Analysis

  • max time kernel
    119s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/11/2024, 05:55

General

  • Target

    e43ccadd1aa963ddad51c4740ba50d7c988ba9a6e7fc55c8f9efd0e4e47a554eN.exe

  • Size

    69KB

  • MD5

    790be529d619ff149c9d45ba59acc900

  • SHA1

    824ce3c6fdf5cc8e064553757e64b6d130942a99

  • SHA256

    e43ccadd1aa963ddad51c4740ba50d7c988ba9a6e7fc55c8f9efd0e4e47a554e

  • SHA512

    a45887c60f347a5cc85e0d7f6adcd68c0bf87b1fe55b579ba02edf90cb2303672bbacbea781e002e6e31d102dd22b3bbfc56002f1734314ff0a69f60dc78544f

  • SSDEEP

    1536:VwMDlo75QZL9HdHjg8dZavfcvxcNein/GFZCeDAyN:Vw0lo7EL3DgOocvuNFn/GFZC1yN

Malware Config

Extracted

Family

berbew

C2

http://tat-neftbank.ru/kkq.php

http://tat-neftbank.ru/wcmd.htm

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 24 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 12 IoCs
  • Loads dropped DLL 27 IoCs
  • Drops file in System32 directory 36 IoCs
  • Drops file in Windows directory 2 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 13 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 39 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e43ccadd1aa963ddad51c4740ba50d7c988ba9a6e7fc55c8f9efd0e4e47a554eN.exe
    "C:\Users\Admin\AppData\Local\Temp\e43ccadd1aa963ddad51c4740ba50d7c988ba9a6e7fc55c8f9efd0e4e47a554eN.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\Abmgjo32.exe
      C:\Windows\system32\Abmgjo32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:324
      • C:\Windows\SysWOW64\Akfkbd32.exe
        C:\Windows\system32\Akfkbd32.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1700
        • C:\Windows\SysWOW64\Bbbpenco.exe
          C:\Windows\system32\Bbbpenco.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Loads dropped DLL
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:1080
          • C:\Windows\SysWOW64\Bkjdndjo.exe
            C:\Windows\system32\Bkjdndjo.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Loads dropped DLL
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:2908
            • C:\Windows\SysWOW64\Bqijljfd.exe
              C:\Windows\system32\Bqijljfd.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Loads dropped DLL
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:2468
              • C:\Windows\SysWOW64\Bigkel32.exe
                C:\Windows\system32\Bigkel32.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Loads dropped DLL
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:2656
                • C:\Windows\SysWOW64\Cfkloq32.exe
                  C:\Windows\system32\Cfkloq32.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Loads dropped DLL
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:2628
                  • C:\Windows\SysWOW64\Cepipm32.exe
                    C:\Windows\system32\Cepipm32.exe
                    9⤵
                    • Adds autorun key to be loaded by Explorer.exe on startup
                    • Executes dropped EXE
                    • Loads dropped DLL
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:2124
                    • C:\Windows\SysWOW64\Cbdiia32.exe
                      C:\Windows\system32\Cbdiia32.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Loads dropped DLL
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:672
                      • C:\Windows\SysWOW64\Cnkjnb32.exe
                        C:\Windows\system32\Cnkjnb32.exe
                        11⤵
                        • Adds autorun key to be loaded by Explorer.exe on startup
                        • Executes dropped EXE
                        • Loads dropped DLL
                        • Drops file in System32 directory
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:2976
                        • C:\Windows\SysWOW64\Ceebklai.exe
                          C:\Windows\system32\Ceebklai.exe
                          12⤵
                          • Adds autorun key to be loaded by Explorer.exe on startup
                          • Executes dropped EXE
                          • Loads dropped DLL
                          • Drops file in System32 directory
                          • System Location Discovery: System Language Discovery
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1176
                          • C:\Windows\SysWOW64\Dpapaj32.exe
                            C:\Windows\system32\Dpapaj32.exe
                            13⤵
                            • Executes dropped EXE
                            • Drops file in Windows directory
                            • System Location Discovery: System Language Discovery
                            • Suspicious use of WriteProcessMemory
                            PID:2184
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 2184 -s 144
                              14⤵
                              • Loads dropped DLL
                              • Program crash
                              PID:2400

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Windows\SysWOW64\Abmgjo32.exe

          Filesize

          69KB

          MD5

          1593cca52d6da2a54c79b74f647dabe5

          SHA1

          e4d6bc6d680bb73abaf814005b7c0f6eb818877b

          SHA256

          b7bb995094a1663843595be4d6505b8343cb631e7cb9c8d4775edef7b419cc93

          SHA512

          c257297563b0dd560b6c0070b9776ba3d2b5499ae1b085cd19ecee550a674f4bc270999c7ed7d763472cc4e37fa34f4580d805511f97212a6ed375a7a82c6941

        • C:\Windows\SysWOW64\Bqijljfd.exe

          Filesize

          69KB

          MD5

          361433784d65a11e55f4a79b6143a145

          SHA1

          640e0b2eac37fcd23b5ca2ba8cfa2df963363e1f

          SHA256

          ffbbc3027bda174b3544f2296805841b48e3757a334fc29abfbaf5ba81e8ec25

          SHA512

          4aa6533b02c542a1559cd5cf1f1cb7d673534cf84a2792089568c3fc93d2eaf71ef35e7e7dbc56ede6c679ba20976d3b3865860f7637afa0eb3322ad13381420

        • C:\Windows\SysWOW64\Dpapaj32.exe

          Filesize

          69KB

          MD5

          686e3a44eb1d75e632986deff179347d

          SHA1

          6f5bfbd8b614ba4f5fe2fbf7b92437ba98ea9286

          SHA256

          ff72adedcc06bd441591f27bd6dd4d4845d198a8950140d97c9b457a61543d85

          SHA512

          2554d1bdc460c4851b3a49b5b6c22440e76d0b06231dd7091ded3402fb458fe10bb771ac63781bba2ff09ffd2c77055295cdad205242f99c02b553a72abba6dc

        • \Windows\SysWOW64\Akfkbd32.exe

          Filesize

          69KB

          MD5

          572db954954407b8df177595e3de21a5

          SHA1

          1e646d49752ac6709fb8c76c1dd3c80bed68ea56

          SHA256

          6d1ad4e3dc5e0680c044b9fb6b4390b88c5059f3aaaba8cb007145ed395411a3

          SHA512

          7198878381196d0f7497e9766bac206a73883756155b339f4006393fb0fea8a10986843350dcf41d0dcf8f7ba42b759884095f1e754e38177eacd524f6cdefcd

        • \Windows\SysWOW64\Bbbpenco.exe

          Filesize

          69KB

          MD5

          28676e98b580f54b378766267a4c8044

          SHA1

          af7ef803bc60c10c9d430fcfbb97a7149b9525c9

          SHA256

          c08259ca977e104bd721a9424f02358c244223b83052282414cbd38880273a0d

          SHA512

          09183fc82695d87894e3265b1eb5d239aea1908e8076b815c94b36f2dae535a439a657ce5eddef21e057b0d7ce537da8dd8d2851a74c21b6eeb69d8f000af89f

        • \Windows\SysWOW64\Bigkel32.exe

          Filesize

          69KB

          MD5

          820f9d2e44a761614ea591e95f253182

          SHA1

          88cfa485a989abb9f818074d4405469766e0b329

          SHA256

          2bc4b05f67b24e0b46e38afa6e76e5fa7faea1699124b642c1a251cb021de43c

          SHA512

          a250fb077a1c715cce240666b69dddf22ed978259e27f0f424dfd9fbd02e2a9f71f1473f4b6acaeb5692fb276bc528cdab28ea4b447d2e75cdfc94c133bbac2f

        • \Windows\SysWOW64\Bkjdndjo.exe

          Filesize

          69KB

          MD5

          ac6b3245243b3cfcd12951e17c983260

          SHA1

          cb0527c11d322bf29f399fc627d317a9f570e4d6

          SHA256

          3dfa9c30116ac850738da080d7f0e13c71d9ef14cff4a68de054aa743e681768

          SHA512

          ef5f486e0adb360f163f9c37aa1d065c96cb8e056986a5a8a28c35852f581610725ee3ec4cf57985956d9399f1cd12b4f48745d2b524037be97c8883daf26792

        • \Windows\SysWOW64\Cbdiia32.exe

          Filesize

          69KB

          MD5

          9cc2e3a9885a065058c7a47d42af4175

          SHA1

          e2b20ccceef3a36aa2b3b0a58c697fdddfbe92a2

          SHA256

          f9ccab00e4179dd82350aa7052181d4476c1a0185036d50dd34a7e9530787747

          SHA512

          dddd243d46c1b3d67143f7fc7af39e0b5375a7d1f40649c52e88afeb866a2021cc85f04a7d42565e9815d36186758804f3fdffb42b07038c487bc12d0345f959

        • \Windows\SysWOW64\Ceebklai.exe

          Filesize

          69KB

          MD5

          a719e04c47efabe4b9f290f87a1cd4b8

          SHA1

          1975de7a02a65dcf591686b2155aa9c11961427a

          SHA256

          e874dc98f1d963289a87819e692a85cd4eee42b8cfc221d6824d55893a85de09

          SHA512

          4e5377d48f619c6d3c57279b782c68d145c17c1fae8d92e2aa17e5fe24a698c1737b9f76497da07a3c355e1b07662cd604be3eff379fb53dfaa171865a6d2039

        • \Windows\SysWOW64\Cepipm32.exe

          Filesize

          69KB

          MD5

          c03788c4090d96507315f392d1f54d16

          SHA1

          dfca3048f6669d23f3947615a3984faa11e56f84

          SHA256

          8b8982ebe191dc9e1661f88deba3336ea3b0f5872ba3d1b6064c8f29747c9e86

          SHA512

          5fce5b02b850a8e6851da8bfb1255e795b94835f00d82aecc54b5d48f4289d4b90119a5e5f03ab8c33bd70f46728faf39766c34c8324f88b27ad5084d1245409

        • \Windows\SysWOW64\Cfkloq32.exe

          Filesize

          69KB

          MD5

          67d02a48b95a370171b9c00a6ac25b01

          SHA1

          501f5070a1d203615c1ad29d01c40a0727df223b

          SHA256

          45c903e79a95ab6463d970f91d6adb8e0168032f0a853c44b0c723a8f7cfeea6

          SHA512

          759b69a55020f8f0d45f36e3a902d57bd98283f63566633914d7b6591d99dfe5878b598691d39a73d665ce14de42578d7c00d439b3c08414616ecd380fbd0e6d

        • \Windows\SysWOW64\Cnkjnb32.exe

          Filesize

          69KB

          MD5

          828453c8a2290878e63a33bf36f994cb

          SHA1

          fdc83e4bb7194d75e03e26b265dfd735bea13cda

          SHA256

          8d18f243a5ac3b65874515bcad497aa6c783fa02982dbda5c8efd107e85f58d3

          SHA512

          99144944764099fd043a977ec846f0c3202c212f9de3c7af96647b88515f1d07cdc10b0a2c433cb89a06f97b279d4559710760324f77bc3de6070a6eead3612f

        • memory/324-18-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/672-120-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/672-133-0x0000000000230000-0x000000000026C000-memory.dmp

          Filesize

          240KB

        • memory/672-170-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/672-134-0x0000000000230000-0x000000000026C000-memory.dmp

          Filesize

          240KB

        • memory/1080-176-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1080-48-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/1176-171-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1176-149-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1176-161-0x00000000005D0000-0x000000000060C000-memory.dmp

          Filesize

          240KB

        • memory/1700-179-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/1700-34-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/1700-39-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/1700-26-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2064-0-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2064-17-0x00000000002B0000-0x00000000002EC000-memory.dmp

          Filesize

          240KB

        • memory/2064-178-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2124-173-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2184-172-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2184-163-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2468-181-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2468-75-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/2468-67-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2628-102-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/2628-180-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2656-89-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/2656-177-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2656-85-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2908-175-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2908-65-0x0000000000220000-0x000000000025C000-memory.dmp

          Filesize

          240KB

        • memory/2976-135-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2976-174-0x0000000000400000-0x000000000043C000-memory.dmp

          Filesize

          240KB

        • memory/2976-147-0x00000000001B0000-0x00000000001EC000-memory.dmp

          Filesize

          240KB