Analysis

  • max time kernel
    150s
  • max time network
    158s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 17:30

General

  • Target

    bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38.exe

  • Size

    228KB

  • MD5

    84e9bb864348a36e838ae93a180b2e9c

  • SHA1

    8c4ba31cac745bf2fa7ec2d9dca56f9adaee5a77

  • SHA256

    bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38

  • SHA512

    d3c7465095a7664bb35e1a4ce660e015d2e99f4397db678b8bda405443d300e2a343963823ca9764660b99a7292ac4a0dcad7953c237bf844ece0337878120ac

  • SSDEEP

    3072:N55vchVZLzcnyCue3rWQWGIahvXvo/iCai1OGDmDlTsHGcu8NEg8Q/nxXI3hkn:N70ZCfXvIzMemRTsHxuFIxXkhS

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

http://www.klkjwre9fqwieluoi.info/

http://kukutrustnet777888.info/

Signatures

  • Modifies firewall policy service 2 TTPs 6 IoCs
  • Sality

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

  • UAC bypass 3 TTPs 2 IoCs
  • Windows security bypass 2 TTPs 12 IoCs
  • Disables RegEdit via registry modification 2 IoCs
  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • UPX packed file 7 IoCs

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

  • Deletes itself 1 IoCs
  • Loads dropped DLL 9 IoCs
  • Windows security modification 2 TTPs 7 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 28 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 56 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1220
      • C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38.exe
        "C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38.exe"
        2⤵
        • Modifies firewall policy service
        • UAC bypass
        • Windows security bypass
        • Disables RegEdit via registry modification
        • Loads dropped DLL
        • Windows security modification
        • Checks whether UAC is enabled
        • Enumerates connected drives
        • Drops file in Windows directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • System policy modification
        PID:1952
        • C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe
          C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe
          3⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1048
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1048 -s 128
            4⤵
            • Modifies firewall policy service
            • UAC bypass
            • Windows security bypass
            • Disables RegEdit via registry modification
            • Deletes itself
            • Loads dropped DLL
            • Enumerates connected drives
            • Drops autorun.inf file
            • Drops file in Program Files directory
            • Program crash
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1108
    • C:\Windows\system32\Dwm.exe
      "C:\Windows\system32\Dwm.exe"
      1⤵
        PID:1176
      • C:\Windows\system32\taskhost.exe
        "taskhost.exe"
        1⤵
          PID:1124

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • C:\Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • C:\Windows\SYSTEM.INI

          Filesize

          255B

          MD5

          1037d76c5b3c524e62dc2e99a4c977a0

          SHA1

          84a047fc8a0bd854c15d829789668d19b69433ed

          SHA256

          598566f72923e2930381149a3b6084f7ae7b01374657b7522f2fbed9385f268a

          SHA512

          dfb76e415a9be58696d7039a80fe73f27dd1a6ad52d1a3add9fe3c9d7cd6a945f6219a3add26381afa36dd6ba1b1084930ecaf8845ae88a587b6f19484499ea8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • \Users\Admin\AppData\Local\Temp\bf3a70d9b2f71b9e2209ef2bb5dd77f30298db354fdf40121bc71171e387ca38mgr.exe

          Filesize

          84KB

          MD5

          a6ee7aab6b8f8268bf9eb763949d5c8b

          SHA1

          4600e17eb8fa4a11170aaa2c54d98126e58290e0

          SHA256

          9030a2ec813b5a70b898aacd81378c941bc5f62e78cc1a958f93106ede81228c

          SHA512

          00569ed578d3f0b535b0c17dc131131e4aaf73b8b5235c70fcf8de649e8a942f48a013e8c687c6abab05a8f7516dabed41309da6ce7c9eb26992183e4794afb8

        • memory/1048-73-0x0000000000130000-0x0000000000132000-memory.dmp

          Filesize

          8KB

        • memory/1048-80-0x0000000000130000-0x0000000000132000-memory.dmp

          Filesize

          8KB

        • memory/1108-81-0x0000000000150000-0x0000000000152000-memory.dmp

          Filesize

          8KB

        • memory/1108-84-0x0000000003600000-0x000000000468E000-memory.dmp

          Filesize

          16.6MB

        • memory/1108-87-0x0000000003600000-0x000000000468E000-memory.dmp

          Filesize

          16.6MB

        • memory/1108-86-0x0000000003600000-0x000000000468E000-memory.dmp

          Filesize

          16.6MB

        • memory/1108-74-0x0000000000150000-0x0000000000152000-memory.dmp

          Filesize

          8KB

        • memory/1108-75-0x0000000001D20000-0x0000000001D22000-memory.dmp

          Filesize

          8KB

        • memory/1952-79-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/1952-59-0x00000000753C1000-0x00000000753C3000-memory.dmp

          Filesize

          8KB

        • memory/1952-60-0x0000000000720000-0x00000000017AE000-memory.dmp

          Filesize

          16.6MB

        • memory/1952-82-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1952-83-0x0000000000720000-0x00000000017AE000-memory.dmp

          Filesize

          16.6MB

        • memory/1952-71-0x0000000000720000-0x00000000017AE000-memory.dmp

          Filesize

          16.6MB

        • memory/1952-78-0x0000000000720000-0x00000000017AE000-memory.dmp

          Filesize

          16.6MB

        • memory/1952-72-0x0000000000310000-0x0000000000312000-memory.dmp

          Filesize

          8KB

        • memory/1952-70-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB