Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/09/2026, 07:43

General

  • Target
    554b2e4b545d025bdf10e4289db3f4fbf197b78e519bf2e0a5ff381051f8cd43.exe
  • Size 79KB
  • Sample260907-jknebseq91
  • SHA256 554b2e4b545d025bdf10e4289db3f4fbf197b78e519bf2e0a5ff381051f8cd43
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • berbew

C2
  • http://crutop.nu/index.php

  • http://crutop.ru/index.php

  • http://mazafaka.ru/index.php

  • http://color-bank.ru/index.php

  • http://asechka.ru/index.php

  • http://trojan.ru/index.php

  • http://fuck.ru/index.php

  • http://goldensand.ru/index.php

  • http://filesearch.ru/index.php

  • http://devx.nm.ru/index.php

  • http://ros-neftbank.ru/index.php

  • http://lovingod.host.sk/index.php

  • http://www.redline.ru/index.php

  • http://cvv.ru/index.php

  • http://hackers.lv/index.php

  • http://fethard.biz/index.php

  • http://ldark.nm.ru/index.htm

  • http://gaz-prom.ru/index.htm

  • http://promo.ru/index.htm

  • http://potleaf.chat.ru/index.htm

Signatures

  • Family: Berbew

    Berbew is a backdoor written in C++.

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 38 IoCs
  • Executes dropped EXE 19 IoCs
  • Drops file in System32 directory 57 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 20 IoCs

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

  • Modifies registry class 60 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\554b2e4b545d025bdf10e4289db3f4fbf197b78e519bf2e0a5ff381051f8cd43.exe
    "C:\Users\Admin\AppData\Local\Temp\554b2e4b545d025bdf10e4289db3f4fbf197b78e519bf2e0a5ff381051f8cd43.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3360
    • C:\Windows\SysWOW64\Fkemfl32.exe
      C:\Windows\system32\Fkemfl32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1692
      • C:\Windows\SysWOW64\Fboecfii.exe
        C:\Windows\system32\Fboecfii.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\SysWOW64\Fglnkm32.exe
          C:\Windows\system32\Fglnkm32.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:4844
          • C:\Windows\SysWOW64\Fjjjgh32.exe
            C:\Windows\system32\Fjjjgh32.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4428
            • C:\Windows\SysWOW64\Fqdbdbna.exe
              C:\Windows\system32\Fqdbdbna.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:2572
              • C:\Windows\SysWOW64\Fcbnpnme.exe
                C:\Windows\system32\Fcbnpnme.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:4224
                • C:\Windows\SysWOW64\Fgnjqm32.exe
                  C:\Windows\system32\Fgnjqm32.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:2944
                  • C:\Windows\SysWOW64\Fkjfakng.exe
                    C:\Windows\system32\Fkjfakng.exe
                    9⤵
                    • Adds autorun key to be loaded by Explorer.exe on startup
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:988
                    • C:\Windows\SysWOW64\Fnhbmgmk.exe
                      C:\Windows\system32\Fnhbmgmk.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:3904
                      • C:\Windows\SysWOW64\Fbdnne32.exe
                        C:\Windows\system32\Fbdnne32.exe
                        11⤵
                        • Adds autorun key to be loaded by Explorer.exe on startup
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        • System Location Discovery: System Language Discovery
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:2180
                        • C:\Windows\SysWOW64\Fqfojblo.exe
                          C:\Windows\system32\Fqfojblo.exe
                          12⤵
                          • Adds autorun key to be loaded by Explorer.exe on startup
                          • Executes dropped EXE
                          • Drops file in System32 directory
                          • System Location Discovery: System Language Discovery
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:1956
                          • C:\Windows\SysWOW64\Fdbkja32.exe
                            C:\Windows\system32\Fdbkja32.exe
                            13⤵
                            • Adds autorun key to be loaded by Explorer.exe on startup
                            • Executes dropped EXE
                            • Drops file in System32 directory
                            • System Location Discovery: System Language Discovery
                            • Modifies registry class
                            • Suspicious use of WriteProcessMemory
                            PID:3616
                            • C:\Windows\SysWOW64\Fcekfnkb.exe
                              C:\Windows\system32\Fcekfnkb.exe
                              14⤵
                              • Adds autorun key to be loaded by Explorer.exe on startup
                              • Executes dropped EXE
                              • Drops file in System32 directory
                              • System Location Discovery: System Language Discovery
                              • Modifies registry class
                              • Suspicious use of WriteProcessMemory
                              PID:4240
                              • C:\Windows\SysWOW64\Fgqgfl32.exe
                                C:\Windows\system32\Fgqgfl32.exe
                                15⤵
                                • Adds autorun key to be loaded by Explorer.exe on startup
                                • Executes dropped EXE
                                • Drops file in System32 directory
                                • System Location Discovery: System Language Discovery
                                • Modifies registry class
                                • Suspicious use of WriteProcessMemory
                                PID:3804
                                • C:\Windows\SysWOW64\Fklcgk32.exe
                                  C:\Windows\system32\Fklcgk32.exe
                                  16⤵
                                  • Adds autorun key to be loaded by Explorer.exe on startup
                                  • Executes dropped EXE
                                  • Drops file in System32 directory
                                  • System Location Discovery: System Language Discovery
                                  • Modifies registry class
                                  • Suspicious use of WriteProcessMemory
                                  PID:1264
                                  • C:\Windows\SysWOW64\Fnjocf32.exe
                                    C:\Windows\system32\Fnjocf32.exe
                                    17⤵
                                    • Adds autorun key to be loaded by Explorer.exe on startup
                                    • Executes dropped EXE
                                    • Drops file in System32 directory
                                    • System Location Discovery: System Language Discovery
                                    • Modifies registry class
                                    • Suspicious use of WriteProcessMemory
                                    PID:2652
                                    • C:\Windows\SysWOW64\Fbfkceca.exe
                                      C:\Windows\system32\Fbfkceca.exe
                                      18⤵
                                      • Adds autorun key to be loaded by Explorer.exe on startup
                                      • Executes dropped EXE
                                      • Drops file in System32 directory
                                      • System Location Discovery: System Language Discovery
                                      • Modifies registry class
                                      • Suspicious use of WriteProcessMemory
                                      PID:640
                                      • C:\Windows\SysWOW64\Fqikob32.exe
                                        C:\Windows\system32\Fqikob32.exe
                                        19⤵
                                        • Adds autorun key to be loaded by Explorer.exe on startup
                                        • Executes dropped EXE
                                        • Drops file in System32 directory
                                        • System Location Discovery: System Language Discovery
                                        • Modifies registry class
                                        • Suspicious use of WriteProcessMemory
                                        PID:2764
                                        • C:\Windows\SysWOW64\Gddgpqbe.exe
                                          C:\Windows\system32\Gddgpqbe.exe
                                          20⤵
                                          • Executes dropped EXE
                                          • System Location Discovery: System Language Discovery
                                          PID:2968
                                          • C:\Windows\SysWOW64\WerFault.exe
                                            C:\Windows\SysWOW64\WerFault.exe -u -p 2968 -s 400
                                            21⤵
                                            • Program crash
                                            PID:1672
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2968 -ip 2968
    1⤵
      PID:204

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Fbdnne32.exe

          • Path C:\Windows\SysWOW64\Fbdnne32.exe
          • Size 79KB
          • SHA256 e99a90075a99f684a53982ebaba5dd1732dc0ea66fa53c3766500960979c29f9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fbfkceca.exe

          • Path C:\Windows\SysWOW64\Fbfkceca.exe
          • Size 79KB
          • SHA256 7d9136126855ca88bb5fd42b45b802092bdfa2b58b48b446d5d43f2354945a70
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fboecfii.exe

          • Path C:\Windows\SysWOW64\Fboecfii.exe
          • Size 79KB
          • SHA256 fa5cda1e5fb6ac9766e9bb45e1b3492003cca0ce5d21587eb96af1b7d56a13b0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fcbnpnme.exe

          • Path C:\Windows\SysWOW64\Fcbnpnme.exe
          • Size 79KB
          • SHA256 1db11b0096063fe0854397de6e5a72a79afa621ccca221fa07f00fcf56f08d0e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fcekfnkb.exe

          • Path C:\Windows\SysWOW64\Fcekfnkb.exe
          • Size 79KB
          • SHA256 05a79ce59514991dd930cee5207e561db772d7bb848badcc0ca42621c1fdde44
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fdbkja32.exe

          • Path C:\Windows\SysWOW64\Fdbkja32.exe
          • Size 79KB
          • SHA256 c140947caa835090dc2721c52ea635990ca77e08e49bc3653ec0189558dcce7a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fglnkm32.exe

          • Path C:\Windows\SysWOW64\Fglnkm32.exe
          • Size 79KB
          • SHA256 e382fe49b307c37540d980860bfd613fd6b54412e11319126a007af807a40b04
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fgnjqm32.exe

          • Path C:\Windows\SysWOW64\Fgnjqm32.exe
          • Size 79KB
          • SHA256 91fcc39c51241e8028b4f23df038124054f976a54a838351ba310ae2bdb9dfaf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fgqgfl32.exe

          • Path C:\Windows\SysWOW64\Fgqgfl32.exe
          • Size 79KB
          • SHA256 0ddee9b8e3c175be13a3fab6f4af8987c574bd90122d4daa47d3c1356b0b7e5b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fjjjgh32.exe

          • Path C:\Windows\SysWOW64\Fjjjgh32.exe
          • Size 79KB
          • SHA256 a336292ac5dac7e711d417954d29580ecc18a529bf4854bc7bca99aa4454926f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fkemfl32.exe

          • Path C:\Windows\SysWOW64\Fkemfl32.exe
          • Size 79KB
          • SHA256 d00f6316dfc376d67705b60777a8750b9e8ac89a7d741cd8544bdc53b336486b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fkjfakng.exe

          • Path C:\Windows\SysWOW64\Fkjfakng.exe
          • Size 79KB
          • SHA256 712722a0a6f68651a77f107a9eaff66f8953ab4b53138e34fd63fd1d098c2b1d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fklcgk32.exe

          • Path C:\Windows\SysWOW64\Fklcgk32.exe
          • Size 79KB
          • SHA256 9f1dd8a365949be66ace3da762e9b024c28c1c3e7a7d4316f29558abee415495
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fnhbmgmk.exe

          • Path C:\Windows\SysWOW64\Fnhbmgmk.exe
          • Size 79KB
          • SHA256 edec1285c3ee129ac943ea31fb7533d255af696482d44e3bc48443a19b236e8a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fnjocf32.exe

          • Path C:\Windows\SysWOW64\Fnjocf32.exe
          • Size 79KB
          • SHA256 5d10bb4bc276afdd097de99ac7eea9051840047b8ff4d9515283499548cd4558
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fqdbdbna.exe

          • Path C:\Windows\SysWOW64\Fqdbdbna.exe
          • Size 79KB
          • SHA256 c43dd15d18b8a9a9f6f2899aea4e19e4ccdd553c623269ed9af56d0c1fc8b330
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fqfojblo.exe

          • Path C:\Windows\SysWOW64\Fqfojblo.exe
          • Size 79KB
          • SHA256 08da29de2ff062ba05250a7a575f91e7eafd616d9dddcfc690d8b84a12a194fa
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Fqikob32.exe

          • Path C:\Windows\SysWOW64\Fqikob32.exe
          • Size 79KB
          • SHA256 1e0abae3ef8397b4594f3e3b00c3ffa616a49101d79f81643e643bd4b27bee79
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Gddgpqbe.exe

          • Path C:\Windows\SysWOW64\Gddgpqbe.exe
          • Size 79KB
          • SHA256 065437a3b868b13a03c84d762fc05eb568a2e91d9b90867ec124604ce45125b1
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/640-150-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/988-153-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1264-148-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1692-156-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1692-8-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1928-158-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1928-17-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/1956-144-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2180-143-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2572-45-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2652-149-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2764-151-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2944-141-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/2968-152-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3360-1-0x0000000000431000-0x0000000000432000-memory.dmp

          memory/3360-157-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3360-0-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3616-145-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3804-147-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/3904-142-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4224-53-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4240-146-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4428-154-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4428-32-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4844-25-0x0000000000400000-0x0000000000440000-memory.dmp

          memory/4844-155-0x0000000000400000-0x0000000000440000-memory.dmp