Analysis

  • max time kernel
    154s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-01-2023 19:45

General

  • Target

    2c0104fcca2ac01baf9d38f9b87f00205c15904b5e63f625fadd82ba293c50ad.exe

  • Size

    9.8MB

  • MD5

    fd86b6c98d65c9d38322424386034c81

  • SHA1

    9c548ab70e4d4f18e92b5cdd62c909c58f5e9b66

  • SHA256

    2c0104fcca2ac01baf9d38f9b87f00205c15904b5e63f625fadd82ba293c50ad

  • SHA512

    6eed4fdb7b3c5896ffa93a20671e36068258425e2ac29edcedfd2638a2ea7a16b302ac8e91a91ef3061355ea1c0e154976476d1ea9d15409fe830cebf31a2f12

  • SSDEEP

    196608:6C86m9+NO3mj55jt28jBDpOGce1rjUhz+XshT3olw39xPis5BskMoiE:6C86SMO3iDhBU5hT3o239xqo

Malware Config

Extracted

Family

quasar

Version

2.6.0.0

Botnet

defender

C2

20.82.128.5:4444

Mutex

HkuL6QRMZaTdYNlEJY

Attributes
  • encryption_key

    auS4Dqyt2zp1gKolism7

  • install_name

    Venom.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Venom Client Startup

  • subdirectory

    C:\Users\neilish\Desktop\rat

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

20.199.40.163:4444

Mutex

Launcher

Attributes
  • reg_key

    Launcher

  • splitter

    |-F-|

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar payload 1 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 7 IoCs
  • Checks computer location settings 2 TTPs 4 IoCs

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

  • Drops startup file 5 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 28 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs
  • Views/modifies file attributes 1 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c0104fcca2ac01baf9d38f9b87f00205c15904b5e63f625fadd82ba293c50ad.exe
    "C:\Users\Admin\AppData\Local\Temp\2c0104fcca2ac01baf9d38f9b87f00205c15904b5e63f625fadd82ba293c50ad.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1200
    • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe
      "C:\Users\Admin\AppData\Roaming\proton_nutsed.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:932
      • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe
        "C:\Users\Admin\AppData\Roaming\proton_nutsed.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4960
        • C:\Windows\SysWOW64\schtasks.exe
          "schtasks" /create /tn "Venom Client Startup" /sc ONLOGON /tr "C:\Users\neilish\Desktop\rat\Venom.exe" /rl HIGHEST /f
          4⤵
          • Creates scheduled task(s)
          PID:5000
    • C:\Users\Admin\AppData\Roaming\launcher.exe
      "C:\Users\Admin\AppData\Roaming\launcher.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3644
      • C:\Users\Admin\AppData\Local\Temp\FiveM_Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\FiveM_Launcher.exe"
        3⤵
        • Executes dropped EXE
        PID:4692
      • C:\Users\Admin\AppData\Local\Temp\launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\launcher.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\Users\Admin\AppData\Roaming\build.exe
          "C:\Users\Admin\AppData\Roaming\build.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Drops startup file
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:2164
          • C:\Users\Admin\AppData\Roaming\Lancher.exe
            "C:\Users\Admin\AppData\Roaming\Lancher.exe"
            5⤵
            • Executes dropped EXE
            • Drops startup file
            • Adds Run key to start application
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1116
            • C:\Windows\SysWOW64\attrib.exe
              attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Launcher.exe"
              6⤵
              • Drops startup file
              • Views/modifies file attributes
              PID:4984
            • C:\Windows\SysWOW64\attrib.exe
              attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Launcher.exe"
              6⤵
              • Views/modifies file attributes
              PID:4616
          • C:\Windows\SysWOW64\attrib.exe
            attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Lancher.exe"
            5⤵
            • Views/modifies file attributes
            PID:1292

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    410B

    MD5

    3bbb825ef1319deb378787046587112b

    SHA1

    67da95f0031be525b4cf10645632ca34d66b913b

    SHA256

    d9c6d00fad02f7a9ef0fcddc298ffd58b17020fb12b1336d5733237cbfadb1e0

    SHA512

    7771ae543e188d544e1bb6c65e0453a6777c1c39790a355f4cce652a815bfaf94dd426de3db910a67bd06e463ac0143d9e2ca44d2b12af7f0d84c27b4a09cc54

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

    Filesize

    4.1MB

    MD5

    d97d05bc66dd1f32b058efe158a8a0d7

    SHA1

    249f438bb523fa16535c5e136aced415ac9f500c

    SHA256

    6714c9c4d30e77ec4d73efaa3e599c2021ef5ada3806a0c2ffa660af147de4fd

    SHA512

    dc1775f16efeb82fb46212697987090d10bc965ef695481640b41956620b30905d6e2e56738696c36a30163bd8e47d5311a3b496702cc9b2ab4a286fb0209ae1

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

    Filesize

    4.1MB

    MD5

    d97d05bc66dd1f32b058efe158a8a0d7

    SHA1

    249f438bb523fa16535c5e136aced415ac9f500c

    SHA256

    6714c9c4d30e77ec4d73efaa3e599c2021ef5ada3806a0c2ffa660af147de4fd

    SHA512

    dc1775f16efeb82fb46212697987090d10bc965ef695481640b41956620b30905d6e2e56738696c36a30163bd8e47d5311a3b496702cc9b2ab4a286fb0209ae1

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

    Filesize

    115KB

    MD5

    92e7b3f8c98bf7e5364895375f1f21e0

    SHA1

    9bcdde5a659124a7eb104806164cba6a401a2cca

    SHA256

    f53dc81b434a31269a56a9493c9b3709293dc10d91acdc9eb081700152b52f1a

    SHA512

    d2d5ce098cc683cbf3c3af854ca790a1730d1723b72a3aec309f25266b92ac9806c5ad11c27119f9af9a17490d68dd312f831339a54eadb2152b916f4513a129

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

    Filesize

    115KB

    MD5

    92e7b3f8c98bf7e5364895375f1f21e0

    SHA1

    9bcdde5a659124a7eb104806164cba6a401a2cca

    SHA256

    f53dc81b434a31269a56a9493c9b3709293dc10d91acdc9eb081700152b52f1a

    SHA512

    d2d5ce098cc683cbf3c3af854ca790a1730d1723b72a3aec309f25266b92ac9806c5ad11c27119f9af9a17490d68dd312f831339a54eadb2152b916f4513a129

  • C:\Users\Admin\AppData\Roaming\Lancher.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • C:\Users\Admin\AppData\Roaming\Lancher.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Launcher.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Launcher.lnk

    Filesize

    1KB

    MD5

    b274fc189392b6f46e3e0dfb51350f21

    SHA1

    ffdf514e6ffd7c7bca7d06da8c7ca40723b2c151

    SHA256

    0fc3e9b627323dc5eb9aba3c729052f4137e425595f045fb60a8c8817dd34af5

    SHA512

    33071b6652bd291cfee9e4bb777afc271360e82b2d473bf1d1951a95dc692db68d5c7c72c6d70b6bbf07bea816d4b433694583d21aad1b6e8ae6cd20555f9152

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Launcher.lnk

    Filesize

    1KB

    MD5

    2ebb9c81fec38b8a9c0c60315377dd93

    SHA1

    36aff15f7a61c43d00f33a08ed9e46f194aa139d

    SHA256

    484c58549db044a4d37e2b1c2601440051208ac45cd1453ca33268f5a80db6db

    SHA512

    478300e810193d4495ff3d626394bcca1e542430aa4e79573d8e2b9ec47e8951b068b0317aaeb4ac7d4afc8b744a4d8808e15cce74b5dfd13fad13ad0a777055

  • C:\Users\Admin\AppData\Roaming\build.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • C:\Users\Admin\AppData\Roaming\build.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • C:\Users\Admin\AppData\Roaming\launcher.exe

    Filesize

    7.5MB

    MD5

    cda766c0b83e282f69aaa18f3684b4c2

    SHA1

    bf7acb1048f02d3cb0738827d2ad326c99b92bde

    SHA256

    a793fe6608b572bc6052e1e4a77bbdf607a38b5194ae9e1bc1abecdb3e61dfb4

    SHA512

    1d5971172f54bddb35c8f98e0b7ac3d0f0e49e4a2272b732dfed2bbfa9e440d6a58af0c2b2b7553946cf6540c6df22884476e6bfb159dd12cddff249c70f0ed6

  • C:\Users\Admin\AppData\Roaming\launcher.exe

    Filesize

    7.5MB

    MD5

    cda766c0b83e282f69aaa18f3684b4c2

    SHA1

    bf7acb1048f02d3cb0738827d2ad326c99b92bde

    SHA256

    a793fe6608b572bc6052e1e4a77bbdf607a38b5194ae9e1bc1abecdb3e61dfb4

    SHA512

    1d5971172f54bddb35c8f98e0b7ac3d0f0e49e4a2272b732dfed2bbfa9e440d6a58af0c2b2b7553946cf6540c6df22884476e6bfb159dd12cddff249c70f0ed6

  • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe

    Filesize

    3.8MB

    MD5

    b0ea73cc98e5b248955ae7bac0f9d031

    SHA1

    18e03a76d01d7f8b423cabb42134f8149732cdea

    SHA256

    c2ea4b1081b9d58f43bf9f695044782b10fd4884bf90ad9ca068a181fb578f64

    SHA512

    5794fcbee980e3e865ce0547819d55e3ec3dfcbdf5239fc0642a4c6519ac072d4193f846506e6b8f810fe3feeea9bd0861716981cebd4868949184d9d520e83f

  • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe

    Filesize

    3.8MB

    MD5

    b0ea73cc98e5b248955ae7bac0f9d031

    SHA1

    18e03a76d01d7f8b423cabb42134f8149732cdea

    SHA256

    c2ea4b1081b9d58f43bf9f695044782b10fd4884bf90ad9ca068a181fb578f64

    SHA512

    5794fcbee980e3e865ce0547819d55e3ec3dfcbdf5239fc0642a4c6519ac072d4193f846506e6b8f810fe3feeea9bd0861716981cebd4868949184d9d520e83f

  • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe

    Filesize

    3.8MB

    MD5

    b0ea73cc98e5b248955ae7bac0f9d031

    SHA1

    18e03a76d01d7f8b423cabb42134f8149732cdea

    SHA256

    c2ea4b1081b9d58f43bf9f695044782b10fd4884bf90ad9ca068a181fb578f64

    SHA512

    5794fcbee980e3e865ce0547819d55e3ec3dfcbdf5239fc0642a4c6519ac072d4193f846506e6b8f810fe3feeea9bd0861716981cebd4868949184d9d520e83f

  • memory/932-144-0x0000000004F60000-0x0000000004FF2000-memory.dmp

    Filesize

    584KB

  • memory/932-143-0x00000000055D0000-0x0000000005B74000-memory.dmp

    Filesize

    5.6MB

  • memory/932-140-0x00000000001E0000-0x00000000005A8000-memory.dmp

    Filesize

    3.8MB

  • memory/932-133-0x0000000000000000-mapping.dmp

  • memory/1116-176-0x0000000070360000-0x0000000070911000-memory.dmp

    Filesize

    5.7MB

  • memory/1116-180-0x0000000070360000-0x0000000070911000-memory.dmp

    Filesize

    5.7MB

  • memory/1116-169-0x0000000000000000-mapping.dmp

  • memory/1200-139-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/1200-132-0x0000000075470000-0x0000000075A21000-memory.dmp

    Filesize

    5.7MB

  • memory/1292-172-0x0000000000000000-mapping.dmp

  • memory/1820-156-0x0000000000810000-0x0000000000834000-memory.dmp

    Filesize

    144KB

  • memory/1820-152-0x0000000000000000-mapping.dmp

  • memory/1820-158-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp

    Filesize

    10.8MB

  • memory/1820-166-0x00007FFFEE480000-0x00007FFFEEF41000-memory.dmp

    Filesize

    10.8MB

  • memory/2164-162-0x0000000000000000-mapping.dmp

  • memory/2164-168-0x0000000070360000-0x0000000070911000-memory.dmp

    Filesize

    5.7MB

  • memory/2164-175-0x0000000070360000-0x0000000070911000-memory.dmp

    Filesize

    5.7MB

  • memory/3644-136-0x0000000000000000-mapping.dmp

  • memory/3644-141-0x0000000000B50000-0x00000000012CE000-memory.dmp

    Filesize

    7.5MB

  • memory/3644-142-0x0000000005B90000-0x0000000005C2C000-memory.dmp

    Filesize

    624KB

  • memory/4616-178-0x0000000000000000-mapping.dmp

  • memory/4692-155-0x00000000004C0000-0x00000000008DE000-memory.dmp

    Filesize

    4.1MB

  • memory/4692-160-0x00000000053F0000-0x0000000005446000-memory.dmp

    Filesize

    344KB

  • memory/4692-149-0x0000000000000000-mapping.dmp

  • memory/4692-159-0x00000000051F0000-0x00000000051FA000-memory.dmp

    Filesize

    40KB

  • memory/4960-146-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/4960-145-0x0000000000000000-mapping.dmp

  • memory/4960-157-0x0000000005BC0000-0x0000000005C26000-memory.dmp

    Filesize

    408KB

  • memory/4960-165-0x0000000006F50000-0x0000000006F8C000-memory.dmp

    Filesize

    240KB

  • memory/4960-161-0x0000000006230000-0x0000000006242000-memory.dmp

    Filesize

    72KB

  • memory/4984-177-0x0000000000000000-mapping.dmp

  • memory/5000-167-0x0000000000000000-mapping.dmp