MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a. 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: e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a
SHA3-384 hash: c62945e1d684f2c6e85e3644c4d42081f92e17f5bbeecd65616319378c31a30dde2a18929043d8ff48c09ffb8c916773
SHA1 hash: 0795880c670801587d68cecb1a3c2bf6195e2e9f
MD5 hash: 7d31523388e3b0b49c6dcee00a48f16a
humanhash: johnny-quebec-magnesium-quiet
File name:7d31523388e3b0b49c6dcee00a48f16a.exe
Download: download sample
Signature OrcusRAT
Create hunting rule
File size:1'048'576 bytes
First seen:2020-12-14 20:04:18 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 24576:I6w4MROxnFzay6rZlI0AilFEvxHit8vDH09:I6TMiX6rZlI0AilFEvxHi0
Threatray 33 similar samples on MalwareBazaar
TLSH 4925AE123A6DAD06D1BE2674E7331DC407BBFC0690B1F60A0556A1AF8DAB711BC1E397
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 :
1'573
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7d31523388e3b0b49c6dcee00a48f16a.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 20:10:32 UTC
Tags:
rat orcus
Link:
https://app.any.run/tasks/6e872d96-d1ac-41ca-91b6-88986efd2c4b

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/108043/
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
Sending a UDP 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
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/562637
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 dnsIp2 2 Behavior Graph ID: 330407 Sample: IWSqJ9PA4o.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 40 cdn.onenote.net 2->40 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 14 other signatures 2->54 8 IWSqJ9PA4o.exe 18 2->8         started        12 svchost.exe 1 2->12         started        15 svchost.exe 2->15         started        17 4 other processes 2->17 signatures3 process4 dnsIp5 32 C:\Program Files\Microsoft\svchost.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\...\-v15cxe5.cmdline, UTF-8 8->34 dropped 36 C:\Users\user\AppData\...\IWSqJ9PA4o.exe.log, ASCII 8->36 dropped 38 2 other malicious files 8->38 dropped 60 Drops PE files with benign system names 8->60 19 svchost.exe 1 2 8->19         started        23 csc.exe 3 8->23         started        44 192.168.2.1 unknown unknown 12->44 46 127.0.0.1 unknown unknown 15->46 file6 signatures7 process8 dnsIp9 42 104.248.32.109, 22998, 49736, 49738 DIGITALOCEAN-ASNUS United States 19->42 56 System process connects to network (likely due to code injection or exploit) 19->56 58 Installs a global keyboard hook 19->58 30 C:\Users\user\AppData\Local\...\-v15cxe5.dll, PE32 23->30 dropped 26 conhost.exe 23->26         started        28 cvtres.exe 1 23->28         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a/
Threat name:
ByteCode-MSIL.Trojan.Orcusrat
Create hunting rule
Status:
Malicious
First seen:
2020-12-14 06:09:08 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4gm3kldokp3edladlirly5mwhuzl7nyn7ofgjiwl67j67sobgwfa._file
Verdict:
malicious
Similar samples:
0a724325d6c34ee680d393db2ab074eb37c5c9c1cd5985e51382d275d97daa10
OrcusRAT
2060ac076d0fc563f875a2256d6fc88d0b5609df077e8313388b12f6221a3a75
OrcusRAT
4e963b9768467dcf18787fe4b197a1b9efe76a2108cdf0f73c6f81407c6dca95
OrcusRAT
53e4f5df0428b043d69593a2875bace25b99e5f2b9f7fc7630a4f8ef5b75251f
OrcusRAT
85b315f053164c0910b88178383f3271d8faef791d4cb35442f246c91bd80225
OrcusRAT
8a80a506f1a921b1af4b1b3fd6d37737622a3fd75e10efb44da9956b590cd185
OrcusRAT
966aa9010dcd3fdd35f00b995066013f1a686c4b8364cd5037b5eaed6f1140df
OrcusRAT
b52960b7ce7ae8c007c59626859816296471b7810036baaa7b7b86c2cd6d6218
OrcusRAT
b9657cd9005b01b162ce90306ba1b7c7c3df3551fba5f008efd780086f461e72
OrcusRAT
f7e7dfe0a2e59a746679694100b4549408a7e5513d3b1cf4bee0ba981f5e1703
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-ka1x4rptf2/
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:
e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a
MD5 hash:
7d31523388e3b0b49c6dcee00a48f16a
SHA1 hash:
0795880c670801587d68cecb1a3c2bf6195e2e9f
Link:
https://www.unpac.me/results/eb5581eb-5e61-4b13-8af1-33c3e8f3e34a/
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/e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a

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 e199b52c6e53f641ac035a22bc75963d32bfb70dfb8a64a2cbf7d3efc9c1358a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/108043/
  
URLhaus
https://urlhaus.abuse.ch/url/917417/
  
Delivery method
Distributed via web download

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