| File name: | star.exe |
| Full analysis: | https://app.any.run/tasks/eb402b55-c51a-49a2-918a-160a95e8cfaa |
| Verdict: | Malicious activity |
| Threats: | Trojans are a group of malicious programs distinguished by their ability to masquerade as benign software. Depending on their type, trojans possess a variety of capabilities, ranging from maintaining full remote control over the victim’s machine to stealing data and files, as well as dropping other malware. At the same time, the main functionality of each trojan family can differ significantly depending on its type. The most common trojan infection chain starts with a phishing email. |
| Analysis date: | June 09, 2021, 03:09:52 |
| 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: | B67E5B1985742F62785122B637EF4FBD |
| SHA1: | 2429F18EBC64D59FE0E76F5F048EC22D195959BB |
| SHA256: | AC7281BD48B49FF0F35C2A12DF380D517977BEE9A19E41B23C835CC5FC7A903C |
| SSDEEP: | 12288:BRBrbBlHKtzNZ2fdw+sYh34z6TOvlA2LJwCIZj0hgtQcYU5IkPAVXvG2RfTn:NbBlVFlJ4z6TOvlAmJ3hgt/IoaxfT |
MALICIOUS
Changes settings of System certificates
- star.exe (PID: 2488)
- star.exe (PID: 2896)
- star.exe (PID: 3064)
Changes the autorun value in the registry
- star.exe (PID: 2488)
Loads the Task Scheduler COM API
- star.exe (PID: 2896)
- star.exe (PID: 2488)
- star.exe (PID: 3064)
- star.exe (PID: 824)
SUSPICIOUS
Checks supported languages
- star.exe (PID: 2488)
- star.exe (PID: 1816)
- star.exe (PID: 1956)
- star.exe (PID: 824)
- star.exe (PID: 2896)
- star.exe (PID: 2824)
- star.exe (PID: 3064)
- star.exe (PID: 2836)
- star.exe (PID: 1128)
- star.exe (PID: 3200)
Reads the computer name
- star.exe (PID: 2488)
- star.exe (PID: 824)
- star.exe (PID: 2896)
- star.exe (PID: 3064)
- star.exe (PID: 2836)
Adds / modifies Windows certificates
- star.exe (PID: 2488)
- star.exe (PID: 3064)
- star.exe (PID: 2896)
Application launched itself
- star.exe (PID: 1816)
- star.exe (PID: 1956)
- star.exe (PID: 2488)
- star.exe (PID: 2824)
- star.exe (PID: 2896)
- star.exe (PID: 3200)
- star.exe (PID: 1128)
Executable content was dropped or overwritten
- star.exe (PID: 2488)
Uses ICACLS.EXE to modify access control list
- star.exe (PID: 2488)
Drops a file that was compiled in debug mode
- star.exe (PID: 2488)
INFO
Reads settings of System Certificates
- star.exe (PID: 2488)
- star.exe (PID: 2896)
- star.exe (PID: 3064)
- star.exe (PID: 2836)
Checks Windows Trust Settings
- star.exe (PID: 2488)
- star.exe (PID: 2896)
- star.exe (PID: 3064)
- star.exe (PID: 2836)
Checks supported languages
- icacls.exe (PID: 3216)
Manual execution by user
- star.exe (PID: 2824)
- star.exe (PID: 1128)
Reads the computer name
- icacls.exe (PID: 3216)
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) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:08:30 20:25:49+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 729088 |
| InitializedDataSize: | 132096 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x20a0 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 44.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | Special build |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Russian |
| CharacterSet: | Unknown (05E6) |
| FileVersus: | 1.0.55.28 |
| ProductVersus: | 1.0.55.28 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 30-Aug-2020 18:25:49 |
| Detected languages: |
|
| Debug artifacts: |
|
| FileVersus: | 1.0.55.28 |
| ProductVersus: | 1.0.55.28 |
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: | 0x000000F0 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 30-Aug-2020 18:25:49 |
| 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 | 0x000B1EAB | 0x000B2000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.90235 |
.rdata | 0x000B3000 | 0x0000B24B | 0x0000B400 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.01492 |
.data | 0x000BF000 | 0x0000A344 | 0x00005200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.04033 |
.rsrc | 0x000CA000 | 0x00007FA8 | 0x00008000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.59248 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.66758 | 3752 | UNKNOWN | UNKNOWN | RT_ICON |
2 | 5.42998 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 5.7197 | 1736 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 5.90817 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 4.85188 | 9640 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 5.7486 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 5.87903 | 2440 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 6.31186 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
9 | 4.09164 | 304 | UNKNOWN | UNKNOWN | RT_CURSOR |
24 | 2.93983 | 300 | UNKNOWN | UNKNOWN | RT_STRING |
Imports
KERNEL32.dll |
USER32.dll |
Exports
Title | Ordinal | Address |
|---|---|---|
_zabiray@8 | 1 | 0x000B19B0 |
Total processes
58
Monitored processes
11
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 824 | "C:\Users\admin\Desktop\star.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1128 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1816 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | — | Explorer.EXE | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 1956 | "C:\Users\admin\Desktop\star.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2488 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2824 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | — | Explorer.EXE | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 2836 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2896 | "C:\Users\admin\Desktop\star.exe" | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3064 | "C:\Users\admin\Desktop\star.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 3200 | "C:\Users\admin\Desktop\star.exe" --Admin IsNotAutoStart IsNotTask | C:\Users\admin\Desktop\star.exe | star.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
Total events
14 491
Read events
14 216
Write events
260
Delete events
15
Modification events
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings |
| Operation: | write | Name: | ProxyEnable |
Value: 0 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections |
| Operation: | write | Name: | SavedLegacySettings |
Value: 460000003B010000090000000000000000000000000000000400000000000000C0E333BBEAB1D3010000000000000000000000000100000002000000C0A80164000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2488) star.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{035731E2-4ABF-4322-A9E1-E7E3D48F00D5} |
| Operation: | write | Name: | WpadDecisionReason |
Value: 1 | |||
Executable files
1
Suspicious files
4
Text files
4
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2488 | star.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\572BF21E454637C9F000BE1AF9B1E1A9 | binary | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\572BF21E454637C9F000BE1AF9B1E1A9 | der | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D | der | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D | binary | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157 | binary | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].json | text | |
MD5:— | SHA256:— | |||
| 2488 | star.exe | C:\Users\admin\AppData\Local\885829b6-ec8d-4c01-8a1e-a96e5b169c8b\star.exe | executable | |
MD5:— | SHA256:— | |||
| 2836 | star.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].json | text | |
MD5:— | SHA256:— | |||
| 2896 | star.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].json | text | |
MD5:— | SHA256:— | |||
| 3064 | star.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\78RFYB7Z\geo[1].json | text | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
18
DNS requests
6
Threats
13
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
824 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/files/penelop/updatewin1.exe | US | — | — | malicious |
824 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/nddddhsspen6/get.php?pid=6E3AAB7CB29BC9495DFDE01272C66F39&first=false | US | — | — | malicious |
3064 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/files/penelop/updatewin2.exe | US | — | — | malicious |
3064 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/nddddhsspen6/get.php?pid=6E3AAB7CB29BC9495DFDE01272C66F39&first=true | US | — | — | malicious |
3064 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/files/penelop/updatewin.exe | US | — | — | malicious |
824 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/files/penelop/updatewin2.exe | US | — | — | malicious |
824 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/nddddhsspen6/get.php?pid=6E3AAB7CB29BC9495DFDE01272C66F39&first=false | US | — | — | malicious |
2488 | star.exe | GET | 200 | 67.26.81.254:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?c9361c974caf9deb | US | compressed | 4.70 Kb | whitelisted |
3064 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/nddddhsspen6/get.php?pid=6E3AAB7CB29BC9495DFDE01272C66F39&first=true | US | — | — | malicious |
3064 | star.exe | GET | — | 35.236.78.72:80 | http://asvb.top/files/penelop/updatewin1.exe | US | — | — | malicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
2488 | star.exe | 77.123.139.190:443 | api.2ip.ua | Volia | UA | suspicious |
2488 | star.exe | 151.139.128.14:80 | ocsp.comodoca.com | Highwinds Network Group, Inc. | US | suspicious |
824 | star.exe | 77.123.139.190:443 | api.2ip.ua | Volia | UA | suspicious |
2896 | star.exe | 77.123.139.190:443 | api.2ip.ua | Volia | UA | suspicious |
3064 | star.exe | 77.123.139.190:443 | api.2ip.ua | Volia | UA | suspicious |
3064 | star.exe | 35.236.78.72:80 | asvb.top | — | US | malicious |
2836 | star.exe | 77.123.139.190:443 | api.2ip.ua | Volia | UA | suspicious |
824 | star.exe | 35.236.78.72:80 | asvb.top | — | US | malicious |
2488 | star.exe | 67.26.81.254:80 | ctldl.windowsupdate.com | Level 3 Communications, Inc. | US | suspicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
api.2ip.ua |
| shared |
ctldl.windowsupdate.com |
| whitelisted |
ocsp.comodoca.com |
| whitelisted |
crl.comodoca.com |
| whitelisted |
ocsp.usertrust.com |
| whitelisted |
asvb.top |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | ET POLICY External IP Address Lookup DNS Query |
— | — | Potentially Bad Traffic | ET DNS Query to a *.top domain - Likely Hostile |
— | — | A Network Trojan was detected | ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer) |
— | — | Potentially Bad Traffic | ET INFO HTTP Request to a *.top domain |
— | — | A Network Trojan was detected | ET USER_AGENTS Suspicious User Agent (Microsoft Internet Explorer) |
— | — | A Network Trojan was detected | ET TROJAN Potential Dridex.Maldoc Minimal Executable Request |
— | — | A Network Trojan was detected | ET CURRENT_EVENTS SUSPICIOUS Firesale gTLD EXE DL with no Referer June 13 2016 |
— | — | A Network Trojan was detected | ET TROJAN Potential Dridex.Maldoc Minimal Executable Request |
— | — | A Network Trojan was detected | ET CURRENT_EVENTS SUSPICIOUS Firesale gTLD EXE DL with no Referer June 13 2016 |
— | — | A Network Trojan was detected | ET TROJAN Potential Dridex.Maldoc Minimal Executable Request |
1 ETPRO signatures available at the full report