MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892. 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
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SHA256 hash: e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892
SHA3-384 hash: 31da499c95b446d78f17149546778c04e782ffbbeaec70261f0f572a0c41623f9efe1d164dc07caf6261b1d6d6c54586
SHA1 hash: 553caf9aca39f934570b164f367d6bc88d81f7e9
MD5 hash: f39f62e3b4b6520c0eccae3d4e5879db
humanhash: pasta-fourteen-gee-fourteen
File name:file
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'444'064 bytes
First seen:2024-09-26 18:09:52 UTC
Last seen:2024-09-26 18:10:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'034 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 3072:patWqvozZqlXS99bMRfCh+T5bOCYEu05ukO3JJ:pMWqcIXS99bMZ5sCYE7O3P
Threatray 879 similar samples on MalwareBazaar
TLSH T13B463A96B2509FB1C59E8D7B81B2473147705E628E42FF012DC7F54A29E32C5EB036AE
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon 23272f2f2f2f2f0b (3 x AgentTesla, 2 x GurcuStealer, 2 x Formbook)
Reporter Bitsight
Tags:exe QuasarRAT


Avatar
Bitsight
url: http://185.80.128.17/Programs.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
423
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-26 18:12:08 UTC
Tags:
whitesnake stealer evasion exfiltration loader rat asyncrat remote quasar ims-api generic
Link:
https://app.any.run/tasks/d9031ee6-6e82-4cc7-9706-69f6507e6254

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.BackDoor.SpyBotNET.85.28559.32593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66f5a37d56c487103d52ecc8
Tags:
Encryption Execution Generic Infostealer Network Other Static Stealth Trojan Vmdetect Autorun Quasar Gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Connection attempt
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Moving a recently created file
Reading critical registry keys
Launching the process to change network settings
Searching for synchronization primitives
Sending an HTTP GET request
Creating a window
Sending an HTTP POST request
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Setting a keyboard event handler
Unauthorized injection to a recently created process
Stealing user critical data
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm fingerprint overlay
Link:
https://www.filescan.io/uploads/66f5a37bb240a2b637c831ed/reports/b8057282-dcc9-46e0-9179-969570c631fd/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.IN.Generic
Link:
https://www.hybrid-analysis.com/sample/e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892
Malware family:
WhiteSnake Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/749c9ddf-3c3a-48e2-bb31-68582451418e
Result
Threat name:
Quasar, WhiteSnake Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1519662
Signature
.NET source code contains very large strings
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found Tor onion address
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)
May use the Tor software to hide its network traffic
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Self deletion via cmd or bat file
Sigma detected: Capture Wi-Fi password
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal WLAN passwords
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Yara detected WhiteSnake Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1519662 Sample: file.exe Startdate: 26/09/2024 Architecture: WINDOWS Score: 100 89 objects.githubusercontent.com 2->89 91 ipwho.is 2->91 93 2 other IPs or domains 2->93 115 Suricata IDS alerts for network traffic 2->115 117 Found malware configuration 2->117 119 Malicious sample detected (through community Yara rule) 2->119 121 12 other signatures 2->121 12 file.exe 7 2->12         started        16 file.exe 2 2->16         started        18 OfficeManager.exe 2->18         started        20 file.exe 2->20         started        signatures3 process4 file5 83 C:\Users\user\AppData\Local\...\file.exe, PE32 12->83 dropped 85 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 12->85 dropped 87 C:\Users\user\AppData\Local\...\file.exe.log, CSV 12->87 dropped 147 Found many strings related to Crypto-Wallets (likely being stolen) 12->147 149 Self deletion via cmd or bat file 12->149 22 cmd.exe 1 12->22         started        signatures6 process7 signatures8 133 Uses schtasks.exe or at.exe to add and modify task schedules 22->133 135 Uses netsh to modify the Windows network and firewall settings 22->135 137 Tries to harvest and steal WLAN passwords 22->137 25 file.exe 14 36 22->25         started        30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        34 2 other processes 22->34 process9 dnsIp10 101 185.80.128.17, 49744, 49746, 49747 VPSNET-ASLT Lithuania 25->101 103 ip-api.com 208.95.112.1, 49742, 80 TUT-ASUS United States 25->103 105 3 other IPs or domains 25->105 75 C:\Users\user\AppData\...\OfficeManager.exe, PE32 25->75 dropped 77 C:\Users\user\AppData\Local\...\zlib1.dll, PE32 25->77 dropped 79 C:\Users\user\AppData\Local\...\tor-real.exe, PE32 25->79 dropped 81 9 other malicious files 25->81 dropped 139 Antivirus detection for dropped file 25->139 141 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 25->141 143 Machine Learning detection for dropped file 25->143 145 5 other signatures 25->145 36 OfficeManager.exe 25->36         started        40 tor-real.exe 17 25->40         started        43 cmd.exe 25->43         started        45 cmd.exe 25->45         started        file11 signatures12 process13 dnsIp14 73 C:\Users\user\AppData\...\OfficeManager.exe, PE32 36->73 dropped 123 Hides that the sample has been downloaded from the Internet (zone.identifier) 36->123 47 OfficeManager.exe 36->47         started        51 schtasks.exe 36->51         started        95 142.132.151.131 UNIVERSITYOFWINNIPEG-ASNCA Canada 40->95 97 209.141.40.46, 443, 49745 PONYNETUS United States 40->97 99 6 other IPs or domains 40->99 125 Found many strings related to Crypto-Wallets (likely being stolen) 40->125 127 Found Tor onion address 40->127 129 May use the Tor software to hide its network traffic 40->129 53 conhost.exe 40->53         started        131 Tries to harvest and steal WLAN passwords 43->131 55 conhost.exe 43->55         started        57 chcp.com 43->57         started        59 netsh.exe 43->59         started        61 findstr.exe 43->61         started        63 conhost.exe 45->63         started        65 3 other processes 45->65 file15 signatures16 process17 dnsIp18 107 193.149.187.135, 49748, 8080 DANISCODK Denmark 47->107 109 ipwho.is 195.201.57.90, 443, 49749 HETZNER-ASDE Germany 47->109 111 Hides that the sample has been downloaded from the Internet (zone.identifier) 47->111 113 Installs a global keyboard hook 47->113 67 schtasks.exe 47->67         started        69 conhost.exe 51->69         started        signatures19 process20 process21 71 conhost.exe 67->71         started       
Score:
87%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892/
Threat name:
ByteCode-MSIL.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2024-09-26 18:42:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4tdlebn3x6okbwr6yehwk75p2js4k3arurcsisvkpq2awnekrcja._file
Verdict:
malicious
Label(s):
whitesnake
Create hunting rule
quasarrat
Create hunting rule
Similar samples:
01d7838a7a970a4fca588740cf6f8129f4ae01b0d9936eb43a1aff9436b848a2
QuasarRAT
159f657fbcc6e984293395b6c292b57bcdb6ebdc9cd5fd8551452260a99299ed
QuasarRAT
73399ca48340bd7a31da27d573966f23371fe4ea82625ee3b7ce2772386b9e04
QuasarRAT
ced760664a7c5580e324d99d695b119c1f3ec94d1d9c56d1d3882347f0c6eb10
QuasarRAT
+ 869 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:officemanager collection discovery persistence privilege_escalation spyware stealer trojan
Link:
https://tria.ge/reports/240926-wr28aatcqd/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
outlook_office_path
outlook_win_path
Browser Information Discovery
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Wi-Fi Discovery
Accesses Microsoft Outlook profiles
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Deletes itself
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
193.149.187.135:8080
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/563b6996-0282-4180-b77a-8063510b0796
Unpacked files
SH256 hash:
5ceb860781ed29d5ccdbb2b785a51c9a1d196242f9d4715c9eb905ae2715bfe2
MD5 hash:
fc69267d91d0a59a3b25abad2491e5dc
SHA1 hash:
4affd202896ac404d550d825454e346089af1d40
Link:
https://www.unpac.me/results/b04b4c89-3117-4956-9296-89949965b7b5/
SH256 hash:
e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892
MD5 hash:
f39f62e3b4b6520c0eccae3d4e5879db
SHA1 hash:
553caf9aca39f934570b164f367d6bc88d81f7e9
Link:
https://www.unpac.me/results/b04b4c89-3117-4956-9296-89949965b7b5/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e4c6b205bbbf/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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 e4c6b205bbbf9ca0da3ec10f657fafd265c56c11a445244aaa7c340b348a8892

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3192912/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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