MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ddc379870fc998ee1692f412ec8bfd60afe463df71656ed4713806cdbf2ee948. 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: 13


Intelligence 13 IOCs YARA 20 File information Comments 1

SHA256 hash: ddc379870fc998ee1692f412ec8bfd60afe463df71656ed4713806cdbf2ee948
SHA3-384 hash: 01b858e3e1bf03d6aae23c2fc7cf109ff77729c324022cc3fbfeb3180bd4902281b2120db8ec6309ab2bad0213ba6579
SHA1 hash: 738820bea2bb617fef63ef9e7c8667eb4377e9ba
MD5 hash: 7fbd618895838f8ab22d9c09533f1220
humanhash: friend-neptune-happy-potato
File name:7fbd618895838f8ab22d9c09533f1220
Download: download sample
Signature QuasarRAT
File size:1'045'504 bytes
First seen:2022-11-29 00:16:56 UTC
Last seen:2022-11-29 01:27:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:LlUSkZPFrg/TZanaGjHOEBNVd467kJdWl4tCkCIP/dCn:iPwTZaavEB7q+2d04yc/c
Threatray 427 similar samples on MalwareBazaar
TLSH T1AD25028C725071DFD867C8328AA86CB8D6517CBB472BC217A01731AE6A3D997DF141B3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon aea28aa2bab8a2e0 (3 x QuasarRAT, 1 x Stealc)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
360
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7fbd618895838f8ab22d9c09533f1220
Verdict:
Malicious activity
Analysis date:
2022-11-29 00:19:42 UTC
Tags:
evasion trojan quasar

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

Behaviour
Unauthorized injection to a recently created process
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 755665 Sample: 6jVcE2Zi7X.exe Startdate: 29/11/2022 Architecture: WINDOWS Score: 100 45 www.dnuocc.com 2->45 53 Snort IDS alert for network traffic 2->53 55 Multi AV Scanner detection for domain / URL 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 7 other signatures 2->59 11 6jVcE2Zi7X.exe 1 2->11         started        15 6jVcE2Zi7X.exe 2->15         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\6jVcE2Zi7X.exe.log, ASCII 11->41 dropped 71 May check the online IP address of the machine 11->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 11->73 75 Injects a PE file into a foreign processes 11->75 17 6jVcE2Zi7X.exe 15 4 11->17         started        22 6jVcE2Zi7X.exe 2 15->22         started        signatures6 process7 dnsIp8 43 ip-api.com 208.95.112.1, 49702, 49703, 80 TUT-ASUS United States 17->43 39 C:\Users\user\AppData\Roaming\gvk\gvk.exe, PE32 17->39 dropped 61 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->61 24 gvk.exe 1 17->24         started        27 schtasks.exe 1 17->27         started        file9 signatures10 process11 signatures12 63 Multi AV Scanner detection for dropped file 24->63 65 May check the online IP address of the machine 24->65 67 Machine Learning detection for dropped file 24->67 69 Injects a PE file into a foreign processes 24->69 29 gvk.exe 14 2 24->29         started        33 conhost.exe 27->33         started        process13 dnsIp14 47 dnuocc.com 185.216.71.78, 49704, 49705, 49706 CLOUDCOMPUTINGDE Germany 29->47 49 192.168.2.1 unknown unknown 29->49 51 2 other IPs or domains 29->51 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 29->77 35 schtasks.exe 1 29->35         started        signatures15 process16 process17 37 conhost.exe 35->37         started       
Threat name:
ByteCode-MSIL.Adware.Vapsup
Status:
Malicious
First seen:
2022-11-28 21:46:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
26
AV detection:
24 of 39 (61.54%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:quasar botnet:goop persistence spyware trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
fa22911bf70280e9fbbadbd294846af2fc374d907eed3260d8348720491105d3
MD5 hash:
77dfaa4930c5ed77a7c0b3f228295cdd
SHA1 hash:
82bcd8efdc2cccd75a60723b16bfd76f128b4952
SH256 hash:
abfede11c12fb156d311018930d361058cde63189cecb3067f1338e5b8d0a508
MD5 hash:
b8889cf1f0876341de78a48c9a32cda9
SHA1 hash:
4c1ff284b92fbb1158eb0ee4b52b339cb3c13be0
SH256 hash:
ddc379870fc998ee1692f412ec8bfd60afe463df71656ed4713806cdbf2ee948
MD5 hash:
7fbd618895838f8ab22d9c09533f1220
SHA1 hash:
738820bea2bb617fef63ef9e7c8667eb4377e9ba
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:CN_disclosed_20180208_KeyLogger_1
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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_Quasar_strings
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Author:Florian Roth
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:Quasar_RAT_1
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Author:Florian Roth
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Author:Elastic Security
Rule name:xRAT_1
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information


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

Web download

QuasarRAT

Executable exe ddc379870fc998ee1692f412ec8bfd60afe463df71656ed4713806cdbf2ee948

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-11-29 00:17:03 UTC

url : hxxps://js-hurling.com/rcicontent/pgsrtgrytrhy.exe