Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 11:19

General

  • Target

    mouse.exe

  • Size

    679KB

  • MD5

    c650cb14934aa96f98034b617b054f71

  • SHA1

    f63eaef9965425612ed33aa28598e493099071e2

  • SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

  • SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

Malware Config

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • Executes dropped EXE 11 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Drops autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Suspicious use of SetThreadContext 5 IoCs
  • Creates scheduled task(s) 1 TTPs 8 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 76 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\mouse.exe
    "C:\Users\Admin\AppData\Local\Temp\mouse.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1304
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xLyRKFHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8795.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1016
    • C:\Users\Admin\AppData\Local\Temp\mouse.exe
      "{path}"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2464
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks" /create /tn "Quasat Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\mouse.exe" /rl HIGHEST /f
        3⤵
        • Creates scheduled task(s)
        PID:1512
      • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
        "C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4064
        • C:\Windows\SysWOW64\schtasks.exe
          "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xLyRKFHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9909.tmp"
          4⤵
          • Creates scheduled task(s)
          PID:3952
        • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          PID:1308
        • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          PID:2164
        • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
          "{path}"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2124
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks" /create /tn "Quasat Client Startup" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe" /rl HIGHEST /f
            5⤵
            • Creates scheduled task(s)
            PID:3372
          • C:\Windows\SysWOW64\schtasks.exe
            "C:\Windows\System32\schtasks.exe" /create /tn "WINDOWSSYSTEMHOST" /tr "C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe" /sc MINUTE /MO 1
            5⤵
            • Creates scheduled task(s)
            PID:700
  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xLyRKFHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC970.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2788
    • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
      "{path}"
      2⤵
      • Executes dropped EXE
      PID:3680
  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1520
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xLyRKFHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB0C3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3276
    • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
      "{path}"
      2⤵
      • Executes dropped EXE
      PID:1044
  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xLyRKFHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9AD5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2064
    • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
      "{path}"
      2⤵
      • Executes dropped EXE
      PID:3972
    • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
      "{path}"
      2⤵
      • Executes dropped EXE
      PID:1836

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Replication Through Removable Media

1
T1091

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Lateral Movement

Replication Through Removable Media

1
T1091

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Client96.exe.log
    MD5

    aa480485430e4ce971a2c386e98fc354

    SHA1

    1f483904849f7b3d0636aa0a9744819797bedf02

    SHA256

    99365df5c319c954a944f27383942a5912d65a64dbfa524201ae3aa97ca1d6bb

    SHA512

    434b9a8aaac75c89ea004db41c97583ab53487ad867791392d0f4d4535f6846051e7a53ad1e11f1d48736cdfd677eca99baebd7c47395788891ca2bfead03156

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\mouse.exe.log
    MD5

    aa480485430e4ce971a2c386e98fc354

    SHA1

    1f483904849f7b3d0636aa0a9744819797bedf02

    SHA256

    99365df5c319c954a944f27383942a5912d65a64dbfa524201ae3aa97ca1d6bb

    SHA512

    434b9a8aaac75c89ea004db41c97583ab53487ad867791392d0f4d4535f6846051e7a53ad1e11f1d48736cdfd677eca99baebd7c47395788891ca2bfead03156

  • C:\Users\Admin\AppData\Local\Temp\tmp8795.tmp
    MD5

    216b3549a8c58c6999bbfdcd7fa3b8de

    SHA1

    9ffcec72407827f512fec2ad88d407a686b3f3b3

    SHA256

    f1fc06b077031c9ec2aafe31a2478cdaa50b1e1fcc2be526d288f870e45dd978

    SHA512

    1f3d7f0911cb7a703f30cad8bbbb28d9fa9e5303dc822403d1ecb4addf9d9541b567f8e3d96e38b905a73f5430e2e4278ee076f01b5c2342c82036ac7f0e24ad

  • C:\Users\Admin\AppData\Local\Temp\tmp9909.tmp
    MD5

    216b3549a8c58c6999bbfdcd7fa3b8de

    SHA1

    9ffcec72407827f512fec2ad88d407a686b3f3b3

    SHA256

    f1fc06b077031c9ec2aafe31a2478cdaa50b1e1fcc2be526d288f870e45dd978

    SHA512

    1f3d7f0911cb7a703f30cad8bbbb28d9fa9e5303dc822403d1ecb4addf9d9541b567f8e3d96e38b905a73f5430e2e4278ee076f01b5c2342c82036ac7f0e24ad

  • C:\Users\Admin\AppData\Local\Temp\tmp9AD5.tmp
    MD5

    216b3549a8c58c6999bbfdcd7fa3b8de

    SHA1

    9ffcec72407827f512fec2ad88d407a686b3f3b3

    SHA256

    f1fc06b077031c9ec2aafe31a2478cdaa50b1e1fcc2be526d288f870e45dd978

    SHA512

    1f3d7f0911cb7a703f30cad8bbbb28d9fa9e5303dc822403d1ecb4addf9d9541b567f8e3d96e38b905a73f5430e2e4278ee076f01b5c2342c82036ac7f0e24ad

  • C:\Users\Admin\AppData\Local\Temp\tmpB0C3.tmp
    MD5

    216b3549a8c58c6999bbfdcd7fa3b8de

    SHA1

    9ffcec72407827f512fec2ad88d407a686b3f3b3

    SHA256

    f1fc06b077031c9ec2aafe31a2478cdaa50b1e1fcc2be526d288f870e45dd978

    SHA512

    1f3d7f0911cb7a703f30cad8bbbb28d9fa9e5303dc822403d1ecb4addf9d9541b567f8e3d96e38b905a73f5430e2e4278ee076f01b5c2342c82036ac7f0e24ad

  • C:\Users\Admin\AppData\Local\Temp\tmpC970.tmp
    MD5

    216b3549a8c58c6999bbfdcd7fa3b8de

    SHA1

    9ffcec72407827f512fec2ad88d407a686b3f3b3

    SHA256

    f1fc06b077031c9ec2aafe31a2478cdaa50b1e1fcc2be526d288f870e45dd978

    SHA512

    1f3d7f0911cb7a703f30cad8bbbb28d9fa9e5303dc822403d1ecb4addf9d9541b567f8e3d96e38b905a73f5430e2e4278ee076f01b5c2342c82036ac7f0e24ad

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • C:\Users\Admin\AppData\Roaming\SubDir\Client96.exe
    MD5

    c650cb14934aa96f98034b617b054f71

    SHA1

    f63eaef9965425612ed33aa28598e493099071e2

    SHA256

    01f148ef47dccb8c73a46f64e849f1249915dc5cf4423b9cc4690ad303a70fd9

    SHA512

    160d7ce2f48497198b1e51f039cb808b7878ec6227cc19cc5996a0eb69cd8fc100b7a63a2ef9a919c5bf64c937dadb7bbcce87095172bf6c8d6cfa2ca594640f

  • memory/372-67-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/372-77-0x0000000005790000-0x0000000005791000-memory.dmp
    Filesize

    4KB

  • memory/700-64-0x0000000000000000-mapping.dmp
  • memory/1016-17-0x0000000000000000-mapping.dmp
  • memory/1044-123-0x000000000044943E-mapping.dmp
  • memory/1044-125-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/1304-16-0x0000000007C50000-0x0000000007CA0000-memory.dmp
    Filesize

    320KB

  • memory/1304-0-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/1304-14-0x0000000005F10000-0x0000000005F13000-memory.dmp
    Filesize

    12KB

  • memory/1304-13-0x0000000005D40000-0x0000000005D41000-memory.dmp
    Filesize

    4KB

  • memory/1304-12-0x0000000006470000-0x0000000006471000-memory.dmp
    Filesize

    4KB

  • memory/1304-11-0x0000000005AB0000-0x0000000005AB1000-memory.dmp
    Filesize

    4KB

  • memory/1304-10-0x0000000005A70000-0x0000000005A80000-memory.dmp
    Filesize

    64KB

  • memory/1304-7-0x0000000005B10000-0x0000000005B11000-memory.dmp
    Filesize

    4KB

  • memory/1304-4-0x0000000005F70000-0x0000000005F71000-memory.dmp
    Filesize

    4KB

  • memory/1304-3-0x0000000007BF0000-0x0000000007C46000-memory.dmp
    Filesize

    344KB

  • memory/1304-15-0x00000000097D0000-0x00000000097D1000-memory.dmp
    Filesize

    4KB

  • memory/1304-1-0x0000000000D80000-0x0000000000D81000-memory.dmp
    Filesize

    4KB

  • memory/1512-30-0x0000000000000000-mapping.dmp
  • memory/1520-96-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/1520-110-0x0000000006BC0000-0x0000000006BC2000-memory.dmp
    Filesize

    8KB

  • memory/1836-148-0x000000000044943E-mapping.dmp
  • memory/1836-150-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/2064-144-0x0000000000000000-mapping.dmp
  • memory/2124-52-0x000000000044943E-mapping.dmp
  • memory/2124-55-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/2464-19-0x0000000000400000-0x000000000044E000-memory.dmp
    Filesize

    312KB

  • memory/2464-20-0x000000000044943E-mapping.dmp
  • memory/2464-22-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/2464-29-0x00000000068B0000-0x00000000068B1000-memory.dmp
    Filesize

    4KB

  • memory/2464-28-0x0000000006380000-0x0000000006381000-memory.dmp
    Filesize

    4KB

  • memory/2464-27-0x0000000005740000-0x0000000005741000-memory.dmp
    Filesize

    4KB

  • memory/2540-132-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/2788-84-0x0000000000000000-mapping.dmp
  • memory/3276-120-0x0000000000000000-mapping.dmp
  • memory/3372-63-0x0000000000000000-mapping.dmp
  • memory/3680-89-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/3680-87-0x000000000044943E-mapping.dmp
  • memory/3952-47-0x0000000000000000-mapping.dmp
  • memory/4064-31-0x0000000000000000-mapping.dmp
  • memory/4064-34-0x0000000073C50000-0x000000007433E000-memory.dmp
    Filesize

    6.9MB

  • memory/4064-42-0x0000000005710000-0x0000000005711000-memory.dmp
    Filesize

    4KB