MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dad38069fb5b4df1e583b548a0ade9959885b15b95e3e2c7a916423ab6fe75f7. 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 File information Comments

SHA256 hash: dad38069fb5b4df1e583b548a0ade9959885b15b95e3e2c7a916423ab6fe75f7
SHA3-384 hash: b0c2c53d4573e7ecd648ba12c8d9a398251993415aa6cfdb268f556c5aa2cb91ae824c5f45ffde4d20d50db5b0d0fb2e
SHA1 hash: cf4e0550e4fc389e89b60e109c975e374c4298a7
MD5 hash: 3f1867dd89cb2e48d6725023d0691fd7
humanhash: yankee-vegan-one-august
File name:Windows Client.exe
Download: download sample
Signature QuasarRAT
File size:3'265'536 bytes
First seen:2023-12-27 02:53:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:Gvkt62XlaSFNWPjljiFa2RoUYIRWH6fyvjcLoGvEgSTHHB72eh2NT:Gv462XlaSFNWPjljiFXRoUYITf3
Threatray 293 similar samples on MalwareBazaar
TLSH T1A2E54A143BF85E32E17AE673D5B0501667F1E82AF363EB0B6281677E1C53B409C416AB
TrID 37.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
29.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
8.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
6.7% (.SCR) Windows screen saver (13097/50/3)
5.3% (.EXE) Win64 Executable (generic) (10523/12/4)
Reporter smica83
Tags:exe HUN kicsiwilly-ddns-net QuasarRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
343
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
appdata2.exe
Verdict:
Malicious activity
Analysis date:
2023-12-21 19:33:52 UTC
Tags:
rat quasar remote asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm certreq control crypto expand explorer hook infostealer keylogger lolbin quasar quasarrat rat remote replace schtasks stealer stealer
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
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)
Installs a global keyboard hook
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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2023-12-24 15:22:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
29 of 37 (78.38%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:cserkesz01 spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
kicsiwilly.ddns.net:4782
Unpacked files
SH256 hash:
dad38069fb5b4df1e583b548a0ade9959885b15b95e3e2c7a916423ab6fe75f7
MD5 hash:
3f1867dd89cb2e48d6725023d0691fd7
SHA1 hash:
cf4e0550e4fc389e89b60e109c975e374c4298a7
Detections:
QuasarRAT malware_windows_xrat_quasarrat win_quasarrat_j2 MALWARE_Win_QuasarStealer cn_utf8_windows_terminal INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MAL_QuasarRAT_May19_1 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_GENInfoStealer
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Comments