Analysis

  • max time kernel
    6s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2024 13:08

General

  • Target

    553ac211285c7ab62f50764e7fc26a5e_JaffaCakes118.exe

  • Size

    2.0MB

  • MD5

    553ac211285c7ab62f50764e7fc26a5e

  • SHA1

    63109ca6885596a991cdf693b6e468d149e06db6

  • SHA256

    d57f782a15b22e881c9b445952c976a77ff2bf851e8d9e9e057ec7622954413a

  • SHA512

    c3fd92b194c74a2900e3597ab4623703b1b9b5f506e36ada63871dc5e5a253bfb974e2076cfab70505cad706916f05f17128a3a496c1bbebbd7a38543da4ad22

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY2:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9Ys

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.

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • 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 3 IoCs
  • Creates scheduled task(s) 1 TTPs 5 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • 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\553ac211285c7ab62f50764e7fc26a5e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\553ac211285c7ab62f50764e7fc26a5e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:8
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:4988
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 548
          3⤵
          • Program crash
          PID:3000
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1504
        • 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⤵
          • Creates scheduled task(s)
          PID:1204
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:5096
          • 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⤵
            • Creates scheduled task(s)
            PID:2796
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5lONcFZGkP4Q.bat" "
            4⤵
              PID:8
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4540
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:4748
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:3080
                    • 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⤵
                      • Creates scheduled task(s)
                      PID:3180
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 2220
                  4⤵
                  • Program crash
                  PID:3912
            • C:\Users\Admin\AppData\Local\Temp\553ac211285c7ab62f50764e7fc26a5e_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\553ac211285c7ab62f50764e7fc26a5e_JaffaCakes118.exe"
              2⤵
                PID:4548
              • 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⤵
                • Creates scheduled task(s)
                PID:4464
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 8 -ip 8
              1⤵
                PID:3792
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:1268
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3124
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:3200
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 3124 -s 520
                          3⤵
                          • Program crash
                          PID:4716
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:2040
                        • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                          "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                          2⤵
                            PID:4832
                          • 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⤵
                            • Creates scheduled task(s)
                            PID:4896
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3124 -ip 3124
                          1⤵
                            PID:4348
                          • C:\Windows\SysWOW64\WerFault.exe
                            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 5096 -ip 5096
                            1⤵
                              PID:3520
                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                              1⤵
                                PID:4320
                              • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                1⤵
                                  PID:3960

                                Network

                                MITRE ATT&CK Enterprise v15

                                Replay Monitor

                                Loading Replay Monitor...

                                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\5lONcFZGkP4Q.bat

                                  Filesize

                                  208B

                                  MD5

                                  5eab9b1df79e460342b77d2b6b214df1

                                  SHA1

                                  4cd7d0aabe02dadbcab24ebb5d7106f6b195d3ca

                                  SHA256

                                  249aaa1887fb7cf7c7cfad3fde43a1e78395e150b1bdddd880a21d73415f84d4

                                  SHA512

                                  693e0c0c10c5cffa3446e5f211fd07a0990f8490030f308045b8d614f8db043d1ae9493bafc278cb54a8f4f56cadd6fe7e1aec1ddcb9af57c837d328b4136c1b

                                • 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\03-31-2024

                                  Filesize

                                  224B

                                  MD5

                                  7252aa5ba4f32cb6e29637aa01045a17

                                  SHA1

                                  faf42c8d57e8e60e5a0c7454c481eb7c9429e5be

                                  SHA256

                                  b3dcf4e283f6fe2ced654b7f2b5bf9d88679664625bfc4341711bf6a46ee6586

                                  SHA512

                                  fb7b611ca4dffaab6d5c8659f706f5ba59535727b19022760251ad32fcd041cd335111d132c1842c264c6b35303f2d90e8d00fd622d8aef8b67bd2719f45ade5

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

                                  Filesize

                                  2.0MB

                                  MD5

                                  f9655c30d300e6f57388d6ea8ca285bc

                                  SHA1

                                  69b7f9b1b6b2be1342040a71ad2e4cec35823534

                                  SHA256

                                  22b9dd9827c5b511e305a24a9985b8012d353bf0552ce679cd10c496b468c343

                                  SHA512

                                  359bf1ae49d105810f6086095edf81d3054ee1c0e083e858d4bfb6176657c5c819fafbd916445dbc6cfabdbb3ebec2f636b0911ac27c850a4958947289581062

                                • memory/1380-19-0x0000000004120000-0x0000000004121000-memory.dmp

                                  Filesize

                                  4KB

                                • memory/1504-46-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/1504-30-0x0000000000CF0000-0x0000000000D4E000-memory.dmp

                                  Filesize

                                  376KB

                                • memory/1504-35-0x0000000005640000-0x0000000005650000-memory.dmp

                                  Filesize

                                  64KB

                                • memory/1504-36-0x00000000056F0000-0x0000000005756000-memory.dmp

                                  Filesize

                                  408KB

                                • memory/1504-37-0x0000000005A80000-0x0000000005A92000-memory.dmp

                                  Filesize

                                  72KB

                                • memory/1504-38-0x0000000006870000-0x00000000068AC000-memory.dmp

                                  Filesize

                                  240KB

                                • memory/1504-34-0x0000000005650000-0x00000000056E2000-memory.dmp

                                  Filesize

                                  584KB

                                • memory/1504-33-0x0000000005AC0000-0x0000000006064000-memory.dmp

                                  Filesize

                                  5.6MB

                                • memory/1504-29-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/2040-85-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/2040-71-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/2040-73-0x0000000004E60000-0x0000000004E70000-memory.dmp

                                  Filesize

                                  64KB

                                • memory/3080-96-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/3080-93-0x00000000059F0000-0x0000000005A00000-memory.dmp

                                  Filesize

                                  64KB

                                • memory/3080-92-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/4548-28-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/4548-20-0x0000000000400000-0x0000000000420000-memory.dmp

                                  Filesize

                                  128KB

                                • memory/5096-72-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/5096-90-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/5096-45-0x0000000072C00000-0x00000000733B0000-memory.dmp

                                  Filesize

                                  7.7MB

                                • memory/5096-74-0x0000000004E40000-0x0000000004E50000-memory.dmp

                                  Filesize

                                  64KB

                                • memory/5096-49-0x0000000006300000-0x000000000630A000-memory.dmp

                                  Filesize

                                  40KB

                                • memory/5096-47-0x0000000004E40000-0x0000000004E50000-memory.dmp

                                  Filesize

                                  64KB