MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2. 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 10 File information Comments

SHA256 hash: 9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2
SHA3-384 hash: 72f4bfd769c56c1c48593cd0674128e2e67c03266e03305c29d21422c8a86b7382239e4acde27896f329790c76218e00
SHA1 hash: ef35307d8850052c45827d4873abd98d79906deb
MD5 hash: f1e4a04ced6ac22acfbe73b93cfa55a0
humanhash: indigo-floor-robert-december
File name:HEUR-Trojan-Spy.MSIL.Generic-9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2.exe
Download: download sample
Signature OrcusRAT
File size:929'792 bytes
First seen:2022-09-18 18:03:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:Wqd4MROxnFj30xXFHXRrZlI0AilFEvxHiln:WqqMi1sRhrZlI0AilFEvxHi
Threatray 231 similar samples on MalwareBazaar
TLSH T15815BF417FACBD06C1BF2678B7731ACA0B78E8066052FB4E185851AE1DAFB01BD15367
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 petikvx
Tags:OrcusRAT Ransomware

Intelligence


File Origin
# of uploads :
1
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
gae.exe
Verdict:
Malicious activity
Analysis date:
2022-08-09 16:43:44 UTC
Tags:
rat orcus trojan ransomware cerber

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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 explorer.exe keylogger orcus packed rat regedit.exe rundll32.exe setupapi.dll shell32.dll stealer
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.
Result
Threat name:
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
Contains functionality to disable the Task Manager (.Net Source)
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 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 Generic Downloader
Yara detected Orcus RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 705067 Sample: wj9NzS29TM.exe Startdate: 18/09/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus detection for dropped file 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 12 other signatures 2->58 8 wj9NzS29TM.exe 18 2->8         started        12 svchost.exe 3 2->12         started        14 svchost.exe 2 2->14         started        16 4 other processes 2->16 process3 file4 40 C:\Program Files\proxy\svchost.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\...\zwqjmk5b.cmdline, UTF-8 8->42 dropped 44 C:\Users\user\AppData\...\wj9NzS29TM.exe.log, ASCII 8->44 dropped 46 2 other malicious files 8->46 dropped 62 Drops PE files with benign system names 8->62 18 svchost.exe 1 5 8->18         started        23 csc.exe 3 8->23         started        signatures5 process6 dnsIp7 48 78.198.121.158, 5555 PROXADFR France 18->48 50 192.168.0.27, 5555 unknown unknown 18->50 34 C:\Users\user\AppData\Local\...\svchost32.exe, PE32 18->34 dropped 36 C:\Users\user\...\svchost32.exe.config, XML 18->36 dropped 60 System process connects to network (likely due to code injection or exploit) 18->60 25 svchost32.exe 2 18->25         started        38 C:\Users\user\AppData\Local\...\zwqjmk5b.dll, PE32 23->38 dropped 28 conhost.exe 23->28         started        30 cvtres.exe 1 23->30         started        file8 signatures9 process10 signatures11 64 Antivirus detection for dropped file 25->64 66 Multi AV Scanner detection for dropped file 25->66 68 Machine Learning detection for dropped file 25->68 32 svchost32.exe 25->32         started        process12
Threat name:
ByteCode-MSIL.Worm.Ainslot
Status:
Malicious
First seen:
2022-08-10 16:58:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
31 of 39 (79.49%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:orcus persistence rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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
Loads dropped DLL
Executes dropped EXE
Orcurs Rat Executable
Orcus
Orcus main payload
Malware Config
C2 Extraction:
78.198.121.158:5555
Unpacked files
SH256 hash:
9162035bdf58571f4addb781f7501a55337a2437c0022e0cb5cf9f0162bcf8f2
MD5 hash:
f1e4a04ced6ac22acfbe73b93cfa55a0
SHA1 hash:
ef35307d8850052c45827d4873abd98d79906deb
Detections:
win_orcus_rat_a0
Please note that we are no longer able to provide a coverage score for Virus Total.

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
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:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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