MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658
SHA3-384 hash: 10a7259ceedcc3e64ac2164ee918bf7dd5e31b9492d952122e6474c8601a93f5f17fef56df67a3f3891d70cb7985a9e0
SHA1 hash: cfefb479ea0a54d05d4ca4fb35acb139a4a7c7cb
MD5 hash: 28869ee372fe182909cda192fe15f6aa
humanhash: saturn-delaware-minnesota-july
File name:DC-nuker.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:3'291'135 bytes
First seen:2023-04-06 01:32:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:A3s4MROxnFj3G73MJJXRrZlI0AilFEvxHi7SL:A3/Mi1kOhrZlI0AilFEvxHi
Threatray 171 similar samples on MalwareBazaar
TLSH T1B7E5BF417FBCBD06C1BF2678A3731ACA07B8E9066052FB4E095851AE1DAFB01BD15367
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 :
304
Origin country :
US US
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
DC-nuker.exe
Verdict:
Malicious activity
Analysis date:
2023-04-05 19:10:43 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/a9f947fc-7c18-4995-ba83-27489ee76cec

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/380491/
Detection(s):
Win.Packed.Generic-9805849-0
Create hunting rule

Win.Malware.Wacatac-9835217-0
Create hunting rule

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 Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file
Creating a window
Creating a file in the %AppData% directory
DNS request
Sending a custom TCP request
Forced system process termination
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
50%
Tags:
anti-debug anti-vm cmd.exe explorer.exe infostealer keylogger orcus overlay packed packed rat regedit.exe rundll32.exe stealer stealer
Link:
https://www.filescan.io/uploads/642e2150497fb6f23efda7a9/reports/e82f78af-c768-4f06-b6b2-5f4009650c67/overview
Verdict:
Malicious
Labled as:
BKDR_ORCUSRAT.SM
Link:
https://www.hybrid-analysis.com/sample/13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658
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/92fc6271-8e5f-402a-88ae-9dad7bac9774
Result
Threat name:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209348
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)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
System process connects to network (likely due to code injection or exploit)
Yara detected Costura Assembly Loader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 842262 Sample: DC-nuker.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 53 0.tcp.eu.ngrok.io 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 10 other signatures 2->61 9 DC-nuker.exe 17 2->9         started        13 svchost.exe 3 2->13         started        15 svchost.exe 2 2->15         started        signatures3 process4 file5 39 C:\Windows\addins\svchost.exe, PE32 9->39 dropped 41 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 9->41 dropped 43 C:\Windows\addins\svchost.exe.config, XML 9->43 dropped 45 2 other malicious files 9->45 dropped 77 Drops executables to the windows directory (C:\Windows) and starts them 9->77 79 Drops PE files with benign system names 9->79 17 svchost.exe 5 9->17         started        22 csc.exe 3 9->22         started        signatures6 process7 dnsIp8 47 18.158.249.75, 16482, 49697, 49711 AMAZON-02US United States 17->47 49 18.192.31.165, 16482, 49745, 49751 AMAZON-02US United States 17->49 51 4 other IPs or domains 17->51 33 C:\Users\user\AppData\...\Defender32.exe, PE32 17->33 dropped 35 C:\Users\user\...\Defender32.exe.config, XML 17->35 dropped 63 Antivirus detection for dropped file 17->63 65 System process connects to network (likely due to code injection or exploit) 17->65 67 Multi AV Scanner detection for dropped file 17->67 69 Machine Learning detection for dropped file 17->69 24 Defender32.exe 2 17->24         started        37 C:\Users\user\AppData\Local\...\dzq6ccpv.dll, PE32 22->37 dropped 27 conhost.exe 22->27         started        29 cvtres.exe 1 22->29         started        file9 signatures10 process11 signatures12 71 Antivirus detection for dropped file 24->71 73 Multi AV Scanner detection for dropped file 24->73 75 Machine Learning detection for dropped file 24->75 31 Defender32.exe 24->31         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658/
Threat name:
ByteCode-MSIL.Trojan.Sorcurat
Create hunting rule
Status:
Malicious
First seen:
2023-04-06 01:33:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=coxabr6tylmhh36ak7onanzyjlmm63vnj7hy6ueewqywsrunszma._file
Verdict:
malicious
Similar samples:
53ae916a34b6c3efcc82000236ebb36bb175584319211f1f6c2f612f2b0b4472
OrcusRAT
78b898d8c0c3d4f01b36507c63d69892574c6c5a9e002a957721cdd703d31796
OrcusRAT
85b315f053164c0910b88178383f3271d8faef791d4cb35442f246c91bd80225
OrcusRAT
8f7fa5a2284dd28fd3d9d2c6e0fe1f3407c778487227f26088f68503d7eef77f
OrcusRAT
9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2
OrcusRAT
b4d825f30a5eca160477549e98355ae8c6c54ecc3f0cd89e1a9936760f374ce4
OrcusRAT
e467fbf52c4dc6e1b5cd1fa9a60dd230672581884b05381378a0a953d81f533b
OrcusRAT
e7b94b42550145f6653edad5a47879f3bad1abe865f065d7036ca942c572e842
OrcusRAT
f95e19a66cb1e3a612f2c07380376196e856dfefbe1038c4e6fd7d6a03388b5d
OrcusRAT
+ 161 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/230406-byjdjaaf62/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Windows directory
Drops desktop.ini file(s)
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:16482
Unpacked files
SH256 hash:
13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658
MD5 hash:
28869ee372fe182909cda192fe15f6aa
SHA1 hash:
cfefb479ea0a54d05d4ca4fb35acb139a4a7c7cb
Detections:
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/ae6598da-d3fb-452e-8fe8-a1d11b9dd55f/
Malware family:
OrcusRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/13ae00c7d3c2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/13ae00c7d3c2d873efc057dcd037384ad8cf6ead4fcf8f5084b43169468d9658

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: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.

anyrun
any.run
https://app.any.run/tasks/a9f947fc-7c18-4995-ba83-27489ee76cec/#
Cape
Cape
https://www.capesandbox.com/analysis/380491/

Comments