000-0x00000000004B0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3008-28-0x0000000000490000-0x00000000004B0000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3092-80-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3092-74-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/3860-29-0x00000000734AE000-0x00000000734AF000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/3860-37-0x0000000006790000-0x00000000067CC000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/3860-36-0x0000000005AA0000-0x0000000005AB2000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/3860-35-0x0000000005610000-0x0000000005676000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/3860-34-0x0000000005570000-0x0000000005602000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/3860-33-0x0000000005B20000-0x00000000060C4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/3860-30-0x0000000000AD0000-0x0000000000B2E000-memory.dmp

                                    Filesize

                                    376KB

                                  • memory/4376-19-0x0000000003A10000-0x0000000003A11000-memory.dmp

                                    Filesize

                                    4KB