| File name: | AssetsGTA5.exe |
| Full analysis: | https://app.any.run/tasks/443691bb-dc28-486c-a18f-d51bba1b878b |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | May 20, 2022, 22:06:21 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 9E5700739C047A7D9C4BA8E8BECFEBCA |
| SHA1: | 8E737772F6A4A633341B2E6ACABE992C74D78DD3 |
| SHA256: | D07E2E6F2F51DBFC51E7A7A69BBB15D486B0A7690C74B47952C65FCE8B44833A |
| SSDEEP: | 6144:VTEgdc0Y9X7IxUpGREW3UQtKpIa9VyivRTcEggb8F9I6usUcTR32:VTEgdfYmxU6UrQDbUcd2 |
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
| AssemblyVersion: | 1.4.0.0 |
|---|---|
| ProductVersion: | 1.4.0 |
| ProductName: | Quasar |
| OriginalFileName: | Client.exe |
| LegalTrademarks: | - |
| LegalCopyright: | Copyright © MaxXor 2020 |
| InternalName: | Client.exe |
| FileVersion: | 1.4.0 |
| FileDescription: | Quasar Client |
| CompanyName: | - |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.4.0.0 |
| FileVersionNumber: | 1.4.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0x7e74e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 3584 |
| CodeSize: | 509952 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2020:06:05 17:59:49+02:00 |
| MachineType: | Intel 386 or later, and compatibles |
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 05-Jun-2020 15:59:49 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Quasar Client |
| FileVersion: | 1.4.0 |
| InternalName: | Client.exe |
| LegalCopyright: | Copyright © MaxXor 2020 |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | Quasar |
| ProductVersion: | 1.4.0 |
| Assembly Version: | 1.4.0.0 |
| 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: | 0x00000080 |
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 3 |
| Time date stamp: | 05-Jun-2020 15:59:49 |
| Pointer to Symbol Table: | 0x00000000 |
| Number of symbols: | 0 |
| Size of Optional Header: | 0x00E0 |
| Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 0x00002000 | 0x0007C754 | 0x0007C800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 6.16779 |
.rsrc | 0x00080000 | 0x00000A93 | 0x00000C00 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.6519 |
.reloc | 0x00082000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.18029 | 1751 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2944 | "C:\Users\admin\AppData\Local\Temp\AssetsGTA5.exe" | C:\Users\admin\AppData\Local\Temp\AssetsGTA5.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.4.0 Modules
| |||||||||||||||
| 3548 | "C:\Users\admin\AppData\Roaming\SubDir\WinSub.exe" | C:\Users\admin\AppData\Roaming\SubDir\WinSub.exe | AssetsGTA5.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Quasar Client Exit code: 0 Version: 1.4.0 Modules
Quasar(PID) Process(3548) WinSub.exe Version1.4.0 C2 (2)45.134.140.167:55960 Sub_DirSubDir Install_NameWinSub.exe Mutexf3e7b920-2f38-41bc-aea9-11f3b09819b3 StartupWinSub TagOffice04 LogDirLogs SignatureiB16lSTMdCzW0TJbULiZVT+SOtC909dcpaYxwadJP+Mr2QELGF46scHNE3pHu7rBv8DBxv0dofn9QNRH5UNzTPrpiUZTB0WifwZIFiVf2KFZjFFHK6g/yjX7IRdjiid0xt6a0cAoT5s2TQrrbbUEnBb7BZgVst+JQs3Eb7r6oKmMVc84DPgQ5KlmNQhOh9u30n9ybLaCJCm4fu2z3ocJmPEwXTrTvkfnbIl5f3d29nvtVcacudD0kib9pD1bY74DnhRKSVDps9A5HNtezqZGZs/YeGb1hFYx7qvj5ou0u+pL... CertificateMIIE9DCCAtygAwIBAgIQANoFvnfgVRWhYu+eDue9VzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTIyMDUwODAxMDgzMVoYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw8CXLeMoaC57RSZOA2UXKoXvTygbUc15/IA9hPMDtgWV6glMzxVXPoQMg0lk0ctufFR7yVwa... | |||||||||||||||
| (PID) Process: | (2944) AssetsGTA5.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2944) AssetsGTA5.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | WinSub |
Value: "C:\Users\admin\AppData\Local\Temp\AssetsGTA5.exe" | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | WinSub |
Value: "C:\Users\admin\AppData\Roaming\SubDir\WinSub.exe" | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (3548) WinSub.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\WinSub_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3548 | WinSub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:— | SHA256:— | |||
| 3548 | WinSub.exe | C:\Users\admin\AppData\Local\Temp\Tar85AD.tmp | cat | |
MD5:— | SHA256:— | |||
| 3548 | WinSub.exe | C:\Users\admin\AppData\Local\Temp\Cab85AC.tmp | compressed | |
MD5:— | SHA256:— | |||
| 2944 | AssetsGTA5.exe | C:\Users\admin\AppData\Roaming\SubDir\WinSub.exe | executable | |
MD5:— | SHA256:— | |||
| 3548 | WinSub.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:— | SHA256:— | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3548 | WinSub.exe | GET | 200 | 93.184.221.240:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?dc27e6427328c7fb | US | compressed | 60.0 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3548 | WinSub.exe | 45.134.140.167:55960 | — | — | — | malicious |
3548 | WinSub.exe | 185.172.148.96:443 | tools.keycdn.com | proinity GmbH | DE | suspicious |
3548 | WinSub.exe | 93.184.221.240:80 | ctldl.windowsupdate.com | MCI Communications Services, Inc. d/b/a Verizon Business | US | whitelisted |
3548 | WinSub.exe | 3.220.57.224:443 | api.ipify.org | — | US | malicious |
Domain | IP | Reputation |
|---|---|---|
ctldl.windowsupdate.com |
| whitelisted |
tools.keycdn.com |
| suspicious |
api.ipify.org |
| shared |
PID | Process | Class | Message |
|---|---|---|---|
3548 | WinSub.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (Quasar CnC) |
3548 | WinSub.exe | A Network Trojan was detected | ET TROJAN Generic AsyncRAT Style SSL Cert |
3548 | WinSub.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (Quasar CnC) |
3548 | WinSub.exe | A Network Trojan was detected | ET TROJAN Generic AsyncRAT Style SSL Cert |
3548 | WinSub.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (Quasar CnC) |