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Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/02/2025, 09:35

General

  • Target

    3eb5be9231da591c66c07e588cb460f189a2faadf6fefb16dbb01b431a288b76N.exe

  • Size

    93KB

  • MD5

    45812f4946ec19328be15732a4ec3c20

  • SHA1

    6b2468aa6458b6f5913b25abe3a3eeec7512c824

  • SHA256

    3eb5be9231da591c66c07e588cb460f189a2faadf6fefb16dbb01b431a288b76

  • SHA512

    81ed155076fe523c34e81b9c679ce9812da30810a760cddb335945a9531165f07ee1fdacbd8eac5c70e3ce36d8bacab3e2603160b8433563425a4ccc1fc198b8

  • SSDEEP

    1536:iFUxG6CC/cdr42yLsHFt3c9ssTM1DaYfMZRWuLsV+1B:vxcd5Rc9ssAgYfc0DV+1B

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

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 18 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 9 IoCs
  • Loads dropped DLL 23 IoCs
  • Drops file in System32 directory 27 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Modifies registry class 30 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3eb5be9231da591c66c07e588cb460f189a2faadf6fefb16dbb01b431a288b76N.exe
    "C:\Users\Admin\AppData\Local\Temp\3eb5be9231da591c66c07e588cb460f189a2faadf6fefb16dbb01b431a288b76N.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:2156
    • C:\Windows\SysWOW64\Kocpbfei.exe
      C:\Windows\system32\Kocpbfei.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:2748
      • C:\Windows\SysWOW64\Kdphjm32.exe
        C:\Windows\system32\Kdphjm32.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:2568
        • C:\Windows\SysWOW64\Koflgf32.exe
          C:\Windows\system32\Koflgf32.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:2756
          • C:\Windows\SysWOW64\Kdbepm32.exe
            C:\Windows\system32\Kdbepm32.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:1256
            • C:\Windows\SysWOW64\Kipmhc32.exe
              C:\Windows\system32\Kipmhc32.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:2604
              • C:\Windows\SysWOW64\Kpieengb.exe
                C:\Windows\system32\Kpieengb.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:1208
                • C:\Windows\SysWOW64\Kbhbai32.exe
                  C:\Windows\system32\Kbhbai32.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:628
                  • C:\Windows\SysWOW64\Lplbjm32.exe
                    C:\Windows\system32\Lplbjm32.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:2436
                    • C:\Windows\SysWOW64\Lbjofi32.exe
                      C:\Windows\system32\Lbjofi32.exe
                      10⤵
                      • Executes dropped EXE
                      • System Location Discovery: System Language Discovery
                      • Suspicious use of WriteProcessMemory
                      PID:1088
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -u -p 1088 -s 140
                        11⤵
                        • Loads dropped DLL
                        • Program crash
                        PID:284

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Kbhbai32.exe

    Filesize

    93KB

    MD5

    05037ea4a304742fe702cdd9b3fa7ab7

    SHA1

    364611fc823fb2e0801fb950fd83d0c72fd9c6a3

    SHA256

    b32645e74737769d91f01f1630417f9a855a8657d8b4997ede1b7f89b8f82d38

    SHA512

    ace444cdf5cc8f0aa172bc9232dd59fefb5828abbd746c771497b3a1cd0b905bd11861a118b81a4a4b53ea42f98a3d7773f898a4c34707384b1a06d5dd8475c0

  • C:\Windows\SysWOW64\Kocpbfei.exe

    Filesize

    93KB

    MD5

    1e5d7474a4beb65783cce25d95636c67

    SHA1

    af212d244f1cda91f328ad492467862e29587244

    SHA256

    b8dc21b00fd4b030ec3930b251c5f05445d74e0310671f1a42998285b02e0c88

    SHA512

    bced7e1f6654654a2f150a9a0ec90776cdade7f66cdccf02a5efc1c3a0e3b29b3da61a6748978c23ce60bc6ddd0747381af4dfa62b6701cae81242a9e064a239

  • C:\Windows\SysWOW64\Koflgf32.exe

    Filesize

    93KB

    MD5

    c86c10602c327067afe1a7b1600dd609

    SHA1

    ba67c1c4fd5c899382e49768126ba516d8e4cb97

    SHA256

    352f7856933fd4cde6712cf948a90f20155e7f1a703ac4d986bbcc512b39c812

    SHA512

    ae6696225bdc0bd93761511f06d5640b3d1617143750904aa8ca8a8969fdc1d6ba5674d9ce4b61bff073c0d4fa8a1782644824ff07b46a9df20a4054ddef1114

  • \Windows\SysWOW64\Kdbepm32.exe

    Filesize

    93KB

    MD5

    5a8158e8253309d12b83bb9b2e604b9e

    SHA1

    bd3fea5bdab20eb3b410add4bdc4ebc7beb65d07

    SHA256

    34a69924db956fa67e6831977c51c9e91c47f2b05f5e4dfdb73d2223c7c8818a

    SHA512

    1d2d0a148a59ce9e045d6b47dc9aefc7fc3d6b54f0da4f33249af98b0a86b177ef54d10a1e5194bc556fde327cb03e8d1ace4e4d6e8da0359eec4b369286848b

  • \Windows\SysWOW64\Kdphjm32.exe

    Filesize

    93KB

    MD5

    67527ae742fe6024c73fc10f11eb641f

    SHA1

    915f967046a77b7cca8412996e66802a17d5de17

    SHA256

    3ca532b5938b12cd58e5cf5f91b0ff034790eb9e78df5cdefa4a225b1916fc15

    SHA512

    798ba224a723ab0d5fc5d9cefc9b90fffe353c1499919a2e1f413a4aeb07d4454d705e09e08d4ca24683c9817b245bc334d6ba904f6cd61d6937dfd3af1e4317

  • \Windows\SysWOW64\Kipmhc32.exe

    Filesize

    93KB

    MD5

    50a1accb5cbe39fb539002a6f2eeb346

    SHA1

    2d7d17d1c7dce614f0fcae1caada7980c1663e55

    SHA256

    a470a31ee318f2ab13b294ef8f3af032c18d2e61acdb4729b66d24b35435a644

    SHA512

    90117e8ed1bf08b9ced8b3b18513598c369dae03ff199f4009aa2ecdaf82c87012ea19cd089bfb487974c445bf43ac7fa98980fb457aea315d88279778632e59

  • \Windows\SysWOW64\Kpieengb.exe

    Filesize

    93KB

    MD5

    1379f8d8a6c5a734cd9fd86e0207a00f

    SHA1

    d643a61926c4efc7ff7ffc8e844b57132c903d3e

    SHA256

    7a4ee4e5beb5e18132f08d980de36502e4b5e57998520ec43b5d2b65fe0d1d68

    SHA512

    b8fcd75d34d1e79d69e89f6395e6f49e6025df45d3675562900faf2146e5d3ef0d71b22193cbffe822700000292fe4e283fd210646ba38aea8fe0743cbfe2df8

  • \Windows\SysWOW64\Lbjofi32.exe

    Filesize

    93KB

    MD5

    3e57d5892257f60caec02d5508828bbc

    SHA1

    a0123acd55f2fc3fa2bcb780bc7585fbeb2ce69e

    SHA256

    ec773563a8a9fb0649f6b4fd4f696d439ebf5cc3003f437ad072d4fe6cdfb01d

    SHA512

    5ef481c0c498d090251557520e32904e0b216f6e939b16722c7ca52c573c01b173373897f4d23d1d6a46d07b2187cdef89382221befc45f0342570620aaf479a

  • \Windows\SysWOW64\Lplbjm32.exe

    Filesize

    93KB

    MD5

    d111bdd6c39d84188b5147be8a6d2c1c

    SHA1

    a9a7d9882d5a591fd8520803467a6d105dffc9f3

    SHA256

    fe104a1445fcbe8890f8501a8921aa00fd800efb8aef66c56faad28e69542ba9

    SHA512

    314091a94b9922a9cd285cd191f1d0398570af8afa7f5ae42ce8d0911aa6ab7484539c2a8327778a1edc3eaead038e700f15a54e3632086ed1ad6c1254da5fc1

  • memory/628-94-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/628-129-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/628-106-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/1088-139-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1088-121-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1208-86-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1208-135-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1256-56-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/1256-140-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2156-13-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2156-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2156-145-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2156-12-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2436-130-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2436-120-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2568-33-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2604-68-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2604-134-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2748-144-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2748-14-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2748-22-0x00000000002F0000-0x0000000000323000-memory.dmp

    Filesize

    204KB

  • memory/2756-138-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2756-41-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2756-48-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB