Analysis

  • max time kernel
    134s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2022, 15:36

General

  • Target

    78df1676000a461cdda4e1493b26619e3a934d183fee7.exe

  • Size

    305KB

  • MD5

    5e6e80de8f7d0e5da3656ef938d5d986

  • SHA1

    69de6a0d7861592604f9495b5e0a7c2e7d4c0021

  • SHA256

    78df1676000a461cdda4e1493b26619e3a934d183fee71987a2175c590cf69b4

  • SHA512

    79f80953b5f68baef34851f9e3100021764a646daec3336700f6ebda429a17f49d254e159814a4dbeafc3f5c01ae9599b7b49a2b2bf0714b45c97c6c6ad98922

  • SSDEEP

    6144:3wq3Nphr3dZZ6ZmiYOS0dNgbDIr1kruxJ+3WTHNP34JX5/y:3zNjfZWy9wK4x6CNP34v/y

Malware Config

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • UPX packed file 4 IoCs

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

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Drops startup file 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78df1676000a461cdda4e1493b26619e3a934d183fee7.exe
    "C:\Users\Admin\AppData\Local\Temp\78df1676000a461cdda4e1493b26619e3a934d183fee7.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Program Files (x86)\internet explorer\ieinstal.exe
      "C:\Users\Admin\AppData\Local\Temp\78df1676000a461cdda4e1493b26619e3a934d183fee7.exe"
      2⤵
      • Sets DLL path for service in the registry
      • Checks QEMU agent file
      • Drops startup file
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1396
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:968
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 968 -s 124
          4⤵
          • Program crash
          PID:556
      • C:\Users\Admin\AppData\Local\Temp\31.exe
        "C:\Users\Admin\AppData\Local\Temp\31.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:1616
        • C:\Windows\SysWOW64\netsh.exe
          netsh advfirewall firewall add rule name="3389" dir=in action=allow protocol=TCP localport=3389
          4⤵
          • Modifies Windows Firewall
          PID:1116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\31.exe

    Filesize

    70KB

    MD5

    ca96229390a0e6a53e8f2125f2c01114

    SHA1

    a54b1081cf58724f8cb292b4d165dfee2fb1c9f6

    SHA256

    0df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c

    SHA512

    e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef

  • \Program Files\Microsoft DN1\sqlmap.dll

    Filesize

    114KB

    MD5

    461ade40b800ae80a40985594e1ac236

    SHA1

    b3892eef846c044a2b0785d54a432b3e93a968c8

    SHA256

    798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

    SHA512

    421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

  • \Users\Admin\AppData\Local\Temp\31.exe

    Filesize

    70KB

    MD5

    ca96229390a0e6a53e8f2125f2c01114

    SHA1

    a54b1081cf58724f8cb292b4d165dfee2fb1c9f6

    SHA256

    0df3d05900e7b530f6c2a281d43c47839f2cf2a5d386553c8dc46e463a635a2c

    SHA512

    e93445bce6c8b6f51890309577a0ea9369860d2e6bf8cc0ca708879a77bb176d27c5f559bbdb7deb4b719aee0fc48d9068c293559f7629baf4ec3515898102ef

  • \Users\Admin\AppData\Local\Temp\nsdE5DF.tmp\System.dll

    Filesize

    11KB

    MD5

    17ed1c86bd67e78ade4712be48a7d2bd

    SHA1

    1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    SHA256

    bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    SHA512

    0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

  • memory/968-74-0x0000000000120000-0x0000000000121000-memory.dmp

    Filesize

    4KB

  • memory/1396-72-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB

  • memory/1396-60-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1396-65-0x0000000000090000-0x0000000000190000-memory.dmp

    Filesize

    1024KB

  • memory/1396-69-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB

  • memory/1396-85-0x000000001C500000-0x000000001C52D000-memory.dmp

    Filesize

    180KB

  • memory/1396-71-0x0000000077A40000-0x0000000077BE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1396-82-0x000000001C500000-0x000000001C52D000-memory.dmp

    Filesize

    180KB

  • memory/1396-66-0x0000000077A40000-0x0000000077BE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1396-76-0x000000001F160000-0x000000001F260000-memory.dmp

    Filesize

    1024KB

  • memory/1616-83-0x00000000013A0000-0x00000000013CD000-memory.dmp

    Filesize

    180KB

  • memory/1616-86-0x00000000013A0000-0x00000000013CD000-memory.dmp

    Filesize

    180KB

  • memory/1980-62-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB

  • memory/1980-63-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB

  • memory/1980-64-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB

  • memory/1980-57-0x0000000077A40000-0x0000000077BE9000-memory.dmp

    Filesize

    1.7MB

  • memory/1980-54-0x00000000756B1000-0x00000000756B3000-memory.dmp

    Filesize

    8KB

  • memory/1980-56-0x0000000002600000-0x000000000324A000-memory.dmp

    Filesize

    12.3MB

  • memory/1980-70-0x0000000077C20000-0x0000000077DA0000-memory.dmp

    Filesize

    1.5MB