Analysis

  • max time kernel
    4s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 15:56

General

  • Target

    2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1N.exe

  • Size

    2.0MB

  • MD5

    fce1285774f697cf09fa37fc272c0660

  • SHA1

    4990b01728cbe6f76b4d3d4d0371218aab1f7803

  • SHA256

    2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1

  • SHA512

    d6cb8d0b7f1e027cf11633c38087b4ed75196de716b33e86787e6485d8e5adfa3ba52088930e4b39654de958e1d1148bc9f48c7c279ff6168d7794a0264cbf5f

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYy: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\2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1N.exe
    "C:\Users\Admin\AppData\Local\Temp\2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1N.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:3760
    • 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:4816
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:972
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 552
          3⤵
          • Program crash
          PID:2384
      • 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:3112
        • 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:4808
        • 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:1480
          • 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:3220
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\R69nzAcyPl0o.bat" "
            4⤵
              PID:3716
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:3384
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • System Network Configuration Discovery: Internet Connection Discovery
                  • Runs ping.exe
                  PID:4624
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:556
                    • 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:1008
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6rtAhTpeBh51.bat" "
                      6⤵
                        PID:2996
                        • C:\Windows\SysWOW64\chcp.com
                          chcp 65001
                          7⤵
                            PID:2676
                          • C:\Windows\SysWOW64\PING.EXE
                            ping -n 10 localhost
                            7⤵
                            • System Network Configuration Discovery: Internet Connection Discovery
                            • Runs ping.exe
                            PID:2880
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 1964
                          6⤵
                          • Program crash
                          PID:4916
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1480 -s 2236
                      4⤵
                      • Program crash
                      PID:4660
                • C:\Users\Admin\AppData\Local\Temp\2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1N.exe
                  "C:\Users\Admin\AppData\Local\Temp\2363ed112f05a83b7ee222cd01ecf52ddf98c90ff6c0bc314d09630bc329bff1N.exe"
                  2⤵
                  • System Location Discovery: System Language Discovery
                  PID:2228
                • 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:3196
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4816 -ip 4816
                1⤵
                  PID:3720
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1480 -ip 1480
                  1⤵
                    PID:3208
                  • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                    1⤵
                      PID:816
                      • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                        "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                        2⤵
                          PID:1168
                          • C:\Windows\system32\svchost.exe
                            C:\Windows\system32\svchost.exe -k
                            3⤵
                              PID:848
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 1168 -s 520
                              3⤵
                              • Program crash
                              PID:4400
                          • C:\Users\Admin\AppData\Local\Temp\windef.exe
                            "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                            2⤵
                              PID:5108
                            • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                              "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                              2⤵
                                PID:1428
                              • 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:532
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1168 -ip 1168
                              1⤵
                                PID:3196
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 556 -ip 556
                                1⤵
                                  PID:2616

                                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\6rtAhTpeBh51.bat

                                  Filesize

                                  208B

                                  MD5

                                  8107c6d339bdc38a01590ab0470ce8e6

                                  SHA1

                                  e20ae2100ed78b74ce008dbfe8dbff380050c51c

                                  SHA256

                                  cf308b6cc22d26a20ef5a1278c44cf76039358aa5f4d930a7eac885f841fe328

                                  SHA512

                                  3428a9ac81fc2c2c2cba664b8b3acfd17610b9dad5e24dd41c91844aaea09bc0421538879a7078b29057b569207ba0bb1f66a9f006bd5458d0c4ecb470f39606

                                • C:\Users\Admin\AppData\Local\Temp\R69nzAcyPl0o.bat

                                  Filesize

                                  208B

                                  MD5

                                  ba2e8ee2e19a46bc4af2b5dae5a2d5f7

                                  SHA1

                                  2fefa4dcfd1055a86086b512edc3c4802bc68b6b

                                  SHA256

                                  43d6b402ac3293fb9282f588239ba1a86c90668e2835061342c5cb898323a2d6

                                  SHA512

                                  c6f2ee369b6a40d02682de954a088a476365c99b10d47f983b252e9e3f3273cef1d37b196dc8d92000bd75a8a58a9c8f662ae661faff8f9b5935879725fc98fa

                                • 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\01-01-2025

                                  Filesize

                                  224B

                                  MD5

                                  eb30dd072187e15225cd9f0b105e0869

                                  SHA1

                                  12a403f356153aa314eff4d8faaad9bd90f4482d

                                  SHA256

                                  abc89f713ccb601ba6684b90a5005af2f524f787e435190d62d0043f7f220b0c

                                  SHA512

                                  e3584f321e502535f48b6ae45b78e8dc30e7a6167bfe8660970df08ec9891274ab2a809017f17872508ff6aedd5655a78ef0d0f46121d31ec700966b632b9b02

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  a26fcb46c00bccab57c6070790fed150

                                  SHA1

                                  488fbe59a49701e97e21943c3936630b0dadee09

                                  SHA256

                                  a4225ccaf35832fcae0fea027a6dc444d2d44a97a4cd98b785da1ec7512817e5

                                  SHA512

                                  1ec12c9b8b1082bfc00fe97e04eb396f40b98bba421947a6133eb793b9e78ab7a1f06cd34f65c5cee327430d6f04b83a23a317fa77ca8212028fb3bc3e107d77

                                • memory/1428-72-0x0000000000340000-0x0000000000360000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1428-71-0x0000000000340000-0x0000000000360000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1428-77-0x0000000000340000-0x0000000000360000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/1480-45-0x0000000006610000-0x000000000661A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/2228-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/2228-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/3112-29-0x000000007335E000-0x000000007335F000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/3112-37-0x0000000006130000-0x000000000616C000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/3112-36-0x0000000005430000-0x0000000005442000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/3112-35-0x0000000004ED0000-0x0000000004F36000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/3112-34-0x0000000004F70000-0x0000000005002000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/3112-33-0x0000000005480000-0x0000000005A24000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/3112-30-0x0000000000460000-0x00000000004BE000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/3760-19-0x0000000003C40000-0x0000000003C41000-memory.dmp

                                  Filesize

                                  4KB