| File name: | ac38d54e97a47a63179e9d67e576fea8 |
| Full analysis: | https://app.any.run/tasks/ca3cac67-7e89-4008-bd06-fab629627dc6 |
| Verdict: | Malicious activity |
| Analysis date: | September 25, 2020, 04:22:37 |
| 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 |
| MD5: | AC38D54E97A47A63179E9D67E576FEA8 |
| SHA1: | E8D478BB083AF2AD15A2329FEE53F7452003FCF6 |
| SHA256: | 8E211D65C161942CAD6175859A26546F6350AB65DC4808E62C96454BD2877ACE |
| SSDEEP: | 1536:beQveBNnRXolsLaNkFNAtF8BDUmdW0hOjrGcC1Fl1r3KIwHotwtwfu:beQwR4qLOknAtFfVmOPQnl17K3sfu |
MALICIOUS
Creates or modifies windows services
- ac38d54e97a47a63179e9d67e576fea8.exe (PID: 3268)
Loads dropped or rewritten executable
- svchost.exe (PID: 864)
SUSPICIOUS
Low-level read access rights to disk partition
- svchost.exe (PID: 864)
Executable content was dropped or overwritten
- ac38d54e97a47a63179e9d67e576fea8.exe (PID: 3268)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 EXE Yoda's Crypter (75.7) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.8) |
| .exe | | | Generic Win/DOS Executable (5.7) |
| .exe | | | DOS Executable Generic (5.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2009:05:03 20:05:27+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 5.12 |
| CodeSize: | - |
| InitializedDataSize: | - |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1000 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 03-May-2009 18:05:27 |
| Detected languages: |
|
| Comments: | - |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft(R) Windows(R) Operating System |
| FileVersion: | 5.2.3790.3959 |
| InternalName: | install |
| LegalCopyright: | ? Microsoft Corporation. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFilename: | install.exe |
| PrivateBuild: | - |
| ProductName: | Microsoft(R) Windows(R) Operating System |
| ProductVersion: | 5.2.3790.3959 |
| SpecialBuild: | - |
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: | 0x000000B0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 2 |
| Time date stamp: | 03-May-2009 18:05:27 |
| 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 | 0x00030000 | 0x00019C45 | 0x0001591E | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.93204 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.50193 | 1032 | UNKNOWN | Chinese - PRC | RT_VERSION |
Imports
kernel32.dll |
Total processes
37
Monitored processes
3
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 840 | "C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe" | C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(R) Windows(R) Operating System Exit code: 3221226540 Version: 5.2.3790.3959 Modules
| |||||||||||||||
| 864 | 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
| |||||||||||||||
| 3268 | "C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe" | C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft(R) Windows(R) Operating System Exit code: 0 Version: 5.2.3790.3959 Modules
| |||||||||||||||
Total events
10
Read events
4
Write events
5
Delete events
1
Modification events
| (PID) Process: | (3268) ac38d54e97a47a63179e9d67e576fea8.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility |
| Operation: | write | Name: | Description |
Value: ¼à²âÐÂÓ²¼þÉ豸²¢×Ô¶¯¸üÐÂÉ豸Çý¶¯³ÌÐò,Èç¹û½ûÓý«Ó°ÏìϵͳÕý³£ÔËÐÐ! | |||
| (PID) Process: | (3268) ac38d54e97a47a63179e9d67e576fea8.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility |
| Operation: | write | Name: | Module |
Value: C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe | |||
| (PID) Process: | (3268) ac38d54e97a47a63179e9d67e576fea8.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters |
| Operation: | write | Name: | ServiceDll |
Value: C:\Windows\system32\ntfastuserswitchingcompatibility.dll | |||
| (PID) Process: | (3268) ac38d54e97a47a63179e9d67e576fea8.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility\Parameters |
| Operation: | write | Name: | ServiceMain |
Value: FreeTest | |||
| (PID) Process: | (864) svchost.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\fastuserswitchingcompatibility |
| Operation: | delete value | Name: | Module |
Value: C:\Users\admin\AppData\Local\Temp\ac38d54e97a47a63179e9d67e576fea8.exe | |||
| (PID) Process: | (864) svchost.exe | Key: | HKEY_USERS\.DEFAULT\Software\Microsoft\ActiveMovie\devenum |
| Operation: | write | Name: | Version |
Value: 7 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3268 | ac38d54e97a47a63179e9d67e576fea8.exe | C:\Users\admin\AppData\Local\Temp\2551718.gho | — | |
MD5:— | SHA256:— | |||
| 3268 | ac38d54e97a47a63179e9d67e576fea8.exe | C:\Windows\system32\ntfastuserswitchingcompatibility.dll | executable | |
MD5:— | SHA256:— | |||
| 864 | svchost.exe | C:\Windows\appcompat\programs\RecentFileCache.bcf | txt | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
7
DNS requests
12
Threats
1
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 45.64.75.61:83 | cf2003.meibu.net | Cloudie Limited | TW | malicious |
— | — | 103.243.25.2:83 | www.sousouweb.com | Cloudie Limited | HK | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
cf2003.meibu.net |
| unknown |
www.sousouweb.com |
| unknown |
cq2018.meibu.net |
| unknown |
www.taixiao.ml |
| unknown |
www.baidu.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1048 | svchost.exe | Potentially Bad Traffic | ET INFO DNS Query for Suspicious .ml Domain |