MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
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SHA256 hash: e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f
SHA3-384 hash: 9c1c5f8b45c85b5fb887c34cd6720be888268a547d3768d1866f3657ef9904274dc46df83fbc2426f62554acaa46c9ee
SHA1 hash: 21c6fe977ffe351442dde5a67302d934448c2798
MD5 hash: 1557a74487c9a87068200ed57aa4f41c
humanhash: missouri-earth-hamper-twelve
File name:Kogtervan.exe.vir
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'241'088 bytes
First seen:2022-06-18 12:02:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d59a4a699610169663a929d37c90be43 (75 x DCRat, 22 x njrat, 15 x SalatStealer)
ssdeep 24576:/IY4MROxnFrrrcI0AilFEvxHPiooPJACH6FIc:/aMi9rrcI0AilFEvxHPy2I65
Threatray 466 similar samples on MalwareBazaar
TLSH T16545AD003BECAE06D1FE67B9E27316C547B5F826A46AFB4E086460ED1C6B740BD11367
TrID 26.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
24.5% (.SCR) Windows screen saver (13101/52/3)
19.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
Reporter KdssSupport
Tags:exe OrcusRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
orcus
Create hunting rule
ID:
1
File name:
Kogtervan.exe
Verdict:
Malicious activity
Analysis date:
2022-06-18 10:44:32 UTC
Tags:
rat orcus trojan stealer
Link:
https://app.any.run/tasks/f559fe2c-1cbb-497e-8c1f-9e4dc7e1ade4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/281147/
Detection(s):
Win.Packed.Passwordstealera-9752380-0
Create hunting rule

Win.Packed.Generic-9805849-0
Create hunting rule

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

Win.Packed.Datastealer-9856291-0
Create hunting rule

Win.Ransomware.Stupid-9871677-0
Create hunting rule

Win.Packed.Generic-9884627-0
Create hunting rule

Win.Packed.AsyncRAT-9938103-1
Create hunting rule

Win.Trojan.Injector-6297685-1
Create hunting rule

Win.Trojan.Agent-345883
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Reading critical registry keys
Creating a file
DNS request
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Creating a service
Launching a service
Searching for synchronization primitives
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Unauthorized injection to a recently created process
Stealing user critical data
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/21844/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm backnet cmd.exe explorer.exe keylogger orcus packed packed rat shell32.dll stealer
Link:
https://www.filescan.io/uploads/62adbf147046ab63f87b2d0c/reports/936bf0a4-0812-4121-8f4d-66c157b06856/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/6cae6f58-1001-4a63-aa37-ff4c65bc4353
Result
Threat name:
44Caliber Stealer, Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1015646
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops executables to the windows directory (C:\Windows) and starts them
Found many strings related to Crypto-Wallets (likely being stolen)
Installs a global keyboard hook
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
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected 44Caliber Stealer
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: 648139 Sample: Kogtervan.exe.vir Startdate: 18/06/2022 Architecture: WINDOWS Score: 100 63 Snort IDS alert for network traffic 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Antivirus detection for dropped file 2->67 69 8 other signatures 2->69 7 Kogtervan.exe.exe 3 2->7         started        10 WindowsInput.exe 2 2->10         started        12 Update.exe 2->12         started        14 6 other processes 2->14 process3 file4 37 C:\Users\user\AppData\Local\Temp\Soft.exe, PE32 7->37 dropped 39 C:\Users\user\AppData\Local\...\Insidious.exe, PE32 7->39 dropped 16 Soft.exe 9 7->16         started        20 Insidious.exe 14 32 7->20         started        process5 dnsIp6 29 C:\Windows\SysWOW64\WindowsInput.exe, PE32 16->29 dropped 31 C:\Program Files (x86)\System\Update.exe, PE32 16->31 dropped 33 C:\Windows\SysWOW64\WindowsInput.exe.config, XML 16->33 dropped 35 C:\Program Files (x86)\...\Update.exe.config, XML 16->35 dropped 49 Antivirus detection for dropped file 16->49 51 Machine Learning detection for dropped file 16->51 53 Drops executables to the windows directory (C:\Windows) and starts them 16->53 23 WindowsInput.exe 2 4 16->23         started        26 Update.exe 1 2 16->26         started        41 freegeoip.app 188.114.97.3, 443, 49769 CLOUDFLARENETUS European Union 20->41 43 ipbase.com 99.83.231.61, 443, 49771 AMAZON-02US United States 20->43 45 192.168.2.1 unknown unknown 20->45 55 Multi AV Scanner detection for dropped file 20->55 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->57 59 Tries to harvest and steal browser information (history, passwords, etc) 20->59 61 Tries to steal Crypto Currency Wallets 20->61 file7 signatures8 process9 dnsIp10 71 Antivirus detection for dropped file 23->71 73 Multi AV Scanner detection for dropped file 23->73 75 Machine Learning detection for dropped file 23->75 47 212.220.202.104, 1604, 49772, 49797 ROSTELECOM-ASRU Russian Federation 26->47 77 Protects its processes via BreakOnTermination flag 26->77 79 Installs a global keyboard hook 26->79 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f/
Threat name:
Win32.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-06-18 12:03:13 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4zznophqd6aj4ft4hnbgbhlow4m24gdtcpyihzhazzjc23tnr47q._file
Verdict:
malicious
Similar samples:
50c1c541f9daea24b578ac94fd709b1214207a38cbc2ba3b36b2b0e81d0e4ee1
OrcusRAT
56eb3543f20a9a454e6ffeddd38cfed075a23bc1a99e66cfd71c3eb6111182aa
OrcusRAT
6a95a31549b0ce73fc61664173ebab87da541094d8749894f05c707e543cbe1e
OrcusRAT
6b2bc89a82c41241a24f0a8c7972b563e30303bf7c277d767ac5766510e8f03e
OrcusRAT
e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f
OrcusRAT
e877ee10428a6a81a83caaa9222466efbc4635a719613d63f813d8dc49baef8f
OrcusRAT
ebc80b40162ee240325f427a3f494e6299432b1684d414043249c6e30f7c7c82
OrcusRAT
+ 456 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:44caliber family:orcus botnet:user persistence rat spyware stealer
Link:
https://tria.ge/reports/220618-n71qdsbcb2/
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Orcurs Rat Executable
44Caliber
Orcus
Orcus Main Payload
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/921092565279850547/hht9p6Dov5UjlDv5Ho0zPIWCWLDfItsjCjCzkyreb1p0x6_xjYrced5Y9xHEMY-_qP8i
212.220.202.104:1604
Unpacked files
SH256 hash:
e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f
MD5 hash:
1557a74487c9a87068200ed57aa4f41c
SHA1 hash:
21c6fe977ffe351442dde5a67302d934448c2798
Detections:
win_orcus_rat_a0
Create hunting rule
Link:
https://www.unpac.me/results/f162b7d9-09a6-4c73-809e-94f7a0cfd20b/
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/e672d73cf01f809e167c3b42609d6eb719ae187313f083e4e0ce522d6e6d8f3f

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:BlackGuard_Rule
Create hunting rule
Author:Jiho Kim
Description:Yara rule for BlackGuarad Stealer v1.0 - v3.0
Reference:https://www.virustotal.com/gui/file/67843d45ba538eca29c63c3259d697f7e2ba84a3da941295b9207cdb01c85b71/detection
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_Discord_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Discord tokens regular expressions
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_VPN
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many VPN software clients. Observed in infosteslers
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:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_GloomaneStealer
Create hunting rule
Author:ditekSHen
Description:Detects GloomaneStealer
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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Redline_Stealer_Monitor
Create hunting rule
Description:Detects RedLine Stealer Variants

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/281147/

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