Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 6 IoCs
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 8 IoCs
  • Drops startup file 5 IoCs
  • Loads dropped DLL 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 64 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⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1516
    • 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 behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:944
      • C:\Users\Admin\AppData\Roaming\proton_nutsed.exe
        "C:\Users\Admin\AppData\Roaming\proton_nutsed.exe"
        3⤵
        • Executes dropped EXE
        PID:1804
      • 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:888
        • 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:284
    • C:\Users\Admin\AppData\Roaming\launcher.exe
      "C:\Users\Admin\AppData\Roaming\launcher.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1192
      • C:\Users\Admin\AppData\Local\Temp\FiveM_Launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\FiveM_Launcher.exe"
        3⤵
        • Executes dropped EXE
        PID:956
      • C:\Users\Admin\AppData\Local\Temp\launcher.exe
        "C:\Users\Admin\AppData\Local\Temp\launcher.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Users\Admin\AppData\Local\Temp\build.exe
          "C:\Users\Admin\AppData\Local\Temp\build.exe"
          4⤵
          • Executes dropped EXE
          • Drops startup file
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1040
          • 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:1092
            • 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:820
            • 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:1252
          • C:\Windows\SysWOW64\attrib.exe
            attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Lancher.exe"
            5⤵
            • Views/modifies file attributes
            PID:1608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • 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\build.exe

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

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

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

  • 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

    27b9f33ef031b619b7f5f7efec809775

    SHA1

    e9a7e4ae086b3e99b4a9768cbe3e3b68581c2841

    SHA256

    91e176949520ba542530ef11c97924ad9fa16aabbddefc1beb00060867846606

    SHA512

    04b23c86dd2a83555d8f277b971c707b3f53c2a5270c332735aa5a60a0f813671f1bff190ffe5e467c60e848ece8b60c73bea8523d3536a06fb0cd66598956e7

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

    Filesize

    1020B

    MD5

    44ec086acb3735135e0a07b6ac1501e5

    SHA1

    23a98bdb2f277376687522265d26a474b40c23de

    SHA256

    d0593da0f72a4749438a5100ef06ce22d1ee8cddf871b54b55d3837a95633682

    SHA512

    d308c76ec847bd0101c06c0aa4efb1dd97942bd158097530499f892d277e3462b753b383cf9abf936dbb7eccb0c573bbbf5fcf13cb25bc61ab4a311ce97c5841

  • 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

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

    Filesize

    3.8MB

    MD5

    b0ea73cc98e5b248955ae7bac0f9d031

    SHA1

    18e03a76d01d7f8b423cabb42134f8149732cdea

    SHA256

    c2ea4b1081b9d58f43bf9f695044782b10fd4884bf90ad9ca068a181fb578f64

    SHA512

    5794fcbee980e3e865ce0547819d55e3ec3dfcbdf5239fc0642a4c6519ac072d4193f846506e6b8f810fe3feeea9bd0861716981cebd4868949184d9d520e83f

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

    Filesize

    4.1MB

    MD5

    d97d05bc66dd1f32b058efe158a8a0d7

    SHA1

    249f438bb523fa16535c5e136aced415ac9f500c

    SHA256

    6714c9c4d30e77ec4d73efaa3e599c2021ef5ada3806a0c2ffa660af147de4fd

    SHA512

    dc1775f16efeb82fb46212697987090d10bc965ef695481640b41956620b30905d6e2e56738696c36a30163bd8e47d5311a3b496702cc9b2ab4a286fb0209ae1

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

    Filesize

    115KB

    MD5

    92e7b3f8c98bf7e5364895375f1f21e0

    SHA1

    9bcdde5a659124a7eb104806164cba6a401a2cca

    SHA256

    f53dc81b434a31269a56a9493c9b3709293dc10d91acdc9eb081700152b52f1a

    SHA512

    d2d5ce098cc683cbf3c3af854ca790a1730d1723b72a3aec309f25266b92ac9806c5ad11c27119f9af9a17490d68dd312f831339a54eadb2152b916f4513a129

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

    Filesize

    27KB

    MD5

    c487633021a7d70b1d5be2a7879d018b

    SHA1

    b55e4bf976626745ccde46a5c0c3f9b9f9f8bfe0

    SHA256

    84df966c4027d481e42c348d20e163d15b2a36f7c46d872b524ea61cddeb36b1

    SHA512

    d8a997c3f3d5215e29ab37b67c8bfedda62ec4b0c7e8889ba7f771a0cf4aa85160c4854ce72671c2e870341bcc5010c1ef372396065355b80a4e94a4f766b1de

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

    Filesize

    7.5MB

    MD5

    cda766c0b83e282f69aaa18f3684b4c2

    SHA1

    bf7acb1048f02d3cb0738827d2ad326c99b92bde

    SHA256

    a793fe6608b572bc6052e1e4a77bbdf607a38b5194ae9e1bc1abecdb3e61dfb4

    SHA512

    1d5971172f54bddb35c8f98e0b7ac3d0f0e49e4a2272b732dfed2bbfa9e440d6a58af0c2b2b7553946cf6540c6df22884476e6bfb159dd12cddff249c70f0ed6

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

    Filesize

    3.8MB

    MD5

    b0ea73cc98e5b248955ae7bac0f9d031

    SHA1

    18e03a76d01d7f8b423cabb42134f8149732cdea

    SHA256

    c2ea4b1081b9d58f43bf9f695044782b10fd4884bf90ad9ca068a181fb578f64

    SHA512

    5794fcbee980e3e865ce0547819d55e3ec3dfcbdf5239fc0642a4c6519ac072d4193f846506e6b8f810fe3feeea9bd0861716981cebd4868949184d9d520e83f

  • memory/284-96-0x0000000000000000-mapping.dmp

  • memory/680-89-0x0000000000000000-mapping.dmp

  • memory/680-95-0x0000000000320000-0x0000000000344000-memory.dmp

    Filesize

    144KB

  • memory/820-114-0x0000000000000000-mapping.dmp

  • memory/888-73-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-82-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-80-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-77-0x00000000007AC28E-mapping.dmp

  • memory/888-76-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-75-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-71-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/888-70-0x0000000000400000-0x00000000007C2000-memory.dmp

    Filesize

    3.8MB

  • memory/944-68-0x00000000002B0000-0x00000000002BA000-memory.dmp

    Filesize

    40KB

  • memory/944-57-0x0000000000000000-mapping.dmp

  • memory/944-64-0x0000000000940000-0x0000000000D08000-memory.dmp

    Filesize

    3.8MB

  • memory/956-86-0x0000000000000000-mapping.dmp

  • memory/956-102-0x00000000008E6000-0x00000000008F7000-memory.dmp

    Filesize

    68KB

  • memory/956-94-0x0000000000A40000-0x0000000000E5E000-memory.dmp

    Filesize

    4.1MB

  • memory/1040-110-0x000000006ED90000-0x000000006F33B000-memory.dmp

    Filesize

    5.7MB

  • memory/1040-97-0x0000000000000000-mapping.dmp

  • memory/1040-101-0x000000006ED90000-0x000000006F33B000-memory.dmp

    Filesize

    5.7MB

  • memory/1092-109-0x000000006ED90000-0x000000006F33B000-memory.dmp

    Filesize

    5.7MB

  • memory/1092-104-0x0000000000000000-mapping.dmp

  • memory/1092-119-0x000000006ED90000-0x000000006F33B000-memory.dmp

    Filesize

    5.7MB

  • memory/1192-67-0x0000000000CB0000-0x000000000142E000-memory.dmp

    Filesize

    7.5MB

  • memory/1192-61-0x0000000000000000-mapping.dmp

  • memory/1192-83-0x0000000005720000-0x0000000005ADC000-memory.dmp

    Filesize

    3.7MB

  • memory/1252-115-0x0000000000000000-mapping.dmp

  • memory/1516-65-0x00000000744F0000-0x0000000074A9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1516-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmp

    Filesize

    8KB

  • memory/1516-55-0x00000000744F0000-0x0000000074A9B000-memory.dmp

    Filesize

    5.7MB

  • memory/1608-108-0x0000000000000000-mapping.dmp