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| download: | nanoz.exe |
| Full analysis: | https://app.any.run/tasks/d46d943b-9821-4ad5-94ca-2170884dfbb8 |
| Verdict: | Malicious activity |
| Threats: | Orcus is a modular Remote Access Trojan with some unusual functions. This RAT enables attackers to create plugins using a custom development library and offers a robust core feature set that makes it one of the most dangerous malicious programs in its class. |
| Analysis date: | November 29, 2020, 20:13:15 |
| 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: | D14DD5EDEAB7B7A93D62AC5CC25185A4 |
| SHA1: | 63F9489021393EAF1BA919E33AAB1FEE91749F08 |
| SHA256: | 53E546513B804A4E6AAB97714E2AEEF686D98A920E259F39FA068F516A276D92 |
| SSDEEP: | 24576:eVj4MROxnFl3FzUrrcI0AilFEvxHPfoof:eyMirqrrcI0AilFEvxHP |
MALICIOUS
ORCUS was detected
- nanoz.exe (PID: 884)
- nanoz.exe (PID: 1788)
- Orcus.exe (PID: 1492)
- OrcusWatchdog.exe (PID: 1372)
- Orcus.exe (PID: 2872)
Drops executable file immediately after starts
- Orcus.exe (PID: 1492)
Loads the Task Scheduler COM API
- Orcus.exe (PID: 1492)
Application was dropped or rewritten from another process
- OrcusWatchdog.exe (PID: 1372)
- OrcusWatchdog.exe (PID: 2296)
SUSPICIOUS
Creates a directory in Program Files
- nanoz.exe (PID: 1788)
Executable content was dropped or overwritten
- nanoz.exe (PID: 1788)
- Orcus.exe (PID: 1492)
Drops a file with a compile date too recent
- nanoz.exe (PID: 1788)
Creates files in the program directory
- nanoz.exe (PID: 1788)
Creates files in the user directory
- nanoz.exe (PID: 884)
- Orcus.exe (PID: 1492)
Starts itself from another location
- nanoz.exe (PID: 1788)
Application launched itself
- nanoz.exe (PID: 884)
- OrcusWatchdog.exe (PID: 1372)
Drops a file that was compiled in debug mode
- Orcus.exe (PID: 1492)
Executed via Task Scheduler
- Orcus.exe (PID: 2872)
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.) (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) |
EXIF
EXE
| AssemblyVersion: | 1.0.0.0 |
|---|---|
| ProductVersion: | 1.0.0.0 |
| ProductName: | - |
| OriginalFileName: | Orcus.exe |
| LegalTrademarks: | - |
| LegalCopyright: | - |
| InternalName: | Orcus.exe |
| FileVersion: | 1.0.0.0 |
| FileDescription: | - |
| CompanyName: | - |
| Comments: | - |
| CharacterSet: | Unicode |
| LanguageCode: | Neutral |
| FileSubtype: | - |
| ObjectFileType: | Executable application |
| FileOS: | Win32 |
| FileFlags: | (none) |
| FileFlagsMask: | 0x003f |
| ProductVersionNumber: | 1.0.0.0 |
| FileVersionNumber: | 1.0.0.0 |
| Subsystem: | Windows GUI |
| SubsystemVersion: | 4 |
| ImageVersion: | - |
| OSVersion: | 4 |
| EntryPoint: | 0xe484e |
| UninitializedDataSize: | - |
| InitializedDataSize: | 4608 |
| CodeSize: | 928256 |
| LinkerVersion: | 8 |
| PEType: | PE32 |
| TimeStamp: | 2020:11:29 18:11:34+01:00 |
| MachineType: | Intel 386 or later, and compatibles |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 29-Nov-2020 17:11:34 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Orcus.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Orcus.exe |
| ProductName: | - |
| 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: | 3 |
| Time date stamp: | 29-Nov-2020 17:11:34 |
| 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 | 0x000E2854 | 0x000E2A00 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 7.15769 |
.rsrc | 0x000E6000 | 0x00001000 | 0x00001000 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.99406 |
.reloc | 0x000E8000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 4.99793 | 3128 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
42
Monitored processes
6
Malicious processes
5
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process |
|---|---|---|---|---|
| 884 | "C:\Users\admin\AppData\Local\Temp\nanoz.exe" | C:\Users\admin\AppData\Local\Temp\nanoz.exe | explorer.exe | |
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.0.0 | ||||
| 1788 | "C:\Users\admin\AppData\Local\Temp\nanoz.exe" /wait | C:\Users\admin\AppData\Local\Temp\nanoz.exe | nanoz.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
| 1492 | "C:\Program Files\Orcus\Orcus.exe" | C:\Program Files\Orcus\Orcus.exe | nanoz.exe | |
User: admin Integrity Level: HIGH Version: 1.0.0.0 | ||||
| 2872 | "C:\Program Files\Orcus\Orcus.exe" | C:\Program Files\Orcus\Orcus.exe | taskeng.exe | |
User: admin Integrity Level: HIGH Exit code: 0 Version: 1.0.0.0 | ||||
| 1372 | "C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe" /launchSelfAndExit "C:\Program Files\Orcus\Orcus.exe" 1492 /protectFile | C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe | Orcus.exe | |
User: admin Integrity Level: HIGH Exit code: 2296 Version: 1.0.0.0 | ||||
| 2296 | "C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe" /watchProcess "C:\Program Files\Orcus\Orcus.exe" 1492 "/protectFile" | C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe | — | OrcusWatchdog.exe |
User: admin Integrity Level: HIGH Version: 1.0.0.0 | ||||
Total events
1 149
Read events
1 133
Write events
0
Delete events
0
Modification events
Executable files
2
Suspicious files
0
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1788 | nanoz.exe | C:\Program Files\Orcus\Orcus.exe | executable | |
MD5:D14DD5EDEAB7B7A93D62AC5CC25185A4 | SHA256:53E546513B804A4E6AAB97714E2AEEF686D98A920E259F39FA068F516A276D92 | |||
| 884 | nanoz.exe | C:\Users\admin\AppData\Roaming\.orcusInstallation | text | |
MD5:4DB8E947553C9D142DAEC515148833F3 | SHA256:81ACF262B95AF6E60B28D2D36FBCE19D052029CA92F0C510A6CAD3D2DF5106B1 | |||
| 1788 | nanoz.exe | C:\Program Files\Orcus\Orcus.exe.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 | |||
| 1492 | Orcus.exe | C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe | executable | |
MD5:913967B216326E36A08010FB70F9DBA3 | SHA256:8D880758549220154D2FF4EE578F2B49527C5FB76A07D55237B61E30BCC09E3A | |||
| 1492 | Orcus.exe | C:\Users\admin\AppData\Roaming\OrcusWatchdog.exe.config | xml | |
MD5:A2B76CEA3A59FA9AF5EA21FF68139C98 | SHA256:F99EF5BF79A7C43701877F0BB0B890591885BB0A3D605762647CC8FFBF10C839 | |||
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HTTP(S) requests
0
TCP/UDP connections
0
DNS requests
0
Threats
0
HTTP requests
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