Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    15-11-2023 01:35

General

  • Target

    NEAS.0ae1d069fb32eb0d1b5f3951de4af030.exe

  • Size

    89KB

  • MD5

    0ae1d069fb32eb0d1b5f3951de4af030

  • SHA1

    54002c4ac2459e7be4a794436ea755abf9fb02cc

  • SHA256

    2bae72dfed23f692ff088f685e27c19ede9186a88c805df5172f43da615b70c6

  • SHA512

    9af0ff14a47c6b0acd4e888fa6d39e4be6ef62bb5178adbe155fce6728ca97d995d3288733bfd58d5024d953c759590c58406c05b8db0cefd9b7cf80a231e297

  • SSDEEP

    1536:fq4rtHkA/IketmNHX8scmc38VaEok7tXT1YWxcjlExkg8Fk:f7EA/VesBXHc31Eow7cjlakgwk

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Malware Backdoor - Berbew 11 IoCs

    Berbew is a malware infection classified as a 'backdoor' Trojan. This malicious program's primary function is to cause chain infections - it can download/install additional malware such as other Trojans, ransomware, and cryptominers.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Drops file in System32 directory 3 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.0ae1d069fb32eb0d1b5f3951de4af030.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.0ae1d069fb32eb0d1b5f3951de4af030.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1164
    • C:\Windows\SysWOW64\Fkckeh32.exe
      C:\Windows\system32\Fkckeh32.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1708
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 140
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • C:\Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • \Windows\SysWOW64\Fkckeh32.exe

    Filesize

    89KB

    MD5

    93c1c8df701049256d1c47188cc88db2

    SHA1

    1b43a90777e5593b171f07b2cd6af224482dfabe

    SHA256

    0b298f5f15eef9a5808262429ace724b468cd82aaab5026050e30150c13e90aa

    SHA512

    4f38222d1a01bc78c74c3e61fbb1d2110a67573f50769347afe543ab4913ba9544676e827e8a586e6eb12af954bdc723a9cafb758bbd71e3160eaa8bdd1e2e4c

  • memory/1164-0-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/1164-6-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/1164-13-0x0000000000220000-0x0000000000260000-memory.dmp

    Filesize

    256KB

  • memory/1164-18-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB