| File name: | chuks.exe |
| Full analysis: | https://app.any.run/tasks/14091f09-2b7a-4bfd-9971-fdac4bd4c676 |
| Verdict: | Malicious activity |
| Threats: | Agent Tesla is spyware that collects information about the actions of its victims by recording keystrokes and user interactions. It is falsely marketed as a legitimate software on the dedicated website where this malware is sold. |
| Analysis date: | May 21, 2019, 01:07:19 |
| 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: | CCCC310CD457B9B575CBAB5DC1972B86 |
| SHA1: | F4760404D3C20BF5DCB4E41E0679CA1776F10166 |
| SHA256: | 38FFB48E3411F9FEA090E0EC2A0D0A1C9AE078422D5432E4D562A453E390EA6E |
| SSDEEP: | 24576:9AHnh+eWsN3skA4RV1Hom2KXSmdaNhxqT+Q9gT0JZEdZJcZ5:ch+ZkldoPKi2aNhQjrGdDe |
MALICIOUS
Known privilege escalation attack
- chuks.exe (PID: 3272)
Writes to a start menu file
- chuks.exe (PID: 3740)
Actions looks like stealing of personal data
- RegSvcs.exe (PID: 2572)
AGENTTESLA was detected
- RegSvcs.exe (PID: 2572)
SUSPICIOUS
Creates files in the user directory
- chuks.exe (PID: 3740)
Modifies the open verb of a shell class
- chuks.exe (PID: 3272)
Executable content was dropped or overwritten
- chuks.exe (PID: 3740)
Starts CMD.EXE for commands execution
- chuks.exe (PID: 3740)
Starts CMD.EXE for self-deleting
- chuks.exe (PID: 3740)
Checks for external IP
- RegSvcs.exe (PID: 2572)
INFO
No info indicators.
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: | 2019:05:20 12:38:44+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 581632 |
| InitializedDataSize: | 701952 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2800a |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (British) |
| CharacterSet: | Unicode |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 20-May-2019 10:38:44 |
| Detected languages: |
|
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: | 0x00000110 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 5 |
| Time date stamp: | 20-May-2019 10:38:44 |
| 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 | 0x0008DFDD | 0x0008E000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.67525 |
.rdata | 0x0008F000 | 0x0002FD8E | 0x0002FE00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.76322 |
.data | 0x000BF000 | 0x00008F74 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.19638 |
.rsrc | 0x000C8000 | 0x0006F3B0 | 0x0006F400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.65297 |
.reloc | 0x00138000 | 0x00007134 | 0x00007200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.78396 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.40026 | 1007 | Latin 1 / Western European | English - United Kingdom | RT_MANIFEST |
2 | 2.05883 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
3 | 2.25499 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
4 | 2.14481 | 60104 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
7 | 3.34702 | 1428 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
8 | 3.2817 | 1674 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
9 | 3.28849 | 1168 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
10 | 3.28373 | 1532 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
11 | 3.26322 | 1628 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
12 | 3.25812 | 1126 | Latin 1 / Western European | English - United Kingdom | RT_STRING |
Imports
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
OLEAUT32.dll |
PSAPI.DLL |
SHELL32.dll |
Total processes
42
Monitored processes
7
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1724 | "C:\Windows\System32\cmd.exe" /c TimeOut 1 & Del /F "C:\Users\admin\AppData\Local\Temp\chuks.exe" | C:\Windows\System32\cmd.exe | — | chuks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2288 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | — | chuks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Event Viewer Snapin Launcher Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2572 | "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe" | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe | chuks.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft .NET Services Installation Utility Exit code: 0 Version: 2.0.50727.5420 (Win7SP1.050727-5400) Modules
| |||||||||||||||
| 3272 | "C:\Users\admin\AppData\Local\Temp\chuks.exe" | C:\Users\admin\AppData\Local\Temp\chuks.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3280 | "C:\Windows\System32\eventvwr.exe" | C:\Windows\System32\eventvwr.exe | chuks.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Event Viewer Snapin Launcher Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3696 | TimeOut 1 | C:\Windows\system32\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3740 | "C:\Users\admin\AppData\Local\Temp\chuks.exe" | C:\Users\admin\AppData\Local\Temp\chuks.exe | eventvwr.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
262
Read events
237
Write events
25
Delete events
0
Modification events
| (PID) Process: | (3272) chuks.exe | Key: | HKEY_CLASSES_ROOT\mscfile\shell\open\command |
| Operation: | write | Name: | |
Value: C:\Users\admin\AppData\Local\Temp\chuks.exe | |||
| (PID) Process: | (3272) chuks.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3272) chuks.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3280) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3280) eventvwr.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (3740) chuks.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 0 | |||
| (PID) Process: | (3740) chuks.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 1 | |||
| (PID) Process: | (2572) RegSvcs.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegSvcs_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (2572) RegSvcs.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegSvcs_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (2572) RegSvcs.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\RegSvcs_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: 4294901760 | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3740 | chuks.exe | C:\Users\admin\AppData\Roaming\bderepair\Setup.exe | executable | |
MD5:— | SHA256:— | |||
| 2572 | RegSvcs.exe | C:\Users\admin\AppData\Local\Temp\636940012892858750_6ec9c049-54f3-4ff6-b5f1-c58586c17049.db | sqlite | |
MD5:— | SHA256:— | |||
| 3740 | chuks.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\sfc.vbs | text | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
2
Threats
5
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2572 | RegSvcs.exe | GET | 200 | 18.211.215.84:80 | http://checkip.amazonaws.com/ | US | text | 14 b | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2572 | RegSvcs.exe | 198.54.125.61:26 | mail.sweeddehacklord.us | Namecheap, Inc. | US | malicious |
2572 | RegSvcs.exe | 18.211.215.84:80 | checkip.amazonaws.com | — | US | shared |
DNS requests
Domain | IP | Reputation |
|---|---|---|
mail.sweeddehacklord.us |
| malicious |
checkip.amazonaws.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2572 | RegSvcs.exe | A Network Trojan was detected | MALWARE [PTsecurity] AgentTesla IP Check |
2572 | RegSvcs.exe | A Network Trojan was detected | MALWARE [PTsecurity] Trojan-Spy.Keylogger.AgentTesla Exfiltration by SMTP |
3 ETPRO signatures available at the full report