File name: | 57 |
Full analysis: | https://app.any.run/tasks/498ee56f-da90-4443-a828-f8a0e8fb7fc6 |
Verdict: | Malicious activity |
Threats: | Quasar is a very popular RAT in the world thanks to its code being available in open-source. This malware can be used to control the victim’s computer remotely. |
Analysis date: | February 13, 2020, 12:50:49 |
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: | B2D0B59E50F0B83EF4DB47DDDBA19741 |
SHA1: | 4E0700A21829159284D252945D62C07B56199072 |
SHA256: | 5791D0FB77D63E322006CC0AB2C42B02FB4297FE5DF28151246F2E8C0E0B3A23 |
SSDEEP: | 24576:aAHnh+eWsN3skA4RV1Hom2KXSmdajhTlfstrx1h39vCN5MS8XK1ap9zG9cEVPrZB:th+ZkldoPKi2ajL4V9FS8rGKGrGZztK |
.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) |
MachineType: | Intel 386 or later, and compatibles |
---|---|
TimeStamp: | 2020:02:12 13:54:11+01:00 |
PEType: | PE32 |
LinkerVersion: | 12 |
CodeSize: | 581632 |
InitializedDataSize: | 1463296 |
UninitializedDataSize: | - |
EntryPoint: | 0x2800a |
OSVersion: | 5.1 |
ImageVersion: | - |
SubsystemVersion: | 5.1 |
Subsystem: | Windows GUI |
FileVersionNumber: | 696.979.372.172 |
ProductVersionNumber: | 0.0.0.0 |
FileFlagsMask: | 0x0000 |
FileFlags: | (none) |
FileOS: | Unknown (0) |
ObjectFileType: | Unknown |
FileSubtype: | - |
LanguageCode: | English (U.S.) |
CharacterSet: | Unicode |
FileDescription: | Update |
OriginalFileName: | Update.exe |
CompanyName: | GitHub |
LegalCopyright: | Copyright © GitHub 2013-2015 |
ProductName: | Update |
ProductVersion: | 640, 274, 536, 255 |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 12-Feb-2020 12:54:11 |
Detected languages: |
|
FileDescription: | Update |
OriginalFilename: | Update.exe |
CompanyName: | GitHub |
LegalCopyright: | Copyright © GitHub 2013-2015 |
ProductName: | Update |
ProductVersion: | 640, 274, 536, 255 |
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 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 5 |
Time date stamp: | 12-Feb-2020 12:54:11 |
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 | 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 | 0x001291C3 | 0x00129200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 7.98314 |
.reloc | 0x001F2000 | 0x00007134 | 0x00007200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 6.78396 |
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 | 3.65355 | 744 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
5 | 3.43704 | 296 | Latin 1 / Western European | English - United Kingdom | RT_ICON |
6 | 4.16139 | 3752 | 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 |
ADVAPI32.dll |
COMCTL32.dll |
COMDLG32.dll |
GDI32.dll |
IPHLPAPI.DLL |
KERNEL32.dll |
MPR.dll |
OLEAUT32.dll |
PSAPI.DLL |
SHELL32.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
3692 | "C:\Users\admin\AppData\Local\Temp\57.exe" | C:\Users\admin\AppData\Local\Temp\57.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
3640 | "C:\Windows\system32\taskmgr.exe" /4 | C:\Windows\system32\taskmgr.exe | — | explorer.exe |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Task Manager Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
4004 | "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe | 57.exe | |
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: MSBuild.exe Version: 4.7.3062.0 built by: NET472REL1 |
PID | Process | Filename | Type | |
---|---|---|---|---|
3692 | 57.exe | C:\Users\admin\AssignedAccessCsp\AssignedAccessCsp.vbs | text | |
MD5:9BE6F665E392D39683FAE53C0E932728 | SHA256:AECB6A962F5E8FEEDF0868D94683B2E4BC10D7111BE5C71E73E9C80B5F18B358 | |||
3692 | 57.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\AssignedAccessCsp.url | text | |
MD5:3246B2973F452462FAAD15311AF9C279 | SHA256:1220281E974674CCF57B3480C812C232D0E21C0D8F6F89BADF028DE79AFFA7E7 | |||
4004 | MSBuild.exe | C:\Users\admin\AppData\Roaming\Logs\02-13-2020 | binary | |
MD5:93D396697868149637E3C93A5270F5D6 | SHA256:8D0D8663A6AF4BC4EA39C8D55D47BB5CF4B87609F2AE9B20A646408F9EAA981E | |||
3692 | 57.exe | C:\Users\admin\AssignedAccessCsp\LocationNotificationWindows.exe | executable | |
MD5:B2D0B59E50F0B83EF4DB47DDDBA19741 | SHA256:5791D0FB77D63E322006CC0AB2C42B02FB4297FE5DF28151246F2E8C0E0B3A23 |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
4004 | MSBuild.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/json/ | unknown | text | 289 b | shared |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
4004 | MSBuild.exe | 134.209.192.40:6732 | wedontgetreversed.duckdns.org | — | US | suspicious |
4004 | MSBuild.exe | 208.95.112.1:80 | ip-api.com | IBURST | — | malicious |
Domain | IP | Reputation |
---|---|---|
ip-api.com |
| shared |
wedontgetreversed.duckdns.org |
| suspicious |
PID | Process | Class | Message |
---|---|---|---|
4004 | MSBuild.exe | Potential Corporate Privacy Violation | ET POLICY External IP Lookup ip-api.com |
4004 | MSBuild.exe | Potential Corporate Privacy Violation | AV POLICY Internal Host Retrieving External IP Address (ip-api. com) |
4004 | MSBuild.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar.RAT IP Lookup |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
4004 | MSBuild.exe | A Network Trojan was detected | REMOTE [PTsecurity] Quasar |