MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f. 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


QuasarRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f
SHA3-384 hash: a2d3c361f19b574a7050808171e0cb26ddcea4cc99efa8e022cdc651c9c2f03b54329f4fe091e7f0fa3d2127fab7dbef
SHA1 hash: 41b913571466c22b7df350cb5c64c91ecf02c6ad
MD5 hash: 4c5ae2b72cee87eea5dd1a6f2679894a
humanhash: romeo-winter-carpet-sixteen
File name:ibUDFiLp.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2020-12-08 18:32:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'275 x SnakeKeylogger)
ssdeep 6144:KbqQ4i1FFiEK+JnlZIPkOn9bY856Vxa/vHs7Im2u:kpliYniq85Mo/vHO2u
Threatray 146 similar samples on MalwareBazaar
TLSH 01747C1377A4E53BD1FE573AE432061547B0D987BA17F38F9A5886B82C123868D907B3
Reporter pmelson
Tags:exe QuasarRAT VoidRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/107330/
Detection(s):
Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

Win.Packed.Passwordstealera-9792228-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
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
Unauthorized injection to a recently created process
Sending a TCP request to an infection source
Enabling autorun by creating a file
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:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/558346
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 328271 Sample: ibUDFiLp.exe Startdate: 08/12/2020 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 8 ibUDFiLp.exe 15 5 2->8         started        13 ibUDFiLp.exe 2 2->13         started        process3 dnsIp4 31 ip-api.com 208.95.112.1, 49712, 49714, 80 TUT-ASUS United States 8->31 27 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\...\ibUDFiLp.exe.log, ASCII 8->29 dropped 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->55 15 Client.exe 14 4 8->15         started        19 schtasks.exe 1 8->19         started        file5 signatures6 process7 dnsIp8 33 zezoro321-34240.portmap.host 193.161.193.99, 34240, 49715 BITREE-ASRU Russian Federation 15->33 35 192.168.2.1 unknown unknown 15->35 37 ip-api.com 15->37 39 Antivirus detection for dropped file 15->39 41 Machine Learning detection for dropped file 15->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->43 45 2 other signatures 15->45 21 schtasks.exe 1 15->21         started        23 conhost.exe 19->23         started        signatures9 process10 process11 25 conhost.exe 21->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f/
Threat name:
ByteCode-MSIL.Backdoor.QuasarRAT
Create hunting rule
Status:
Malicious
First seen:
2020-12-08 18:33:05 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6dulp57chssz7citw5ihyqqkxy7ydo75jcqlpbjr74uozn4ksfxq._file
Verdict:
malicious
Similar samples:
4a4378de27cd95ef7ab712064303f817e01f4630bce5f290ce3af15d55a43321
QuasarRAT
588eb55b57e118fbee66a6d0586de453ea4e0ae1a781c73e1bbe10e8e24641fc
QuasarRAT
5c711e224f09cfe6b651f58e3a075c54e7ad2d3a677cc71835bc37d8f21ad4b2
QuasarRAT
62fe31ebb2f722971f99d640a9ae310245ac1c4547a229917ddc916b79a8b154
QuasarRAT
749cf44e03a021f01f3604fd54781103ab897a69db71229f9319888be7a8bcd2
QuasarRAT
8d446a98b783427a524db452e5adb33b8f5e025f3c7720f022667f856762b2e4
QuasarRAT
a0f43d8dbeafd898f5711b63275b81c5169e640f90a87977c2ab391418d68f63
QuasarRAT
b23274e47a003476681da8925f2c15ff1c7ef988cabf76dbf1e5799a914a3ab1
QuasarRAT
baa8fed19ef5ee68817c2ee77807d7e002114eb7402d72023a25f6f9ceae7e11
QuasarRAT
dda13171f5b2a61dee9faee7daa78376c41e17dc27f8343575acd4aa0c6b0f16
QuasarRAT
+ 136 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan
Link:
https://tria.ge/reports/201208-y6wb4xfyss/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Unpacked files
SH256 hash:
f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f
MD5 hash:
4c5ae2b72cee87eea5dd1a6f2679894a
SHA1 hash:
41b913571466c22b7df350cb5c64c91ecf02c6ad
Link:
https://www.unpac.me/results/b5f98c3e-3d0d-47e5-b1d7-3c96f81236ca/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Quasar
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information

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

Web download

QuasarRAT

Executable exe f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f

(this sample)

  
Link
https://www.virustotal.com/gui/file/f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/107330/

Comments