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Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 11:26

General

  • Target

    002e8d95c4d009cda92b5708f324a5107c42b7739c5a37b3960b245006170a6d_JC.exe

  • Size

    66KB

  • MD5

    dbdf4dcd5a445b96105a6a5912c8416e

  • SHA1

    29bb622030a2dc69903156d4804e900ca6211cf6

  • SHA256

    002e8d95c4d009cda92b5708f324a5107c42b7739c5a37b3960b245006170a6d

  • SHA512

    9372b81ada3bd4bc6c593c9ee23ff358d466c066ecb19f5157160d79ca1c59e523fd551ecb6356e6553127aa98b9f67880cd60c62bf0a1831ddaa5f2fa4c7d1a

  • SSDEEP

    1536:ZmImx6tX2kNff4sKu+UYFpGqhsORf9tbfvVb8v9rBeBGrSTGZx:Zm9x6tmkN7Ku+UYFpHpbZb87IGIax

Malware Config

Extracted

Family

asyncrat

Version

| Edit 3LOSH RAT

Botnet

WSKRRR2024

C2

nsairoet.kozow.com:2033

nsairoet.kozow.com:2034

nsairoet.kozow.com:2035

nsairoet.kozow.com:2022

nsairoet.kozow.com:2023

nsairoet.kozow.com:2024

Mutex

AsyncMutex_XXX836544

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#.

  • Async RAT payload 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\002e8d95c4d009cda92b5708f324a5107c42b7739c5a37b3960b245006170a6d_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\002e8d95c4d009cda92b5708f324a5107c42b7739c5a37b3960b245006170a6d_JC.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1064

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab49A0.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • memory/1064-0-0x0000000000A80000-0x0000000000A96000-memory.dmp

    Filesize

    88KB

  • memory/1064-1-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1064-2-0x00000000008D0000-0x0000000000910000-memory.dmp

    Filesize

    256KB

  • memory/1064-19-0x00000000744F0000-0x0000000074BDE000-memory.dmp

    Filesize

    6.9MB

  • memory/1064-20-0x00000000008D0000-0x0000000000910000-memory.dmp

    Filesize

    256KB