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| File name: | ursnif.exe |
| Full analysis: | https://app.any.run/tasks/daa15613-1c65-426a-a409-9cf3b29d7a93 |
| 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 18, 2019, 14:34:06 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows |
| MD5: | B1967A82AA094DE63128DA050F90F2C8 |
| SHA1: | E77BDDE00FF24EDB5F3298C5361CCF172E3600FD |
| SHA256: | C20E4249716805AB2C8645DE65874797A2671AE16A30B9F1625CEB5F4BDD3AE6 |
| SSDEEP: | 3072:AZPM0OGdUKV10OTed7/kBazzFbULfggkpFIC:AZPMnGZVyO6F/M4qbapFIC |
MALICIOUS
Loads dropped or rewritten executable
- rundll32.exe (PID: 3052)
Sodinokibi keys found
- rundll32.exe (PID: 3052)
SUSPICIOUS
Application launched itself
- rundll32.exe (PID: 3076)
Uses RUNDLL32.EXE to load library
- rundll32.exe (PID: 3076)
Executed via COM
- unsecapp.exe (PID: 2876)
INFO
Loads main object executable
- rundll32.exe (PID: 3076)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (43.5) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (29.8) |
| .exe | | | Generic Win/DOS Executable (13.2) |
| .exe | | | DOS Executable Generic (13.2) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 5.1 |
| ImageVersion: | - |
| OSVersion: | 5.1 |
| EntryPoint: | 0x3dd7 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 123392 |
| CodeSize: | 44544 |
| LinkerVersion: | 14 |
| PEType: | PE32 |
| TimeStamp: | 2019:07:08 16:33:00+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 08-Jul-2019 14:33:00 |
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: | 5 |
| Time date stamp: | 08-Jul-2019 14:33:00 |
| 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 | 0x0000AC44 | 0x0000AE00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.54199 |
.rdata | 0x0000C000 | 0x00002B5C | 0x00002C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.89161 |
.data | 0x0000F000 | 0x0000E690 | 0x0000E400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.99241 |
.z4p395l | 0x0001E000 | 0x0000C800 | 0x0000C800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.06588 |
.reloc | 0x0002B000 | 0x000005F8 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.65359 |
Imports
KERNEL32.dll |
Total processes
37
Monitored processes
3
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 3076 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\Downloads\ursnif.exe.dll", DllMain | C:\Windows\System32\rundll32.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3052 | "C:\Windows\System32\rundll32.exe" C:\Users\admin\Downloads\ursnif.exe.dll, DllMain | C:\Windows\System32\rundll32.exe | rundll32.exe | |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows host process (Rundll32) Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2876 | C:\Windows\system32\wbem\unsecapp.exe -Embedding | C:\Windows\system32\wbem\unsecapp.exe | — | svchost.exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Sink to receive asynchronous callbacks for WMI client application Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
78
Read events
68
Write events
10
Delete events
0
Modification events
| (PID) Process: | (3076) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3076) rundll32.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | pvg |
Value: 76DB3D58EF8917CDB5D1BE5298500848DB863C77FD68FCA4133270567D186848 | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | sxsP |
Value: 2DBEB69888BBE0FCEC58F48368CC71147CE2331C3347AFAA12D23A79C2FFF420 | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | BDDC8 |
Value: B704FCB1A0CF1D16AD47371D1127BE02DA5A80278AA29C0F29555F84F4CCC65537526BA37AC258CC14E2932FE10C78210113CD3F4D8D5D0EFF7C5D6130345C18997FBE2D4D479C97D8C0871A6053359D1BF7E856DF2B0D0C | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | f7gVD7 |
Value: 9A6F0E178C0DE0B531B6D224CD7D3412498E188ACA1E967290BE484EBDCC43747752FA0AECA92A832EA6614E63070E8FFF80A906F52EEEBEB3950397A4E65CFBC03E0F538583E25DD7AABEFF04E050CEF1F4B864A770887D | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | Xu7Nnkd |
Value: .625868 | |||
| (PID) Process: | (3052) rundll32.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\QtProject\OrganizationDefaults |
| Operation: | write | Name: | sMMnxpgk |
Value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| |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
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HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
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