MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea
SHA3-384 hash: 754f63636f04d877d8d0a9fc426893c75117c7d2ebcbff66d385b1c8d0ef3fa358e6d8a03b80a33f8566c3bd62f9c07d
SHA1 hash: 1c1d552b5be3dfbedf9e4f8ad7ea6100ea746c3d
MD5 hash: 48ec007f0234bd9aa861cf51298cd2f9
humanhash: hydrogen-ten-pasta-stairway
File name:48ec007f0234bd9aa861cf51298cd2f9.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'640'832 bytes
First seen:2025-08-07 06:59:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 581904886fa82d72b55f3b95feac6241 (22 x LummaStealer, 3 x Stealc, 1 x XWorm)
ssdeep 98304:w8UULogG7Bt+0WAaYbjdXaTAdzvz0BPj0jMWZ/wZ8:8ULogS/+ZAfhaTAdzvz9MWZ/g8
TLSH T151F5F219E87890D6FCD301B1BB55D252A4227F3BDE2C696B50F4DBD0124ADED093B22B
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
46
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
6B1A9F0A680B48D3C3D3B49AA49EA0AE7788081880D4A2A8875632F94D77F36F.exe
Verdict:
Malicious activity
Analysis date:
2025-08-06 21:22:02 UTC
Tags:
lumma stealer themida loader amadey auto redline botnet rdp auto-reg
Link:
https://app.any.run/tasks/de176438-cf87-428a-ac1f-fdd24227c634

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/19417/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.73392735.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68944edf1e8a59ee04e6ed95
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Link:
https://www.filescan.io/uploads/68944eda167d60d98ab5f130/reports/4253ccc7-0068-4000-81bf-566a63d6babe/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3a072d5d-3e6b-47e1-b1e0-1a70e622f642
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1752050
Signature
Allocates memory in foreign processes
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
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 Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/48ec007f0234bd9aa861cf51298cd2f9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea/
Verdict:
Malicious
Threat:
UDS:DangerousObject.Multi
Link:
https://tip.neiki.dev/file/c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea
Threat name:
Win64.Trojan.LummaStealer
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 20:34:43 UTC
File Type:
PE+ (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ygymstogp7opb5ofc35hzg4knm47ztqeskxlyisjhcffagsbzhva._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:vencordinstaller discovery spyware trojan
Link:
https://tria.ge/reports/250807-hsc3wsdm5y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Checks for VirtualBox DLLs, possible anti-VM trick
Suspicious use of SetThreadContext
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
196.251.71.193:4782
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b744e5cc-07a3-42f8-8bd2-f41fe193033c
Unpacked files
SH256 hash:
c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea
MD5 hash:
48ec007f0234bd9aa861cf51298cd2f9
SHA1 hash:
1c1d552b5be3dfbedf9e4f8ad7ea6100ea746c3d
Link:
https://www.unpac.me/results/5046a6f7-0cb3-48df-adf3-9d92ae4736ee/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c1b0c94dc67f/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

QuasarRAT

Executable exe c1b0c94dc67fdcf0f5c516fa7c9b8a6b39fcce0492aebc2249388a501a41c9ea

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3597748/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/19417/

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