| File name: | sizer4_dev640.zip |
| Full analysis: | https://app.any.run/tasks/c24b42c3-cf06-430c-bb8c-3422fe602bad |
| Verdict: | Malicious activity |
| Threats: | Ransomware is a type of malicious software that locks users out of their system or data using different methods to force them to pay a ransom. Most often, such programs encrypt files on an infected machine and demand a fee to be paid in exchange for the decryption key. Additionally, such programs can be used to steal sensitive information from the compromised computer and even conduct DDoS attacks against affected organizations to pressure them into paying. |
| Analysis date: | September 02, 2021, 14:19:12 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v2.0 to extract |
| MD5: | 24124614033653DC52A2F42DECC9D705 |
| SHA1: | 3F9B0FAEFCD02CA8877910B3C3B0BE88AB5B6C83 |
| SHA256: | 1E6560E2040F929503372F74BA93B521D9C2C90BC4667A9696B04E28D1044F1A |
| SSDEEP: | 1536:EpSQgWzAkw9/bNQ9ZiVK9jm/a7OCblRdzzKsd8e3Z1wHIAfjalllclJWxtajL+64:r+Pw9/JQ9r8iFbp/Z1w5jk3clJmuJNJe |
MALICIOUS
Loads dropped or rewritten executable
- SearchProtocolHost.exe (PID: 276)
- sizer.exe (PID: 1408)
- DllHost.exe (PID: 3180)
- Explorer.EXE (PID: 1896)
- ctfmon.exe (PID: 892)
- sizer.exe (PID: 3592)
- explorer.exe (PID: 1960)
- taskhost.exe (PID: 1684)
- Dwm.exe (PID: 600)
- taskeng.exe (PID: 776)
- DllHost.exe (PID: 3824)
Application was dropped or rewritten from another process
- sizer.exe (PID: 1408)
- sizer.exe (PID: 3592)
SUSPICIOUS
Checks supported languages
- WinRAR.exe (PID: 2088)
- sizer.exe (PID: 1408)
- sizer.exe (PID: 3592)
Reads the computer name
- WinRAR.exe (PID: 2088)
Drops a file that was compiled in debug mode
- WinRAR.exe (PID: 2088)
Creates files like Ransomware instruction
- WinRAR.exe (PID: 2088)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 2088)
Application launched itself
- Explorer.EXE (PID: 1896)
Creates files in the user directory
- sizer.exe (PID: 1408)
INFO
Reads the computer name
- DllHost.exe (PID: 3180)
- explorer.exe (PID: 1960)
- DllHost.exe (PID: 3824)
Manual execution by user
- sizer.exe (PID: 1408)
Checks supported languages
- DllHost.exe (PID: 3180)
- explorer.exe (PID: 1960)
- DllHost.exe (PID: 3824)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipFileName: | sizer.exe |
|---|---|
| ZipUncompressedSize: | 211968 |
| ZipCompressedSize: | 126797 |
| ZipCRC: | 0x16e52118 |
| ZipModifyDate: | 2020:04:16 18:34:09 |
| ZipCompression: | Deflated |
| ZipBitFlag: | 0x0002 |
| ZipRequiredVersion: | 20 |
Total processes
38
Monitored processes
12
Malicious processes
2
Suspicious processes
5
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 276 | "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe4_ Global\UsGthrCtrlFltPipeMssGthrPipe4 1 -2147483646 "Software\Microsoft\Windows Search" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT; MS Search 4.0 Robot)" "C:\ProgramData\Microsoft\Search\Data\Temp\usgthrsvc" "DownLevelDaemon" | C:\Windows\system32\SearchProtocolHost.exe | — | SearchIndexer.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft Windows Search Protocol Host Exit code: 0 Version: 7.00.7601.24542 (win7sp1_ldr_escrow.191209-2211) Modules
| |||||||||||||||
| 600 | "C:\Windows\system32\Dwm.exe" | C:\Windows\system32\Dwm.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Desktop Window Manager Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 776 | taskeng.exe {22B6E91C-5B0B-4FB0-99A8-D59901096E38} | C:\Windows\system32\taskeng.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Engine Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 892 | C:\Windows\System32\ctfmon.exe | C:\Windows\System32\ctfmon.exe | — | taskeng.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: CTF Loader Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1408 | "C:\Users\admin\Desktop\sizer.exe" | C:\Users\admin\Desktop\sizer.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Brian Apps Products Integrity Level: MEDIUM Description: Sizer Executable (DEVBUILD) Exit code: 0 Version: 4.0.0.640 Modules
| |||||||||||||||
| 1684 | "taskhost.exe" | C:\Windows\system32\taskhost.exe | — | services.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Host Process for Windows Tasks Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1896 | C:\Windows\Explorer.EXE | C:\Windows\Explorer.EXE | — | — | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1960 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2088 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\AppData\Local\Temp\sizer4_dev640.zip" | C:\Program Files\WinRAR\WinRAR.exe | Explorer.EXE | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 3180 | C:\Windows\system32\DllHost.exe /Processid:{AB8902B4-09CA-4BB6-B78D-A8F59079A8D5} | C:\Windows\system32\DllHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 229
Read events
3 132
Write events
97
Delete events
0
Modification events
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\virtio_ivshmem_master_build.zip | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\AppData\Local\Temp\sizer4_dev640.zip | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CURRENT_USER\Software\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (2088) WinRAR.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | @C:\Windows\system32\notepad.exe,-469 |
Value: Text Document | |||
Executable files
4
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1408 | sizer.exe | C:\Users\admin\AppData\Roaming\Sizer4\sizer.xml | xml | |
MD5:— | SHA256:— | |||
| 2088 | WinRAR.exe | C:\Users\admin\Desktop\hook32.dll | executable | |
MD5:EE922B592D246C9545D5965514F566A7 | SHA256:62F35DA33D623C5D04547B30597D62C787C3107B334C357C5294C326D75D8FFA | |||
| 2088 | WinRAR.exe | C:\Users\admin\Desktop\sizer.exe | executable | |
MD5:A8DAB68D7B1B5D50774C3608DC8489AC | SHA256:DB42C58DB5B583677B3FE51773B25413945F9B4C135CEC5974EAAFE6FB5F77E5 | |||
| 2088 | WinRAR.exe | C:\Users\admin\Desktop\hook64.dll | executable | |
MD5:C0252168CC71801C2B912B24743E38C5 | SHA256:9813C005606F58715D4FEC7645A72A403C7DD0EE1EB2AF8966AF81C0AE001A22 | |||
| 2088 | WinRAR.exe | C:\Users\admin\Desktop\stub64.dat | executable | |
MD5:B723052840461628254BD0E91B6C4B43 | SHA256:261BC00E81B3BB90876EBDAC71D03C1B2F3064B612681B44B6AB32F876291B96 | |||
| 2088 | WinRAR.exe | C:\Users\admin\Desktop\ReadMe.txt | text | |
MD5:876AA2DDDC6B25FBE291391DC3CC29FD | SHA256:D3831A01621841F5795DFC9253C72CD1BF2321825259925EC39C7B66FD535C9E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report