MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa
SHA3-384 hash: fe7deb78f211885662ab1977a4d9b6ed14851a7b4875cfe5223539e55c29b99b8e8fc7c2713443f637f22b2c8ec3385f
SHA1 hash: 9133c7c95c6639c85f5880d97bfa4187905735b7
MD5 hash: 8a1c6ab6aeeec522d4d2d483543cb6ad
humanhash: video-zulu-uniform-oven
File name:8a1c6ab6aeeec522d4d2d483543cb6ad
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'024'448 bytes
First seen:2023-08-25 22:52:44 UTC
Last seen:2023-08-25 23:35:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:gK2O5r4MM1BBE+qTSMBi9Rbpt/aaxJGC/0UhlHLomjqD:gK2O5rfMLByTSMBap9BxJG4zhlHU
Threatray 224 similar samples on MalwareBazaar
TLSH T1D39512EE7A695214F48F5EBFE23C27D993F4267B6192B342097121581D862C3F60ADC3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
304
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
8a1c6ab6aeeec522d4d2d483543cb6ad
Verdict:
Malicious activity
Analysis date:
2023-08-25 22:54:06 UTC
Tags:
rat quasar remote asyncrat
Link:
https://app.any.run/tasks/8c5122d2-13b6-4e7f-a225-3d93bfe060d1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/444804/
Detection(s):
SecuriteInfo.com.Trojan.Mardom.MN.11.7930.24236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm packed
Link:
https://www.filescan.io/uploads/64e930d07444d2eb09f19d8f/reports/f9489b70-4947-454c-b5c4-1f3d709d2be4/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
Link:
https://www.hybrid-analysis.com/sample/bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5eca95b8-8794-49cd-b82b-668cf89effa7
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1297670
Signature
.NET source code contains potential unpacker
Adds extensions / path to Windows Defender exclusion list
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1297670 Sample: ab9W41mBrV.exe Startdate: 26/08/2023 Architecture: WINDOWS Score: 100 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 10 other signatures 2->73 9 DataServicesWindows.exe 4 2->9         started        12 ab9W41mBrV.exe 1 6 2->12         started        15 DataServicesWindows.exe 2->15         started        process3 file4 81 Antivirus detection for dropped file 9->81 83 Multi AV Scanner detection for dropped file 9->83 85 Machine Learning detection for dropped file 9->85 17 cmd.exe 9->17         started        61 C:\Users\user\...\DataServicesWindows.exe, PE32 12->61 dropped 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->87 89 Writes to foreign memory regions 12->89 91 Adds extensions / path to Windows Defender exclusion list 12->91 93 Injects a PE file into a foreign processes 12->93 19 RegAsm.exe 15 2 12->19         started        23 cmd.exe 1 12->23         started        25 cmd.exe 15->25         started        signatures5 process6 dnsIp7 27 DataServicesWindows.exe 17->27         started        30 conhost.exe 17->30         started        63 193.142.146.212, 4782, 49720 HOSTSLICK-GERMANYNL Netherlands 19->63 65 ipwho.is 195.201.57.90, 443, 49722 HETZNER-ASDE Germany 19->65 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->75 77 Adds extensions / path to Windows Defender exclusion list 23->77 32 powershell.exe 21 23->32         started        34 conhost.exe 23->34         started        36 DataServicesWindows.exe 25->36         started        38 conhost.exe 25->38         started        signatures8 process9 signatures10 95 Writes to foreign memory regions 27->95 97 Adds extensions / path to Windows Defender exclusion list 27->97 99 Injects a PE file into a foreign processes 27->99 40 cmd.exe 27->40         started        43 RegAsm.exe 27->43         started        45 RegAsm.exe 27->45         started        47 conhost.exe 30->47         started        49 cmd.exe 36->49         started        51 RegAsm.exe 36->51         started        process11 signatures12 79 Adds extensions / path to Windows Defender exclusion list 40->79 53 conhost.exe 40->53         started        55 powershell.exe 40->55         started        57 conhost.exe 49->57         started        59 powershell.exe 49->59         started        process13
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa/
Threat name:
ByteCode-MSIL.Spyware.Raccoonstealer
Create hunting rule
Status:
Malicious
First seen:
2023-08-23 16:33:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xutvuh4x2fur4oknqhoualarvkuizshheppxu2vpk54r7jvgzx5a._file
Verdict:
malicious
Similar samples:
076cb1ac8e46bc1226a8bb42d83afac656d525cb7e6dc9a4d79475ab9b286440
QuasarRAT
28229a2ce2ed4265f4389b7228fb0065ef8656502ca833ef77fe2927a9f85fd8
QuasarRAT
36332d397a9c6303da243d4e155d5277dd148e5226389bd07543bc73b126c89b
QuasarRAT
3cea309d8b6b448883aafcf5f31119d212b71f4757e9b57c8315f1e5573e6fab
QuasarRAT
5e8fac6112512b2f2a726424c8acfe486043905a2b8efc0219be0c551a4a6cd6
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a338c03483149a3d571177520213e5772d99dac1c53cc026aa848b98c3faf631
QuasarRAT
a75311b45f6434a5af77bc068b9daf6d6800704fb768aaaeb960a2448a355f02
QuasarRAT
aa18400f1aa2fef6c2a5a50965981a3d668e052ce8ac851a8bd145cac1ee2ace
QuasarRAT
d8c9255982a5932dbaf224d475d2161d814de36784b797d576e41c263587e20a
QuasarRAT
e57f004cdd5d2da92e0429a1fdba612f17852781f389dc855c217341e28dc35b
QuasarRAT
+ 214 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:moveit persistence spyware trojan
Link:
https://tria.ge/reports/230825-2tykrsha3t/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
193.142.146.212:4782
Unpacked files
SH256 hash:
2b4f0ea89aef5e23af11dcc65ced883ecd76523564dc0289f8af0c64935e4520
MD5 hash:
c7d2ae97c419271e0aec4c3236b13596
SHA1 hash:
996724db12e076f0474874eda6c5eb3ca04e49b8
Link:
https://www.unpac.me/results/af881074-d127-4ce8-9f91-fbffc568bc6c/
SH256 hash:
048595f1563f956760a60e4e92efb83c3b0f429b2be066de79e7eb94a3e086bd
MD5 hash:
6704f60f0da4f68604536ec438cd6627
SHA1 hash:
80a4331fecb6ca32998e9211078fbf33d04c7115
Link:
https://www.unpac.me/results/af881074-d127-4ce8-9f91-fbffc568bc6c/
SH256 hash:
7e13bcd73232c3f33410aa95f61e1196a2f9ae35e05c1f9c8f251e07077a9dfb
MD5 hash:
69cef67ba83f06d399069102ea90a71d
SHA1 hash:
5196f43225c99b6675d4081b2521e07533490bfe
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/af881074-d127-4ce8-9f91-fbffc568bc6c/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/af881074-d127-4ce8-9f91-fbffc568bc6c/
SH256 hash:
bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa
MD5 hash:
8a1c6ab6aeeec522d4d2d483543cb6ad
SHA1 hash:
9133c7c95c6639c85f5880d97bfa4187905735b7
Link:
https://www.unpac.me/results/af881074-d127-4ce8-9f91-fbffc568bc6c/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bd275a1f97d1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

QuasarRAT

Executable exe bd275a1f97d1691e394d81dd402c11aaa88cc8e723df7a6aaf57791fa6a6cdfa

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2707277/
Cape
Cape
https://www.capesandbox.com/analysis/444804/

Comments


Avatar
zbet commented on 2023-08-25 22:52:45 UTC

url : hxxp://95.214.24.244/autotask/Eppzjtedzmk.exe