MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1. 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


Intelligence 17 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1
SHA3-384 hash: 88c356f37a85ffbcf24485f2a7a54d799a717fb630aa65f1328d143acc5aa461a1037ee4915d573239d05aa0f1f70b60
SHA1 hash: 3b9f6df7ba588a85dc71276a814ad21a8aa3801f
MD5 hash: 5c960cf771c6c72a643210898cf655b0
humanhash: orange-neptune-jig-kilo
File name:file.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'032'704 bytes
First seen:2023-06-20 01:03:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:lYE4MROxnFl/iSrZlI0AilFEvxHiKGk3Bd3X3K:lY3MibKSrZlI0AilFEvxHi2BdH3
Threatray 189 similar samples on MalwareBazaar
TLSH T19725CF013FACBD07C1BE2A78B7731AC91778E9066052FB4E185861AD1DEBB01BD16367
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b3b333737193b3b2 (6 x SnakeKeylogger, 3 x Loki, 2 x Formbook)
Reporter Chainskilabs
Tags:exe OrcusRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
US US
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
Eulen1.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 13:21:23 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/b84c4e92-8dc9-46ff-adfe-cb85360811b7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
OrcusRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400708/
Detection(s):
Win.Packed.Generic-9805849-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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 directory
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe explorer.exe infostealer keylogger lolbin lolbin orcus packed packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer stealer
Link:
https://www.filescan.io/uploads/6490fb023067ea15b6566b78/reports/7326a67d-d9a0-4cfb-b5d7-908f743ebba8/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d32254e5-c06f-429f-b54c-b28d53019f4b
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257844
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
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
Sigma detected: Dot net compiler compiles file from suspicious location
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890864 Sample: file.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for dropped file 2->33 35 11 other signatures 2->35 7 file.exe 4 17 2->7         started        10 OpenWith.exe 16 5 2->10         started        process3 file4 19 C:\Program Files\System32, PE32 7->19 dropped 21 C:\Users\user\AppData\...\3m-2hv4c.cmdline, Unicode 7->21 dropped 23 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->23 dropped 25 2 other malicious files 7->25 dropped 12 csc.exe 3 7->12         started        process5 file6 27 C:\Users\user\AppData\Local\...\3m-2hv4c.dll, PE32 12->27 dropped 15 conhost.exe 12->15         started        17 cvtres.exe 1 12->17         started        process7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2023-06-20 01:04:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=raxtd45mul2twsabndrccb6pwif5fp66dy7iu6g75t5dmnu763iq._file
Verdict:
malicious
Similar samples:
13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658
OrcusRAT
37dca6fead2c458e48bb710355fc277cc4ec0c9566c6db7fc84f65f2f3b006d3
OrcusRAT
43e8e826167ff5bdc9c26638bea69a318ec956201c06727b0bb4516937874e0c
OrcusRAT
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
OrcusRAT
7cc49809dc4bb7e531f1f5c489f8f8c3ac7d79ce9621aa8fcf09d319e16a71ca
OrcusRAT
9f2151b2fd626d5139a7a292b4faffdedcc45346953b0ce71fa281615e6f350a
OrcusRAT
c6939bc875f81b901808a9ec37c55f1254f068cee9580fc84c2c8975c24d021b
OrcusRAT
e137b49e941f89c91c7f2433047e818680b98a69e7f734f070bffa4c60bc1724
OrcusRAT
+ 179 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus rat spyware stealer
Link:
https://tria.ge/reports/230620-bexrtahb96/
Behaviour
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops desktop.ini file(s)
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
0.tcp.ngrok.io:12456
Unpacked files
SH256 hash:
882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1
MD5 hash:
5c960cf771c6c72a643210898cf655b0
SHA1 hash:
3b9f6df7ba588a85dc71276a814ad21a8aa3801f
Detections:
OrcusRAT
Create hunting rule
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/972645f0-c6d5-4302-af5f-59887377b53a/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/882f31f3aca2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/882f31f3aca2f53b480168e22107cfb20bd2bfde1e3e8a78dfecfa36369ff6d1

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
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:pe_imphash
Create hunting rule
Rule name:RAT_win_Orcus
Create hunting rule
Author:KrknSec
Description:Detects Orcus RAT
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.orcus_rat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/400708/

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