MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c. 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
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SHA256 hash: f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c
SHA3-384 hash: dd2837cc44c818cd7a61fea39aaf504b36e05ca1fd8a637f5d4685bc0bf2e945849c27a879dac92b86dae2d8251cec59
SHA1 hash: becd8d9257efa5df71f3a49edb5ea07da0511755
MD5 hash: ce7d806c0c013d7a322071cb5e9d3ab7
humanhash: uniform-sixteen-four-mountain
File name:Pago.exe
Download: download sample
Signature QuasarRAT
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File size:1'324'940 bytes
First seen:2022-11-23 08:07:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b4070734502a100c8f90bbd445995533 (11 x CryptOne, 5 x DCRat, 2 x njrat)
ssdeep 24576:rGHCm8uPdJAg804Aa24gOYtHzl0GXtiHpH1uYIq3U/l5MHTU:quWpZt51oJklCzU
TLSH T1AC551201FAC284F2D562293259259B21B5F879307B75CDCB63840659B9FF2C0AE3CF62
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b464ccd0f0e8dcc0 (1 x NetWire, 1 x RemcosRAT, 1 x Formbook)
Reporter Anonymous
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
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ID:
1
File name:
Pago.exe
Verdict:
Malicious activity
Analysis date:
2022-11-23 08:10:35 UTC
Tags:
evasion trojan quasar
Link:
https://app.any.run/tasks/40a4df25-1094-40de-be64-67553518d027

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/337501/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.499.423.467.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% directory
Running batch commands
Creating a process from a recently created file
Sending a custom TCP request
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware overlay packed setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/637dd4e201e2438071a3d734/reports/2bcf0a22-f659-488c-82ef-07595ecc3fb2/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/298558b7-49dd-4dcd-a329-806b95c7d464
Result
Threat name:
Quasar
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1119514
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)
Machine Learning detection for dropped file
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
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 752231 Sample: Pago.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 5 other signatures 2->64 12 Pago.exe 8 2->12         started        15 xvxfd.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\Roaming\xvxfd.sfx.exe, PE32 12->52 dropped 17 cmd.exe 1 12->17         started        19 xvxfd.exe 2 15->19         started        process5 dnsIp6 23 xvxfd.sfx.exe 7 17->23         started        27 conhost.exe 17->27         started        56 ip-api.com 19->56 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->68 signatures7 process8 file9 50 C:\Users\user\AppData\Roaming\xvxfd.exe, PE32 23->50 dropped 72 Multi AV Scanner detection for dropped file 23->72 29 xvxfd.exe 1 23->29         started        signatures10 process11 signatures12 74 May check the online IP address of the machine 29->74 76 Machine Learning detection for dropped file 29->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 29->78 32 xvxfd.exe 15 4 29->32         started        process13 dnsIp14 54 ip-api.com 208.95.112.1, 49700, 49701, 80 TUT-ASUS United States 32->54 48 C:\Users\user\AppData\Roaming\yilk\yors.exe, PE32 32->48 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 32->66 37 yors.exe 1 32->37         started        40 schtasks.exe 1 32->40         started        file15 signatures16 process17 signatures18 70 Machine Learning detection for dropped file 37->70 42 yors.exe 37->42         started        44 conhost.exe 40->44         started        process19 process20 46 WerFault.exe 42->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c/
Threat name:
Win32.Trojan.Uztuby
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Status:
Malicious
First seen:
2022-11-23 08:02:03 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
10 of 40 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6r724nutpwv3dslqtbmb323wgavrb5nl353zofrgqe65cwfpgqoa._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:yop spyware trojan
Link:
https://tria.ge/reports/221123-j1jq3sbf7z/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
835f1fd86f9c1a160dced99e2a65dad4c50cf4ade1e81a311472dd3c3053ed90
MD5 hash:
f77aacc9275dd671a082ce29f24b9231
SHA1 hash:
c748368e9cb6cf5753665c94e2f25154f6493d84
Link:
https://www.unpac.me/results/680b1a45-8d50-4639-ac55-522ae824bf3f/
SH256 hash:
69e674ade02d332c424c8cd8097fa26efecee00293f9e3b970577c4450f77d30
MD5 hash:
82cf650bd4675e63bc0b356a6e2fc9b8
SHA1 hash:
4229f324a08794ebc0cfc11326715e6ba481c67d
Link:
https://www.unpac.me/results/680b1a45-8d50-4639-ac55-522ae824bf3f/
SH256 hash:
f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c
MD5 hash:
ce7d806c0c013d7a322071cb5e9d3ab7
SHA1 hash:
becd8d9257efa5df71f3a49edb5ea07da0511755
Link:
https://www.unpac.me/results/680b1a45-8d50-4639-ac55-522ae824bf3f/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f47fae36937d/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/f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c

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
Create hunting rule
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
Create hunting rule
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_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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:Quasar_RAT_1
Create hunting rule
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
Create hunting rule
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
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:sfx_pdb
Create hunting rule
Author:@razvialex
Description:Detect interesting files containing sfx with pdb paths.
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
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
Create hunting rule
Author:Elastic Security
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Create hunting rule
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.

Malspam

QuasarRAT

Executable exe f47fae36937dabb1c97098581deb76302b10f5abdf77971626813dd158af341c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/337501/

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