MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be
SHA3-384 hash: 8ea3e94bfe4565d275f8d3755760b32a8270c5c4ab3a0c3cf5a2dc0eb1b7704cd25051ae245169acd402998eaca32922
SHA1 hash: 8eba6f0a8233a3d61c0d22767e0e5ff2357d2937
MD5 hash: 5d5b3c352587d51f841b0d4f8387cb07
humanhash: july-aspen-timing-one
File name:5d5b3c352587d51f841b0d4f8387cb07.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:858'624 bytes
First seen:2020-12-03 17:23:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5479775c1d012f10601477c1237fe7d4 (6 x QuasarRAT, 2 x BitRAT, 1 x RevCodeRAT)
ssdeep 12288:4swVfxnn7TrbXNeOa7sYAUAwuaMpKsWwy/bR/Lnl4+rEYs10rRVDSio4V3lGIUYd:4NJDXIOaHsqMAjr2XjwF/Aj9k
Threatray 146 similar samples on MalwareBazaar
TLSH DD05B02FE2B05837C0631A398D0BD7AB5D25BE136B28A8862BF41D4CBF3D6517935193
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
yz.videomarket.eu:1972 (185.157.162.81)

Intelligence

File Origin
# of uploads :
1
# of downloads :
202
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106646/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

SecuriteInfo.com.BackDoor.Quasar.124.18597.2139.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/554955
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
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)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 326576 Sample: qdnLoWn1E8.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 35 yz.videomarket.eu 2->35 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Quasar RAT 2->45 47 4 other signatures 2->47 9 qdnLoWn1E8.exe 2->9         started        12 wscript.exe 1 2->12         started        signatures3 process4 signatures5 57 Writes to foreign memory regions 9->57 59 Allocates memory in foreign processes 9->59 61 Queues an APC in another process (thread injection) 9->61 63 Contains functionality to detect sleep reduction / modifications 9->63 14 notepad.exe 5 9->14         started        18 jqft.exe 12->18         started        process6 file7 29 C:\Users\user\AppData\Roaming\lktq\jqft.exe, PE32 14->29 dropped 31 C:\Users\user\...\jqft.exe:Zone.Identifier, ASCII 14->31 dropped 33 C:\Users\user\AppData\Roaming\...\wqbb.vbs, ASCII 14->33 dropped 69 Creates files in alternative data streams (ADS) 14->69 71 Drops VBS files to the startup folder 14->71 20 jqft.exe 14->20         started        73 Maps a DLL or memory area into another process 18->73 23 jqft.exe 3 18->23         started        signatures8 process9 signatures10 49 Multi AV Scanner detection for dropped file 20->49 51 Detected unpacking (changes PE section rights) 20->51 53 Detected unpacking (creates a PE file in dynamic memory) 20->53 55 4 other signatures 20->55 25 jqft.exe 15 4 20->25         started        process11 dnsIp12 37 ip-api.com 208.95.112.1, 49718, 80 TUT-ASUS United States 25->37 39 yz.videomarket.eu 185.157.162.81, 1972, 49720, 49725 OBE-EUROPEObenetworkEuropeSE Sweden 25->39 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->65 67 Installs a global keyboard hook 25->67 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be/
Threat name:
Win32.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 14:43:08 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=oiczvtsidcvljzcpe7aiwfurjr3t7g4ruxnrjsej62ukre7ac27a._file
Verdict:
malicious
Similar samples:
025432a99764f95f01790ed77271c9f52c44bd6f08763d4ea77b81afbcad6485
QuasarRAT
06749098537b1e1e031e5d568e5e6d3f0bd89ca921953909b42c271b0a3fe5f0
QuasarRAT
092223938bed5fec479602f4bf2cb0fd28dd628e8754714047b0b7939cd2e298
QuasarRAT
23ed6ef7aec39fbc37b613e5ad3611a84ba1facc92489ed818dcc72bee129022
QuasarRAT
2801e23864a2d65490e0ef7663d0d0e4292242f84d8368f0cdeefa868c375521
QuasarRAT
99a6c8e156dba4fda6e2b6ca0802cc08d49556b489e97618e565768329521413
QuasarRAT
b31fb3832c2f366796fcc9165c60c58da5c866973377ab0d43f71586c461b8fb
QuasarRAT
b7823b23e2ef21045e77a01f2f34f86f387a607f4c1d949571c01c1fcdfd7fa1
QuasarRAT
d478602bac8b8f334f06644dd92fbe60cbba6815ced96503c7aab4df6f305e77
QuasarRAT
fec56ffb3c5a61bffba235044da127eae17d9772dbd3817b8a5ce8cad0e93cb1
QuasarRAT
+ 136 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar spyware trojan upx
Link:
https://tria.ge/reports/201203-z17s89ng6n/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
Executes dropped EXE
UPX packed file
Quasar RAT
Unpacked files
SH256 hash:
72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be
MD5 hash:
5d5b3c352587d51f841b0d4f8387cb07
SHA1 hash:
8eba6f0a8233a3d61c0d22767e0e5ff2357d2937
Link:
https://www.unpac.me/results/396c615c-df02-4fd8-9dfb-c5f39607facb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
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:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
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:MSILStealer
Create hunting rule
Author:https://github.com/hwvs
Description:Detects strings from C#/VB Stealers and QuasarRat
Reference:https://github.com/quasar/QuasarRAT
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
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_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:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
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:xRAT_1
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.

Web download

QuasarRAT

Executable exe 72059ace4818aab4e44f27c08b16914c773f9b91a5db14c889f6a8a893e016be

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/885936/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/106646/

Comments