MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cafd713f9327f8663d8199d1ba4669f5bee4b1315d89ba9ed12311e819a84bb7. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cafd713f9327f8663d8199d1ba4669f5bee4b1315d89ba9ed12311e819a84bb7
SHA3-384 hash: b109406843f1c0cbbc488550ef6110f4c382206f3d8bbbf39b0f9357a86b9877e596b5b62d79d15a0336388c5567a21a
SHA1 hash: 075bcc8f85ff9ad4af28131cc21f1b5cf1387dfe
MD5 hash: a23b1875e919790e571aed2e249b515f
humanhash: georgia-mountain-colorado-fish
File name:a23b1875e919790e571aed2e249b515f.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:24'576 bytes
First seen:2022-11-18 22:34:42 UTC
Last seen:2022-11-19 00:51:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:ogXbVeZ3f1VRzzMOK9UnPlh9RbD18esEjrikfLH+qyxQj7QU+qjyFICOOE20BVTq:HEbr7DPtUeVj+eLHM27QU+ayhEpTq
Threatray 16'674 similar samples on MalwareBazaar
TLSH T1A5B2B035B7A6063AD9834FB449DB93C01B7DB70B7912E6AF9FC081A824124798951BF3
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4d4d8e0f8c272b23 (5 x AgentTesla, 1 x Formbook, 1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
a23b1875e919790e571aed2e249b515f.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 22:36:07 UTC
Tags:
evasion trojan quasar
Link:
https://app.any.run/tasks/e3a4ff91-fc71-41a5-aac8-945e4d667690

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/335876/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.27094.22927.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6378089a65b4ed3de8c89810/reports/1eebcc06-389e-4b3b-880d-46f08a1497c4/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fd8c39ac-ee50-4d34-893b-75821c1e1aa7
Result
Threat name:
FormBook, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116825
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Yara detected FormBook
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 749537 Sample: 2ayTZa7tZ8.exe Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 52 ip-api.com 2->52 62 Snort IDS alert for network traffic 2->62 64 Multi AV Scanner detection for domain / URL 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 9 other signatures 2->68 11 2ayTZa7tZ8.exe 16 8 2->11         started        signatures3 process4 dnsIp5 54 185.246.220.65, 49685, 49686, 49687 LVLT-10753US Germany 11->54 44 C:\Users\user\AppData\...\Rgwmvlqe.exe, PE32 11->44 dropped 46 C:\Users\user\AppData\...\Vfmwenrxvovna.exe, PE32 11->46 dropped 48 C:\Users\...\Rgwmvlqe.exe:Zone.Identifier, ASCII 11->48 dropped 50 C:\Users\user\AppData\...\2ayTZa7tZ8.exe.log, ASCII 11->50 dropped 70 Encrypted powershell cmdline option found 11->70 72 Tries to detect virtualization through RDTSC time measurements 11->72 74 Injects a PE file into a foreign processes 11->74 16 2ayTZa7tZ8.exe 11->16         started        19 Vfmwenrxvovna.exe 14 3 11->19         started        21 powershell.exe 15 11->21         started        file6 signatures7 process8 signatures9 56 Maps a DLL or memory area into another process 16->56 23 explorer.exe 16->23 injected 58 Machine Learning detection for dropped file 19->58 60 Encrypted powershell cmdline option found 19->60 25 powershell.exe 11 19->25         started        27 conhost.exe 21->27         started        process10 process11 29 Rgwmvlqe.exe 14 3 23->29         started        32 Rgwmvlqe.exe 23->32         started        34 conhost.exe 25->34         started        signatures12 76 Multi AV Scanner detection for dropped file 29->76 78 Machine Learning detection for dropped file 29->78 80 Encrypted powershell cmdline option found 29->80 36 powershell.exe 29->36         started        38 powershell.exe 32->38         started        process13 process14 40 conhost.exe 36->40         started        42 conhost.exe 38->42         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cafd713f9327f8663d8199d1ba4669f5bee4b1315d89ba9ed12311e819a84bb7/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-11-18 09:40:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zl6xcp4te74gmpmbthi3urtj6w7ojmjrlwe3vhwremi6qgnijo3q._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
masslogger
Create hunting rule
Similar samples:
084815d6dbfd3b18c4e79da980ee09a8409a3f44c271585905e01410937e9dcb
QuasarRAT
380cb4de7ecddc054955c5e7838e25fcd20dfe6455ff15c689474385f8c82ff0
QuasarRAT
40c51dc794e511304d2403b89d48286a913915cea98e86c8535bfeda77a27ef7
QuasarRAT
53d558b2f939bfce7dc3b9d6fdf0cfd92d966bcc7c3cb38e9a0171ef6f778a03
QuasarRAT
71dcb6b22366d8b555334f2a381b3844df412e0b3b377420e7843f473726ff27
QuasarRAT
76100dfb233e983c0190d55c224751945576e7d607f0db1c574876fd8302a6e4
QuasarRAT
d61855932c47e33b7adc0a49bca84227fdd325f35a35b8fbd76e8d9e401e4342
QuasarRAT
e8ea13799fe43f6e41e65740f5c4411d534ac481c07d167197f5edb95200add1
QuasarRAT
f90cae8d2f230d52a461faf67dd818065329eb8cac4c241734a3f224eee1c531
QuasarRAT
+ 16'664 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:formbook family:quasar botnet:november campaign:nurs persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/221118-2hnanafa7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Formbook payload
Formbook
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
185.246.220.65:5000
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e49aac4-070a-4c4d-a545-dff4b9180b0f
Unpacked files
SH256 hash:
cafd713f9327f8663d8199d1ba4669f5bee4b1315d89ba9ed12311e819a84bb7
MD5 hash:
a23b1875e919790e571aed2e249b515f
SHA1 hash:
075bcc8f85ff9ad4af28131cc21f1b5cf1387dfe
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/0133640c-8c8b-47ec-bbf4-4610c9a7b142/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cafd713f9327/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Create hunting rule
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 cafd713f9327f8663d8199d1ba4669f5bee4b1315d89ba9ed12311e819a84bb7

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/335876/
  
URLhaus
https://urlhaus.abuse.ch/url/2425745/
  
Delivery method
Distributed via web download

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