Analysis

  • max time kernel
    1s
  • max time network
    90s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-12-2023 01:19

General

  • Target

    f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153.exe

  • Size

    2.0MB

  • MD5

    2e9ba9334449304220a549e7a75447f4

  • SHA1

    791d1648ee703e05b4749fcb99c8f45692e73787

  • SHA256

    f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153

  • SHA512

    91f5e99e4e69ece69f1eb4a72b69bf77e42092ad2bb40d6f480768148a2490f3bf747b507b3a52446d60eb53373f7f3b64d16fe1993e58dd10ec0430cf91bcff

  • SSDEEP

    24576:su6J33O0c+JY5UZ+XC0kGso6FaI1IXgM6YmenKKSUlmDaGJTA4Pqa6jUvOkQwKY1:2u0c++OCvkGs9Fap5aLKLkDl+dUvO9YL

Malware Config

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

Extracted

Family

azorult

C2

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

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 11 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 1 IoCs

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

  • AutoIT Executable 3 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
  • Creates scheduled task(s) 1 TTPs 4 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 WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153.exe
    "C:\Users\Admin\AppData\Local\Temp\f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153.exe"
    1⤵
    • Checks computer location settings
    • Enumerates connected drives
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1532
    • 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:2908
      • C:\Windows\system32\svchost.exe
        C:\Windows\system32\svchost.exe -k
        3⤵
          PID:2156
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2908 -s 548
          3⤵
          • Program crash
          PID:4020
      • C:\Users\Admin\AppData\Local\Temp\windef.exe
        "C:\Users\Admin\AppData\Local\Temp\windef.exe"
        2⤵
        • Executes dropped EXE
        PID:1828
        • 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:396
        • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
          "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
          3⤵
            PID:4404
            • 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:4884
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 2248
              4⤵
              • Program crash
              PID:3108
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5J8alO7Lncia.bat" "
              4⤵
                PID:1656
                • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                  "C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe"
                  5⤵
                    PID:1356
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 1356 -s 812
                      6⤵
                      • Program crash
                      PID:3352
            • C:\Users\Admin\AppData\Local\Temp\f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153.exe
              "C:\Users\Admin\AppData\Local\Temp\f859bddda5d049e5449032b8a4373515a6a06cbc2019f9fc1c0c269ba4d90153.exe"
              2⤵
                PID:3728
              • 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:4792
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2908 -ip 2908
              1⤵
                PID:2168
              • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                1⤵
                  PID:2440
                  • C:\Users\Admin\AppData\Local\Temp\windef.exe
                    "C:\Users\Admin\AppData\Local\Temp\windef.exe"
                    2⤵
                      PID:64
                    • C:\Users\Admin\AppData\Local\Temp\vnc.exe
                      "C:\Users\Admin\AppData\Local\Temp\vnc.exe"
                      2⤵
                        PID:2216
                      • 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:1248
                      • C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe
                        "C:\Users\Admin\btpanui\SystemPropertiesPerformance.exe"
                        2⤵
                          PID:4504
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2216 -ip 2216
                        1⤵
                          PID:4600
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 2216 -s 520
                          1⤵
                          • Program crash
                          PID:440
                        • C:\Windows\system32\svchost.exe
                          C:\Windows\system32\svchost.exe -k
                          1⤵
                            PID:2180
                          • C:\Windows\SysWOW64\chcp.com
                            chcp 65001
                            1⤵
                              PID:3100
                            • C:\Windows\SysWOW64\PING.EXE
                              ping -n 10 localhost
                              1⤵
                              • Runs ping.exe
                              PID:3940
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4404 -ip 4404
                              1⤵
                                PID:1148
                              • C:\Windows\SysWOW64\WerFault.exe
                                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1356 -ip 1356
                                1⤵
                                  PID:3468
                                • C:\Windows\system32\dwm.exe
                                  "dwm.exe"
                                  1⤵
                                    PID:2216
                                  • C:\Windows\system32\dwm.exe
                                    "dwm.exe"
                                    1⤵
                                      PID:3100
                                    • C:\Windows\system32\dwm.exe
                                      "dwm.exe"
                                      1⤵
                                        PID:1124
                                      • C:\Windows\system32\dwm.exe
                                        "dwm.exe"
                                        1⤵
                                          PID:3476
                                        • C:\Windows\system32\dwm.exe
                                          "dwm.exe"
                                          1⤵
                                            PID:2248
                                          • C:\Windows\system32\dwm.exe
                                            "dwm.exe"
                                            1⤵
                                              PID:4924
                                            • C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe
                                              "C:\Program Files\Common Files\Microsoft Shared\ClickToRun\OfficeClickToRun.exe" /service
                                              1⤵
                                                PID:528

                                              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

                                              2
                                              T1012

                                              System Information Discovery

                                              3
                                              T1082

                                              Peripheral Device Discovery

                                              1
                                              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\Temp\5J8alO7Lncia.bat
                                                Filesize

                                                208B

                                                MD5

                                                9485ebce9af3ebe7498527ac0d35f83b

                                                SHA1

                                                ae2ee8f396ca237264adb2b944098f57e12be921

                                                SHA256

                                                5c3b2d42c5d99a79c735c3b9e3cf95b33b36d22e290e61def60845eeaac3242b

                                                SHA512

                                                0646bea606c9d432fe6d7e73c6cd2f7dc2e116294b87aee071ea8afa7509f6fb7787826184501e96f8e9743c4616e18e0e936738b9215534a23e3ef2e467319b

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

                                                116KB

                                                MD5

                                                b9deda657c46330ea548cc80ff775141

                                                SHA1

                                                3bf07ac911fb26d786485d6b3afac99255006eb2

                                                SHA256

                                                bba237473bc202409df3769cb0a2d4c917376834b4c5825442ff7002b9ee11e1

                                                SHA512

                                                ee6c461118fd84812b152cda8b936dc6da6adbd08e7eac234989858185fd01904208bf9f83a4fbeaad08ca5c96ccfb6a9e2f8b69f7a0801db65c130e33e72ce6

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

                                                100KB

                                                MD5

                                                d3f6086e491bc1f8c8a647c792842354

                                                SHA1

                                                58a0c949a07f13944d4bff5f6cbaf25c02a3edf1

                                                SHA256

                                                d18ca41c5577c87aea524ee646f184c70881a400d061e8965fb29e40161ec793

                                                SHA512

                                                54b4083631588ed687eb06e2737d8d834c6b75926dc675906b7c63ce9707cbbc5b9d075a08dc174b68d83d18c3bec88933cbd0d2f9ff352c7debf7edc3ad14bf

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

                                                23KB

                                                MD5

                                                6aedf91a23c11318bca4391e1410c9a0

                                                SHA1

                                                f7a006bef76671f220fc00d94c56304fde7af561

                                                SHA256

                                                4e90bdbbfd9a4f44bb1a93f3bac0c4de46f60d24a33c4e90951dae65075a47fb

                                                SHA512

                                                f1d9ae1cf37d08069cb66f2817ba0f5b88d9f0b7655bfb4f0763b84d6cc4a303a2e271c7b9a42ee9ec90a3ffc11c76b18eedab59e0628c87ee589212939ac126

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

                                                13KB

                                                MD5

                                                43a00d14950ab03f7bcd6847144bd50e

                                                SHA1

                                                bff99ebe9f5ab0793870e467a9e9c181e6bc1c3b

                                                SHA256

                                                c21bcd97e6dda1cec560b5919ab4f54b75a0799d3693f88c8ce2b2ef683dab47

                                                SHA512

                                                7cf90e5d10e0a455e91eaff4abff7f192d539a98b488e746b98e79e74bbec550ba026ef873ef9ed906948d079d24e2578cc22362cf76c793d9f13322f7fada1c

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

                                                1KB

                                                MD5

                                                b6779b450dc4cb9507a2f2519b6d6fc5

                                                SHA1

                                                5c01b12f8fefc3705a365709c45813c235b8788b

                                                SHA256

                                                6d5ec8bddf24886ce1fe545ef526b1a45c89b237350efca6fba15402a004b7f1

                                                SHA512

                                                7d939fbb32c44bbcc0d16fdb4d03d531ec79d2f5a3c83e0361f20e6a500d8e5a41616a1db7654aed1707a2d6254b870f590aad6818b08bd96064664b0bfcab31

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

                                                4KB

                                                MD5

                                                2894a576b5dba7b6dd67bd2a0f674816

                                                SHA1

                                                b89652b1e8d6e561e613fccc5f282c9acca04ab8

                                                SHA256

                                                1a9790b457e259c03b5c5bfe8b3870b2f8fecbbe72d9e65f4df243be7ce6b854

                                                SHA512

                                                9437a75515e0f0fa2dd2e85611b5e8ff1c9ba2ed8b97283e689b837a24096c5459ae74b5f1bbe14584f57391ae77b0596ce666638836f4519ea324f4f49807f5

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

                                                349KB

                                                MD5

                                                b4a202e03d4135484d0e730173abcc72

                                                SHA1

                                                01b30014545ea526c15a60931d676f9392ea0c70

                                                SHA256

                                                7050608d53f80269df951d00883ed79815c060ce7678a76b5c3f6a2a985beea9

                                                SHA512

                                                632a035a3b722ea29b02aad1f0da3df5bdc38abc7e6617223790955c6c0830f1070b528680416d5c63ea5e846074cdad87f06c21c35a77b1ccc4edc089d8b1fb

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

                                                98KB

                                                MD5

                                                1ee0091760ba5c48d65dc140cafed92c

                                                SHA1

                                                3c85490ae1b424735a5bf37e316f05c6710d63b6

                                                SHA256

                                                80e1bfaa7a336c5bc7f3f109fc94b8ec80fdea610fbf4c14dfec56a0d8a08957

                                                SHA512

                                                f167dbb364125829286751c3151eeaebbd7e0a0c1d7763e06e904054ac75e33f79af2946eedbb7b4d7bba6a5c926b602520bbf7e045e18c9dcc0e0e790160a28

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

                                                34KB

                                                MD5

                                                7122d11caae8ae95634b0495fc117208

                                                SHA1

                                                1f2d90ef06b7dbc0e4ab6f2deee7a8402a9104c2

                                                SHA256

                                                55ade396708029bbd330f4ff424db1b0ed475bccb386912c2c7460375cc400f8

                                                SHA512

                                                7742e86e2e10cf687f294906585de4eaaecbd56647d1430e102b6219450151715015f8144e0c281b41de88cbea89b8e79d1bcf4950036f6cbb5ee30cbec83e0d

                                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                                Filesize

                                                342KB

                                                MD5

                                                1af241f1bf0d7aa8e490828886a1a264

                                                SHA1

                                                2944b7ec128e7614087d79db2aeed07aef845857

                                                SHA256

                                                8933cf95f4830679cdb060ab7a878e9525aca3f8433b599f90ac1f0137c515ee

                                                SHA512

                                                c357ed29c47030342326e0c92b227cd8468170ab3869ec19336a0d4f20ab0dda2854ae3bdf7d78c423828a61b19b85e5ba623b5cc6b48971c8ca042fde5bed78

                                              • C:\Users\Admin\AppData\Roaming\SubDir\winsock.exe
                                                Filesize

                                                45KB

                                                MD5

                                                eaaf7fd015b3ffc040f40448b00fdc28

                                                SHA1

                                                132726bdede921883f3d9c49cc4ebb8e4750a58b

                                                SHA256

                                                2d57d8aa5e745144f6619ac41aab6caf10c963b87ea43a5aec1a0d3b9a5b4060

                                                SHA512

                                                f9bb9c4ac7be31c6c77cee574a191b810f5c90d7e93d045dbe5cc59bd3d33dcdbd9ff4c5257f7a012dc60ddcac90b0e95956e6a7ae08c03d9f741870884990da

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

                                                71KB

                                                MD5

                                                103d38314ff61da2f5e507e72f2d625a

                                                SHA1

                                                90a4c2bd8e228c006e3d860e54cc406019c47608

                                                SHA256

                                                a1853386cf42da50e9fa3f6ddeb298fb4ef8a199344e00876201adf9ca1036aa

                                                SHA512

                                                a0068b583f71f90786e887cec31ccabd777de3ad35991dec2e7cfc7198c5646a220c712cc0bebaf8c74f4f707f9d0289876d5f7830d0de4a94991f5bc9954fed

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

                                                99KB

                                                MD5

                                                a6ba3af1a2def3e654689d62c49e3140

                                                SHA1

                                                20a6cf39be6b9fcc137006bc3d99a079f29d13f7

                                                SHA256

                                                a5634e24cd2c72b5d62581085a1aaeec59ff064002d606393ca0ff6f381922a1

                                                SHA512

                                                5fbdaf53c43fbb8860e7024327da069bcaa9692ea29a79995646d5a2d46407142c2b45fd897b002e962fa7c45143d16e21eef37edebfd5889fe52149fc61a372

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

                                                40KB

                                                MD5

                                                dfd7fa5dc5f1937c553530bf51cd4502

                                                SHA1

                                                fe135620e72e39a7538e553f31ce661cd547f3fd

                                                SHA256

                                                d35cbc9c961011d321cc0266dff8b7e60d8e65b1eae565b26947d3abb3fed0f0

                                                SHA512

                                                bdca49cad3a311eb6ce100d4e098e9cce94abcc2ed2c08c317c19af0d98dd4ce11f6d76c20401cd462cc6336e7b0381e5229ef90d4053f46fb5f9b1e874914da

                                              • memory/64-71-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/64-73-0x0000000005290000-0x00000000052A0000-memory.dmp
                                                Filesize

                                                64KB

                                              • memory/64-85-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/1356-92-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/1532-21-0x0000000004150000-0x0000000004151000-memory.dmp
                                                Filesize

                                                4KB

                                              • memory/1828-26-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/1828-35-0x0000000004EF0000-0x0000000004F00000-memory.dmp
                                                Filesize

                                                64KB

                                              • memory/1828-24-0x00000000004C0000-0x000000000051E000-memory.dmp
                                                Filesize

                                                376KB

                                              • memory/1828-45-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/1828-31-0x0000000005380000-0x0000000005924000-memory.dmp
                                                Filesize

                                                5.6MB

                                              • memory/1828-38-0x0000000006270000-0x00000000062AC000-memory.dmp
                                                Filesize

                                                240KB

                                              • memory/1828-37-0x0000000005D30000-0x0000000005D42000-memory.dmp
                                                Filesize

                                                72KB

                                              • memory/1828-34-0x0000000004F00000-0x0000000004F92000-memory.dmp
                                                Filesize

                                                584KB

                                              • memory/1828-36-0x0000000004E40000-0x0000000004EA6000-memory.dmp
                                                Filesize

                                                408KB

                                              • memory/3728-30-0x0000000000400000-0x0000000000420000-memory.dmp
                                                Filesize

                                                128KB

                                              • memory/3728-19-0x0000000000400000-0x0000000000420000-memory.dmp
                                                Filesize

                                                128KB

                                              • memory/4404-49-0x0000000006710000-0x000000000671A000-memory.dmp
                                                Filesize

                                                40KB

                                              • memory/4404-72-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/4404-81-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
                                                Filesize

                                                64KB

                                              • memory/4404-46-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/4404-90-0x0000000072D30000-0x00000000734E0000-memory.dmp
                                                Filesize

                                                7.7MB

                                              • memory/4404-47-0x0000000004EC0000-0x0000000004ED0000-memory.dmp
                                                Filesize

                                                64KB