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| File name: | imyafaila.exe |
| Full analysis: | https://app.any.run/tasks/edccf882-3c21-4ea8-9fe3-a3bf7c63f201 |
| Verdict: | Malicious activity |
| Analysis date: | January 18, 2020, 01:01:45 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive |
| MD5: | 0483517AF02A2B05703B43584C592FB6 |
| SHA1: | E446D23D281DB1850E4AF4647E8096A3D3CA6F74 |
| SHA256: | 0CD7A860BD6507E433E0F389B54C070282F8EE2BF39A9A729611C53C73EFCED2 |
| SSDEEP: | 49152:2c23/pCnsA+82PuE0Tfb1gm2Naf7iYCM2tUc:2c2PInsAvkcfb1r2kORM2tL |
MALICIOUS
Executes PowerShell scripts
- cmd.exe (PID: 2516)
- cmd.exe (PID: 2712)
Loads dropped or rewritten executable
- sysprep.exe (PID: 504)
Starts NET.EXE to view/change users group
- powershell.exe (PID: 3324)
Creates or modifies windows services
- reg.exe (PID: 3836)
Starts NET.EXE for service management
- cmd.exe (PID: 3452)
- cmd.exe (PID: 1932)
SUSPICIOUS
Executable content was dropped or overwritten
- powershell.exe (PID: 2548)
- wusa.exe (PID: 2424)
- powershell.exe (PID: 3324)
Creates files in the user directory
- powershell.exe (PID: 2548)
- powershell.exe (PID: 3324)
Creates files in the Windows directory
- powershell.exe (PID: 2548)
- wusa.exe (PID: 2424)
- sysprep.exe (PID: 504)
- powershell.exe (PID: 3324)
Starts CMD.EXE for commands execution
- imyafaila.exe (PID: 2260)
- sysprep.exe (PID: 504)
- cmd.exe (PID: 960)
- cmd.exe (PID: 4036)
- powershell.exe (PID: 3324)
Removes files from Windows directory
- wusa.exe (PID: 2424)
Uses REG.EXE to modify Windows registry
- powershell.exe (PID: 3324)
Creates files in the program directory
- powershell.exe (PID: 3324)
Uses ICACLS.EXE to modify access control list
- powershell.exe (PID: 3324)
INFO
No info indicators.
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) (67.4) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.2) |
| .exe | | | Win32 Executable (generic) (9.7) |
| .exe | | | Generic Win/DOS Executable (4.3) |
| .exe | | | DOS Executable Generic (4.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2018:12:15 23:24:50+01:00 |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | 25600 |
| InitializedDataSize: | 162816 |
| UninitializedDataSize: | 1024 |
| EntryPoint: | 0x334a |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.1.8.1 |
| ProductVersionNumber: | 1.1.8.1 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| Comments: | installation |
| CompanyName: | update installation llc |
| FileDescription: | installation pzbdgjmhgt isntaller |
| FileVersion: | 1.1.8.1 |
| LegalCopyright: | all rights reserved |
| LegalTrademarks: | copyright pzbdgjmhgt all rights |
| ProductName: | update of installation software |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 15-Dec-2018 22:24:50 |
| Detected languages: |
|
| Comments: | installation |
| CompanyName: | update installation llc |
| FileDescription: | installation pzbdgjmhgt isntaller |
| FileVersion: | 1.1.8.1 |
| LegalCopyright: | all rights reserved |
| LegalTrademarks: | copyright pzbdgjmhgt all rights |
| ProductName: | update of installation software |
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: | 0x000000D8 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 15-Dec-2018 22:24:50 |
| 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 | 0x000063E5 | 0x00006400 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.49167 |
.rdata | 0x00008000 | 0x0000135C | 0x00001400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.24742 |
.data | 0x0000A000 | 0x00025538 | 0x00000600 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 4.1242 |
.ndata | 0x00030000 | 0x00009000 | 0x00000000 | IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
.rsrc | 0x00039000 | 0x000291F8 | 0x00029200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 1.35846 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.2992 | 830 | UNKNOWN | English - United States | RT_MANIFEST |
2 | 1.01866 | 38056 | UNKNOWN | English - United States | RT_ICON |
3 | 1.04594 | 21640 | UNKNOWN | English - United States | RT_ICON |
4 | 0.940199 | 16936 | UNKNOWN | English - United States | RT_ICON |
5 | 1.19736 | 9640 | UNKNOWN | English - United States | RT_ICON |
6 | 1.28057 | 4264 | UNKNOWN | English - United States | RT_ICON |
7 | 7.7441 | 3454 | UNKNOWN | English - United States | RT_ICON |
8 | 1.46846 | 2440 | UNKNOWN | English - United States | RT_ICON |
9 | 1.60692 | 1128 | UNKNOWN | English - United States | RT_ICON |
103 | 3.03466 | 132 | UNKNOWN | English - United States | RT_GROUP_ICON |
Imports
ADVAPI32.dll |
COMCTL32.dll |
GDI32.dll |
KERNEL32.dll |
SHELL32.dll |
USER32.dll |
ole32.dll |
Total processes
82
Monitored processes
40
Malicious processes
6
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2260 | "C:\Users\admin\AppData\Local\Temp\imyafaila.exe" | C:\Users\admin\AppData\Local\Temp\imyafaila.exe | — | explorer.exe |
User: admin Company: update installation llc Integrity Level: MEDIUM Description: installation pzbdgjmhgt isntaller Exit code: 0 Version: 1.1.8.1 | ||||
| 2860 | "C:\Windows\system32\cmd.exe" /c timeout -n 7&del $EXEPATH /f | C:\Windows\system32\cmd.exe | — | imyafaila.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 2516 | "C:\Windows\system32\cmd.exe" /c timeout -t 15& powershell -ep bypass -f C:\Users\admin\AppData\Local\Temp\installation.ps1 | C:\Windows\system32\cmd.exe | — | imyafaila.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) | ||||
| 956 | timeout -n 7 | C:\Windows\system32\timeout.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2996 | timeout -t 15 | C:\Windows\system32\timeout.exe | — | cmd.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2548 | powershell -ep bypass -f C:\Users\admin\AppData\Local\Temp\installation.ps1 | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | cmd.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows PowerShell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 2340 | "C:\Windows\system32\makecab.exe" C:\Users\admin\AppData\Local\Temp\CRYPTBASE.dll C:\Users\admin\AppData\Local\Temp\uac.cab | C:\Windows\system32\makecab.exe | — | powershell.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft® Cabinet Maker Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3204 | "C:\Windows\system32\wusa.exe" C:\Users\admin\AppData\Local\Temp\uac.cab /extract:C:\Windows\System32\Sysprep\ | C:\Windows\system32\wusa.exe | — | powershell.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Update Standalone Installer Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3764 | "C:\Windows\system32\wusa.exe" "C:\Windows\system32\wusa.exe" C:\Users\admin\AppData\Local\Temp\uac.cab /extract:C:\Windows\System32\Sysprep\ | C:\Windows\system32\wusa.exe | — | powershell.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Update Standalone Installer Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3896 | "C:\Windows\system32\wusa.exe" C:\Users\admin\AppData\Local\Temp\uac.cab /extract:C:\Windows\System32\Sysprep\ | C:\Windows\system32\wusa.exe | — | powershell.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Update Standalone Installer Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
Total events
930
Read events
809
Write events
0
Delete events
0
Modification events
Executable files
3
Suspicious files
5
Text files
8
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2260 | imyafaila.exe | C:\Users\admin\AppData\Local\Temp\nst9C7B.tmp\blowfish.dll | — | |
MD5:— | SHA256:— | |||
| 2260 | imyafaila.exe | C:\Users\admin\AppData\Local\Temp\nst9C7B.tmp\System.dll | — | |
MD5:— | SHA256:— | |||
| 2260 | imyafaila.exe | C:\Users\admin\AppData\Local\Temp\nsd9C7A.tmp | — | |
MD5:— | SHA256:— | |||
| 2548 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\0LFN7IXGWLFB3QOIWDSZ.temp | — | |
MD5:— | SHA256:— | |||
| 2340 | makecab.exe | C:\Users\admin\AppData\Local\Temp\cab_2340_2 | — | |
MD5:— | SHA256:— | |||
| 2340 | makecab.exe | C:\Users\admin\AppData\Local\Temp\cab_2340_3 | — | |
MD5:— | SHA256:— | |||
| 2340 | makecab.exe | C:\Users\admin\AppData\Local\Temp\cab_2340_4 | — | |
MD5:— | SHA256:— | |||
| 2340 | makecab.exe | C:\Users\admin\AppData\Local\Temp\cab_2340_5 | — | |
MD5:— | SHA256:— | |||
| 2340 | makecab.exe | C:\Users\admin\AppData\Local\Temp\cab_2340_6 | — | |
MD5:— | SHA256:— | |||
| 2424 | wusa.exe | C:\Windows\System32\Sysprep\$dpx$.tmp\3d7c16706e53f94ea407cb87464b8ca1.tmp | — | |
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
Connections
DNS requests
Threats
Process | Message |
|---|---|
sysprep.exe | Fubuki at your service.
|