Analysis

  • max time kernel
    135s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-06-2023 07:38

General

  • Target

    IgXNkefSCwhtVCR.exe

  • Size

    627KB

  • MD5

    c7b595da0280818998af6a5eaabeb6ed

  • SHA1

    97e0e2c7be4b44d058c4e40e75ff59582917a8e7

  • SHA256

    63b2add18bbd481c278a85e74c496918a12ea951301951134956e0b4449ebf39

  • SHA512

    01913066f42efc8dbe369239b260802a3280da9045ffd59a298acb9cb6bd9e877d9072c12cef8bee36b53ed1ed1715b4268c0cfa325aacdf5d351fb14c6eb3d2

  • SSDEEP

    12288:8Gmp0lWxMzIHREJVk/bq4izoW/m7/ePmr9eRf5ORReTed59dTqGiyxA+kqIt:dmilWxMiQW/O4ue7/ePNRROiyd+mO+k

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

95.214.27.44:6606

95.214.27.44:7707

95.214.27.44:8808

Mutex

AsyncMutex_6SI8OkPnk

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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe
    "C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe
      "C:\Users\Admin\AppData\Local\Temp\IgXNkefSCwhtVCR.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1284

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\IgXNkefSCwhtVCR.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1284-140-0x0000000000400000-0x0000000000412000-memory.dmp
    Filesize

    72KB

  • memory/1284-143-0x00000000051D0000-0x00000000051E0000-memory.dmp
    Filesize

    64KB

  • memory/1284-144-0x00000000051D0000-0x00000000051E0000-memory.dmp
    Filesize

    64KB

  • memory/1284-145-0x0000000005660000-0x00000000056C6000-memory.dmp
    Filesize

    408KB

  • memory/2548-133-0x0000000000550000-0x00000000005F4000-memory.dmp
    Filesize

    656KB

  • memory/2548-134-0x00000000054C0000-0x0000000005A64000-memory.dmp
    Filesize

    5.6MB

  • memory/2548-135-0x0000000004FF0000-0x0000000005082000-memory.dmp
    Filesize

    584KB

  • memory/2548-136-0x0000000004FD0000-0x0000000004FDA000-memory.dmp
    Filesize

    40KB

  • memory/2548-137-0x0000000004F90000-0x0000000004FA0000-memory.dmp
    Filesize

    64KB

  • memory/2548-138-0x0000000004F90000-0x0000000004FA0000-memory.dmp
    Filesize

    64KB

  • memory/2548-139-0x0000000008220000-0x00000000082BC000-memory.dmp
    Filesize

    624KB