Analysis

  • max time kernel
    43s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    30-08-2022 19:17

General

  • Target

    15dc24479d7702bcfad920152777d902.exe

  • Size

    356KB

  • MD5

    15dc24479d7702bcfad920152777d902

  • SHA1

    651533cbf31eb1b36f9594e4ad75d4c3c7b0ecd3

  • SHA256

    47b3817091fe9396c6bc021d6b277cbcc68d671f1c090e169ce4690c4ff485c3

  • SHA512

    a2543b0ce3579b0f9abbbc23aa8e257028b0f903a5af824ea51df7a02de0f709620aedec6d2ecb57e1824b3508ae0e2530ef96c3bdc6fab4175399181e03a8b2

  • SSDEEP

    6144:EyH7xOc6H5c6HcT66vlml/SI01Jq3ggxDDwCkTTgPnpTjf5ku3mlZiBurgIu7wrF:EagCkDJpTjRkugiErwI5

Malware Config

Extracted

Family

sality

C2

http://89.119.67.154/testo5/

http://kukutrustnet777.info/home.gif

http://kukutrustnet888.info/home.gif

http://kukutrustnet987.info/home.gif

Signatures

  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Sality

    Sality is backdoor written in C++, first discovered in 2003.

  • UAC bypass 3 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Executes dropped EXE 3 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 1 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 21 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1416
      • C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe
        "C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe"
        2⤵
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\svchost.exe
          "C:\Windows\svchost.exe" "C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2044
          • C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe
            "C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe"
            4⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Executes dropped EXE
            • Windows security modification
            • Checks whether UAC is enabled
            • Drops file in Windows directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            • System policy modification
            PID:1168
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1368
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1268
        • C:\Windows\svchost.exe
          C:\Windows\svchost.exe
          1⤵
          • Executes dropped EXE
          PID:1540

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Modify Existing Service

        1
        T1031

        Privilege Escalation

        Bypass User Account Control

        1
        T1088

        Defense Evasion

        Modify Registry

        5
        T1112

        Bypass User Account Control

        1
        T1088

        Disabling Security Tools

        3
        T1089

        Discovery

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe
          Filesize

          320KB

          MD5

          90fcb8d817c93eb0e8cf9f04832fec71

          SHA1

          10856992d853f5769fadadec4006e0cb0378c67b

          SHA256

          732d9c295e5c1053c390899726253d1aabac30b16b8c4a90d7ef0ba77cb60aed

          SHA512

          2ae5f0fc1eee52303f951f306f203eaabec84d0f6bf32f08a4a5703ab0f1ca98a487e1275dc44723fe2362ae2c2e681e892e97b28b19b9c46de24a3f4c787766

        • C:\Windows\svchost.exe
          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • C:\Windows\svchost.exe
          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • C:\Windows\svchost.exe
          Filesize

          35KB

          MD5

          83b4da0c5e91e676c355a34ad0fe73da

          SHA1

          09322303503ed0a70613110ca72e1bc790348882

          SHA256

          5ad575dccfe237328de529ea01d57917c5d639ed0d8454a01af98aaea9724110

          SHA512

          20183c78adbabf88ac8999521cc3e1884215f78c264f06cb017dd8749b995adc96559c5a9a39ecda3d2c34390cc5caf7dbf6b90b975d55e2ed129e1993eb5b08

        • \Users\Admin\AppData\Local\Temp\15dc24479d7702bcfad920152777d902.exe
          Filesize

          320KB

          MD5

          90fcb8d817c93eb0e8cf9f04832fec71

          SHA1

          10856992d853f5769fadadec4006e0cb0378c67b

          SHA256

          732d9c295e5c1053c390899726253d1aabac30b16b8c4a90d7ef0ba77cb60aed

          SHA512

          2ae5f0fc1eee52303f951f306f203eaabec84d0f6bf32f08a4a5703ab0f1ca98a487e1275dc44723fe2362ae2c2e681e892e97b28b19b9c46de24a3f4c787766

        • memory/1168-58-0x0000000000000000-mapping.dmp
        • memory/1168-60-0x0000000075A81000-0x0000000075A83000-memory.dmp
          Filesize

          8KB

        • memory/1168-61-0x0000000001DB0000-0x0000000002E6A000-memory.dmp
          Filesize

          16.7MB

        • memory/1168-63-0x0000000000400000-0x0000000000451000-memory.dmp
          Filesize

          324KB

        • memory/1168-64-0x0000000001DB0000-0x0000000002E6A000-memory.dmp
          Filesize

          16.7MB

        • memory/2044-54-0x0000000000000000-mapping.dmp