MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e
SHA3-384 hash: 27b6abd4c4eeec57bb5afad19e70ad670d876d9b4bfd089569ac1ed102cc41d0b3f2ad163682c3b988a055063805fd41
SHA1 hash: ac04d789d87b9c94b3782987fa679d4e62d23af2
MD5 hash: a49eb4efc88136e41ee08d7f48c7cb90
humanhash: kilo-idaho-queen-ohio
File name:Abboba.bin
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:929'280 bytes
First seen:2022-05-25 12:47:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:YfAVutoEzPRxyjqu7dG1lFlWcYT70pxnnaaoawQjKgRRACrZNrI0AilFEvxHvBMU:0fM4MROxnFOgHZrZlI0AilFEvxHi7qJ
Threatray 152 similar samples on MalwareBazaar
TLSH T17415BF013BACBD07C1BE3778B2731AC91BB8E9066052FB4E185861AD2D9FB01BD55367
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter KdssSupport
Tags:exe OrcusRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
489
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
Abboba.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 12:28:50 UTC
Tags:
rat orcus trojan
Link:
https://app.any.run/tasks/2b69a95e-2565-4409-b11a-b9541c82cc19

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/274508/
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
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe control.exe explorer.exe explorer.exe keylogger obfuscated orcus packed rat regedit.exe remote.exe rundll32.exe stealer
Link:
https://www.filescan.io/uploads/628e255f054dcf0ecaec9c72/reports/7f85d8cf-5c2f-48dc-9eb7-5287fed71984/overview
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/f37e08e4-af8b-439d-af53-41a115eef2db
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001558
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
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 634054 Sample: Abboba.bin Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 13 other signatures 2->52 7 Abboba.exe 18 2->7         started        10 Orcus.exe 2 2->10         started        12 Orcus.exe 2 2->12         started        14 Orcus.exe 3 2->14         started        process3 file4 36 C:\Program Files\Orcus\Orcus.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\...\Abboba.exe.log, ASCII 7->38 dropped 40 C:\...\Orcus.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Program Files\Orcus\Orcus.exe.config, XML 7->42 dropped 16 Orcus.exe 1 11 7->16         started        20 csc.exe 3 7->20         started        process5 dnsIp6 44 185.204.3.21, 10134, 49785 SUPERSERVERSDATACENTERRU Russian Federation 16->44 26 C:\Users\user\AppData\...\turbojpeg.dll, PE32+ 16->26 dropped 28 C:\Users\user\...\TurboJpegWrapper.dll, PE32 16->28 dropped 30 C:\Users\user\AppData\Roaming\...\SharpDX.dll, PE32 16->30 dropped 34 3 other files (none is malicious) 16->34 dropped 32 C:\Users\user\AppData\Local\...\bl5zsidj.dll, PE32 20->32 dropped 22 conhost.exe 20->22         started        24 cvtres.exe 1 20->24         started        file7 process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e/
Threat name:
ByteCode-MSIL.Worm.Ainslot
Create hunting rule
Status:
Malicious
First seen:
2022-05-25 10:35:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=h5lipmh64tg7qtekln3cz5ug22xdc5khapgv5czczixzz7exxqxa._file
Verdict:
malicious
Similar samples:
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
OrcusRAT
6b2bc89a82c41241a24f0a8c7972b563e30303bf7c277d767ac5766510e8f03e
OrcusRAT
8f7fa5a2284dd28fd3d9d2c6e0fe1f3407c778487227f26088f68503d7eef77f
OrcusRAT
be539522e3244b0134ead1d8f18727d6ce46cc6a97fd8d7b4961c02dae6b2b90
OrcusRAT
e137b49e941f89c91c7f2433047e818680b98a69e7f734f070bffa4c60bc1724
OrcusRAT
e877ee10428a6a81a83caaa9222466efbc4635a719613d63f813d8dc49baef8f
OrcusRAT
ebc80b40162ee240325f427a3f494e6299432b1684d414043249c6e30f7c7c82
OrcusRAT
+ 142 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Link:
https://tria.ge/reports/220525-pz63waaee7/
Behaviour
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
Drops desktop.ini file(s)
Checks computer location settings
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus Main Payload
Malware Config
C2 Extraction:
185.204.3.21:10134
Unpacked files
SH256 hash:
3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e
MD5 hash:
a49eb4efc88136e41ee08d7f48c7cb90
SHA1 hash:
ac04d789d87b9c94b3782987fa679d4e62d23af2
Link:
https://www.unpac.me/results/47dc1c8e-2d64-40b7-9c29-aa8b138c4996/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3f5687b0fee4/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/3f5687b0fee4cdf84c8a5b762cf686d6ae31754703cd5e8b22ca2f9cfc97bc2e

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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
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:MAL_Lokibot_Stealer
Create hunting rule
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
Create hunting rule
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/274508/

Comments