| File name: | jsworm.exe |
| Full analysis: | https://app.any.run/tasks/bb5e0399-1e5a-4d5f-a140-efcce7633a61 |
| 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: | July 17, 2019, 23:07:41 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C669320B97F2C124307C3E8AE2E9206D |
| SHA1: | 7600F09F914830FA6054DEFDB97A8D70CE6036EF |
| SHA256: | 46761B8B727F3002D1C73FA6C8568EBCF2EC0066666251F66DCDA9D4268E03E8 |
| SSDEEP: | 3072:77LlFWt1yDzVwq4wk+KdXqSmT9C8Fi7FvSJv+R1Y:77a2XC9+KBJmT9BihSlw+ |
MALICIOUS
Starts BCDEDIT.EXE to disable recovery
- cmd.exe (PID: 1484)
Actions looks like stealing of personal data
- jsworm.exe (PID: 3484)
Writes file to Word startup folder
- jsworm.exe (PID: 3484)
Deletes shadow copies
- cmd.exe (PID: 3496)
- cmd.exe (PID: 2384)
- cmd.exe (PID: 772)
Renames files like Ransomware
- jsworm.exe (PID: 3484)
Modifies files in Chrome extension folder
- jsworm.exe (PID: 3484)
SUSPICIOUS
Uses REG.EXE to modify Windows registry
- cmd.exe (PID: 1500)
- cmd.exe (PID: 2980)
Uses TASKKILL.EXE to kill process
- cmd.exe (PID: 3448)
- cmd.exe (PID: 3996)
- cmd.exe (PID: 2304)
- cmd.exe (PID: 1356)
Starts CMD.EXE for commands execution
- jsworm.exe (PID: 3484)
Creates files like Ransomware instruction
- jsworm.exe (PID: 3484)
Reads the cookies of Mozilla Firefox
- jsworm.exe (PID: 3484)
Starts MSHTA.EXE for opening HTA or HTMLS files
- cmd.exe (PID: 3628)
Reads the cookies of Google Chrome
- jsworm.exe (PID: 3484)
Writes to a desktop.ini file (may be used to cloak folders)
- jsworm.exe (PID: 3484)
Creates files in the user directory
- jsworm.exe (PID: 3484)
Creates files in the program directory
- jsworm.exe (PID: 3484)
INFO
Dropped object may contain Bitcoin addresses
- jsworm.exe (PID: 3484)
Reads internet explorer settings
- mshta.exe (PID: 2992)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:06:25 08:43:51+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 14.21 |
| CodeSize: | 141312 |
| InitializedDataSize: | 9728 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x133b1 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 25-Jun-2019 06:43:51 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0090 |
| Pages in file: | 0x0003 |
| Relocations: | 0x0000 |
| Size of header: | 0x0004 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0xFFFF |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x00B8 |
| Checksum: | 0x0000 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x0000 |
| OEM information: | 0x0000 |
| Address of NE header: | 0x000000F8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 25-Jun-2019 06:43:51 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00001000 | 0x000226E8 | 0x00021800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 6.49858 |
.idata | 0x00024000 | 0x00000A36 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.86106 |
.reloc | 0x00025000 | 0x00001848 | 0x00001A00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.43537 |
Imports
ADVAPI32.dll |
CRYPT32.dll |
KERNEL32.dll |
SHELL32.dll |
Total processes
71
Monitored processes
25
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 772 | "C:\Windows\System32\cmd.exe" /c wmic shadowcopy delete -y | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 44506 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1356 | "C:\Windows\System32\cmd.exe" /c taskkill.exe taskkill /f /im dns.exe | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1484 | "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No -y | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1500 | "C:\Windows\System32\cmd.exe" /c reg add HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "zapiska" /d "C:\ProgramData\JSWRM-DECRYPT.txt" -y | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2220 | "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures -y | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2304 | "C:\Windows\System32\cmd.exe" /c taskkill.exe taskkill /f /im sqlwriter.exe | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2384 | "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet | C:\Windows\System32\cmd.exe | — | jsworm.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 2 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2724 | wbadmin delete catalog -quiet | C:\Windows\system32\wbadmin.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Command Line Interface for Microsoft® BLB Backup Exit code: 4294967294 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2888 | taskkill.exe taskkill /f /im sqlserver.exe | C:\Windows\system32\taskkill.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Terminates Processes Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2936 | reg add HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v "zapiska" /d "C:\ProgramData\JSWRM-DECRYPT.txt" -y | C:\Windows\system32\reg.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
266
Read events
254
Write events
12
Delete events
0
Modification events
| (PID) Process: | (3484) jsworm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3484) jsworm.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3628) cmd.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3628) cmd.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2992) mshta.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (2992) mshta.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
Executable files
0
Suspicious files
1 717
Text files
2 133
Unknown types
42
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3484 | jsworm.exe | C:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Benioku.htm | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | \Device\HarddiskVolume2\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Benioku.htm.[ID-D5WOCIX][symmetries@tutamail.com].JSWRM | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | C:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Berime.htm | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | \Device\HarddiskVolume2\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Berime.htm.[ID-D5WOCIX][symmetries@tutamail.com].JSWRM | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | C:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\IrakHau.htm | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | \Device\HarddiskVolume2\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\IrakHau.htm.[ID-D5WOCIX][symmetries@tutamail.com].JSWRM | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | C:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Leame.htm | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | \Device\HarddiskVolume2\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\Leame.htm.[ID-D5WOCIX][symmetries@tutamail.com].JSWRM | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | C:\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\LeesMij.htm | — | |
MD5:— | SHA256:— | |||
| 3484 | jsworm.exe | \Device\HarddiskVolume2\Users\admin\AppData\Local\VirtualStore\Program Files\Adobe\Acrobat Reader DC\LeesMij.htm.[ID-D5WOCIX][symmetries@tutamail.com].JSWRM | — | |
MD5:— | SHA256:— | |||
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