MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682. 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: 12


Intelligence 12 IOCs YARA 16 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682
SHA3-384 hash: 9e41f3420552da12dbe9033acd0483074d5a1d990f3abd5959ddf13606b30c0dcc76f1034f05f1556ffcd50c8fb96da6
SHA1 hash: e58598c90fde20a7fb64d5fe5b30201a17fa5a2e
MD5 hash: 900b358bae3debc09bb157171edb91f5
humanhash: whiskey-spaghetti-mountain-video
File name:900b358bae3debc09bb157171edb91f5
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'085'952 bytes
First seen:2022-09-11 07:51:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:dLynkc1ZzBvtrZHFjMKY2pOuwelFwdelEVVZR:1ynkc1ZzBvtrZHFjMKY2JwelFwkm
TLSH T1ED352824F7E85595F06E7F36747198050B38BE03693D974B3B96A1980E6A380CCB2F67
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
900b358bae3debc09bb157171edb91f5
Verdict:
Malicious activity
Analysis date:
2022-09-11 07:57:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/935b3f24-e174-4a28-b04d-9a2e07452751

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309279/
Detection(s):
Win.Malware.Ursu-9802322-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.NWorm.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the Program Files subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Sending a custom TCP request
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Adding an access-denied ACE
Forced system process termination
BSOD occurred
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Setting a single autorun event
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe cmstp.exe evasive explorer.exe fingerprint fingerprint keylogger netsh.exe packed packed quasarrat rat regasm.exe schtasks.exe stealer update.exe
Link:
https://www.filescan.io/uploads/631d93b0a90642bcbbffd61d/reports/79986598-e5c4-4e4e-b6d5-e0f2dac0de9b/overview
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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b24e7268-5085-4e26-ab86-b251ad658325
Result
Threat name:
AsyncRAT, Clipboard Hijacker, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068403
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to hide user accounts
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Clipboard Hijacker
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 700936 Sample: DzLLDATubf.exe Startdate: 11/09/2022 Architecture: WINDOWS Score: 100 55 ip-api.com 2->55 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Malicious sample detected (through community Yara rule) 2->69 73 18 other signatures 2->73 9 DzLLDATubf.exe 15 13 2->9         started        14 skype.exe 2->14         started        16 skype.exe 2->16         started        signatures3 71 May check the online IP address of the machine 55->71 process4 dnsIp5 61 ip-api.com 208.95.112.1, 49709, 49711, 80 TUT-ASUS United States 9->61 63 pastebin.com 172.67.34.170, 443, 49710 CLOUDFLARENETUS United States 9->63 51 C:\Program Files (x86)\skype.exe, PE32 9->51 dropped 53 C:\Users\user\AppData\...\DzLLDATubf.exe.log, ASCII 9->53 dropped 85 May check the online IP address of the machine 9->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->87 18 skype.exe 17 8 9->18         started        23 cmd.exe 1 9->23         started        file6 signatures7 process8 dnsIp9 57 workday2022.hopto.org 18->57 59 ip-api.com 18->59 49 C:\Users\user\AppData\Localxecution2.vbs, ASCII 18->49 dropped 75 Protects its processes via BreakOnTermination flag 18->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->77 25 wscript.exe 1 18->25         started        27 wscript.exe 1 18->27         started        30 cmd.exe 18->30         started        32 WerFault.exe 18->32         started        79 Uses ping.exe to sleep 23->79 81 Uses ping.exe to check the status of other devices and networks 23->81 34 conhost.exe 23->34         started        36 PING.EXE 1 23->36         started        38 chcp.com 1 23->38         started        file10 signatures11 process12 signatures13 40 skype.exe 25->40         started        43 skype.exe 25->43         started        45 skype.exe 25->45         started        47 15 other processes 25->47 89 Writes or reads registry keys via WMI 27->89 process14 signatures15 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 40->83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682/
Threat name:
ByteCode-MSIL.Trojan.ClipBanker
Create hunting rule
Status:
Malicious
First seen:
2022-09-08 00:42:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=odna6bwlivgzhvzvqpg2j3gx4m7466enh2sm5rl2ubwaazylw2ba._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:skype client persistence spyware trojan
Link:
https://tria.ge/reports/220911-jqd3vafadj/
Behaviour
Modifies registry class
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
workday2022.hopto.org:4788
Unpacked files
SH256 hash:
2610e2318a83c68378080c4d668854fe49ec5a41b53b923d769a4aaae700e2ed
MD5 hash:
a617ea98c770ca7e1a033b6a9f8df5c2
SHA1 hash:
b08ae596a702e970eac6f55c9c3fb4da30621888
Link:
https://www.unpac.me/results/2d97b5e3-cc13-4b64-8fdf-8e47ac47ebd3/
SH256 hash:
70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682
MD5 hash:
900b358bae3debc09bb157171edb91f5
SHA1 hash:
e58598c90fde20a7fb64d5fe5b30201a17fa5a2e
Link:
https://www.unpac.me/results/2d97b5e3-cc13-4b64-8fdf-8e47ac47ebd3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682

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_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_DLAgent09
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_DLAgent10
Create hunting rule
Author:ditekSHen
Description:Detects known downloader agent
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:RDPWrap
Create hunting rule
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

QuasarRAT

Executable exe 70da0f06cb454d93d73583cda4ecd7e33fcf788d3ea4cec57aa06c00670bb682

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2299322/
  
URLhaus
https://urlhaus.abuse.ch/url/2299327/
Cape
Cape
https://www.capesandbox.com/analysis/309279/

Comments


Avatar
zbet commented on 2022-09-11 07:51:40 UTC

url : hxxp://81.161.229.110/htdocs/gPDQGcdXQJYoErD.exe