Analysis

  • max time kernel
    14s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2024 02:15

General

  • Target

    5535f55418f15b6d9b5a0b1ce0e188fa.exe

  • Size

    2.0MB

  • MD5

    5535f55418f15b6d9b5a0b1ce0e188fa

  • SHA1

    8ec5ef888cea7a6e26a2966567027729c59a5930

  • SHA256

    cfcd49d4cdda56c40650cd1a751cb2be9b4f4e679c8723586933638c2b8d369f

  • SHA512

    c910b20f5655a89064856c36cdc2a09a3170f4a63d9c0c5bcae7d20c8c2f457f7cfef1b343e3a28415e848508b70c353635d442833fac361723e08dd2b683b0d

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKYP:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YF

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 3 IoCs

    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 2 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.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Creates scheduled task(s) 1 TTPs 7 IoCs

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

  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5535f55418f15b6d9b5a0b1ce0e188fa.exe
    "C:\Users\Admin\AppData\Local\Temp\5535f55418f15b6d9b5a0b1ce0e188fa.exe"
    1⤵
    • Quasar RAT
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:4200
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
        • Maps connected drives based on registry
        PID:1208
    • C:\Users\Admin\AppData\Local\Temp\windef.exe
      "C:\Users\Admin\AppData\Local\Temp\windef.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2260
      • 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:3676
      • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
        3⤵
          PID:4344
          • 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:4712
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\22qZPYDPwqEG.bat" "
            4⤵
              PID:2340
              • C:\Windows\SysWOW64\chcp.com
                chcp 65001
                5⤵
                  PID:4640
                • C:\Windows\SysWOW64\PING.EXE
                  ping -n 10 localhost
                  5⤵
                  • Runs ping.exe
                  PID:3368
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:4412
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4344 -s 2308
                  4⤵
                  • Program crash
                  PID:1076
            • C:\Users\Admin\AppData\Local\Temp\5535f55418f15b6d9b5a0b1ce0e188fa.exe
              "C:\Users\Admin\AppData\Local\Temp\5535f55418f15b6d9b5a0b1ce0e188fa.exe"
              2⤵
                PID:2044
              • 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:4664
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4344 -ip 4344
              1⤵
                PID:996
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:4888
                  • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                    "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                    2⤵
                      PID:3420
                      • C:\Windows\system32\svchost.exe
                        C:\Windows\system32\svchost.exe -k
                        3⤵
                          PID:1960
                      • C:\Users\Admin\AppData\Local\Temp\windef.exe
                        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                        2⤵
                          PID:1272
                          • 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:1356
                          • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                            "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                            3⤵
                              PID:3460
                              • 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:5116
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\mJXGQirmCFZt.bat" "
                                4⤵
                                  PID:4752
                                  • C:\Windows\SysWOW64\chcp.com
                                    chcp 65001
                                    5⤵
                                      PID:1872
                                    • C:\Windows\SysWOW64\PING.EXE
                                      ping -n 10 localhost
                                      5⤵
                                      • Runs ping.exe
                                      PID:3988
                                    • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                      "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                                      5⤵
                                        PID:4308
                                        • 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:208
                                    • C:\Windows\SysWOW64\WerFault.exe
                                      C:\Windows\SysWOW64\WerFault.exe -u -p 3460 -s 2300
                                      4⤵
                                      • Program crash
                                      PID:1756
                                • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                                  "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                                  2⤵
                                    PID:2536
                                  • 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:4292
                                • C:\Windows\SysWOW64\WerFault.exe
                                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3460 -ip 3460
                                  1⤵
                                    PID:212

                                  Network

                                  MITRE ATT&CK Matrix ATT&CK v13

                                  Execution

                                  Scheduled Task/Job

                                  1
                                  T1053

                                  Persistence

                                  Scheduled Task/Job

                                  1
                                  T1053

                                  Privilege Escalation

                                  Scheduled Task/Job

                                  1
                                  T1053

                                  Discovery

                                  Query Registry

                                  3
                                  T1012

                                  System Information Discovery

                                  4
                                  T1082

                                  Peripheral Device Discovery

                                  2
                                  T1120

                                  Remote System Discovery

                                  1
                                  T1018

                                  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\Microsoft\CLR_v4.0_32\UsageLogs\winsock.exe.log
                                    Filesize

                                    701B

                                    MD5

                                    5de8527438c860bfa3140dc420a03e52

                                    SHA1

                                    235af682986b3292f20d8d71a8671353f5d6e16d

                                    SHA256

                                    d9d92cd6e7a4507912965138b8d1eabb3f188f4dfcb61115ee99dc2c0fd43a92

                                    SHA512

                                    77c3a774a2235c55ad520f1bf0c71fa3d3f0e7cf478a78e0d4dd6d253ee12a9859acc9ee822664467387788a2655a18373c8fcf08ea0d001549d3d4391b00bf8

                                  • C:\Users\Admin\AppData\Local\Temp\22qZPYDPwqEG.bat
                                    Filesize

                                    208B

                                    MD5

                                    d5e5d4132a333cfaf14574077c2b4571

                                    SHA1

                                    8c432a4d3f9082627d9d3bc6abd9363b6cc2057e

                                    SHA256

                                    552a5d9c60e416d6b630577c8b5466c217450610f64cc8b1fb62cad1662a1e58

                                    SHA512

                                    2a53a5e2b7639138fd991ec6ca6a6d4c59d9353f9c5d5df09c369eb680fe70babb96f8843c638fa297487d85594136f82def80f6e7beba573b8a8fc2b6e25ce0

                                  • C:\Users\Admin\AppData\Local\Temp\mJXGQirmCFZt.bat
                                    Filesize

                                    208B

                                    MD5

                                    02ae7ab480815c344bb8b31a69b95812

                                    SHA1

                                    c98babc3fc209f34d5e354bdf1f088059d367c73

                                    SHA256

                                    eb57c6169a79f00aab5976f5f0fa64c2b5b8b3876191a868d395f7166e1486fc

                                    SHA512

                                    e07719aad0e37fe939a25c871c0ac0209b69ec4cb6c8fd6648cf5734dc8ae800db9c2e01539f70fed629030ab74d9b76e50aa2d07a4748526d9fc6f1a0859aee

                                  • 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\01-12-2024
                                    Filesize

                                    224B

                                    MD5

                                    924ef3e14f90ce3d7d8629615d37f765

                                    SHA1

                                    656a7b8a18d3ea30f58b5cb6333e52d8b42a908f

                                    SHA256

                                    4b65b4b7cd19e4f31df40002e1ed91953efcdedb58c3103018f894c3ab56d2ef

                                    SHA512

                                    f9f22fe1af7a42a9b7eadbc40d21328a830bbd70a533e843bb767cb9655dae7f96372c095c2039d4e17570cdcc4f701b7fd9fc02c832889b7e8d507bcffaf232

                                  • C:\Users\Admin\AppData\Roaming\Logs\01-12-2024
                                    Filesize

                                    224B

                                    MD5

                                    0c9a3aa00ab8ffbf81b1bf89250ca418

                                    SHA1

                                    7230b9fbe73c4f2d4c969747210a3cebec71f0c3

                                    SHA256

                                    d0dddb0846cba956a5abe643b46c08176a8f774311a4b2713499b0233c9ec70d

                                    SHA512

                                    01a933cb8968d11694a76bdc807b813a287dcfcebbd0d304602d3fd58b03d557724ac5e895c6b45248c72d3f697e4e3653e4ef18bfea22a1a790a14d69ea31d2

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

                                    2.0MB

                                    MD5

                                    6c83f51bcd49aa9fe01919b71622980c

                                    SHA1

                                    0553dbe44bccfdf1c1f186ec082dc3598da48627

                                    SHA256

                                    020f9c036dabeb829b75b476a314f5a48b74fe34e213309aaba277c531b07050

                                    SHA512

                                    37ceea7c536182d96e7f084fc661cf2bf021f77560d4ec8884c048e48fcff826c41a1858bb566dd0c04a42748f719738d97a72d626a62dca49a06e92aa454a9d

                                  • memory/1208-35-0x0000000000DC0000-0x0000000000E5C000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1208-31-0x0000000000E60000-0x0000000000E61000-memory.dmp
                                    Filesize

                                    4KB

                                  • memory/1208-30-0x0000000000DC0000-0x0000000000E5C000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1208-57-0x0000000000DC0000-0x0000000000E5C000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1272-117-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/1272-97-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/1960-89-0x0000000000330000-0x00000000003CC000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1960-88-0x0000000000330000-0x00000000003CC000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1960-87-0x00000000003D0000-0x00000000003D1000-memory.dmp
                                    Filesize

                                    4KB

                                  • memory/1960-118-0x0000000000330000-0x00000000003CC000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/1960-93-0x0000000000330000-0x00000000003CC000-memory.dmp
                                    Filesize

                                    624KB

                                  • memory/2044-28-0x0000000000400000-0x0000000000420000-memory.dmp
                                    Filesize

                                    128KB

                                  • memory/2044-19-0x0000000000400000-0x0000000000420000-memory.dmp
                                    Filesize

                                    128KB

                                  • memory/2260-42-0x0000000005790000-0x00000000057A0000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/2260-39-0x0000000000CE0000-0x0000000000D3E000-memory.dmp
                                    Filesize

                                    376KB

                                  • memory/2260-36-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/2260-40-0x0000000005C00000-0x00000000061A4000-memory.dmp
                                    Filesize

                                    5.6MB

                                  • memory/2260-41-0x00000000057A0000-0x0000000005832000-memory.dmp
                                    Filesize

                                    584KB

                                  • memory/2260-44-0x0000000006650000-0x0000000006662000-memory.dmp
                                    Filesize

                                    72KB

                                  • memory/2260-53-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/2260-43-0x0000000005940000-0x00000000059A6000-memory.dmp
                                    Filesize

                                    408KB

                                  • memory/2260-45-0x0000000006A90000-0x0000000006ACC000-memory.dmp
                                    Filesize

                                    240KB

                                  • memory/3460-116-0x0000000005010000-0x0000000005020000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/3460-121-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/3460-127-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/3460-122-0x0000000005010000-0x0000000005020000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/3460-115-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4308-129-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4308-130-0x0000000005860000-0x0000000005870000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/4308-133-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4308-134-0x0000000005860000-0x0000000005870000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/4344-58-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4344-56-0x0000000006C50000-0x0000000006C5A000-memory.dmp
                                    Filesize

                                    40KB

                                  • memory/4344-54-0x0000000005470000-0x0000000005480000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/4344-52-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4344-70-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4412-64-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4412-65-0x0000000004F60000-0x0000000004F70000-memory.dmp
                                    Filesize

                                    64KB

                                  • memory/4412-68-0x0000000072CF0000-0x00000000734A0000-memory.dmp
                                    Filesize

                                    7.7MB

                                  • memory/4980-20-0x0000000003A40000-0x0000000003A41000-memory.dmp
                                    Filesize

                                    4KB