Resubmissions
13-11-2024 01:28
241113-bvnh3stkfz 813-11-2024 01:26
241113-bthw7svarq 1012-11-2024 21:01
241112-zvah8avjej 1012-11-2024 20:33
241112-zb5v1stnhp 5Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
12-11-2024 21:01
General
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Target
mkp.exe
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Size
1.2MB
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MD5
2055bbde7b5a1afd6ea79974d1435a98
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SHA1
e249c4f1d0910cb4660a3d41593692a02796472f
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SHA256
e51abdb2023b560244802f7d9687944dc0dff3042c28d7bc7a2b517df6e24942
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SHA512
f21f963ea6f3c394f61780825a0971f432450a7ca94353db0ba5915a0e190f0d65025c40756597b0170a3c23fb160e27011ce4a098afe2a518efc47a06874d55
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SSDEEP
24576:AQkBF2DuFBsfrCbHdtvIwTGp+olFTPPxQoZeKVbygpgPh3aFMI9R2uacQs:AQIBsfrCHdtvdTCTO2pdygpiAJads
Malware Config
Extracted
C:\Program Files\Common Files\DESIGNER\readme-warning.txt
makop
Signatures
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Makop
Ransomware family discovered by @VK_Intel in early 2020.
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Makop family
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Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
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Renames multiple (8037) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Deletes backup catalog 3 TTPs 1 IoCs
Uses wbadmin.exe to inhibit system recovery.
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Credentials from Password Stores: Windows Credential Manager 1 TTPs
Suspicious access to Credentials History.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
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Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 30 IoCs
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Drops file in Program Files directory 64 IoCs
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Browser Information Discovery 1 TTPs
Enumerate browser information.
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Program crash 4 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks SCSI registry key(s) 3 TTPs 4 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 48 IoCs
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Suspicious use of SetWindowsHookEx 6 IoCs
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Suspicious use of WriteProcessMemory 8 IoCs
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Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe"1⤵
- Adds Run key to start application
- Enumerates connected drives
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe" n46002⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4024 -s 7763⤵
- Program crash
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet3⤵
- Interacts with shadow copies
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C:\Windows\system32\wbadmin.exewbadmin delete catalog -quiet3⤵
- Deletes backup catalog
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C:\Windows\System32\Wbem\WMIC.exewmic shadowcopy delete3⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe" n46002⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4544 -s 7843⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe" n46002⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 8843⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe" n46002⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3404 -s 7763⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\mkp.exe"C:\Users\Admin\AppData\Local\Temp\mkp.exe" n46002⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\wbengine.exe"C:\Windows\system32\wbengine.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\System32\vdsldr.exeC:\Windows\System32\vdsldr.exe -Embedding1⤵
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C:\Windows\System32\vds.exeC:\Windows\System32\vds.exe1⤵
- Checks SCSI registry key(s)
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4024 -ip 40241⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 4544 -ip 45441⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4688 -ip 46881⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 200 -p 3404 -ip 34041⤵
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1Credential Access
Credentials from Password Stores
2Credentials from Web Browsers
1Windows Credential Manager
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5696f53e0fbec0e1dc31b51175774ba50
SHA1d468ef503187decb362554a912195f3e2870d823
SHA256226d66a6f7c984ae429fa3cd8f8ce3eb873d3f0178bfc771b60af4a254f914f5
SHA51290d1fb3412870d544f3a89a9b4a8fc2c79acfbb2fdb8bd7e1fe7cf54db04ff29954b37db8c5ae58b2b87865c316c0890ca1750d13e9257c92b4a8d1576fc475f
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MD5
d41d8cd98f00b204e9800998ecf8427e
SHA1da39a3ee5e6b4b0d3255bfef95601890afd80709
SHA256e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
SHA512cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
1024KB
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Filesize
49.9MB
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Filesize
124KB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
124KB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
1024KB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB
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Filesize
49.9MB