MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4
SHA3-384 hash: 2ce05e0bf83fabfdf37d8722905a4c460db5eab27e1a168b297bbf5054da146bc8b3382bcda10e9ebd2c2db6b22ef79e
SHA1 hash: 4d614ebe84dfe5a5d7a576a2d9108dd18791416f
MD5 hash: 1e44cb58c487dbdecdeb626d40d52706
humanhash: apart-sixteen-east-lima
File name:1e44cb58c487dbdecdeb626d40d52706.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'048 bytes
First seen:2023-02-12 20:00:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:tTEgdc0YoX7IxUpGREWeg8ydTED5KhDkQfocExOb8F9EA1TPQGv/cTR3O:tTEgdfYtxUQSwDkBpL5/cdO
Threatray 2'397 similar samples on MalwareBazaar
TLSH T168B46C4063F8862BE1AF577AE871042597F4F407B2ABEF4F4A40A1F92D667069D80773
TrID 53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.5% (.SCR) Windows screen saver (13097/50/3)
7.6% (.EXE) Win64 Executable (generic) (10523/12/4)
4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
121.62.17.105:8848

Intelligence

File Origin
# of uploads :
1
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
1e44cb58c487dbdecdeb626d40d52706.exe
Verdict:
Malicious activity
Analysis date:
2023-02-12 20:01:29 UTC
Tags:
trojan rat quasar asyncrat
Link:
https://app.any.run/tasks/80b7f545-5308-4c88-b238-61367b8542c8

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/364600/
Detection(s):
Win.Malware.Bulz-9823462-0
Create hunting rule

Win.Malware.Generic-9883082-0
Create hunting rule

Win.Malware.Generic-9883083-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4
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:
Malicious
Link:
https://analyze.intezer.com/analyses/0dbec87b-a788-4ed9-a430-9c6b65473bba
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172773
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in 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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 805559 Sample: EmwfKOnkHW.exe Startdate: 12/02/2023 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 Multi AV Scanner detection for submitted file 2->38 40 4 other signatures 2->40 8 EmwfKOnkHW.exe 5 2->8         started        12 EmwfKOnkHW.exe 2 2->12         started        process3 file4 28 C:\Users\user\AppData\Roaming\...\xh_ty.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...mwfKOnkHW.exe.log, CSV 8->30 dropped 42 Uses schtasks.exe or at.exe to add and modify task schedules 8->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->44 14 xh_ty.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        20 HxTsr.exe 1 1 8->20         started        signatures5 process6 dnsIp7 32 121.62.17.105, 8848 CHINANET-BACKBONENo31Jin-rongStreetCN China 14->32 46 Antivirus detection for dropped file 14->46 48 Multi AV Scanner detection for dropped file 14->48 50 Machine Learning detection for dropped file 14->50 52 2 other signatures 14->52 22 schtasks.exe 1 14->22         started        24 conhost.exe 18->24         started        signatures8 process9 process10 26 conhost.exe 22->26         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2023-02-09 13:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 37 (83.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kqsqv24qzbt2tzhnpwxcwjxm6k6zb2brok67j5zcxgonp4m3g72a._file
Verdict:
malicious
Similar samples:
15a42865e3b9563b0162987d9ba85a18fe6f7befb28d39daed3277434347200f
QuasarRAT
2a530c0ce9e28ccef15ab536554c6e1174f33564d823e1cfcdb720c9771bb1cd
QuasarRAT
39bdcb0a0d32fc64451a18f340fa379cce0728360d1d4fad11fe91cf8e57754a
QuasarRAT
462f9fb435ede4892a1b4ffaadcb747825d2c361f6b153beee552ec295c48dc0
QuasarRAT
7d7fe5ce2f7924efa69717b37fbc5347686676628ac014d683dfa335803b74cb
QuasarRAT
+ 2'387 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:xh_ty spyware trojan
Link:
https://tria.ge/reports/230212-yrkpcagc25/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Looks up external IP address via web service
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
121.62.17.105:8848
Unpacked files
SH256 hash:
54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4
MD5 hash:
1e44cb58c487dbdecdeb626d40d52706
SHA1 hash:
4d614ebe84dfe5a5d7a576a2d9108dd18791416f
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/34a08cdc-6f09-47a0-a07e-40ab76c43d4d/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/54250aeb90c8/report/overview.html
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/54250aeb90c867a9e4ed7dae2b26ecf2bd90e83172bdf4f722b99cd7f19b37f4

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: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_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
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:pe_imphash
Create hunting rule
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 (Nextron Systems)
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.

Cape
Cape
https://www.capesandbox.com/analysis/364600/

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