Analysis

  • max time kernel
    103s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/04/2025, 19:32

General

  • Target

    dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe

  • Size

    2.0MB

  • MD5

    4aa312537e1070c0973034182e93661a

  • SHA1

    554a11bb09a19b930254510684eb9338b8483acd

  • SHA256

    dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91

  • SHA512

    74a3c9330ab3fe69d4c3b5d9b0831cf9f6420b15eb38e2aff1cd50a1b5c05d272ad413b10207d1025e7144a06b2e912f557cd9af48f0e3d1eea5cd89fcbfa90e

  • SSDEEP

    49152:DBPp7fcvG5folhCdDqXVAHF8OItSjbpwTpdOToS7eBfJXAu:DBB7fb5DlqX2HF8OIgXp268S7eBfKu

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Patch

C2

45.74.34.32:1994

Mutex

FGTRDSGDFBGGSDFG_S5S54SDF

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Detect Neshta payload 2 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3416
      • C:\Users\Admin\AppData\Local\Temp\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe
        "C:\Users\Admin\AppData\Local\Temp\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe"
        2⤵
        • Checks computer location settings
        • Modifies system executable filetype association
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:5440
        • C:\Users\Admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe
          "C:\Users\Admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Drops startup file
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3656
      • 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:5516

    Network

    MITRE ATT&CK Enterprise v16

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE

      Filesize

      86KB

      MD5

      3b73078a714bf61d1c19ebc3afc0e454

      SHA1

      9abeabd74613a2f533e2244c9ee6f967188e4e7e

      SHA256

      ded54d1fcca07b6bff2bc3b9a1131eac29ff1f836e5d7a7c5c325ec5abe96e29

      SHA512

      75959d4e8a7649c3268b551a2a378e6d27c0bfb03d2422ebeeb67b0a3f78c079473214057518930f2d72773ce79b106fd2d78405e8e3d8883459dcbb49c163c4

    • C:\Users\Admin\AppData\Local\Temp\3582-490\dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91.exe

      Filesize

      2.0MB

      MD5

      da7d0731577455065521c84834d16bfb

      SHA1

      d3ac6bfd398d5acd301b23110baf5c79598050a5

      SHA256

      24fffc42c2c512a729089fe6c8f2bd75f9bc697305911448e2c2fe5a5cfdc33c

      SHA512

      d3b215ab5b3f577d8a90d25e638c95460e4495da28a709710ada67c0ac25f92116b86310f9b4b3864dcaf0b298c7e04cdf84eca426bd9b9653a5a88c48bb6ab7

    • C:\Users\Admin\AppData\Roaming\prosecce.exe

      Filesize

      2.0MB

      MD5

      4aa312537e1070c0973034182e93661a

      SHA1

      554a11bb09a19b930254510684eb9338b8483acd

      SHA256

      dbf6a6e0987772661cbebb257cec32039d6a1782d1ddb6186f0988b552dedb91

      SHA512

      74a3c9330ab3fe69d4c3b5d9b0831cf9f6420b15eb38e2aff1cd50a1b5c05d272ad413b10207d1025e7144a06b2e912f557cd9af48f0e3d1eea5cd89fcbfa90e

    • memory/3656-12-0x000000007380E000-0x000000007380F000-memory.dmp

      Filesize

      4KB

    • memory/3656-13-0x0000000000A90000-0x0000000000C92000-memory.dmp

      Filesize

      2.0MB

    • memory/3656-14-0x0000000005640000-0x0000000005742000-memory.dmp

      Filesize

      1.0MB

    • memory/3656-15-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-40-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-68-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-78-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-76-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-74-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-72-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-70-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-66-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-64-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-63-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-60-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-58-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-56-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-54-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-52-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-50-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-48-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-46-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-44-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-38-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-36-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-32-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-30-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-28-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-27-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-24-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-20-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-18-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-16-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-42-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-34-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-22-0x0000000005640000-0x000000000573D000-memory.dmp

      Filesize

      1012KB

    • memory/3656-1434-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3656-1439-0x00000000057B0000-0x000000000580E000-memory.dmp

      Filesize

      376KB

    • memory/3656-1445-0x0000000005860000-0x00000000058BA000-memory.dmp

      Filesize

      360KB

    • memory/3656-1446-0x0000000005A10000-0x0000000005A5C000-memory.dmp

      Filesize

      304KB

    • memory/3656-1451-0x00000000061F0000-0x0000000006794000-memory.dmp

      Filesize

      5.6MB

    • memory/3656-1452-0x0000000005C40000-0x0000000005C94000-memory.dmp

      Filesize

      336KB

    • memory/3656-1459-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3656-1475-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3656-1476-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5516-1474-0x0000000000400000-0x0000000000412000-memory.dmp

      Filesize

      72KB

    • memory/5516-1477-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5516-1478-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5516-1482-0x0000000005680000-0x000000000571C000-memory.dmp

      Filesize

      624KB

    • memory/5516-1483-0x0000000005790000-0x00000000057F6000-memory.dmp

      Filesize

      408KB

    • memory/5516-1484-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB

    • memory/5516-1486-0x0000000073800000-0x0000000073FB0000-memory.dmp

      Filesize

      7.7MB