MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703
SHA3-384 hash: d35051b649c1e8c24ea88c4d4524fc954b61b93009d33ca4d28f0e4b0b3b9a53fc0bc9c891e250e0f676b9131b007f69
SHA1 hash: 1e7c99d4973830218bfdb7ea10994e7ca71db436
MD5 hash: 577f4065b6663546c9212099af81f51f
humanhash: massachusetts-fifteen-william-cold
File name:577f4065b6663546c9212099af81f51f.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:948'224 bytes
First seen:2020-12-14 20:03:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:D6w4MROxnFzay6rZlI0AilFEvxHiVwJ/:D6TMiX6rZlI0AilFEvxHii
Threatray 33 similar samples on MalwareBazaar
TLSH F315BF013FADBD06C1BE3678B6731AC90B78ED066092FB4E085851AD1DAFB01BD553A7
Reporter abuse_ch
Tags:exe OrcusRAT RAT


Avatar
abuse_ch
OrcusRAT C2:
104.248.32.109:22998

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'550
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
577f4065b6663546c9212099af81f51f.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 20:05:21 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/ccd61ee7-9611-441d-be2a-ee49163e3ba3

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/108042/
Detection(s):
Win.Packed.Passwordstealera-9803747-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
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
Setting a keyboard event handler
Creating a window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Orcus
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562619
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
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
Multi AV Scanner detection for submitted file
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Suspicious Csc.exe Source File Folder
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
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 signatures2 2 Behavior Graph ID: 330398 Sample: H5T5IKVyFj.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for dropped file 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 14 other signatures 2->48 7 H5T5IKVyFj.exe 18 2->7         started        11 svchost.exe 3 2->11         started        13 svchost.exe 2 2->13         started        15 3 other processes 2->15 process3 file4 30 C:\Program Files\Windows 86\svchost.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\...\8bhnadgc.cmdline, UTF-8 7->32 dropped 34 C:\Users\user\AppData\...\H5T5IKVyFj.exe.log, ASCII 7->34 dropped 36 2 other malicious files 7->36 dropped 54 Drops PE files with benign system names 7->54 17 svchost.exe 1 2 7->17         started        21 csc.exe 3 7->21         started        signatures5 process6 dnsIp7 38 104.248.32.109, 22998, 49746 DIGITALOCEAN-ASNUS United States 17->38 40 192.168.2.1 unknown unknown 17->40 50 System process connects to network (likely due to code injection or exploit) 17->50 52 Installs a global keyboard hook 17->52 28 C:\Users\user\AppData\Local\...\8bhnadgc.dll, PE32 21->28 dropped 24 conhost.exe 21->24         started        26 cvtres.exe 1 21->26         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703/
Threat name:
ByteCode-MSIL.Trojan.Orcusrat
Create hunting rule
Status:
Malicious
First seen:
2020-12-13 05:04:04 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=67t57yfc4wnhiztznfaqbncusqekpzkrhu5rz5f64c5jqh26c4bq._file
Verdict:
malicious
Similar samples:
05bb212dd186eaa7c2fa17ad094fd56f55fa203f488f1e150532aa23c86c9bf8
OrcusRAT
2060ac076d0fc563f875a2256d6fc88d0b5609df077e8313388b12f6221a3a75
OrcusRAT
30f878c3d1b2e365f13e2085d39e3c9289dadf191c47dd1abcb273b5fac081b3
OrcusRAT
4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
OrcusRAT
74d6d0213855d53e4edad91ee620009558a9df2f6f925be9e81ba54df4b3b11d
OrcusRAT
85b315f053164c0910b88178383f3271d8faef791d4cb35442f246c91bd80225
OrcusRAT
8a80a506f1a921b1af4b1b3fd6d37737622a3fd75e10efb44da9956b590cd185
OrcusRAT
966aa9010dcd3fdd35f00b995066013f1a686c4b8364cd5037b5eaed6f1140df
OrcusRAT
9efca9fb9aadcdec3f3e23fda67899c67dda0d7178636a5691e15d6b62e01649
OrcusRAT
b9657cd9005b01b162ce90306ba1b7c7c3df3551fba5f008efd780086f461e72
OrcusRAT
+ 23 additional samples on MalwareBazaar
Result
Malware family:
orcus
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:orcus keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/201214-ykdzdsetz6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Adds Run key to start application
JavaScript code in executable
Drops desktop.ini file(s)
Executes dropped EXE
AgentTesla Payload
AgentTesla
Orcus
Orcus Main Payload
Unpacked files
SH256 hash:
f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703
MD5 hash:
577f4065b6663546c9212099af81f51f
SHA1 hash:
1e7c99d4973830218bfdb7ea10994e7ca71db436
Link:
https://www.unpac.me/results/f1574a2a-7e06-4d28-b253-a3bf2eaff63c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

File information

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

Web download

OrcusRAT

Executable exe f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/917415/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108042/

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