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| File name: | Quasar_Hack.exe |
| Full analysis: | https://app.any.run/tasks/2867444a-96d3-4b8c-b457-4d8bb77e8db7 |
| Verdict: | Malicious activity |
| Threats: | njRAT is a remote access trojan. It is one of the most widely accessible RATs on the market that features an abundance of educational information. Interested attackers can even find tutorials on YouTube. This allows it to become one of the most popular RATs in the world. |
| Analysis date: | July 12, 2020, 20:16:41 |
| 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: | BFBD6411A483F22D5604902A2B627031 |
| SHA1: | D7F3202B26F5FEBE935CF9E208F7D415CAAFA722 |
| SHA256: | AA519D0B10B8A3D8DFDBB4195D8E91C57E7AE62E5D8A3D3872CA48C7FE9F3BE4 |
| SSDEEP: | 3072:ot2aUMouTh8sLz11h5FWqUgEgjVr7rK2lRQEe:oy48uR1h5FWqtpu2HQEe |
MALICIOUS
Application was dropped or rewritten from another process
- Dis (1).exe (PID: 2468)
- Dis (1).exe (PID: 3488)
- Server.exe (PID: 1560)
- Server.exe (PID: 2516)
- Dllhost.exe (PID: 3972)
Disables Windows Defender
- Dis (1).exe (PID: 3488)
NJRAT was detected
- Dllhost.exe (PID: 3972)
Connects to CnC server
- Dllhost.exe (PID: 3972)
Writes to a start menu file
- Dllhost.exe (PID: 3972)
Changes the autorun value in the registry
- Dllhost.exe (PID: 3972)
SUSPICIOUS
Creates files in the user directory
- powershell.exe (PID: 784)
- Server.exe (PID: 1560)
- Dllhost.exe (PID: 3972)
Executes PowerShell scripts
- Dis (1).exe (PID: 3488)
Executable content was dropped or overwritten
- Quasar_Hack.exe (PID: 2260)
- Server.exe (PID: 2516)
- Server.exe (PID: 1560)
- Dllhost.exe (PID: 3972)
Starts itself from another location
- Server.exe (PID: 1560)
INFO
No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (55.8) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21) |
| .scr | | | Windows screen saver (9.9) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:07:04 15:03:35+02:00 |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 16384 |
| InitializedDataSize: | 13824 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5e4e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | stub |
| FileVersion: | 1.0.0.0 |
| InternalName: | stub.exe |
| LegalCopyright: | Copyright © 2015 |
| OriginalFileName: | stub.exe |
| ProductName: | stub |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 04-Jul-2015 13:03:35 |
| Debug artifacts: |
|
| FileDescription: | stub |
| FileVersion: | 1.0.0.0 |
| InternalName: | stub.exe |
| LegalCopyright: | Copyright © 2015 |
| OriginalFilename: | stub.exe |
| ProductName: | stub |
| ProductVersion: | 1.0.0.0 |
| Assembly Version: | 1.0.0.0 |
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: | 0x00000080 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| Number of sections: | 4 |
| Time date stamp: | 04-Jul-2015 13:03:35 |
| 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 | 0x00002000 | 0x00003E54 | 0x00004000 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.69537 |
.sdata | 0x00006000 | 0x00000138 | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE | 1.96181 |
.rsrc | 0x00008000 | 0x000031C0 | 0x00003200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 3.57762 |
.reloc | 0x0000C000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0776332 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 5.00112 | 490 | UNKNOWN | UNKNOWN | RT_MANIFEST |
2 | 1.71396 | 744 | UNKNOWN | UNKNOWN | RT_ICON |
3 | 2.0843 | 296 | UNKNOWN | UNKNOWN | RT_ICON |
4 | 1.72071 | 2216 | UNKNOWN | UNKNOWN | RT_ICON |
5 | 1.04772 | 1384 | UNKNOWN | UNKNOWN | RT_ICON |
6 | 4.04524 | 851 | UNKNOWN | UNKNOWN | RT_ICON |
7 | 2.72257 | 4264 | UNKNOWN | UNKNOWN | RT_ICON |
8 | 2.76148 | 1128 | UNKNOWN | UNKNOWN | RT_ICON |
32512 | 2.68921 | 104 | UNKNOWN | UNKNOWN | RT_GROUP_ICON |
Imports
mscoree.dll |
Total processes
44
Monitored processes
7
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 2260 | "C:\Users\admin\AppData\Local\Temp\Quasar_Hack.exe" | C:\Users\admin\AppData\Local\Temp\Quasar_Hack.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Description: stub Exit code: 4294967295 Version: 1.0.0.0 | ||||
| 2516 | "C:\Users\admin\AppData\Local\Temp\Server.exe" | C:\Users\admin\AppData\Local\Temp\Server.exe | Quasar_Hack.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 2468 | "C:\Users\admin\AppData\Local\Temp\Dis (1).exe" | C:\Users\admin\AppData\Local\Temp\Dis (1).exe | — | Quasar_Hack.exe |
User: admin Integrity Level: MEDIUM Description: Disable-Windows-Defender Exit code: 3221226540 Version: 1.0.0.0 | ||||
| 1560 | "C:\Users\admin\AppData\Local\Temp\3582-490\Server.exe" | C:\Users\admin\AppData\Local\Temp\3582-490\Server.exe | Server.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 | ||||
| 3488 | "C:\Users\admin\AppData\Local\Temp\Dis (1).exe" | C:\Users\admin\AppData\Local\Temp\Dis (1).exe | Quasar_Hack.exe | |
User: admin Integrity Level: HIGH Description: Disable-Windows-Defender Exit code: 0 Version: 1.0.0.0 | ||||
| 784 | "powershell" Get-MpPreference -verbose | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | — | Dis (1).exe |
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) | ||||
| 3972 | "C:\Users\admin\AppData\Roaming\Dllhost.exe" | C:\Users\admin\AppData\Roaming\Dllhost.exe | Server.exe | |
User: admin Integrity Level: MEDIUM | ||||
Total events
1 435
Read events
1 256
Write events
0
Delete events
0
Modification events
Executable files
5
Suspicious files
3
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 784 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\P1CBADCP1AKN5VBHOBRC.temp | — | |
MD5:— | SHA256:— | |||
| 784 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms~RFf7054.TMP | binary | |
MD5:9513FB270E7972038EE17F3493D0A5D7 | SHA256:D50920EB996BF5E30355DCAAAF151A1FB0B5C85E7CF41C1EF67149FE6A7FD9B7 | |||
| 3972 | Dllhost.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe | executable | |
MD5:9EDE62D8AC4A4439EC601C84A72446AB | SHA256:8CCD6A2ADA2D1CA8C77903AEDAEF6767720054BFF966232D25D4A3E645284FA2 | |||
| 2260 | Quasar_Hack.exe | C:\Users\admin\AppData\Local\Temp\Dis (1).exe | executable | |
MD5:522556A77E8596A168AB99AA353616DF | SHA256:5DB651DE813F5A41AA580FD3CCC3C4B71DC22355220BF8587EE738A34C5F643B | |||
| 1560 | Server.exe | C:\Users\admin\AppData\Roaming\Dllhost.exe | executable | |
MD5:9EDE62D8AC4A4439EC601C84A72446AB | SHA256:8CCD6A2ADA2D1CA8C77903AEDAEF6767720054BFF966232D25D4A3E645284FA2 | |||
| 2516 | Server.exe | C:\Users\admin\AppData\Local\Temp\3582-490\Server.exe | executable | |
MD5:9EDE62D8AC4A4439EC601C84A72446AB | SHA256:8CCD6A2ADA2D1CA8C77903AEDAEF6767720054BFF966232D25D4A3E645284FA2 | |||
| 784 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms | binary | |
MD5:9513FB270E7972038EE17F3493D0A5D7 | SHA256:D50920EB996BF5E30355DCAAAF151A1FB0B5C85E7CF41C1EF67149FE6A7FD9B7 | |||
| 2516 | Server.exe | C:\Users\admin\AppData\Local\Temp\tmp5023.tmp | binary | |
MD5:86A3C341783605F8CFF4CC57F1A396D1 | SHA256:3E5C09F10B5E5A17DA77C217AE2784BB9C1CB50ABC87D6E82606D69A7D705898 | |||
| 2260 | Quasar_Hack.exe | C:\Users\admin\AppData\Local\Temp\Server.exe | executable | |
MD5:F2ED129339F6E8599D2A52A533A7A1A1 | SHA256:55144A15566CC8910A0F8624611B54E253226D246B1C17694FE96A1BBA13D08E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
4
DNS requests
4
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3972 | Dllhost.exe | 52.188.119.144:1604 | trojenimadamim.duckdns.org | Microsoft Corporation | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
trojenimadamim.duckdns.org |
| malicious |
dns.msftncsi.com |
| shared |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
3972 | Dllhost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT/Bladabindi |
3972 | Dllhost.exe | A Network Trojan was detected | MALWARE [PTsecurity] njRAT.Gen RAT outbound connection |
— | — | Misc activity | ET INFO DYNAMIC_DNS Query to *.duckdns. Domain |
10 ETPRO signatures available at the full report