MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cea3eed68e11a7775d7ee3d3b1f3718127a0926cf3e36dd316b7e56b15f2462. 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 8 File information Comments

SHA256 hash: 3cea3eed68e11a7775d7ee3d3b1f3718127a0926cf3e36dd316b7e56b15f2462
SHA3-384 hash: 6507adb211b4f122a1a5d5b02faa6af186cccf41c961ab5f7b1c373d9acc00eb6cbac3d24b21af9d14b30df6ede99931
SHA1 hash: 630fd1d0b51b1dc44961c3f27cf12c76f4a2a8ee
MD5 hash: b424bfaf84875510e6137d934959d7e8
humanhash: triple-lion-high-ten
File name:b424bfaf84875510e6137d934959d7e8.exe
Download: download sample
Signature QuasarRAT
File size:3'447'808 bytes
First seen:2023-04-01 04:30:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 49152:HvwlL26AaNeWgPhlmVqvMQ7XSKEeeIBxQ6oGdx0THHB72eh2NTh:HvYL26AaNeWgPhlmVqkQ7XSKpes5
Threatray 123 similar samples on MalwareBazaar
TLSH T135F56C0437F85E32E1BBA6B3D5B0502657F0E82AF363E70B5181AB7A1C57F544842AB7
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10523/12/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0d9c868b2422001 (1 x QuasarRAT)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
65.0.50.125:22247

Intelligence


File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
b424bfaf84875510e6137d934959d7e8.exe
Verdict:
Malicious activity
Analysis date:
2023-04-01 04:31:15 UTC
Tags:
rat quasar trojan asyncrat ransomware

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

Behaviour
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 downeks infostealer keylogger quasar quasarrat rat 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:
AESCRYPT Ransomware, Quasar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Contains functionality to detect sleep reduction / modifications
Contains functionalty to change the wallpaper
Creates files in the recycle bin to hide itself
Deletes shadow drive data (may be related to ransomware)
Found stalling execution ending in API Sleep call
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)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AESCRYPT Ransomware
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 839161 Sample: hFXekxaAEk.exe Startdate: 01/04/2023 Architecture: WINDOWS Score: 100 84 Snort IDS alert for network traffic 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 Antivirus detection for dropped file 2->88 90 11 other signatures 2->90 9 hFXekxaAEk.exe 5 2->9         started        13 Java Scheduler Update.exe 3 2->13         started        process3 file4 68 C:\Users\user\...\Java Scheduler Update.exe, PE32 9->68 dropped 70 C:\Users\user\AppData\...\hFXekxaAEk.exe.log, CSV 9->70 dropped 100 Uses schtasks.exe or at.exe to add and modify task schedules 9->100 102 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->102 15 Java Scheduler Update.exe 14 4 9->15         started        20 schtasks.exe 1 9->20         started        signatures5 process6 dnsIp7 76 65.0.50.125, 22247, 49695 AMAZON-02US United States 15->76 78 ipwho.is 195.201.57.90, 443, 49698 HETZNER-ASDE Germany 15->78 56 C:\Users\user\AppData\...\qlhVkQxwWoPL.exe, PE32 15->56 dropped 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->80 82 Installs a global keyboard hook 15->82 22 qlhVkQxwWoPL.exe 2 501 15->22         started        26 schtasks.exe 1 15->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10 file11 60 C:\Users\user\AppData\Local\Temp\u.wry, PE32 22->60 dropped 62 C:\Users\user\...\!WannaDecryptor!.exe, PE32 22->62 dropped 64 C:\Users\user\...\!WannaDecryptor!.exe.lnk, MS 22->64 dropped 66 13 other malicious files 22->66 dropped 92 Antivirus detection for dropped file 22->92 94 Multi AV Scanner detection for dropped file 22->94 96 Creates files in the recycle bin to hide itself 22->96 98 4 other signatures 22->98 30 !WannaDecryptor!.exe 22->30         started        34 cmd.exe 2 22->34         started        37 taskkill.exe 22->37         started        41 3 other processes 22->41 39 conhost.exe 26->39         started        signatures12 process13 dnsIp14 74 127.0.0.1 unknown unknown 30->74 104 Antivirus detection for dropped file 30->104 106 Multi AV Scanner detection for dropped file 30->106 108 Contains functionalty to change the wallpaper 30->108 112 2 other signatures 30->112 58 C:\Users\user\AppData\Local\Temp\c.vbs, ASCII 34->58 dropped 110 Command shell drops VBS files 34->110 43 cscript.exe 3 34->43         started        46 conhost.exe 34->46         started        48 conhost.exe 37->48         started        50 conhost.exe 41->50         started        52 conhost.exe 41->52         started        54 conhost.exe 41->54         started        file15 signatures16 process17 file18 72 C:\Users\user\...\!WannaDecryptor!.exe.lnk, MS 43->72 dropped
Threat name:
ByteCode-MSIL.Trojan.Quasar
Status:
Malicious
First seen:
2023-03-27 08:28:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
wannacry
Score:
  10/10
Tags:
family:quasar family:wannacry botnet:vps evasion persistence ransomware spyware stealer trojan worm
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Sets desktop wallpaper using registry
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Modifies extensions of user files
Deletes shadow copies
Quasar RAT
Quasar payload
Wannacry
Malware Config
C2 Extraction:
65.0.50.125:22247
Unpacked files
SH256 hash:
3cea3eed68e11a7775d7ee3d3b1f3718127a0926cf3e36dd316b7e56b15f2462
MD5 hash:
b424bfaf84875510e6137d934959d7e8
SHA1 hash:
630fd1d0b51b1dc44961c3f27cf12c76f4a2a8ee
Detections:
QuasarRAT
Malware family:
QuasarRAT
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_QuasarStealer
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

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