Resubmissions

13-01-2025 01:07

250113-bg171syjbs 10

12-01-2025 12:47

250112-pz9h1avpfj 10

10-01-2025 14:48

250110-r6gsnsxmd1 10

Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 14:48

General

  • Target

    e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe

  • Size

    760KB

  • MD5

    d2b8506820fe3c39b6b5e891170f3451

  • SHA1

    30f6fa21f06d99b0254fa1ff387c45921317eda7

  • SHA256

    e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480

  • SHA512

    15b10c694ff797b8ffbcde18752c2df2d16f961d367794df7f8932bb5bc861faef9984b6b780910eb28c5e1caaa302a0d39d9ca44fb988e84a232d24b7f28781

  • SSDEEP

    12288:YjlIpHtMPku+l0CPPoJts5Pic17D44ehsA4iFMZUiqrbA8yJNB:YjlIhSPd+pWtAPic17Dehx442B

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) 9 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 27 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
    "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe
      "C:\Users\Admin\AppData\Local\Temp\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.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:3616
      • 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:4108
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1176
        • 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:3268
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4704
      • 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:4668
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4360
        • 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:4356

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\4042953f668bf83f4ee35e8fb2905b18\Admin@YLFOGIOE_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\4042953f668bf83f4ee35e8fb2905b18\Admin@YLFOGIOE_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    bf7af9edb4689cd64e62a8ee69b0c194

    SHA1

    ba75aaf50a6d64afd552c536da63143f7a913fc7

    SHA256

    479937821df1344cede880d488c5101d1eb0103f15687e111e7e639709548f1c

    SHA512

    c7a790719280d0e5b500bdae583ad5c64e420c6316486394bed90834f805fc43d52203fc974ce06f4614145066317939a97b9f6ae82bae42cb7cc8a24616bb4f

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e1e6a513abf55583458cd88ec8b7af9ce2a60d169526b0e6a31183a7688b8480.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\e92a29374fd9a32f6685536972cb8c11\msgid.dat

    Filesize

    1B

    MD5

    cfcd208495d565ef66e7dff9f98764da

    SHA1

    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

    SHA256

    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

    SHA512

    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

  • memory/1508-6-0x0000000005CE0000-0x0000000005D06000-memory.dmp

    Filesize

    152KB

  • memory/1508-3-0x0000000005A40000-0x0000000005AD2000-memory.dmp

    Filesize

    584KB

  • memory/1508-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

    Filesize

    4KB

  • memory/1508-7-0x00000000751AE000-0x00000000751AF000-memory.dmp

    Filesize

    4KB

  • memory/1508-8-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/1508-9-0x00000000053A0000-0x0000000005416000-memory.dmp

    Filesize

    472KB

  • memory/1508-10-0x000000000B970000-0x000000000BA0C000-memory.dmp

    Filesize

    624KB

  • memory/1508-1-0x0000000000F40000-0x0000000001004000-memory.dmp

    Filesize

    784KB

  • memory/1508-4-0x0000000005A00000-0x0000000005A0A000-memory.dmp

    Filesize

    40KB

  • memory/1508-15-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/1508-2-0x0000000005F50000-0x00000000064F4000-memory.dmp

    Filesize

    5.6MB

  • memory/1508-5-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-16-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-17-0x0000000005060000-0x00000000050C6000-memory.dmp

    Filesize

    408KB

  • memory/3616-128-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-14-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-150-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-163-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB

  • memory/3616-168-0x0000000005D00000-0x0000000005D0A000-memory.dmp

    Filesize

    40KB

  • memory/3616-11-0x0000000000400000-0x0000000000432000-memory.dmp

    Filesize

    200KB

  • memory/3616-174-0x00000000751A0000-0x0000000075950000-memory.dmp

    Filesize

    7.7MB