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Resubmissions

13/01/2025, 01:01

250113-bdb4qaxqdy 10

09/01/2025, 19:03

250109-xqsg5azndp 10

Analysis

  • max time kernel
    900s
  • max time network
    440s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/01/2025, 01:01

General

  • Target

    6c0f0e572cc778c48fd9f7e933ff9074b77228073245504f55170fb7f89bec94.exe

  • Size

    233KB

  • MD5

    3ae4d230b70fe627b578cec30d650733

  • SHA1

    3ba4c86e93be24bb289d7936012547cc76e74b5d

  • SHA256

    6c0f0e572cc778c48fd9f7e933ff9074b77228073245504f55170fb7f89bec94

  • SHA512

    062adeba5c336d23799b4ff2a3cf99715dbc604a621047a99afb4e81b05f07bd96d0cd25690ba3ce9f69bd6310c8321f4e7b5fd1be4a6e77794c59d1c6352dc4

  • SSDEEP

    6144:oDubaBBOBIIj6HLLYLCYJqvc1DQw3k+jjLb/8Hbxbs5VnzHI:Bbarw3kMb0lb4V

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/bot7510964527:AAGdCh-pkbTYHGH3dVQA167HKQ6_6_J6-Bg/sendMessage?chat_id=7551483138

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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c0f0e572cc778c48fd9f7e933ff9074b77228073245504f55170fb7f89bec94.exe
    C:\Users\Admin\AppData\Local\Temp\6c0f0e572cc778c48fd9f7e933ff9074b77228073245504f55170fb7f89bec94.exe cmd /c %SIGILL% "SIGTERM|DELETE|SIGKILL"
    1⤵
    • Checks computer location settings
    • 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:3588
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Wi-Fi Discovery
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3956
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:3632
      • C:\Windows\SysWOW64\findstr.exe
        findstr All
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4860
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /C chcp 65001 && netsh wlan show networks mode=bssid
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Windows\SysWOW64\chcp.com
        chcp 65001
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4560
      • C:\Windows\SysWOW64\netsh.exe
        netsh wlan show networks mode=bssid
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:4060
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "Chrome Update" /tr "C:\Users\Admin\AppData\Local\Temp\6c0f0e572cc778c48fd9f7e933ff9074b77228073245504f55170fb7f89bec94.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\577292e6bdb2776c512541cdca708ce0\msgid.dat

    Filesize

    4B

    MD5

    30a0b73609456022ae729282fd9753d4

    SHA1

    dd7c345319a74f7892d110b85aa8d335b27933aa

    SHA256

    441df4958cb3d20cf97190ce30da5884b185e6e14cd805979b2d0f07b7907593

    SHA512

    7dabe22671ca4c8339c4930d392b5af9b905ce59c84a43d0b970c256cdd5d76b621feb37d4ca798111707e82fc2c7f827b25f7ac49f89d15fdfd1b1ca96b9aaa

  • C:\Users\Admin\AppData\Local\d9491a7e36b0db53da3252fe6850846a\Admin@OFGADUSE_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\d9491a7e36b0db53da3252fe6850846a\Admin@OFGADUSE_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    ccf9d97b4681b8ed04b23106d8b26e86

    SHA1

    5df0daf6e6e32e006367ed5b1acd345bb9a0a278

    SHA256

    dce713b1810d562cfcca85f5cd268992badc1fd2131d3d33f4ea3e8609b90df7

    SHA512

    c1d9eb43f05f71bf47c18a6d92860a0a3d6778a5cc8a91c4f02930cd5efcbfac708617402ddbaa745d9e90a12cb99ffc29b24816089411279c6ffb704d58e5cb

  • memory/3588-4-0x0000000005DB0000-0x0000000006354000-memory.dmp

    Filesize

    5.6MB

  • memory/3588-0-0x000000007502E000-0x000000007502F000-memory.dmp

    Filesize

    4KB

  • memory/3588-5-0x00000000058E0000-0x0000000005972000-memory.dmp

    Filesize

    584KB

  • memory/3588-3-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-2-0x0000000004F90000-0x0000000004FF6000-memory.dmp

    Filesize

    408KB

  • memory/3588-145-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-148-0x000000007502E000-0x000000007502F000-memory.dmp

    Filesize

    4KB

  • memory/3588-151-0x0000000005D80000-0x0000000005D8A000-memory.dmp

    Filesize

    40KB

  • memory/3588-152-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-1-0x0000000000520000-0x0000000000560000-memory.dmp

    Filesize

    256KB

  • memory/3588-158-0x0000000006D40000-0x0000000006D52000-memory.dmp

    Filesize

    72KB

  • memory/3588-182-0x0000000075020000-0x00000000757D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3588-184-0x0000000007A30000-0x0000000007A3A000-memory.dmp

    Filesize

    40KB