Analysis

  • max time kernel
    5s
  • max time network
    68s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-01-2025 08:44

General

  • Target

    f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69cN.exe

  • Size

    2.0MB

  • MD5

    c7015c7807f4470405378360a020bdf0

  • SHA1

    b7100dbd2406e325199c92c0c736de4faf95d78b

  • SHA256

    f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69c

  • SHA512

    5bc54b6fe33faf89954cb1657a4b2e2219db8e14aab4bc81aaf2fc50235ad2acc9d822bf2f3638676ef412ddc0951b499ef4930d045c9f67282af8932f4dbe42

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYM:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YK

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

    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 1 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 5 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\f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69cN.exe
    "C:\Users\Admin\AppData\Local\Temp\f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69cN.exe"
    1⤵
    • 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:1828
    • 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:2900
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 548
          3⤵
          • Program crash
          PID:4868
      • 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:4984
        • 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:1412
        • 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:4528
          • 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:4816
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\vaGi7onlCSgC.bat" "
            4⤵
              PID:3644
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4108
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4120
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:2404
                    • 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:1196
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\hKt2WPyIa7Vd.bat" "
                      6⤵
                        PID:4760
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:5012
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:4788
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 2208
                          6⤵
                          • Program crash
                          PID:4048
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 2228
                      4⤵
                      • Program crash
                      PID:1700
                • C:\Users\Admin\AppData\Local\Temp\f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69cN.exe
                  "C:\Users\Admin\AppData\Local\Temp\f19d1794d9be1b4133f62505585d375866388d78c0caddf3f7bf23244858f69cN.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:312
                • 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:2608
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2900 -ip 2900
                1⤵
                  PID:2152
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4528 -ip 4528
                  1⤵
                    PID:392
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:1680
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:3612
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:4432
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 520
                              3⤵
                              • Program crash
                              PID:2256
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:2736
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1332
                              • 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:4460
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3612 -ip 3612
                              1⤵
                                PID:2544
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2404 -ip 2404
                                1⤵
                                  PID:3328
                                • C:\Windows\system32\sihost.exe
                                  sihost.exe
                                  1⤵
                                    PID:3936

                                  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\hKt2WPyIa7Vd.bat

                                    Filesize

                                    208B

                                    MD5

                                    944580db125a28768fc867177346e6e7

                                    SHA1

                                    08dfdbadebac06ab006a5a3ba27c8cb7e0eef1b4

                                    SHA256

                                    0f84a22abde8b4f586cd80c24dcf62c39ec2252eb2664ad64c3a1fe535ecfece

                                    SHA512

                                    aebe4f481b70c7a74de90c30197a4203c70f50afed284b76fd277221f796af38409a452ad7d9416a8327262ce8f4e7bf9ba82dbd414a226799895db2f9dbb214

                                  • C:\Users\Admin\AppData\Local\Temp\vaGi7onlCSgC.bat

                                    Filesize

                                    208B

                                    MD5

                                    0948886b66dd207d4559b75c193d16d7

                                    SHA1

                                    7a832ba3cf89c8bb686c800a9a65ebcba1616c36

                                    SHA256

                                    07135201c65b63933b20e0fc3606f624dedb8ccbcc07f09e6ca72dd010fcc024

                                    SHA512

                                    4f4b4e1334fc4dcdcdeaeb8ca5a894f5d70fec0327b22b89d087f4c46b0e6629d141ca003646cbf2696536571a51e01ba33eee6fc354e76507362f786ab0c9bf

                                  • 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\01-17-2025

                                    Filesize

                                    224B

                                    MD5

                                    fa5827a1d870732eb49f334cccbee6ef

                                    SHA1

                                    04580d2a9e6c73d825d4626f3743c6e1f96631e4

                                    SHA256

                                    e64d6253783f32847f03b28773d9b5a77140b6d8f3e1b21cfa94ab43ce8c856f

                                    SHA512

                                    4e538adda3ad95fd31c09875e1c4ebb2ea68e9491b233cf82a6bfde93e4088484c82663bec176dabbb5cdfd982408e9d607c0986534d2082a4a78f5d901e4cbe

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

                                    Filesize

                                    2.0MB

                                    MD5

                                    91ea2c5bac1bc2eeda992193e1fee9c4

                                    SHA1

                                    6f6d4d8f6d0ed923284a63849b1eebc7b43176b6

                                    SHA256

                                    8993825f05139d85c7a0ad38f672c93038d233ede1c1a164e07d72c42d93d938

                                    SHA512

                                    fc5ff29bfafee8882e5216c395bd0e1e5e06098a81455436ec1e69779b775dd7d1290d9ffd95b96f55bfbcbf73d4ecefd05e085905834d4c7da115bd4ed88887

                                  • memory/312-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/312-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                    Filesize

                                    128KB

                                  • memory/1828-19-0x0000000004610000-0x0000000004611000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/1828-86-0x0000000073A30000-0x0000000073ACF000-memory.dmp

                                    Filesize

                                    636KB

                                  • memory/1828-87-0x0000000075500000-0x0000000075508000-memory.dmp

                                    Filesize

                                    32KB

                                  • memory/1828-46-0x0000000004610000-0x0000000004611000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4528-45-0x0000000006400000-0x000000000640A000-memory.dmp

                                    Filesize

                                    40KB

                                  • memory/4984-29-0x000000007316E000-0x000000007316F000-memory.dmp

                                    Filesize

                                    4KB

                                  • memory/4984-37-0x0000000005D50000-0x0000000005D8C000-memory.dmp

                                    Filesize

                                    240KB

                                  • memory/4984-36-0x0000000005150000-0x0000000005162000-memory.dmp

                                    Filesize

                                    72KB

                                  • memory/4984-35-0x0000000004BE0000-0x0000000004C46000-memory.dmp

                                    Filesize

                                    408KB

                                  • memory/4984-34-0x0000000004B40000-0x0000000004BD2000-memory.dmp

                                    Filesize

                                    584KB

                                  • memory/4984-33-0x0000000005220000-0x00000000057C4000-memory.dmp

                                    Filesize

                                    5.6MB

                                  • memory/4984-30-0x00000000001C0000-0x000000000021E000-memory.dmp

                                    Filesize

                                    376KB