Analysis

  • max time kernel
    60s
  • max time network
    36s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-01-2025 19:04

General

  • Target

    187ae0cb45f21b2fee6eacaf297bd965acdcd3822b3d0cd09602add1cf03cb40.exe

  • Size

    518KB

  • MD5

    f249f6f4f9d8c37b6eaa483e188b844e

  • SHA1

    fb2bc26dafdf08f306307c201575a2babf3046e7

  • SHA256

    187ae0cb45f21b2fee6eacaf297bd965acdcd3822b3d0cd09602add1cf03cb40

  • SHA512

    1e2ba01ad35fb34d4ff3af4acbe4f62c543a27db8e189eec91fcced1128f28999391efffbfcc2af55bbef6eb37004b1198f852b03605ce3eb29e0cb11fc052ec

  • SSDEEP

    6144:fSncRljDubaBBOBIIj6HLLYLCYJqvc1DiFGPNv67EA7bYiiRGbNGfAJDubaBBOBY:a4IbaMUbHiRcNqnbaExhNbxykvgItw

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/bot7289188591:AAFXBqcWy9p_LgUKTwd-Pcl7lvzedUGWL1E/sendMessage?chat_id=8079461533

https://api.telegram.org/bot7549728726:AAHzXc-gyGOx-FQMI8AFOLjShmKqbPw-tWU/sendMessage?chat_id=6759888267

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain
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 4 IoCs
  • Stormkitty family
  • Async RAT payload 2 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • 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) 14 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 12 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 18 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 4 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 4 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 3 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\187ae0cb45f21b2fee6eacaf297bd965acdcd3822b3d0cd09602add1cf03cb40.exe
    "C:\Users\Admin\AppData\Local\Temp\187ae0cb45f21b2fee6eacaf297bd965acdcd3822b3d0cd09602add1cf03cb40.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Users\Admin\AppData\Local\Temp\DXX.EXE
      "C:\Users\Admin\AppData\Local\Temp\DXX.EXE"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • 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:4480
      • 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:4272
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:216
        • 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:1144
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:392
      • 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:5064
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1032
        • 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:560
      • 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\DXX.EXE"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4100
    • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE
      "C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE"
      2⤵
      • Executes dropped EXE
      • 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:828
      • 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:2592
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2924
        • 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:2072
        • C:\Windows\SysWOW64\findstr.exe
          findstr All
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1104
      • 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:3176
        • C:\Windows\SysWOW64\chcp.com
          chcp 65001
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2720
        • 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:3164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\3c271aecb54282152a1b91b23790688e\Admin@SPDEBJWH_en-US\Browsers\Firefox\Bookmarks.txt

    Filesize

    105B

    MD5

    2e9d094dda5cdc3ce6519f75943a4ff4

    SHA1

    5d989b4ac8b699781681fe75ed9ef98191a5096c

    SHA256

    c84c98bbf5e0ef9c8d0708b5d60c5bb656b7d6be5135d7f7a8d25557e08cf142

    SHA512

    d1f7eed00959e902bdb2125b91721460d3ff99f3bdfc1f2a343d4f58e8d4e5e5a06c0c6cdc0379211c94510f7c00d7a8b34fa7d0ca0c3d54cbbe878f1e9812b7

  • C:\Users\Admin\AppData\Local\3c271aecb54282152a1b91b23790688e\Admin@SPDEBJWH_en-US\System\Process.txt

    Filesize

    4KB

    MD5

    c33f5a5f25cd5f4d6f327373f28836e0

    SHA1

    917d8f3f2985482983d5a12dcb7cba7ef934add1

    SHA256

    94ca4b24b5ecd9a4cb887ebb891de878f38fef0bba7f174e2c32c2731d733547

    SHA512

    9d4b2078730ca27c0811985126e842a9eae403d5935d3eca57774aa1721c0382faa1eafbafcd3c75af93f5ed11df6a80fef3da8568c6eb924d70180cb019f4f9

  • C:\Users\Admin\AppData\Local\Temp\DXX.EXE

    Filesize

    232KB

    MD5

    dc72ad72d4a83486477121eb6679ce77

    SHA1

    155d45d74ad3c17fc8186584c1d20fa0f8ef80e6

    SHA256

    a43d0af6d5d0ec78f6f9be2f5ee6acc80d3b3244a85c2a15ead0ca32f7e9fe43

    SHA512

    a77e0f65fdc93b07119e34265391886e095108349bdbab0440feb2ed49b3aef504337a9aab525b2265da488b3bbc5e46772c8a3da69547487b2da9000231b4ca

  • C:\Users\Admin\AppData\Local\Temp\SVCHOST.EXE

    Filesize

    232KB

    MD5

    905d8f8b1d16ce5c63f6a806e1efeb98

    SHA1

    75c8c39c0bb5e48f53f1585a9cefa03a997dc680

    SHA256

    78dcc1bbf29a5d6e5cb57506f273d41e8629232bc733bb4126955f40f60f63f4

    SHA512

    f0c00f773909bc0b04e638196f902f314d75000e04ed7bc72b3d9b35c4278de3f18d7e02aaf85e70207860aa3d920d167c62e14bbdf9289481bcf516ebf87a5f

  • C:\Users\Admin\AppData\Local\Temp\places.raw

    Filesize

    5.0MB

    MD5

    f81c619cf9a4d914ef742e20e6a8100a

    SHA1

    1e114d991f25e29c05b41cfbe6088bcb2de0161a

    SHA256

    9967b19424ce3d47a6794df3cb6fcae6728b4e352c80de74bb228f3f83fa2af2

    SHA512

    99130e9e3f20b6baefb26868db94c32449360fa8fc1db2db38caff8e7afd948c492603a2f2e9823bcad348b31870e0344832dff1b1877118c2ebdbcab11907a2

  • C:\Users\Admin\AppData\Local\Temp\tmp855C.tmp.dat

    Filesize

    114KB

    MD5

    d9f3a549453b94ec3a081feb24927cd7

    SHA1

    1af72767f6dfd1eaf78b899c3ad911cfa3cd09c8

    SHA256

    ff366f2cf27da8b95912968ac830f2db3823f77c342e73ee45ec335dbc2c1a73

    SHA512

    f48765c257e1539cacce536e4f757e3d06388a6e7e6c7f714c3fce2290ce7cdb5f0e8bb8db740b5899ba8b53e2ed8b47e08b0d043bb8df5a660841dc2c204029

  • C:\Users\Admin\AppData\Local\Temp\tmp855E.tmp.dat

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\Users\Admin\AppData\Local\Temp\tmp8561.tmp.dat

    Filesize

    116KB

    MD5

    f70aa3fa04f0536280f872ad17973c3d

    SHA1

    50a7b889329a92de1b272d0ecf5fce87395d3123

    SHA256

    8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8

    SHA512

    30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84

  • C:\Users\Admin\AppData\Local\a7e66168c532deaba931e9a4083d499e\msgid.dat

    Filesize

    5B

    MD5

    d5bb9cf6866fa9b987b5b64c6c28f1f3

    SHA1

    880f2628df7f407c898c8995f4378e2c693cd67c

    SHA256

    02f186e541967f2429f49c5c0f0379f519d311719358aa5529eea302023925b7

    SHA512

    da10bff9a37e286c6b16b18294edd9cbefcf357981504109f08b6323fe40ebc9d98ebdafcc39e1652f3e1ebc4de94c98f8b6052593802408340d68fed06d7d20

  • C:\Users\Admin\AppData\Local\cd006780553172b93a67b1ecc2634024\msgid.dat

    Filesize

    3B

    MD5

    0f28b5d49b3020afeecd95b4009adf4c

    SHA1

    c9ca442765657fc90e9e779c34d0d2259d2c3c5b

    SHA256

    2c7d5490e6050836f8f2f0d496b1c8d6a38d4ffac2b898e6e77751bdcd20ebf5

    SHA512

    8890d3ccf335b34347e1417ef23524110ba9aefe3b98596797d897d5a0a1951718c55f471101ac7b902b693358930f091c7cb91fd9630eb9f469e6e44f35690e

  • memory/828-26-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/828-320-0x0000000006CC0000-0x0000000006CCA000-memory.dmp

    Filesize

    40KB

  • memory/828-384-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/828-334-0x0000000006D90000-0x0000000006DA2000-memory.dmp

    Filesize

    72KB

  • memory/828-23-0x0000000000D90000-0x0000000000DD0000-memory.dmp

    Filesize

    256KB

  • memory/828-24-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/828-309-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-310-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-308-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/4480-29-0x0000000005BA0000-0x0000000005C32000-memory.dmp

    Filesize

    584KB

  • memory/4480-323-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-25-0x0000000000940000-0x0000000000980000-memory.dmp

    Filesize

    256KB

  • memory/4480-22-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

    Filesize

    4KB

  • memory/4480-27-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-28-0x0000000005F70000-0x0000000006514000-memory.dmp

    Filesize

    5.6MB

  • memory/4480-385-0x0000000074A30000-0x00000000751E0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-386-0x0000000007E50000-0x0000000007E5A000-memory.dmp

    Filesize

    40KB