MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04. 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
| SHA256 hash: | 73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04 |
|---|---|
| SHA3-384 hash: | 07d8da034f682a4b8a0d537d70765a537cd40386cf43fcbf83fb99da9ce1b13745eb21909d81b230415ab819e203563a |
| SHA1 hash: | c032c86ab52a986d8fb85b4a2ffc4a41d2ec0a80 |
| MD5 hash: | 78a7612603af19fb92d614af1e769f2a |
| humanhash: | lamp-pizza-lithium-uncle |
| File name: | 78a7612603af19fb92d614af1e769f2a |
| Download: | download sample |
| Signature | QuasarRAT |
| File size: | 3'760'464 bytes |
| First seen: | 2024-06-28 12:24:58 UTC |
| Last seen: | 2024-06-28 14:34:26 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ed4962dc6d69982d0af6070ed1241520 (1 x QuasarRAT) |
| ssdeep | 49152:LdbIKJzytEyM67fYoiJTwC/rMIqLwRjwVofSOtGhpGjyxqRlEBPPmgtPXVMNmIqK:RfgEy7755yrkwVwVWSqjePZ9Xg5cI |
| TLSH | T119062397AC619504DDF741F2F988A10855903A5ACF2D61CDD2CE898A2432CDDFF7A23E |
| TrID | 63.5% (.EXE) Win64 Executable (generic) (10523/12/4) 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) |
| File icon (PE): |  |
| dhash icon | 71e88a8adacc6932 (1 x QuasarRAT) |
| Reporter |  zbetcheckin |
| Tags: | 64 exe QuasarRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
367
Origin country :
FRVendor Threat Intelligence
Verdict:
Malicious
Score:
91.7%
Link:
Tags:
Encryption Static Heur
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Setting a keyboard event handler
DNS request
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
microsoft_visual_cc overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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:
Suspicious
Result
Threat name:
Quasar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Score:
98%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.Nekark
Status:
Malicious
First seen:
2024-06-26 23:58:03 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
10 of 24 (41.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
quasar
Score:
10/10
Tags:
family:quasar botnet:newoffice spyware trojan
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
117.18.7.76:3782
Unpacked files
SH256 hash:
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
MD5 hash:
78a7612603af19fb92d614af1e769f2a
SHA1 hash:
c032c86ab52a986d8fb85b4a2ffc4a41d2ec0a80
Malware family:
QuasarRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess |
Comments
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