Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 01:34

General

  • Target

    88749c357803bf7c813ba7585c957824a3312cde231069b063b65acc615a6435.exe

  • Size

    330KB

  • MD5

    036d0cdc09f3807ccfd9c84ee3860d20

  • SHA1

    3c07b57464bf2f423e84d78e45a62ec547984b37

  • SHA256

    88749c357803bf7c813ba7585c957824a3312cde231069b063b65acc615a6435

  • SHA512

    96b8c1a44e2bb84c35f8110cba1c2152f78bf118468ecce9d77c1d4a50d5742f0e0f5804302b59b403715913ced9a51711e3655dad94d40f2c6707db22c3dca7

  • SSDEEP

    6144:Lkf8OvTWFVeM1F/42XB/4JF9+AE96zB+Ng5Oa2bp3RJ9zch1qxMv:23vTKV42XB/w+AVGg5OaCv9iq

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 12 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Kills process with taskkill 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88749c357803bf7c813ba7585c957824a3312cde231069b063b65acc615a6435.exe
    "C:\Users\Admin\AppData\Local\Temp\88749c357803bf7c813ba7585c957824a3312cde231069b063b65acc615a6435.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Ksafetray.exe
      2⤵
      • Kills process with taskkill
      • Suspicious use of AdjustPrivilegeToken
      PID:1476
    • C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe
      C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Checks processor information in registry
      • Modifies Internet Explorer settings
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:1144

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • C:\Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • \Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • \Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • \Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • \Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • \Users\Admin\AppData\Roaming\Spiritsoft\urlspirit\jlguaji.exe

    Filesize

    261KB

    MD5

    70c9d96f6429f073667cc226cc6a65ee

    SHA1

    b785564fdf80aabaac60a34c639b06de99a2f736

    SHA256

    762f4ccb3d9c5e36b253c4f0a903e0f508f1bbaafa75e82a9be3951c95e7eb86

    SHA512

    15f506f89600cc63c66efa5ed67b57d948ebd303735b0e3b1e86930c5ec0118fd84058c2c8415f783be8474b1dd5243892ea117476366f0674a4f6a4cec61d3a

  • memory/1144-69-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1144-70-0x0000000000950000-0x0000000000A02000-memory.dmp

    Filesize

    712KB

  • memory/1144-72-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1144-73-0x0000000000950000-0x0000000000A02000-memory.dmp

    Filesize

    712KB

  • memory/1388-62-0x0000000000470000-0x0000000000522000-memory.dmp

    Filesize

    712KB

  • memory/1388-61-0x0000000000280000-0x00000000002F0000-memory.dmp

    Filesize

    448KB

  • memory/1388-59-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1388-54-0x00000000768A1000-0x00000000768A3000-memory.dmp

    Filesize

    8KB

  • memory/1388-71-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/1388-75-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB