| download: | javascript.exe |
| Full analysis: | https://app.any.run/tasks/91b48976-6fa7-4cb8-bb76-85aef7038a59 |
| Verdict: | Malicious activity |
| Analysis date: | May 12, 2019, 13:15:37 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | MS-DOS executable |
| MD5: | DADB62781676F69CC258893669038113 |
| SHA1: | 231A5F70D46B54D8CC6108E876D8F4C17F72FD4B |
| SHA256: | B93CB250CCC59CA8EF20FED10FCD1C952F1EA3D01F9F98AED84DDD18878D69EA |
| SSDEEP: | 768:l9N/z86spBgeaDipIJcpVE5uWe+bMH1KPa42BNvv35BMCs:Fz86spBu2pVE5uWe+gVKaxBB5Q |
MALICIOUS
Changes the autorun value in the registry
- smss.exe (PID: 3412)
- javascript.exe (PID: 976)
- winlogon.exe (PID: 1436)
- services.exe (PID: 2548)
- lsass.exe (PID: 1584)
- inetinfo.exe (PID: 1732)
Writes to a start menu file
- smss.exe (PID: 3412)
SUSPICIOUS
Executable content was dropped or overwritten
- javascript.exe (PID: 976)
- smss.exe (PID: 3412)
- winlogon.exe (PID: 1436)
- services.exe (PID: 2548)
- lsass.exe (PID: 1584)
- inetinfo.exe (PID: 1732)
Starts itself from another location
- javascript.exe (PID: 976)
- smss.exe (PID: 3412)
Creates executable files which already exist in Windows
- javascript.exe (PID: 976)
Creates files in the user directory
- smss.exe (PID: 3412)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Mew compressed Win32 Executable (88.8) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (5.9) |
| .exe | | | Generic Win/DOS Executable (2.6) |
| .exe | | | DOS Executable Generic (2.6) |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 01-Jan-1970 00:00:00 |
DOS Header
| Magic number: | MZ |
|---|---|
| Bytes on last page of file: | 0x0000 |
| Pages in file: | 0x0000 |
| Relocations: | 0x0000 |
| Size of header: | 0x0000 |
| Min extra paragraphs: | 0x0000 |
| Max extra paragraphs: | 0x4550 |
| Initial SS value: | 0x0000 |
| Initial SP value: | 0x014C |
| Checksum: | 0x0002 |
| Initial IP value: | 0x0000 |
| Initial CS value: | 0x0000 |
| Overlay number: | 0x0000 |
| OEM identifier: | 0x010B |
| OEM information: | 0x0C05 |
| Address of NE header: | 0x0000000C |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 2 |
| Time date stamp: | 01-Jan-1970 00:00:00 |
| 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 |
|---|---|---|---|---|---|
DBX | 0x00001000 | 0x00024000 | 0x00000000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 0 |
\x02\xd2u\xdb\x8a\x16\xeb\xd4 | 0x00025000 | 0x00019000 | 0x0000A4D9 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 7.30562 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 2.96794 | 48 | Unicode (UTF 16LE) | UNKNOWN | RT_GROUP_ICON |
30001 | 3.63115 | 7336 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30002 | 3.1287 | 3240 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
30003 | 3.50839 | 872 | Unicode (UTF 16LE) | UNKNOWN | RT_ICON |
Imports
kernel32.dll |
Total processes
42
Monitored processes
9
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 976 | "C:\Users\admin\AppData\Local\Temp\javascript.exe" | C:\Users\admin\AppData\Local\Temp\javascript.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1436 | C:\Users\admin\AppData\Local\winlogon.exe | C:\Users\admin\AppData\Local\winlogon.exe | smss.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1584 | C:\Users\admin\AppData\Local\lsass.exe | C:\Users\admin\AppData\Local\lsass.exe | smss.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1732 | C:\Users\admin\AppData\Local\inetinfo.exe | C:\Users\admin\AppData\Local\inetinfo.exe | smss.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1888 | explorer.exe | C:\Windows\explorer.exe | — | javascript.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2052 | at 17:08 /every:M,T,W,Th,F,S,Su "C:\Users\admin\AppData\Roaming\Microsoft\Windows\Templates\Brengkolang.com" | C:\Windows\system32\at.exe | — | smss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Schedule service command line interface Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2532 | at /delete /y | C:\Windows\system32\at.exe | — | smss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Schedule service command line interface Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2548 | C:\Users\admin\AppData\Local\services.exe | C:\Users\admin\AppData\Local\services.exe | smss.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3412 | C:\Users\admin\AppData\Local\smss.exe | C:\Users\admin\AppData\Local\smss.exe | javascript.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
Total events
388
Read events
346
Write events
42
Delete events
0
Modification events
| (PID) Process: | (976) javascript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Tok-Cirrhatus |
Value: "C:\Users\admin\AppData\Local\smss.exe" | |||
| (PID) Process: | (976) javascript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | Hidden |
Value: 0 | |||
| (PID) Process: | (976) javascript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | HideFileExt |
Value: 1 | |||
| (PID) Process: | (976) javascript.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | ShowSuperHidden |
Value: 0 | |||
| (PID) Process: | (3412) smss.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Tok-Cirrhatus |
Value: "C:\Users\admin\AppData\Local\smss.exe" | |||
| (PID) Process: | (3412) smss.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | Hidden |
Value: 0 | |||
| (PID) Process: | (3412) smss.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | HideFileExt |
Value: 1 | |||
| (PID) Process: | (3412) smss.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | ShowSuperHidden |
Value: 0 | |||
| (PID) Process: | (1436) winlogon.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | Tok-Cirrhatus |
Value: "C:\Users\admin\AppData\Local\smss.exe" | |||
| (PID) Process: | (1436) winlogon.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced |
| Operation: | write | Name: | Hidden |
Value: 0 | |||
Executable files
22
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 976 | javascript.exe | C:\Users\admin\AppData\Local\services.exe | executable | |
MD5:— | SHA256:— | |||
| 3412 | smss.exe | C:\Users\admin\AppData\Local\services.exe | executable | |
MD5:— | SHA256:— | |||
| 976 | javascript.exe | C:\Users\admin\AppData\Local\lsass.exe | executable | |
MD5:— | SHA256:— | |||
| 3412 | smss.exe | C:\Users\admin\AppData\Local\Temp\~DF60A52EC9A90CB1A6.TMP | — | |
MD5:— | SHA256:— | |||
| 976 | javascript.exe | C:\Users\admin\AppData\Local\Temp\~DFF882CA5374F28E87.TMP | — | |
MD5:— | SHA256:— | |||
| 976 | javascript.exe | C:\Users\admin\AppData\Local\csrss.exe | executable | |
MD5:— | SHA256:— | |||
| 1732 | inetinfo.exe | C:\Users\admin\AppData\Local\Temp\~DF87DB0783BE5EBD4C.TMP | — | |
MD5:— | SHA256:— | |||
| 3412 | smss.exe | C:\Users\admin\AppData\Local\lsass.exe | executable | |
MD5:— | SHA256:— | |||
| 3412 | smss.exe | C:\Users\admin\AppData\Local\inetinfo.exe | executable | |
MD5:— | SHA256:— | |||
| 3412 | smss.exe | C:\Users\admin\AppData\Local\winlogon.exe | executable | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
1
DNS requests
2
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1732 | inetinfo.exe | GET | 404 | 67.195.197.23:80 | http://www.geocities.com/sbltlu3/IN12VLMLHQHP.txt | US | html | 3.15 Kb | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
1732 | inetinfo.exe | 67.195.197.23:80 | www.geocities.com | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| malicious |
www.geocities.com |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1732 | inetinfo.exe | A Network Trojan was detected | ET USER_AGENTS Brontok User-Agent Detected (Brontok.A3 Browser) |