MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3ffef680021c116955e889822e935c55b05576f9a0f9bd1dde334c0ccbfca006. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
OrcusRAT
Vendor detections: 12
| SHA256 hash: | 3ffef680021c116955e889822e935c55b05576f9a0f9bd1dde334c0ccbfca006 |
|---|---|
| SHA3-384 hash: | f2bc3e8f11c3cf617e43ec4e17f446cfed5289902cce3a47b8a422783ba46f21f8307df23f4e2fb581074615e6fd7d11 |
| SHA1 hash: | c9d07a945765b3f90e0a970a748af631f22cf0e3 |
| MD5 hash: | a560665e36e1af3084e31055adc83808 |
| humanhash: | speaker-alanine-moon-eighteen |
| File name: | a560665e36e1af3084e31055adc83808.exe |
| Download: | download sample |
| Signature | OrcusRAT |
| File size: | 944'640 bytes |
| First seen: | 2021-09-15 10:35:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:B0M4MROxnFNFPurerrcI0AilFEvxHPlIoom:BuMieerrcI0AilFEvxHPl |
| Threatray | 83 similar samples on MalwareBazaar |
| TLSH | T18815BF013FECBD06C1BE3679B2732AC90BB8E90A6052FB4E096451AD1D9F741BD1536B |
| dhash icon | 389c8cdcdc8cc0e0 (1 x OrcusRAT) |
| Reporter |  abuse_ch |
| Tags: | exe OrcusRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 136.144.41.171:10134 | https://threatfox.abuse.ch/ioc/222107/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
857
Origin country :
n/a
Vendor Threat Intelligence
Detection:
OrcusRAT
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file in the system32 directory
Creating a process from a recently created file
Creating a service
Launching a service
Connection attempt
Setting a keyboard event handler
Creating a window
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun for a service
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
backnet keylogger obfuscated orcus packed rat
Malware family:
Orcus RAT
Verdict:
Malicious
Result
Threat name:
Orcus
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to disable the Task Manager (.Net Source)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Orcusrat
Status:
Malicious
First seen:
2021-09-13 03:13:41 UTC
AV detection:
23 of 26 (88.46%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 73 additional samples on MalwareBazaar
Result
Malware family:
orcus
Score:
10/10
Tags:
family:orcus
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Executes dropped EXE
Malware Config
C2 Extraction:
136.144.41.171:10134
Unpacked files
SH256 hash:
3ffef680021c116955e889822e935c55b05576f9a0f9bd1dde334c0ccbfca006
MD5 hash:
a560665e36e1af3084e31055adc83808
SHA1 hash:
c9d07a945765b3f90e0a970a748af631f22cf0e3
Malware family:
OrcusRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_EXE_Packed_Fody |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables manipulated with Fody |
| Rule name: | INDICATOR_SUSPICIOUS_GENInfoStealer |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing common artifcats observed in infostealers |
| Rule name: | MAL_BackNet_Nov18_1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects BackNet samples |
| Reference: | https://github.com/valsov/BackNet |
| Rule name: | MAL_BackNet_Nov18_1_RID2D6D |
|---|---|
| Author: | Florian Roth |
| Description: | Detects BackNet samples |
| Reference: | https://github.com/valsov/BackNet |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.