MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4. 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: 412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4
SHA3-384 hash: eda07e69f27f52d4da00ce80618b1993c766685fe23421b459be74ac8b91e6ce460a9044be00f6084bad9aebdbc722f3
SHA1 hash: f09f8f3bd0e3d178784285876534a0d20ccae315
MD5 hash: d39b0a5172ce5ba7af0c45356e4c92a4
humanhash: lion-bluebird-neptune-lactose
File name:d39b0a5172ce5ba7af0c45356e4c92a4.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:689'664 bytes
First seen:2021-06-29 19:34:12 UTC
Last seen:2021-06-29 20:43:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PVgxdqEvBf692ILAbBS72BBQWd6wf7FwLlctLhkTf6Ux+fY1l31q:Ngxd/BikI+BuWddJwLKh4f6Uxp1l31q
Threatray 69 similar samples on MalwareBazaar
TLSH 2CE47A908EEFCEDEC26F723FA41A1C8214CEC752475792E5AB4A4D35B3801278D665E3
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
175
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d39b0a5172ce5ba7af0c45356e4c92a4.exe
Verdict:
Malicious activity
Analysis date:
2021-06-29 19:41:36 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/fac8fe98-bff2-4ea1-bfd9-6ae73e741dd5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/168826/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.13379.29107.16722.UNOFFICIAL
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c8998eeb-b045-44d6-8a30-6a037b993a85
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/809643
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 442060 Sample: 1X3B8t4eLL.exe Startdate: 29/06/2021 Architecture: WINDOWS Score: 100 56 societyf500.ddns.net 2->56 58 con.microgent.ru 2->58 66 Multi AV Scanner detection for domain / URL 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 7 other signatures 2->72 9 1X3B8t4eLL.exe 1 7 2->9         started        13 NVC.exe 5 2->13         started        15 NVC.exe 2 2->15         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\1X3B8t4eLL.exe, PE32 9->38 dropped 40 C:\Users\user\AppData\Local40VC.exe, PE32 9->40 dropped 42 C:\Users\...\1X3B8t4eLL.exe:Zone.Identifier, ASCII 9->42 dropped 48 2 other malicious files 9->48 dropped 74 Writes to foreign memory regions 9->74 76 Injects a PE file into a foreign processes 9->76 17 1X3B8t4eLL.exe 2 9->17         started        44 C:\Users\user\AppData\Local\Temp44VC.exe, PE32 13->44 dropped 46 C:\Users\user\...46VC.exe:Zone.Identifier, ASCII 13->46 dropped 78 Multi AV Scanner detection for dropped file 13->78 80 Machine Learning detection for dropped file 13->80 21 NVC.exe 13->21         started        23 NVC.exe 2 13->23         started        25 NVC.exe 15->25         started        signatures6 process7 dnsIp8 50 con.microgent.ru 195.133.40.220, 49732, 49735, 49737 SPD-NETTR Russian Federation 17->50 52 societyf500.ddns.net 91.109.190.2, 49734, 49736, 49738 IELOIELOMainNetworkFR France 17->52 60 Multi AV Scanner detection for dropped file 17->60 62 Machine Learning detection for dropped file 17->62 54 192.168.2.1 unknown unknown 23->54 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->64 27 cmd.exe 25->27         started        signatures9 process10 signatures11 82 Uses ping.exe to sleep 27->82 84 Uses ping.exe to check the status of other devices and networks 27->84 30 conhost.exe 27->30         started        32 chcp.com 27->32         started        34 PING.EXE 27->34         started        36 NVC.exe 27->36         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Create hunting rule
Status:
Malicious
First seen:
2021-06-29 14:18:37 UTC
AV detection:
15 of 29 (51.72%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ievxpjvfyg2rb4dw2aioqf2j5gqt5pe3gmjf2xfkozhhqgakfcsa._file
Verdict:
malicious
Similar samples:
04d4ebdb690749b84d74422ccbb583acc3180cbe3eb280b9ece53ef5eb3b3abf
QuasarRAT
06b4062db19ac0017c3f0e32f27559a48aa9c7305f110c3b8485d5faa62d6814
QuasarRAT
1230b290a583361b44a14b0ebf16925f07d7d6ed0d58ecae0bdd2419903d27b0
QuasarRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
QuasarRAT
2ba6b9466236aa43a839e4b4c9365dd730cb37ca2ddb009be0f2bcbced0e6d88
QuasarRAT
3bdfd4cd7aacdefa4ab159a25b056056fd011b9ad60fc2166adbb41c5610b044
QuasarRAT
585e4146923404bbe11c2cf5a423e2650a5d133541e9baeacb64a4d675f6484d
QuasarRAT
85e13a72f67635d8590b1952332a37371f5f06400cedd60cd8c85415a051c031
QuasarRAT
8be3c7231a1d547531c3e669d380fd00b5b3e773da201b34bed04810062329c0
QuasarRAT
a0a941db02eb3b60ac61954c236a11f4470697234f30f119236663b676efc157
QuasarRAT
+ 59 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:cpu persistence spyware trojan
Link:
https://tria.ge/reports/210629-8gveeh298j/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Quasar Payload
Quasar RAT
Malware Config
C2 Extraction:
con.microgent.ru:5590
societyf500.ddns.net:5590
Unpacked files
SH256 hash:
8b866741234236faf6c85eec55de4fa6b0a078b0e1d8cca4f31ca9355ab7433c
MD5 hash:
a15509b524af93da8ecf3c34d4d64938
SHA1 hash:
fdcd6175918c3037da25f14a47b1d5774da5fdbc
Link:
https://www.unpac.me/results/ebeb772b-02ad-4874-9ebb-7d847e5d5575/
SH256 hash:
b653d41771b6f3412667f819003588dde52b750fceb1bba73b2b80c0169f20f8
MD5 hash:
16d85ff275692a30925dede7e86892d5
SHA1 hash:
d4dec1d494d2694ee476528c31f4571951b168ea
Link:
https://www.unpac.me/results/ebeb772b-02ad-4874-9ebb-7d847e5d5575/
SH256 hash:
03d8be19e3d6bbd33c1e3f425a7565287559018086405df4210958f7f3d77845
MD5 hash:
d4ec47eab429ec2ecd4e46efec0e77bc
SHA1 hash:
c2598daa2ffbb4ebc55492d99b360e97f4709031
Link:
https://www.unpac.me/results/ebeb772b-02ad-4874-9ebb-7d847e5d5575/
SH256 hash:
412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4
MD5 hash:
d39b0a5172ce5ba7af0c45356e4c92a4
SHA1 hash:
f09f8f3bd0e3d178784285876534a0d20ccae315
Link:
https://www.unpac.me/results/ebeb772b-02ad-4874-9ebb-7d847e5d5575/
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/412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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:pe_imphash
Create hunting rule
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Skystars_Malware_Imphash
Create hunting rule
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/

File information

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

Web download

QuasarRAT

Executable exe 412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1394285/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/168826/

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