Analysis

  • max time kernel
    118s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    29-10-2024 13:46

General

  • Target

    DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616302549832310416334535675443006541.exe

  • Size

    999KB

  • MD5

    6431f7984d12c865aec4cda803fffe1a

  • SHA1

    e34a2ced4f1b0bc8757d1b8c7d0c7461478601b3

  • SHA256

    3f1c7adf6a76d7c313bf833ce9d41cd09ad28ece3c9d56e25a0561d30225c17f

  • SHA512

    d54cf665dd7607befae35e971f21d4fa3f65c8af30838c0342f988b4f6db0ffb896da167f13c4cb2e1ddc8126fd9cf7cc65d6ba9ca33144482b692e9879835ff

  • SSDEEP

    24576:lvFmm+Zq7F9+XTI9p/Vqh0CyTyQROqZVZXpWOseQty:UoDvfxpn3

Malware Config

Extracted

Family

asyncrat

Version

0.5.7A

Botnet

SCREEM

C2

screem1.duckdns.org:7707

screem1.duckdns.org:6606

Mutex

uuooxuxbnkywum

Attributes
  • delay

    1

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616302549832310416334535675443006541.exe
    "C:\Users\Admin\AppData\Local\Temp\DOCUMENTOS DETALLADOS PARA CONTROL Y COBRO, PROCESO LEGAL 987452195412098416235616302549832310416334535675443006541.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:5848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab97DE.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • memory/1900-0-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/1900-1-0x0000000001250000-0x000000000134E000-memory.dmp

    Filesize

    1016KB

  • memory/1900-2-0x0000000004BC0000-0x0000000004CA8000-memory.dmp

    Filesize

    928KB

  • memory/1900-3-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-4-0x0000000004DB0000-0x0000000004E98000-memory.dmp

    Filesize

    928KB

  • memory/1900-5-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-16-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-40-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-38-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-36-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-34-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-32-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-30-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-28-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-26-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-24-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-22-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-20-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-18-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-14-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-12-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-10-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-8-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-6-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-42-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-44-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-52-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-50-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-48-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-46-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-54-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-56-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-58-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-60-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-62-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-64-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-66-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-68-0x0000000004DB0000-0x0000000004E93000-memory.dmp

    Filesize

    908KB

  • memory/1900-1079-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-1080-0x00000000011B0000-0x000000000120C000-memory.dmp

    Filesize

    368KB

  • memory/1900-1081-0x0000000000C10000-0x0000000000C5C000-memory.dmp

    Filesize

    304KB

  • memory/1900-1082-0x000000007475E000-0x000000007475F000-memory.dmp

    Filesize

    4KB

  • memory/1900-1083-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/1900-1084-0x0000000001120000-0x0000000001174000-memory.dmp

    Filesize

    336KB

  • memory/1900-1103-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/5848-1102-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/5848-1104-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/5848-1105-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/5848-1122-0x0000000074750000-0x0000000074E3E000-memory.dmp

    Filesize

    6.9MB