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Resubmissions

12/03/2025, 21:32

250312-1dmynatxey 10

11/03/2025, 16:10

250311-tmgdxaxnx4 10

06/03/2025, 02:30

250306-cze8yav1az 10

Analysis

  • max time kernel
    900s
  • max time network
    901s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/03/2025, 16:10

General

  • Target

    977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe

  • Size

    376KB

  • MD5

    5022069109525eccc6b1f9aea5310c30

  • SHA1

    07427c696897bbe46a384aed624c4fd0b55d155c

  • SHA256

    977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1

  • SHA512

    d2c6b6175bf776d61efdeaf522ff5b73da883d84dfa10804d4bab2e0c8e83b82af839a0328e4ef1493dddf323edc2c496df55f13e99912b27a6b61d4cd363600

  • SSDEEP

    6144:nqEVr2/qK1pyQh6taaDBZ5/jsJVNA/yrg2Nz7Dw6qXaWB7dybpFr1:qEVr2/q08Qh2akBZdjsJVNA/92NjuaWE

Malware Config

Extracted

Family

revengerat

Botnet

NyanCatRevenge

C2

hpdndbnb.duckdns.org:2404

Mutex

90a49aa7c27647e

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

gpmaw.duckdns.org:3040

gpmaw.duckdns.org:2020

gpmaw.duckdns.org:4040

hpdndbnb.duckdns.org:3040

hpdndbnb.duckdns.org:2020

hpdndbnb.duckdns.org:4040

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    Acrobat Reader .exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Asyncrat family
  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Revengerat family
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Executes dropped EXE 10 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 24 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe
    "C:\Users\Admin\AppData\Local\Temp\977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Users\Admin\AppData\Local\Temp\977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe
      "C:\Users\Admin\AppData\Local\Temp\977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3612
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3488
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:5028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1.exe" "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3992
  • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
    C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
      "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe
      "C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:212
      • C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe
        "C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4428
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4748
        • C:\Windows\SysWOW64\schtasks.exe
          schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe'" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Scheduled Task/Job: Scheduled Task
          PID:4960
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe" "C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2004
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe'" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1224
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe'" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:4148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe" "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5064
  • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
    C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1444
    • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
      "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1444 -s 816
      2⤵
      • Program crash
      PID:1020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1444 -ip 1444
    1⤵
      PID:1708
    • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
      C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
      1⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4604
      • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe
        "C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe"
        2⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2448
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 816
        2⤵
        • Program crash
        PID:4296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 4604 -ip 4604
      1⤵
        PID:264
      • C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe
        "C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe"
        1⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:3952
        • C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe
          "C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe"
          2⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:3444
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe'" /f
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2376
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nano" /tr "'C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe'" /f
            3⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:1236
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c copy "C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe" "C:\Users\Admin\AppData\Roaming\Adobe Reader\Adobe Reader.exe"
          2⤵
          • System Location Discovery: System Language Discovery
          PID:2200

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        321B

        MD5

        08027eeee0542c93662aef98d70095e4

        SHA1

        42402c02bf4763fcd6fb0650fc13386f2eae8f9b

        SHA256

        1b9ec007ac8e7de37c61313c5e1b9444df6dc0cd9110553bfa281b13204a646d

        SHA512

        c4e7a17a1dc1f27c91791439d92435a5d750a065508e9539c9af458f21472a7ce45ba0666ef6855a00386e1a75c518d0908b82d929084a1b67ca4c65997a5979

      • C:\Users\Admin\AppData\Local\Temp\ASapAC\ASapAC.exe

        Filesize

        376KB

        MD5

        5022069109525eccc6b1f9aea5310c30

        SHA1

        07427c696897bbe46a384aed624c4fd0b55d155c

        SHA256

        977e5ce44a0ca0b374857f1f9ba476376ab41b7edf1117a3f5b805a69244f6f1

        SHA512

        d2c6b6175bf776d61efdeaf522ff5b73da883d84dfa10804d4bab2e0c8e83b82af839a0328e4ef1493dddf323edc2c496df55f13e99912b27a6b61d4cd363600

      • C:\Users\Admin\AppData\Local\Temp\ASapAC\AsyncClient no setting.exe

        Filesize

        280KB

        MD5

        211fe2f27eb6bb501821766ffe46f8c6

        SHA1

        cdb9c540719567b7ef64677f1fe030de377cb534

        SHA256

        6497a1878d2676ba6e4184692baceb2147f09a0cf6ce117ff09c8d759a64d3df

        SHA512

        fcf4c0284577d770f29520910c6e3d6121a35a9d68748708e8e9556d5ec811813525df7820e7b632122289de4e095f8a989a999f662526bf00c853f3057c9089

      • memory/212-33-0x00000000005E0000-0x000000000062C000-memory.dmp

        Filesize

        304KB

      • memory/2192-20-0x00000000003B0000-0x0000000000414000-memory.dmp

        Filesize

        400KB

      • memory/3364-5-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3364-4-0x0000000005770000-0x00000000057D6000-memory.dmp

        Filesize

        408KB

      • memory/3364-7-0x000000007523E000-0x000000007523F000-memory.dmp

        Filesize

        4KB

      • memory/3364-8-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3364-6-0x0000000005A50000-0x0000000005A5A000-memory.dmp

        Filesize

        40KB

      • memory/3364-1-0x0000000000310000-0x0000000000374000-memory.dmp

        Filesize

        400KB

      • memory/3364-2-0x0000000005BE0000-0x0000000006184000-memory.dmp

        Filesize

        5.6MB

      • memory/3364-3-0x00000000056D0000-0x0000000005762000-memory.dmp

        Filesize

        584KB

      • memory/3364-15-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3364-0-0x000000007523E000-0x000000007523F000-memory.dmp

        Filesize

        4KB

      • memory/3612-10-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3612-13-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3612-12-0x0000000075230000-0x00000000759E0000-memory.dmp

        Filesize

        7.7MB

      • memory/3612-11-0x00000000003E0000-0x00000000003EC000-memory.dmp

        Filesize

        48KB

      • memory/3952-46-0x0000000000240000-0x000000000028C000-memory.dmp

        Filesize

        304KB

      • memory/4428-36-0x0000000000400000-0x0000000000412000-memory.dmp

        Filesize

        72KB