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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 08:17

General

  • Target

    表 格-uninstall.exe

  • Size

    67KB

  • MD5

    63d3c299bf6192a6c627c3092333ae77

  • SHA1

    a661cb7a1e16af2e9385860baf5b9ab5bf3982a4

  • SHA256

    531e5806c4df096d9eea5f9e98b2ea67ba2b5dae88a96879c986698646b6f223

  • SHA512

    d19a0b4013452094ee9105e07f61db65efd08327c90e1d95767c7beefe921dfcd51c892ed880e211b2f4c9d31d905accc572f68e6add66a4568c6f2b99938350

  • SSDEEP

    1536:WwMNhzHy/NTQt17OvUo9OMarkzer/rdX:8TST+Or2r/rd

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    154.91.90.51
  • Port:
    21
  • Username:
    123
  • Password:
    123

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\表 格-uninstall.exe
    "C:\Users\Admin\AppData\Local\Temp\表 格-uninstall.exe"
    1⤵
    • Loads dropped DLL
    • Enumerates connected drives
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1856
    • C:\ProgramData\Adobe\winword.exe
      C:\ProgramData\Adobe\winword.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\Adobe\winword.exe

    Filesize

    1.4MB

    MD5

    15e52f52ed2b8ed122fae897119687c4

    SHA1

    6e35ae1d5b6f192109d7a752acd939f5ca2b97a6

    SHA256

    8cfb55087fa8e4c1e7bcc580d767cf2c884c1b8c890ad240c1e7009810af6736

    SHA512

    338c12af5af509c19932619007ab058e0e97b65fe32609f14d29f6cc7818814dbdbb8613f81146a10a78197b3f6fbc435fab9fe1537d1eb83c30b9f4487b6aea

  • \ProgramData\Adobe\wwlib.dll

    Filesize

    85KB

    MD5

    dd6d3e65f67821f07acca9ba0e31908f

    SHA1

    be8fbb43593aff066c082043a83e8901d5e2993b

    SHA256

    ff53f566a2a46602b38259e64345541c86b09c8c907b6179e4e338e762dfeb4f

    SHA512

    8ca45354be17af363d6764e3ce450ffa72a527b1bbf2dbe46e2ec3e00845044eb2516a57b3b3e91ca6d343dff39da304bdf80a43af55f11609c428265db00aba

  • memory/1856-16-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-52-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-6-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-7-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-8-0x0000000002B10000-0x0000000002B42000-memory.dmp

    Filesize

    200KB

  • memory/1856-9-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-10-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-11-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-12-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-13-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-14-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-15-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-5-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-2-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-34-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-3-0x0000000002D70000-0x0000000002DF1000-memory.dmp

    Filesize

    516KB

  • memory/1856-17-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-35-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-4-0x0000000000460000-0x0000000000482000-memory.dmp

    Filesize

    136KB

  • memory/1856-37-0x00000000027A0000-0x0000000002805000-memory.dmp

    Filesize

    404KB

  • memory/1856-36-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-51-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-18-0x0000000010000000-0x00000000101AE000-memory.dmp

    Filesize

    1.7MB

  • memory/1856-53-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-55-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB

  • memory/1856-54-0x0000000002F60000-0x0000000002F98000-memory.dmp

    Filesize

    224KB