MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43e8e826167ff5bdc9c26638bea69a318ec956201c06727b0bb4516937874e0c. 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: 17
| SHA256 hash: | 43e8e826167ff5bdc9c26638bea69a318ec956201c06727b0bb4516937874e0c |
|---|---|
| SHA3-384 hash: | 8825e490dbc32e72e29d7ba90fe3e935b63cf9e46961a80b59f73dc27cca52abb42ae240f0fab269a3e036050752e70a |
| SHA1 hash: | 263707ff6e3966106661e6a7628c8b40a41a799a |
| MD5 hash: | b373982c595fc0a74e90045eea34f8bb |
| humanhash: | fillet-undress-carpet-lake |
| File name: | file.exe |
| Download: | download sample |
| Signature | OrcusRAT |
| File size: | 929'280 bytes |
| First seen: | 2023-05-29 02:13:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:oXBM21gsgPktzYX7dG1lFlWcYT70pxnnaaoawUjKgRRARrZNrI0AilFEvxHvBMQ5:DuQ4MROxnFSgHarZlI0AilFEvxHi2B |
| Threatray | 179 similar samples on MalwareBazaar |
| TLSH | T1EF15BF013FACBD06C1BE3778B6731AC91BB8E9066052FB4E085861AD2D9FB01BD55367 |
| TrID | 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.5% (.SCR) Windows screen saver (13097/50/3) 7.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  Chainskilabs |
| Tags: | exe OrcusRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
354
Origin country :
USVendor Threat Intelligence
Malware family:
orcus
ID:
1
File name:
rer.exe
Verdict:
Malicious activity
Analysis date:
2023-05-28 16:37:23 UTC
Tags:
rat orcus
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OrcusRAT
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a window
Unauthorized injection to a recently created process
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe explorer.exe infostealer keylogger lolbin orcus packed packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer stealer
Verdict:
Malicious
Labled as:
BKDR_ORCUSRAT.SM
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Orcus RAT
Verdict:
Malicious
Result
Threat name:
Orcus
Detection:
malicious
Classification:
troj.expl.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
Connects to many ports of the same IP (likely port scanning)
Contains functionality to disable the Task Manager (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
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
Sigma detected: Dot net compiler compiles file from suspicious location
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Status:
Malicious
First seen:
2023-05-29 02:14:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
31 of 37 (83.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 169 additional samples on MalwareBazaar
Result
Malware family:
orcus
Score:
10/10
Tags:
family:orcus rat spyware stealer
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops desktop.ini file(s)
Checks computer location settings
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
s7vety-47169.portmap.host:47169
Unpacked files
SH256 hash:
43e8e826167ff5bdc9c26638bea69a318ec956201c06727b0bb4516937874e0c
MD5 hash:
b373982c595fc0a74e90045eea34f8bb
SHA1 hash:
263707ff6e3966106661e6a7628c8b40a41a799a
Detections:
OrcusRAT
win_orcus_rat_a0
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: | 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: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | MAL_BackNet_Nov18_1 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| 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: | RAT_win_Orcus |
|---|---|
| Author: | KrknSec |
| Description: | Detects Orcus RAT |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat |
| 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.
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