| File name: | Yarik.dll |
| Full analysis: | https://app.any.run/tasks/176888fd-6502-4838-9574-23002dabeb9e |
| Verdict: | Malicious activity |
| Analysis date: | July 12, 2020, 17:30:04 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows |
| MD5: | 6E79C32D9AAB9BF8CE2D282C53CF4CE2 |
| SHA1: | 7F61105BEADD92A3118AFA6E64E6F2DDF8C6A039 |
| SHA256: | 185CB808D0683A68E24022ED5BF8FCD19723B2A967DAB433474A2C55FDA2571F |
| SSDEEP: | 6144:zpmfmV9S1hRnjUpaotqqFK7u2YNEf5j8Uq4QpT2CwZQM:EcQ1hRjWaJqFmY8aUqdTLwuM |
MALICIOUS
Loads dropped or rewritten executable
- svchost.exe (PID: 872)
- explorer.exe (PID: 348)
- WerFault.exe (PID: 2652)
- SearchProtocolHost.exe (PID: 3452)
SUSPICIOUS
Uses RUNDLL32.EXE to load library
- explorer.exe (PID: 348)
INFO
Loads main object executable
- rundll32.exe (PID: 1640)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2019:07:20 01:37:23+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 457728 |
| InitializedDataSize: | 623104 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x10a001 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 19-Jul-2019 23:37:23 |
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: | 0x000000E8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 6 |
| Time date stamp: | 19-Jul-2019 23:37:23 |
| 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 | 0x00070000 | 0x0002E200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.99854 |
.rdata | 0x00071000 | 0x00021000 | 0x0000AC00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.99381 |
.data | 0x00092000 | 0x0006F000 | 0x00002000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.75875 |
.reloc | 0x00101000 | 0x00009000 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.9669 |
.armgdn | 0x0010A000 | 0x00002000 | 0x00001200 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 5.75254 |
.adata | 0x0010C000 | 0x00001000 | 0x00000000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
Imports
kernel32.dll |
Total processes
36
Monitored processes
5
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 348 | 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
| |||||||||||||||
| 872 | C:\Windows\system32\svchost.exe -k netsvcs | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1640 | "C:\Windows\System32\rundll32.exe" "C:\Users\admin\Desktop\Yarik.dll.exe", DllMain | C:\Windows\System32\rundll32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 3221225477 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2652 | C:\Windows\system32\WerFault.exe -u -p 1640 -s 252 | C:\Windows\system32\WerFault.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3452 | "C:\Windows\system32\SearchProtocolHost.exe" Global\UsGthrFltPipeMssGthrPipe3_ Global\UsGthrCtrlFltPipeMssGthrPipe3 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: 7.00.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
881
Read events
881
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
1
Text files
67
Unknown types
3
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1640 | rundll32.exe | C:\Users\admin\Desktop\YariArmageddon.ini | text | |
MD5:— | SHA256:— | |||
| 1640 | rundll32.exe | C:\Users\admin\Desktop\YariCoordMaster.ini | text | |
MD5:— | SHA256:— | |||
| 872 | svchost.exe | C:\Windows\appcompat\programs\RecentFileCache.bcf | txt | |
MD5:— | SHA256:— | |||
| 2652 | WerFault.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\WER\ReportArchive\AppCrash_rundll32.exe_Yar_2fcd70716d29d3c42a8d877a77fed41f16a3ea8_0a53b02c\Report.wer | binary | |
MD5:— | SHA256:— | |||
| 1640 | rundll32.exe | C:\Users\admin\Desktop\YariPatches.ini | text | |
MD5:— | SHA256:— | |||
| 2652 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rundll32.exe.1640.dmp | dmp | |
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