MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d. 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: 11


Intelligence 11 IOCs YARA 20 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d
SHA3-384 hash: df258ebbe2093683e08272e2e409f12d7a7a2d7671ef81b6e5731e8922acb264208dc4a62d8c07d2a53e48ee626208d4
SHA1 hash: e762dc7498d3232b438bac39d72f7bd38f733ef9
MD5 hash: 80896e11857944eb8bb1383d6f01e8d5
humanhash: iowa-maryland-robert-berlin
File name:80896e11_by_Libranalysis
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:938'496 bytes
First seen:2021-05-02 21:00:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:t6NzGTYAZN0gGkaoOsiwW0ZzELusJLK1lk+yQLP:oGTYAZN0gGkaoOsiwW0Zzek1lk+
Threatray 153 similar samples on MalwareBazaar
TLSH 5A151914F7F855A5F06EBF30747099054A39BE43697DD74A2BA690890F6B3808CB1FA3
Reporter Libranalysis
Tags:QuasarRAT


Avatar
Libranalysis
Uploaded as part of the sample sharing project

Intelligence

File Origin
# of uploads :
1
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Venom.exe
Verdict:
Malicious activity
Analysis date:
2021-05-02 20:45:34 UTC
Tags:
evasion trojan
Link:
https://app.any.run/tasks/60831db7-5a91-40f3-b889-b0c0de842e4a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/147922/
Detection(s):
Win.Malware.Ursu-9802322-0
Create hunting rule

Win.Packed.Adwarex-9851111-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a process from a recently created file
Sending a custom TCP request
Launching cmd.exe command interpreter
Creating a process with a hidden window
Launching a process
Launching the process to change the firewall settings
Unauthorized injection to a recently created process
Enabling autorun with the shell\open\command registry branches
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:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/706553
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to hide user accounts
Found malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 402196 Sample: 80896e11_by_Libranalysis Startdate: 02/05/2021 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 10 other signatures 2->58 7 80896e11_by_Libranalysis.exe 16 12 2->7         started        process3 dnsIp4 42 ip-api.com 208.95.112.1, 49704, 49708, 80 TUT-ASUS United States 7->42 44 raw.githubusercontent.com 185.199.108.133, 443, 49706 FASTLYUS Netherlands 7->44 38 C:\Users\user\AppData\Roaming\Venom.exe, PE32 7->38 dropped 40 C:\Users\...\80896e11_by_Libranalysis.exe.log, ASCII 7->40 dropped 60 May check the online IP address of the machine 7->60 62 Adds a directory exclusion to Windows Defender 7->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->64 12 Venom.exe 14 2 7->12         started        16 cmd.exe 1 7->16         started        18 cmd.exe 1 7->18         started        20 9 other processes 7->20 file5 signatures6 process7 dnsIp8 46 3.141.142.211, 12383, 49710, 49713 AMAZON-02US United States 12->46 48 192.168.2.1 unknown unknown 12->48 50 ip-api.com 12->50 66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 May check the online IP address of the machine 12->70 74 2 other signatures 12->74 72 Adds a directory exclusion to Windows Defender 16->72 22 powershell.exe 8 16->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 powershell.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 powershell.exe 20->34         started        36 11 other processes 20->36 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d/
Threat name:
ByteCode-MSIL.Trojan.MassLogger
Create hunting rule
Status:
Malicious
First seen:
2021-05-01 05:45:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
30
AV detection:
36 of 47 (76.60%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ifm24xhrbhqtlmdd6y7tp3sghoddqquvenuq6647zx556pc2fgq._file
Verdict:
malicious
Similar samples:
183d3d50bf7b49305a37925f69ea1b88e14444122826ce41e19f2f066dbba97e
QuasarRAT
39f5ac290e298e02e5c7854274278b08afae1162569ed4029c8f014425097250
QuasarRAT
471a91b4f8d67792bf0b5a67460fb7fe335db4963a7154c0cc20fe7461a87514
QuasarRAT
703aadea111eae71a7dfb3f2c63c4522b4edd138033fef221295f74d3509e10a
QuasarRAT
774fa620be98d94c8530d9c5e50e48c7595271fb911753b1c16d33dad1bc141d
QuasarRAT
7e7076c3ea0c14873923567195208738da17678b03c1bbc5d10a80c3570b26b3
QuasarRAT
b1a8eafefad6c6c7a60f6792ee493547ffd3d2467822cc9d8ec84ac848d547cc
QuasarRAT
bb9a1578f59d63b185023ada6c485e8b5cf9336e4b6bd3cad139d234b4f03c6d
QuasarRAT
d33b633b962e2851492365a557b624d4682620516513cde765b5e0428c69d917
QuasarRAT
d8032c71de22af1a399435b344ca825689ee175529c98fce2529f128f8357dc2
QuasarRAT
+ 143 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion
Link:
https://tria.ge/reports/210502-9qf2p1h5gx/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d
MD5 hash:
80896e11857944eb8bb1383d6f01e8d5
SHA1 hash:
e762dc7498d3232b438bac39d72f7bd38f733ef9
Detections:
win_masslogger_w0
Create hunting rule
win_agent_tesla_g1
Create hunting rule
Link:
https://www.unpac.me/results/dcc12797-583e-49f7-be65-dde5779d2c69/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:Choice_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Cryptocoin_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
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_RawGitHub_URL
Create hunting rule
Author:ditekSHen
Description:Detects executables containing URLs to raw contents of a Github gist
Rule name:INDICATOR_SUSPICIOUS_EXE_References_CryptoWallets
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many cryptocurrency mining wallets or apps. Observed in information stealers
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Stealer_word_in_memory
Create hunting rule
Author:James_inthe_box
Description:The actual word stealer in memory
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/147922/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-02 22:06:50 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection
1) [C0027.001] Cryptography Micro-objective::AES::Encrypt Data
2) [C0019] Data Micro-objective::Check String
3) [C0026.001] Data Micro-objective::Base64::Encode Data
5) [B0023] Execution::Install Additional Program