MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cc2cfdb23db8b97c610105eaf704dc18e694b3df11f4a13f7187152955415fdc. 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: 16
| SHA256 hash: | cc2cfdb23db8b97c610105eaf704dc18e694b3df11f4a13f7187152955415fdc |
|---|---|
| SHA3-384 hash: | e79ae4a0c8c6c41266530dc2808dab4d9ca7b0b5d7fac877afe9b713b38acc072165d8a7247e0f2548573b91280a9546 |
| SHA1 hash: | db0c7b45471c64dc695c98a5c61a1d3b0b1c5f41 |
| MD5 hash: | 6d48da1b1beffb52e09d892ff7f460c2 |
| humanhash: | violet-red-ink-high |
| File name: | 1700555584fd3ebc0fea69edad4a43f2ea79c4fbb01cc833100d64f58c1a7ee1ac4ab23ff0415.dat-decoded |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 938'496 bytes |
| First seen: | 2023-11-21 08:33:07 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 24576:tmkdueXjq0OQKc2YSEegpQRDLusJLK1lkioLP:IkdueXjq0OQKc2YSEegpshk1lk |
| Threatray | 69 similar samples on MalwareBazaar |
| TLSH | T1A8151914F7F855A5F06EBF30747099054A39BE43697DD74A2BA690890F6B3808CB1FA3 |
| TrID | 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.5% (.SCR) Windows screen saver (13097/50/3) 7.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) |
| Reporter |  abuse_ch |
| Tags: | base64-decoded exe QuasarRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
357
Origin country :
DEVendor Threat Intelligence
Detection:
ArrowRAT
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
83%
Tags:
anti-vm anti-vm certutil cmd cmstp control evasive evasive eventvwr explorer fingerprint fingerprint greyware hook keylogger lolbin lolbin macros-on-open net netsh packed packed powershell reg regasm regedit remote replace schtasks schtasks stealer update
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
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.
Malware family:
Quasar RAT
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker, Quasar
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to hide user accounts
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Yara detected AntiVM3
Yara detected Clipboard Hijacker
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Status:
Malicious
First seen:
2023-11-20 18:45:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
22 of 23 (95.65%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 59 additional samples on MalwareBazaar
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:queda ツ spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
45.61.174.20:5552
Unpacked files
SH256 hash:
cc2cfdb23db8b97c610105eaf704dc18e694b3df11f4a13f7187152955415fdc
MD5 hash:
6d48da1b1beffb52e09d892ff7f460c2
SHA1 hash:
db0c7b45471c64dc695c98a5c61a1d3b0b1c5f41
Detections:
RDPWrap
QuasarRAT
win_masslogger_w0
win_agent_tesla_g1
RDPWrap
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
MALWARE_Win_ArrowRAT
MALWARE_Win_DLAgent09
Quasar
SUSP_NET_Msil_Suspicious_Use_StrReverse
Typical_Malware_String_Transforms
cn_utf8_windows_terminal
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
MALWARE_Win_QuasarRAT
MALWARE_Win_DLAgent10
malware_windows_xrat_quasarrat
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows executables referencing non-Windows User-Agents |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing URLs to raw contents of a Github gist |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables embedding command execution via IExecuteCommand COM object |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | malware_Quasar_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect QuasarRAT in memory |
| Rule name: | MALWARE_Win_ArrowRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects ArrowRAT |
| Rule name: | MALWARE_Win_DLAgent09 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects known downloader agent |
| Rule name: | MALWARE_Win_DLAgent10 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects known downloader agent |
| Rule name: | MALWARE_Win_QuasarRAT |
|---|---|
| Author: | ditekSHen |
| Description: | QuasarRAT payload |
| Rule name: | masslogger_gcch |
|---|---|
| Author: | govcert_ch |
| Rule name: | msil_suspicious_use_of_strreverse |
|---|---|
| Author: | dr4k0nia |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| Rule name: | Multifamily_RAT_Detection |
|---|---|
| Author: | Lucas Acha (http://www.lukeacha.com) |
| Description: | Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RDPWrap |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies RDP Wrapper, sometimes used by attackers to maintain persistence. |
| Reference: | https://github.com/stascorp/rdpwrap |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_NET_Msil_Suspicious_Use_StrReverse |
|---|---|
| Author: | dr4k0nia, modified by Florian Roth |
| Description: | Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse |
| Reference: | https://github.com/dr4k0nia/yara-rules |
| Rule name: | SUSP_OneNote |
|---|---|
| Author: | spatronn |
| Description: | Hard-Detect One |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Typical_Malware_String_Transforms |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Typical_Malware_String_Transforms_RID3473 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects typical strings in a reversed or otherwise modified form |
| Reference: | Internal Research |
| Rule name: | Windows_Trojan_MassLogger_511b001e |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_masslogger_w0 |
|---|---|
| Author: | govcert_ch |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
fd3ebc0fea69edad4a43f2ea79c4fbb01cc833100d64f58c1a7ee1ac4ab23ff0
Dropped by
SHA256 fd3ebc0fea69edad4a43f2ea79c4fbb01cc833100d64f58c1a7ee1ac4ab23ff0
Dropped by
MD5 97912a976a1eb546abef620e1e3029b3
Delivery method
Distributed via web download
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