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Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07/12/2024, 21:03

General

  • Target

    0c088b255bde22f7b255c4716692c53dc9e377874e03021a452aaac2b7139772N.exe

  • Size

    481KB

  • MD5

    e4553f50ea8f1c394e4532a5d5db5f20

  • SHA1

    387d208e97a14f8d2aaeb9466e983184d900b196

  • SHA256

    0c088b255bde22f7b255c4716692c53dc9e377874e03021a452aaac2b7139772

  • SHA512

    00dd4d974fb1e427a9e61ed902c97011115ba7bd12c1b7d8e2a49f6ca59d32711743441ed21cbdc2845436395e798433e8936a6acb2776d0d0a6b5994e61c100

  • SSDEEP

    6144:yb597EWifTFM6234lKm3mo8Yvi4KsLTFM6234lKm3+ry+dBQ:yN9wWiLFB24lwR45FB24l4++dBQ

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 10 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 14 IoCs
  • Drops file in System32 directory 15 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Modifies registry class 18 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0c088b255bde22f7b255c4716692c53dc9e377874e03021a452aaac2b7139772N.exe
    "C:\Users\Admin\AppData\Local\Temp\0c088b255bde22f7b255c4716692c53dc9e377874e03021a452aaac2b7139772N.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:2080
    • C:\Windows\SysWOW64\Kdphjm32.exe
      C:\Windows\system32\Kdphjm32.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:2712
      • C:\Windows\SysWOW64\Kkjpggkn.exe
        C:\Windows\system32\Kkjpggkn.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:2708
        • C:\Windows\SysWOW64\Kmimcbja.exe
          C:\Windows\system32\Kmimcbja.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:2588
          • C:\Windows\SysWOW64\Llpfjomf.exe
            C:\Windows\system32\Llpfjomf.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:2676
            • C:\Windows\SysWOW64\Lbjofi32.exe
              C:\Windows\system32\Lbjofi32.exe
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3060
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 3060 -s 140
                7⤵
                • Loads dropped DLL
                • Program crash
                PID:1484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Ipafocdg.dll

    Filesize

    7KB

    MD5

    14fff8c915813740fd1e652fb1d8beff

    SHA1

    9f160cf5056b52e382ca0bcde22d13df12388811

    SHA256

    3792b0f2c464a1078e494353ca73f05ddf44955d3d67bbe666f579b9856f223f

    SHA512

    0e316b59bd1357a3285bb4b13933a1fccf6b9a6e287f844211fa569aba93d678b5eccc5a77112c0494ca71cc584f2f9d76dbf423d803f3c39eb68ee20ed481f2

  • C:\Windows\SysWOW64\Kdphjm32.exe

    Filesize

    481KB

    MD5

    eb8ed1fb99c9e6eb98c9b576f5814e0f

    SHA1

    058923833e883652ed231f48db5f5191bfe49449

    SHA256

    ca5e301a4fb2216a2c9b40e93ef4f6509d7eef7b4b392ae9cf731871de8198f0

    SHA512

    3420c5a136deba84e17ed07bb195876d7ab629cd98092ba5328a7070c1a2f2bd1aa8b84ed05ed5c82f55817d61ec8a98fe5ba313da1e177d057fe194b36fd7f0

  • C:\Windows\SysWOW64\Kkjpggkn.exe

    Filesize

    481KB

    MD5

    fef4f1751b0e9c7a6848b0ccc015bb40

    SHA1

    681a3f9a77e45d83bd8f3999fbcfaa1417fa489f

    SHA256

    47d13210a31166338103a12a916929ecffa17e5409e2642fb6ddaa899d5337f3

    SHA512

    a2e7743b546e458b0e5d2f6778c739cb7d3e4f7693e10b601394436715426bba8bb5c3a1e5f407ef853f3ad3946922619404137345cc3442bf0659309d7d2f43

  • \Windows\SysWOW64\Kmimcbja.exe

    Filesize

    481KB

    MD5

    2d1a941391e537e6c865ca9ab1e05282

    SHA1

    917562e57eba01fd176bb0e15ce375bbdee587e1

    SHA256

    5c08e8fa641464c82daf749ab33e67bbdd4a090e468be8eb5187af00be74241a

    SHA512

    d9216bc6e75cd8952273410bce0f23ac07518b1c5a2c2edf42f72034a270581363ccbb38c0f77968e46ea7814521597aead5b61594767740cd03c626303c3026

  • \Windows\SysWOW64\Lbjofi32.exe

    Filesize

    481KB

    MD5

    088bb1b71825b49dd9cf0b4f1b1504a9

    SHA1

    37f6406a8abc73efb0a969d4c07d1f9d6cf59ebc

    SHA256

    1b8dcb93663fd6706d6009bbdc9fd49625597b9e336eca07e5d0b34fc9075d9c

    SHA512

    77d675edc3b48b312ef7017d0586d5639bd0c5cc9b13ef7fc390800f88e34e3f5820572150d53db72ea31737d54c20de133fcdee6b228310f4ab14984c7e6442

  • \Windows\SysWOW64\Llpfjomf.exe

    Filesize

    481KB

    MD5

    65ed31a51816a76d01444bd6d616bf01

    SHA1

    088423a9fec2465cb80bf029d236e32180ea4ed1

    SHA256

    45b329214f4dad7a5d60abd4581b100ca091d19d0d4d257787ed9c03ccfefd7f

    SHA512

    3cc86b8230e59d90214327316f4b18c7ae73085b57f03d4e1df07a06a513cc2710695641a0f61c9a13dcad6dad4fddf586f137fa632c676d607f51a9dcd840ae

  • memory/2080-17-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB

  • memory/2080-18-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB

  • memory/2080-86-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2080-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2588-79-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2588-50-0x0000000000440000-0x0000000000473000-memory.dmp

    Filesize

    204KB

  • memory/2588-42-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2588-56-0x0000000000440000-0x0000000000473000-memory.dmp

    Filesize

    204KB

  • memory/2676-70-0x00000000002F0000-0x0000000000323000-memory.dmp

    Filesize

    204KB

  • memory/2676-57-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2676-82-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2708-41-0x00000000002E0000-0x0000000000313000-memory.dmp

    Filesize

    204KB

  • memory/2708-28-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2708-81-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2712-27-0x0000000000350000-0x0000000000383000-memory.dmp

    Filesize

    204KB

  • memory/2712-19-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/3060-71-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/3060-85-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB