Analysis

  • max time kernel
    146s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/03/2024, 02:51

General

  • Target

    c4c94965c755833e8846d71c1a598836.exe

  • Size

    479KB

  • MD5

    c4c94965c755833e8846d71c1a598836

  • SHA1

    8cc4fb2df3607f00362616389fe8d465b31b7f65

  • SHA256

    e3cac3cdc0d51d2bd1bea300f379e5924419e052f096c785e87efc3f8d1e695f

  • SHA512

    a3fd6037f38f0ce7513f6aaa983aaa1d5b2d73df1e13fdc2b1b2d7797590dcbe641b7adfdf40fc905e79d8f1d6ab0f3ea07d327ff4a8e1b6a3df5e7ce2e5c2ed

  • SSDEEP

    12288:XqUiKzZXq1xqWXnIzE4hjnG2XqoRAvU5R63fWr:XqUzZZcojnGKqotRP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 7 IoCs
  • Loads dropped DLL 34 IoCs
  • UPX packed file 7 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Runs net.exe
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c4c94965c755833e8846d71c1a598836.exe
    "C:\Users\Admin\AppData\Local\Temp\c4c94965c755833e8846d71c1a598836.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Users\Admin\AppData\Local\Temp\ep.exe
      "C:\Users\Admin\AppData\Local\Temp\ep.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2904
    • C:\Users\Admin\AppData\Local\Temp\7za.exe
      C:\Users\Admin\AppData\Local\Temp\7za.exe x C:\Users\Admin\AppData\Local\Temp\a1.7z -aoa -oC:\Users\Admin\AppData\Local\Temp -plolmilf
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:2848
    • C:\Users\Admin\AppData\Local\Temp\ic9.exe
      "C:\Users\Admin\AppData\Local\Temp\ic9.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      PID:2644
    • C:\Users\Admin\AppData\Local\Temp\E4U.exe
      "C:\Users\Admin\AppData\Local\Temp\E4U.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:2592
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E4U.exe > nul
        3⤵
          PID:1692
      • C:\Users\Admin\AppData\Local\Temp\EuroP.exe
        "C:\Users\Admin\AppData\Local\Temp\EuroP.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:2976
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\Xvp..bat" > nul 2> nul
          3⤵
            PID:2944
        • C:\Users\Admin\AppData\Local\Temp\Gi.exe
          "C:\Users\Admin\AppData\Local\Temp\Gi.exe"
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2372
          • C:\Users\Admin\AppData\Local\Temp\geurge.exe
            C:\Users\Admin\AppData\Local\Temp\geurge.exe
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Enumerates connected drives
            • Modifies Internet Explorer settings
            • Suspicious use of SetWindowsHookEx
            PID:1944
          • C:\Windows\SysWOW64\net.exe
            net.exe stop "Security Center"
            3⤵
              PID:632
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop "Security Center"
                4⤵
                  PID:2172
              • C:\Windows\SysWOW64\sc.exe
                sc config wscsvc start= DISABLED
                3⤵
                • Launches sc.exe
                PID:1388
              • C:\Windows\SysWOW64\net.exe
                net.exe stop "Windows Firewall/Internet Connection Sharing (ICS)
                3⤵
                  PID:2084
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop "Windows Firewall/Internet Connection Sharing (ICS)
                    4⤵
                      PID:2016
                  • C:\Windows\SysWOW64\sc.exe
                    sc config SharedAccess start= DISABLED
                    3⤵
                    • Launches sc.exe
                    PID:2248
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c ""C:\tujserrew.bat""
                    3⤵
                      PID:676

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  121KB

                  MD5

                  b647db34c68c6dfa0f37c9758b98d7c8

                  SHA1

                  504f52f162fd36c6e28b8527b8799bd8a86ac3cf

                  SHA256

                  b47c0d289941c7ed378328bf463ac89e20fea68730f4e57e457bce106cba5812

                  SHA512

                  db1bcfd264d94165063a7308d7011b3b62f2f93ff7eb33240c1d3b185b47a098e4e919a88dc2b212ebb988128be954c5ebea4adf94187163d4cdf7e895314990

                • C:\Users\Admin\AppData\Local\Temp\Xvp..bat

                  Filesize

                  156B

                  MD5

                  0409d83b63abd89f94078ee412973aa2

                  SHA1

                  6a502a5acc8598437a742d5a0f84056ed25d5d15

                  SHA256

                  67bc9e3c95cfe47f4a94225e27b161d8d70dbea5c0a37c4e8a2b98cd4490151c

                  SHA512

                  268590394d0d84da0f83b4b51a96af50fe06dfe12c32976cb400815e44b94f1550e015b5bdd2addc30ded88a729ea5f17416ba7b5ddef3c237f846768e53b5ca

                • C:\Users\Admin\AppData\Local\Temp\a1.7z

                  Filesize

                  208KB

                  MD5

                  4aadfc3245e88c9e81ea9bd40186164f

                  SHA1

                  9bf5a169564c29b326c04068096cd46f6589cc09

                  SHA256

                  69df45e380ad8dba19b548fc7246016470d807d5e97027a0ecbe56f85aad4f0e

                  SHA512

                  0238f2f5a3279b3238e2a1db0f2fdd04430017db308f4ecd9aab9e8d5b29594f0aec7f0c83aef26d4c4390920af21b4935e4467f1e8c54348fdd0036306ed58d

                • C:\Users\Admin\AppData\Local\Temp\ic9.exe

                  Filesize

                  77KB

                  MD5

                  9e220e5984273ab1f28c6cd10f57dfbe

                  SHA1

                  85f5bf19e940efd0999ff91aad4b3762811908b3

                  SHA256

                  8617a2212d514d3c23c3cbd9c8d0bcd67540d73fe53ff1891190c40f229e5854

                  SHA512

                  98f04dcd7a70fd1c3e43f006ef2cb94963f6aee8f16061be52f745bf5a3e7e448b371f41d817ad64454f73d8650c99e3df5c5e143a1b1c2507e22c8ac526dfa1

                • C:\tujserrew.bat

                  Filesize

                  130B

                  MD5

                  d08cb97e3b90ca2dac463f834008b9b9

                  SHA1

                  3db0d4da98d144669284f50d9e8ea87a988ac93a

                  SHA256

                  033632928b0c1a737728bb51db824f5fc92c84cbebae99553e8a1f40bd05b8f9

                  SHA512

                  d843a43695c808bf3ee6088e5213f5b97f225412c36a41778a41a950c7459e4e9c4332b98bc9007544863e4d39b5f11bf15308ceeaceff7320847d301febe97d

                • \Users\Admin\AppData\Local\Temp\7za.exe

                  Filesize

                  523KB

                  MD5

                  e92604e043f51c604b6d1ac3bcd3a202

                  SHA1

                  4154dda4a1e2a5ed14303dc3d36f448953ff6d33

                  SHA256

                  fa252e501332b7486a972e7e471cf6915daa681af35c6aa102213921093eb2a3

                  SHA512

                  ef396d94d83fd7a588c6e645ea5fcfe24390440a03b3bf0ecd05ca6749fd3f9561dfafe725ee0edea51a34d52af26cd311e768aa72f75686cc796abee4757d43

                • \Users\Admin\AppData\Local\Temp\E4U.exe

                  Filesize

                  17KB

                  MD5

                  c2ce158b7136fc8e7be90cd5a2eef437

                  SHA1

                  0ab744a529554016e31e84a7071d753f99904eb4

                  SHA256

                  b15a76cdb0b77be999acb32b84b59dbf2832a78dc8d51c4ec32a2dd369f0723f

                  SHA512

                  2f21bda604cea14867368c7cd2872c650b285bc16856780c0e3315c6e09d3a3bce33e2e1e7b48dd8a5d683f6b5dc484765790a6a10c4d944464c4d3e5c15c079

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

                  Filesize

                  73KB

                  MD5

                  d33ef7d5cfb6d348211576676c039a0e

                  SHA1

                  453532b80bbcac53557bcd59f01923066c7f0b39

                  SHA256

                  d100366bbd472aa56cbb91fd4e7c20b76742c894620bd3775674b996caaed3b5

                  SHA512

                  d89a6a7003ad47067c8ee404e28e380e2483d58554e6b31781f6ccce19984cb29a797532341b797da755494ee6335aed9f0143c31de7c4107e97d2ed18317244

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

                  Filesize

                  3KB

                  MD5

                  46e07fd3a40760fda18cf6b4fc691742

                  SHA1

                  53ee1a754bf5e94fa88a6ab8bb6120b4011afcfa

                  SHA256

                  bd7ca609d2fb63e14d08acab1091579c23e298b4fa2ac1e8d2daaff94fc107be

                  SHA512

                  ce13f6527cbd13002dca00b71ab38ab12e3f3f7138ada0780ad3f40e7c49946c018a00782ec957b1fd123fb439aabc0d9b3660829dabf10ddcebba08d6e2fbbd

                • \Users\Admin\AppData\Local\Temp\nsj9D99.tmp\ExecDos.dll

                  Filesize

                  5KB

                  MD5

                  a7cd6206240484c8436c66afb12bdfbf

                  SHA1

                  0bb3e24a7eb0a9e5a8eae06b1c6e7551a7ec9919

                  SHA256

                  69ac56d2fdf3c71b766d3cc49b33b36f1287cc2503310811017467dfcb455926

                  SHA512

                  b9ee7803301e50a8ec20ab3f87eb9e509ea24d11a69e90005f30c1666acc4ed0a208bd56e372e2e5c6a6d901d45f04a12427303d74761983593d10b344c79904

                • memory/1944-134-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/1944-149-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/1944-119-0x0000000003820000-0x0000000004882000-memory.dmp

                  Filesize

                  16.4MB

                • memory/1944-115-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/2372-89-0x00000000038E0000-0x0000000004942000-memory.dmp

                  Filesize

                  16.4MB

                • memory/2372-127-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/2372-81-0x0000000000270000-0x00000000002CB000-memory.dmp

                  Filesize

                  364KB

                • memory/2372-84-0x0000000000400000-0x000000000045B000-memory.dmp

                  Filesize

                  364KB

                • memory/2372-104-0x0000000005E60000-0x0000000005EBB000-memory.dmp

                  Filesize

                  364KB

                • memory/2372-109-0x0000000005E60000-0x0000000005EBB000-memory.dmp

                  Filesize

                  364KB

                • memory/2592-72-0x0000000000020000-0x000000000002C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-76-0x0000000000020000-0x000000000002C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-70-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-141-0x0000000000300000-0x0000000000400000-memory.dmp

                  Filesize

                  1024KB

                • memory/2592-86-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-137-0x0000000000020000-0x000000000002C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-136-0x0000000000300000-0x0000000000400000-memory.dmp

                  Filesize

                  1024KB

                • memory/2592-82-0x0000000000020000-0x000000000002C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-135-0x0000000000020000-0x000000000002C000-memory.dmp

                  Filesize

                  48KB

                • memory/2592-78-0x0000000000300000-0x0000000000400000-memory.dmp

                  Filesize

                  1024KB

                • memory/2644-77-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2644-99-0x0000000000400000-0x0000000000418000-memory.dmp

                  Filesize

                  96KB

                • memory/2644-80-0x0000000000250000-0x0000000000304000-memory.dmp

                  Filesize

                  720KB

                • memory/2644-100-0x0000000000250000-0x0000000000304000-memory.dmp

                  Filesize

                  720KB

                • memory/2956-133-0x0000000000A60000-0x0000000000A6C000-memory.dmp

                  Filesize

                  48KB

                • memory/2956-57-0x0000000000A60000-0x0000000000A6C000-memory.dmp

                  Filesize

                  48KB

                • memory/2976-130-0x0000000000400000-0x0000000000422000-memory.dmp

                  Filesize

                  136KB

                • memory/2976-85-0x00000000000D0000-0x00000000000E6000-memory.dmp

                  Filesize

                  88KB

                • memory/2976-88-0x0000000000400000-0x0000000000422000-memory.dmp

                  Filesize

                  136KB