MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661
SHA3-384 hash: 4847f4f73f558826b4e4b8c06c1b9ef9dcff3c9a9488d92ddf48ea7a99b4bbf78c21a70bdbe1b7e40173ec5109aa43ae
SHA1 hash: 99fbb8be7f270400b4c49c943758f90f94a65ef5
MD5 hash: 39b139c752dbd05daa85f6183620febf
humanhash: north-three-music-mango
File name:39b139c752dbd05daa85f6183620febf
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'438'355 bytes
First seen:2021-07-09 06:40:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ae9f6a32bb8b03dce37903edbc855ba1 (28 x CryptOne, 18 x RedLineStealer, 15 x njrat)
ssdeep 98304:tKACDRolpsSRI4Nf5s8SVWDYT3vIwKzS13kh1hem+e:tcDKuSRIsBs/ADigpW10hXdp
Threatray 620 similar samples on MalwareBazaar
TLSH T171F5332279C04471C271687918EAB631A778BDB08B34DADF53F10A3D1A609E0967FF67
Reporter zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39b139c752dbd05daa85f6183620febf
Verdict:
Malicious activity
Analysis date:
2021-07-09 06:41:39 UTC
Tags:
evasion trojan rat quasar stealer
Link:
https://app.any.run/tasks/3c332b40-e59f-4149-a075-1cb98a0010b5

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/170614/
Detection(s):
Win.Malware.Qshell-9875653-0
Create hunting rule

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/3369c6ee-19a6-4487-97ab-c630206a06cb
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/813870
Signature
.NET source code references suspicious native API functions
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
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 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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Beds Obfuscator
Yara detected BrowsingHistoryView browser history reader tool
Yara detected Costura Assembly Loader
Yara detected MultiObfuscated
Yara detected Quasar RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 446281 Sample: 9Tct4fRkpW Startdate: 09/07/2021 Architecture: WINDOWS Score: 100 109 Multi AV Scanner detection for domain / URL 2->109 111 Found malware configuration 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 12 other signatures 2->115 12 9Tct4fRkpW.exe 11 2->12         started        15 1.exe 2->15         started        process3 file4 83 C:\Users\user\AppData\Local\Temp\...\2.exe, PE32 12->83 dropped 85 C:\Users\user\AppData\Local\Temp\...\1.exe, PE32 12->85 dropped 17 cmd.exe 1 12->17         started        process5 process6 19 2.exe 5 17->19         started        23 1.exe 15 5 17->23         started        26 conhost.exe 17->26         started        dnsIp7 79 C:\Users\user\AppData\...\RtkBtManServ.exe, PE32 19->79 dropped 117 Antivirus detection for dropped file 19->117 119 Multi AV Scanner detection for dropped file 19->119 121 Detected unpacking (changes PE section rights) 19->121 123 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 19->123 28 RtkBtManServ.exe 17 44 19->28         started        95 ip-api.com 208.95.112.1, 49721, 49726, 80 TUT-ASUS United States 23->95 81 C:\Users\user\AppData\...\System32.exe, PE32 23->81 dropped 125 May check the online IP address of the machine 23->125 127 Machine Learning detection for dropped file 23->127 129 Uses schtasks.exe or at.exe to add and modify task schedules 23->129 131 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->131 33 System32.exe 14 4 23->33         started        35 schtasks.exe 1 23->35         started        file8 signatures9 process10 dnsIp11 99 itroublvehacker.gq 28->99 101 api64.ipify.org 108.171.202.195, 443, 49734 WEBNXUS United States 28->101 107 2 other IPs or domains 28->107 87 C:\Users\user\AppData\Local\...\xwizard.exe, PE32 28->87 dropped 89 C:\Users\user\AppData\Local\...\winhlp32.exe, PE32 28->89 dropped 91 C:\Users\user\AppData\Local\...\snuvcdsm.exe, PE32 28->91 dropped 93 5 other files (2 malicious) 28->93 dropped 137 Multi AV Scanner detection for dropped file 28->137 139 May check the online IP address of the machine 28->139 141 Machine Learning detection for dropped file 28->141 37 wscript.exe 28->37         started        39 wscript.exe 28->39         started        41 wscript.exe 28->41         started        43 cmd.exe 28->43         started        103 184.105.238.80, 4782, 49727 PAPERSPACEUS United States 33->103 105 ip-api.com 33->105 143 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 33->143 145 Hides that the sample has been downloaded from the Internet (zone.identifier) 33->145 147 Installs a global keyboard hook 33->147 45 schtasks.exe 33->45         started        47 conhost.exe 35->47         started        file12 signatures13 process14 process15 49 cmd.exe 37->49         started        51 cmd.exe 39->51         started        53 cmd.exe 41->53         started        55 conhost.exe 45->55         started        process16 57 snuvcdsm.exe 49->57         started        61 conhost.exe 49->61         started        63 winhlp32.exe 51->63         started        65 conhost.exe 51->65         started        67 splwow64.exe 51->67         started        69 hh.exe 51->69         started        71 xwizard.exe 53->71         started        73 conhost.exe 53->73         started        dnsIp17 97 192.168.2.1 unknown unknown 57->97 133 Multi AV Scanner detection for dropped file 57->133 135 Tries to harvest and steal browser information (history, passwords, etc) 57->135 75 conhost.exe 65->75         started        77 choice.exe 65->77         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-07-08 05:46:07 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
1f8dd197b62c9f620d9edf72be1e4154a5fc9c847eee5e68a2382f0a9613fb79
QuasarRAT
588eb55b57e118fbee66a6d0586de453ea4e0ae1a781c73e1bbe10e8e24641fc
QuasarRAT
5c711e224f09cfe6b651f58e3a075c54e7ad2d3a677cc71835bc37d8f21ad4b2
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749cf44e03a021f01f3604fd54781103ab897a69db71229f9319888be7a8bcd2
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8fcf4d1528f2945b751c3d9035e17f7143fdbc94ef687f5c9e4e35d892c5922b
QuasarRAT
921e1f36b6d09d92497e9cbb88491d84d9f067f278e9ad442110b76dc9636196
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a4e79d826cc13a421a5b3b785413d92254992bceb6d392c72de16b61653b346f
QuasarRAT
b23274e47a003476681da8925f2c15ff1c7ef988cabf76dbf1e5799a914a3ab1
QuasarRAT
ba9fd12aa57da28572f82eb2010a44b89a9cc1c9738f801fec02f44857163b8f
QuasarRAT
f0e8b7f7e23ca59f8913b7507c420abe3f81bbfd48a0b78531ff28ecb78a916f
QuasarRAT
+ 610 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:sys32 spyware stealer trojan upx
Link:
https://tria.ge/reports/210709-m4fbrzbksa/
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies system certificate store
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
NirSoft WebBrowserPassView
Nirsoft
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
184.105.238.80:4782
Unpacked files
SH256 hash:
dd477dc23afb4c2e58387a49c671325d98d2cde53889168d36ed01665f088875
MD5 hash:
7f6ed4cfd10606f1983b7fe5b5b1b7dc
SHA1 hash:
49a9e415697f29ad218f38aa494af03cfd7c71b5
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
d7c4e85aa1e84f68028ca9c889065aa7680fbf77bb65b987592c6e3bd4616961
MD5 hash:
e6de533799250d5ca37c8614025e4bed
SHA1 hash:
06f9cd8a6a77b9fe52ea8c2a69724a2ba144bdc8
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
SH256 hash:
f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe
MD5 hash:
053778713819beab3df309df472787cd
SHA1 hash:
99c7b5827df89b4fafc2b565abed97c58a3c65b8
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
SH256 hash:
3685bc9f3014a7de5d8ad87ecf464d33ee2fb583c657c665e8d753fdd53bcbe1
MD5 hash:
84f94c90716bb797872affbab6670d4f
SHA1 hash:
5555c2c1577c323b91473911f89655d9d436d461
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
Parent samples :
c1b33d9ce977f2a7c8577c0b88a45b5bd309f7cc73d5f68151d5d4e5aa10a523
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
0f67f24f04c5b2b70ea17aff9311547cd51a7951c5701989ef821e41b47b0ea3
6597d0a917f2def35809cfcffd7c9098bc7e97eb62d35fb74486344208faf61a
660fbba89f4b2c211f4d6f2a83b270f7f72fed23a6fa59889e3bb40c3b157568
715bb47c2a60942db2cebe81a02e8a8e86b2e6cfc42bde9ed2f19e20b9dd4498
9ea62e79472c5ed05b81d2d98db61b28af2d8f1076b9055b853cd8a4c08f0415
3208513da212e3a87c66a370ff805cd8378bd981c2966e9aba5453d4763f2fa9
b3a49ed46957bea9b6fa46b6f67445bc6e8885ae200c811a4b038d939b369aac
b42e97c12a39ea8ce7d889b1487f497de27a49549467fa8dbf9d8ac9cca9e8cc
53ab4a93b93223968cf2e71ea8070ba2d7e1a9010d21d41e25100e2b6ab516d9
f76953c27b5c17dd1f1e7d1ee6d856d0060e6e37e16bcd7d32779c0790dd70ac
6d4fb83b5966976cfe57514f46f758c47e3eae04d1effdaa21039dbc92d344a7
SH256 hash:
d0961fd9c6a9b619eba8b0812e99b81ea6f008c658e73719044e45732d415b52
MD5 hash:
0b1a0414dea072f72b851d9283cd1267
SHA1 hash:
2797048327085f239a270dd728b861d91991c324
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
SH256 hash:
67bdfbca635730edfe3af3d0ccfcba22e93bf0b87edc0f587ecfb325c8e89dd3
MD5 hash:
938952fcf69d7bcf3f8f5712e075cb89
SHA1 hash:
173e26903d404b592654ff449a483bd880074971
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
Parent samples :
c1b33d9ce977f2a7c8577c0b88a45b5bd309f7cc73d5f68151d5d4e5aa10a523
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
SH256 hash:
deb1246347ce88e8cdd63a233a64bc2090b839f2d933a3097a2fd8fd913c4112
MD5 hash:
df991217f1cfadd9acfa56f878da5ee7
SHA1 hash:
0b03b34cfb2985a840db279778ca828e69813116
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
Parent samples :
7697bddee02bf680693692309514c70a8bb30c70131ba9decaeb9d14cae6e1c5
8c8b9aee1ff113dc4de14fd7e45d8d250c483ba9bfc558cc24bdf777bbaa176f
6d4fb83b5966976cfe57514f46f758c47e3eae04d1effdaa21039dbc92d344a7
SH256 hash:
b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661
MD5 hash:
39b139c752dbd05daa85f6183620febf
SHA1 hash:
99fbb8be7f270400b4c49c943758f90f94a65ef5
Link:
https://www.unpac.me/results/cf95ad23-afd5-48aa-bc33-93aba9a6082a/
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/b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661

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:Glasses
Create hunting rule
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Create hunting rule
Author:Seth Hardy
Description:Glasses code features

File information

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

Web download

QuasarRAT

Executable exe b43995d648b6e64824da5749a407029eae9feb84787266a4dae33f4c412ec661

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1438142/
Cape
Cape
https://www.capesandbox.com/analysis/170614/

Comments


Avatar
zbet commented on 2021-07-09 06:40:28 UTC

url : hxxp://184.105.238.80/litoke.exe