Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-11-2024 01:12

General

  • Target

    a318bb4de7f7ad2901270ac5437f316e987b10b33484d4b449eff0a40485eaec.exe

  • Size

    364KB

  • MD5

    c888455fdf0cefda3eb8249318ff75ee

  • SHA1

    95656a8ffcf4e16e3a721ab360c2ea6e75eee94b

  • SHA256

    a318bb4de7f7ad2901270ac5437f316e987b10b33484d4b449eff0a40485eaec

  • SHA512

    e4f0684daa3df279a37bdc5a782025b1f9a8cd38c1a32cc4e1b5ea36e33f78a781b80e275276060579b0e8442b6d385f6975e47188fec8f1e28133be4c202439

  • SSDEEP

    6144:iW7mooWmLnPpV+tbFOLM77OLnFe3HCqxNRmJ4PavntPRRI:sG6nytsNePmjvtPRRI

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 4 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in System32 directory 6 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a318bb4de7f7ad2901270ac5437f316e987b10b33484d4b449eff0a40485eaec.exe
    "C:\Users\Admin\AppData\Local\Temp\a318bb4de7f7ad2901270ac5437f316e987b10b33484d4b449eff0a40485eaec.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:2160
    • C:\Windows\SysWOW64\Npagjpcd.exe
      C:\Windows\system32\Npagjpcd.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:2792
      • C:\Windows\SysWOW64\Nlhgoqhh.exe
        C:\Windows\system32\Nlhgoqhh.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2168 -s 140
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\Nlhgoqhh.exe

    Filesize

    364KB

    MD5

    096bd25ffb16647fb8577c9da14aeab1

    SHA1

    485d423a94f28b040de7e9529500c634c2fce3cc

    SHA256

    d97617c5f485899f09a654128ace9d1e035f58366ad4ac91dfab1436023bc84a

    SHA512

    96d7606c3a01bf3a7f19bf0762a366c1cc9631a1140eb538ecf423070713f34bf7628fd815f2b79c2bee763d7395cb41e142d10146b8259dec255a906a8d13e7

  • \Windows\SysWOW64\Npagjpcd.exe

    Filesize

    364KB

    MD5

    1070c2ee886db07cf2c37559119209c6

    SHA1

    166a2fe50dad978c63020e21f62cf699b3f82fa3

    SHA256

    5412c939043b7ab3825149e33ddadddaca623527c016132862debf5c9b54ef29

    SHA512

    0707a862fa1103fdaba634ea447ffafccd4e53ba0be0ec01b47355c2fcefe3428691f0101e71c5c8a67f2a15d30b05a3589973302594e7578c137c378971e5e5

  • memory/2160-0-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2160-13-0x0000000000290000-0x00000000002C4000-memory.dmp

    Filesize

    208KB

  • memory/2160-12-0x0000000000290000-0x00000000002C4000-memory.dmp

    Filesize

    208KB

  • memory/2160-39-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2168-29-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2168-36-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2792-14-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB

  • memory/2792-27-0x0000000000250000-0x0000000000284000-memory.dmp

    Filesize

    208KB

  • memory/2792-26-0x0000000000250000-0x0000000000284000-memory.dmp

    Filesize

    208KB

  • memory/2792-37-0x0000000000400000-0x0000000000434000-memory.dmp

    Filesize

    208KB