Analysis

  • max time kernel
    127s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2023 19:29

General

  • Target

    AA_v32.exe

  • Size

    778KB

  • MD5

    121e1634bf18768802427f0a13f039a9

  • SHA1

    8868654ba10fb4c9a7bd882d1f947f4fd51e988e

  • SHA256

    5fc600351bade74c2791fc526bca6bb606355cc65e5253f7f791254db58ee7fa

  • SHA512

    393df326af3109fe701b579b73f42f7a9b155bb4df6ea7049ad3ae9fdd03446576b887a99eb7a0d59949a7a63367e223253448b6f1a0ebeaf358fa2873dcc200

  • SSDEEP

    12288:hSX+EvrCA3FNIs34Zk1L1ZSNlm3Spsal6lbRtMuStGKcsCSqcl90Va1ugp:2FNN4Zk1LTclm3e1kbRtyGKcpHcl517p

Score
10/10

Malware Config

Signatures

  • FlawedAmmyy RAT

    Remote-access trojan based on leaked code for the Ammyy remote admin software.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AA_v32.exe
    "C:\Users\Admin\AppData\Local\Temp\AA_v32.exe"
    1⤵
      PID:1400
    • C:\Users\Admin\AppData\Local\Temp\AA_v32.exe
      "C:\Users\Admin\AppData\Local\Temp\AA_v32.exe" -service -lunch
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Users\Admin\AppData\Local\Temp\AA_v32.exe
        "C:\Users\Admin\AppData\Local\Temp\AA_v32.exe"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        PID:1524

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\AMMYY\settings3.bin

      Filesize

      282B

      MD5

      ac7221c691ef0a93dbbb5bee6efcb7ec

      SHA1

      54f197fef16badefb4bf0d7339f6bd1099e505da

      SHA256

      b6b033b71d3f7f92986e32a61b3244b9856e82a9c3d233696a0dfa29a517106f

      SHA512

      226299ab1b7b388473163f4fecc41d536755586b4c275475128c5e5946554cd9ca69df223469130d85516f2ac2330a2cb35dec2879355ea0186b63d8429dcd6b

    • memory/1400-54-0x0000000075C11000-0x0000000075C13000-memory.dmp

      Filesize

      8KB

    • memory/1524-56-0x0000000000000000-mapping.dmp