MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524
SHA3-384 hash: 92ce3175dfaf2361888d7fde455cc376af01e7d0d4fb2787f2b27faf7d7e063f374bf68a7b98f9e6c5bd501be0248a9e
SHA1 hash: 815d3f4eb2029ec80408bea43fb1e1febadadaf6
MD5 hash: a4e04fcc301833211359e575150cc7cc
humanhash: echo-uncle-king-avocado
File name:a4e04fcc301833211359e575150cc7cc.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:671'744 bytes
First seen:2021-08-08 06:28:34 UTC
Last seen:2021-08-08 08:05:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:k5bTxmvjcBEEnpMuWtlVQOGKxWd1zmFCWNshg78cBhjr2JWH3Qx02U:6bTxmvjanpRy2K8d1zmI4shgP5rxHgxQ
Threatray 110 similar samples on MalwareBazaar
TLSH T119E469808EEFCEDEC2AF627FA44A0C9255DED342074792E58F165E30B3845639D261E7
dhash icon 0cd2c1c4d0c1f20c (18 x AsyncRAT, 9 x QuasarRAT, 8 x RedLineStealer)
Reporter abuse_ch
Tags:exe QuasarRAT RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4e04fcc301833211359e575150cc7cc.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-08 06:30:12 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cb94b96a-87f2-4fb8-ac6d-02b2a5734e27

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/177223/
Detection(s):
SecuriteInfo.com.Backdoor.Quasar.128.28881.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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.
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e1b3cf64-5103-49cb-ba38-02b14f4e3edd
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828743
Signature
.NET source code contains potential unpacker
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
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 461174 Sample: btLiVuFgOu.exe Startdate: 08/08/2021 Architecture: WINDOWS Score: 100 35 societyf500.ddns.net 2->35 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 6 other signatures 2->49 7 btLiVuFgOu.exe 1 7 2->7         started        11 NVA.exe 5 2->11         started        13 NVA.exe 2 2->13         started        signatures3 process4 file5 23 C:\Users\user\AppData\...\btLiVuFgOu.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local25VA.exe, PE32 7->25 dropped 27 C:\Users\...\btLiVuFgOu.exe:Zone.Identifier, ASCII 7->27 dropped 33 2 other malicious files 7->33 dropped 51 Writes to foreign memory regions 7->51 53 Injects a PE file into a foreign processes 7->53 15 btLiVuFgOu.exe 2 7->15         started        29 C:\Users\user\AppData\Local\Temp29VA.exe, PE32 11->29 dropped 31 C:\Users\user\...31VA.exe:Zone.Identifier, ASCII 11->31 dropped 55 Multi AV Scanner detection for dropped file 11->55 19 NVA.exe 2 11->19         started        21 NVA.exe 13->21         started        signatures6 process7 dnsIp8 37 societyf500.ddns.net 91.109.190.2, 49718, 49719, 49722 IELOIELOMainNetworkFR France 15->37 39 Multi AV Scanner detection for dropped file 15->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-08 06:29:08 UTC
AV detection:
12 of 47 (25.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2lj7df5bhportialycrodxqxatzramkc24r3bjvavnjcvif5iusa._file
Verdict:
malicious
Similar samples:
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
QuasarRAT
6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0
QuasarRAT
7bfa1a2593f74120d8f9ad1cdae68a06f22c86fdcc58eb9ecb3471b500330867
QuasarRAT
92e66be0b7c24b96cfa89154c5ddf622ef8cfdf189fd7653c794ec03635f731c
QuasarRAT
a484efc646ba0e97435959b7f4e87cf9a716d69623b13bc490a41e140dd296b7
QuasarRAT
c0eee6869cb1d1b6c8309151b45795b8866f7171b365dc29f7610cf385264239
QuasarRAT
db7466bbf831febaf1b2e31c8bb3ddad1be83792f30392ef2c43394545ec9d81
QuasarRAT
e5daabcee417a3138938c563a3bb420cf9817cac24ec380b7fbe00614aaa8e9a
QuasarRAT
+ 100 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04w persistence spyware trojan
Link:
https://tria.ge/reports/210808-6vrptdcnka/
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:
societyf500.ddns.net:5490
Unpacked files
SH256 hash:
8cf6a7b913e716f665a595c3ec239cc43eb818c820ca3255355a73e1c1777750
MD5 hash:
0e5c92b04a97ab7861bad2952bcd840d
SHA1 hash:
9f7fe55e488d2a2a3155b72a64d7aaf1606ee244
Link:
https://www.unpac.me/results/f4e4db23-e130-41b8-96cd-beea2316942d/
SH256 hash:
4ef102ba6162d5bf1e86fbd3fc5a1932fd3644a1d62bb50dc0359eea7da949d7
MD5 hash:
1dfad326f5347e89d1692aae6da10e77
SHA1 hash:
5965231cd2c4bbe088e8e24660ae8f0b0b0f98c8
Link:
https://www.unpac.me/results/f4e4db23-e130-41b8-96cd-beea2316942d/
SH256 hash:
ae94ebdca5319d50e80711455cf9ecd160722c9e596e76649d76887dbb6a7ec4
MD5 hash:
a79b7f02a6096d274a2ac440b8cfd80e
SHA1 hash:
2603945863060280e9c70ddcf2668fa1e0909e11
Link:
https://www.unpac.me/results/f4e4db23-e130-41b8-96cd-beea2316942d/
SH256 hash:
d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524
MD5 hash:
a4e04fcc301833211359e575150cc7cc
SHA1 hash:
815d3f4eb2029ec80408bea43fb1e1febadadaf6
Link:
https://www.unpac.me/results/f4e4db23-e130-41b8-96cd-beea2316942d/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d2d3f197a13b/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/d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524

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_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
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:pe_imphash
Create hunting rule
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
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 d2d3f197a13bdd19a00bc0a2e1de1704f3103142d723b0a6a0ab522aa0bd4524

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1392911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/177223/

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