MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d
SHA3-384 hash: ab9b283a6dbf89d39cd0884ad9c7c19b6f4535c66cb91e2c8203cb61a3034e9566165347e0861c9cdc6d519290b7a73f
SHA1 hash: f4ec81158f766f5fed20b936637ae6db1bcca2c1
MD5 hash: 3d7d4ced171a608319381205863c8789
humanhash: missouri-jersey-four-lithium
File name:IMG0000030_Pago_SWIFT.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'445'376 bytes
First seen:2021-10-15 18:42:48 UTC
Last seen:2021-10-15 20:09:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:NKRW6x7LrxYcu2/Lth0U8a1dD0ut69+cbeIBvLURuvh//xYHegwEPs4RB+9:NKw61DzTdvdDN6tbfU+U9VB
Threatray 174 similar samples on MalwareBazaar
TLSH T1146523854FF9E1D7D8E36A32AAFBAA3105356B24D5B48014A144F37613A331BDC6BF09
File icon (PE):PE icon
dhash icon 1032d232e98c3689 (16 x AgentTesla, 8 x AveMariaRAT, 7 x Formbook)
Reporter GovCERT_CH
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
372
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IMG0000030_Pago_SWIFT.exe
Verdict:
Malicious activity
Analysis date:
2021-10-15 18:44:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6b2e2ea1-2f23-4b44-9146-3d0cdb61c007

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/197810/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.20934.9229.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the %temp% directory
Creating a window
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6169cbbb9a5a1e91c5c104fe/reports/5eba1cc1-bf23-4137-87b7-3a3d90f26f52/overview
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1ffb7b2a-3388-47ea-86f0-8bbd2b8b4817
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871307
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates an undocumented autostart registry key
Deletes itself after installation
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 domain / URL
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 503733 Sample: IMG0000030_Pago_SWIFT.exe Startdate: 15/10/2021 Architecture: WINDOWS Score: 100 35 Multi AV Scanner detection for domain / URL 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 7 other signatures 2->41 7 IMG0000030_Pago_SWIFT.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\...\tired.exe, PE32 7->21 dropped 23 C:\Users\user\...\IMG0000030_Pago_SWIFT.exe, PE32 7->23 dropped 25 C:\Users\user\...\tired.exe:Zone.Identifier, ASCII 7->25 dropped 27 2 other malicious files 7->27 dropped 43 Creates an undocumented autostart registry key 7->43 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->45 47 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->47 11 IMG0000030_Pago_SWIFT.exe 7->11         started        14 IMG0000030_Pago_SWIFT.exe 15 2 7->14         started        17 powershell.exe 17 7->17         started        signatures5 process6 dnsIp7 49 May check the online IP address of the machine 11->49 51 Machine Learning detection for dropped file 11->51 29 mommerishere.sytes.net 154.118.104.87, 61537 SpectranetNG Nigeria 14->29 31 sommerishere.sytes.net 194.5.98.202, 49758, 49802, 49835 DANILENKODE Netherlands 14->31 33 ip-api.com 208.95.112.1, 49757, 80 TUT-ASUS United States 14->33 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->53 55 Deletes itself after installation 17->55 19 conhost.exe 17->19         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-10-15 18:43:07 UTC
AV detection:
10 of 27 (37.04%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hift3km3nrpyhc6q57wfgx3dlywrtuligsmb64t7cksfhg3bozwq._file
Verdict:
unknown
Similar samples:
36cab5247296638ca5b35c4fcf864a06452718f5bf8b72fa41a620a06d9d67f1
QuasarRAT
69e411368f9407c3c25b453792bd383fed96eb6bb6a7e9d0cf06d980add295c6
QuasarRAT
a8130d6e0367f83f68640720c35d12b339c1a84e371cff73524fcaa0fc62f44c
QuasarRAT
c28d812d61b0fd0a86fce89b6ad22f29c8ad6c6b37bc88a944a968e35649d766
QuasarRAT
c70fd6881722dd5ececd355c1b516021a3704a3c70fa5b0a12c9a6989922ca7d
QuasarRAT
cd6d3c992633caf027990050b5b94054d7e9148294f0297901abcb1a44b35a54
QuasarRAT
d4271b801339f70c67bd14850366b772a430b152803a33bc22a1d369b3a6e23f
QuasarRAT
d60c9957cdbed60b3f054a942fe9878d23283f6662d16888695adc5e7b3e951e
QuasarRAT
e22de3f4a2900f29ec488b042714ef75f0b0d51e9bf4a8e7e47f5cf9d7722521
QuasarRAT
+ 164 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:broc spyware trojan
Link:
https://tria.ge/reports/211015-xcx6fscafq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
sommerishere.sytes.net:61537
mommerishere.sytes.net:61537
Unpacked files
SH256 hash:
b07dec8c21a55a149fd25d5ea6e37ec668655ed3dc248a452af1ce7eb988ae86
MD5 hash:
6f5af1afc9542ab5e409f65498fe15d5
SHA1 hash:
9993436e6e52012d8fdf87f921b98f5d9107ce0a
Link:
https://www.unpac.me/results/4da31ef7-9195-4c48-bcbb-decbf6c04143/
SH256 hash:
3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d
MD5 hash:
3d7d4ced171a608319381205863c8789
SHA1 hash:
f4ec81158f766f5fed20b936637ae6db1bcca2c1
Link:
https://www.unpac.me/results/4da31ef7-9195-4c48-bcbb-decbf6c04143/
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/3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
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.

Malspam

QuasarRAT

Executable exe 3a0b3da99b6c5f838bd0efec535f635e2d19d16834981f727f12a4539b61766d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/197810/

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