Resubmissions

13-01-2025 01:06

250113-bgbx5a1jhm 10

12-01-2025 12:48

250112-p19kdsspf1 10

10-01-2025 14:36

250110-ryw8dsxkds 10

Analysis

  • max time kernel
    894s
  • max time network
    429s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-01-2025 12:48

General

  • Target

    5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe

  • Size

    912KB

  • MD5

    fef7aab8bbb6e60534edc8db7aaff00a

  • SHA1

    399d65a862501cdcd32983425efc1a99b85f953e

  • SHA256

    5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513

  • SHA512

    5b3395c131afd4c73d02b1c95397187fc78d62e393872b776d0edef8471041a91d424a17bfde311801b83eb56c0457aaaa9758d0112347d9bce2af1ff2bfaaa3

  • SSDEEP

    12288:av8DWIoShwKj64KBRzeFKjQlGHIvGFJbnKy0FClmRk3yB:k86IoBCmBQFKjkGHIvGqXYykiB

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6331768257:AAE1Rrc3F4A-nTJkfXEukNBriTate8i72L8/sendMessage?chat_id=5287158069

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#.

  • Asyncrat family
  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Stormkitty family
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops desktop.ini file(s) 8 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
    C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe
      "C:\Users\Admin\AppData\Local\Temp\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe"
      2⤵
      • Drops desktop.ini file(s)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2380
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4572
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show profile
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Wi-Fi Discovery
          PID:2112
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3232
      • C:\Windows\SysWOW64\cmd.exe
        "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2964
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4940
        • C:\Windows\SysWOW64\netsh.exe
          netsh wlan show networks mode=bssid
          4⤵
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:3268

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\577292e6bdb2776c512541cdca708ce0\Admin@OFGADUSE_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\577292e6bdb2776c512541cdca708ce0\Admin@OFGADUSE_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    28506e729323517d60e1ca87ad54f12f

    SHA1

    dbb37537de3037d95a56fbb576178425666112da

    SHA256

    531c97c7555695780d5bd796e437ca797e7eea87fc727a631993dbe936e0b5df

    SHA512

    f5cef431af4bafe3e2f68809cf91ca78b81472135422c8b60748f032376a5b45b17ff09a0b82ffb583444dbe46458549a9cb10d08c4837c9bb040966a14ed286

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5fe6e19d2d832aa15fbad4b015f118e0915ee904c4c0db8f58b9af90ce011513.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\c4c3ed8fd50991c3fcd361a6269e70df\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1100-6-0x0000000004FD0000-0x0000000004FEE000-memory.dmp

    Filesize

    120KB

  • memory/1100-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

    Filesize

    584KB

  • memory/1100-0-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/1100-7-0x00000000744CE000-0x00000000744CF000-memory.dmp

    Filesize

    4KB

  • memory/1100-8-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/1100-9-0x0000000007B70000-0x0000000007BE6000-memory.dmp

    Filesize

    472KB

  • memory/1100-10-0x000000000A340000-0x000000000A3DC000-memory.dmp

    Filesize

    624KB

  • memory/1100-1-0x0000000000340000-0x000000000042A000-memory.dmp

    Filesize

    936KB

  • memory/1100-4-0x0000000004E30000-0x0000000004E3A000-memory.dmp

    Filesize

    40KB

  • memory/1100-2-0x0000000005380000-0x0000000005924000-memory.dmp

    Filesize

    5.6MB

  • memory/1100-15-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/1100-5-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-16-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-17-0x0000000005820000-0x0000000005886000-memory.dmp

    Filesize

    408KB

  • memory/2380-139-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-14-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-162-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-163-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB

  • memory/2380-168-0x0000000006420000-0x000000000642A000-memory.dmp

    Filesize

    40KB

  • memory/2380-11-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/2380-174-0x00000000744C0000-0x0000000074C70000-memory.dmp

    Filesize

    7.7MB