MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
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SHA256 hash: d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754
SHA3-384 hash: 7c693ea25c314a5c9141457c136560b126d5d54b48d179951881968b55d1cd027df63bcc15ef5c38cb87d655c8d58c77
SHA1 hash: 33c94cc78d9c48c04bda301c6d24069ddab11c63
MD5 hash: 07d0c0de71b135af74f710585f13aa33
humanhash: timing-failed-fifteen-bravo
File name:07d0c0de71b135af74f710585f13aa33.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:675'328 bytes
First seen:2021-08-09 09:32:09 UTC
Last seen:2021-08-09 10:37:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0hIG3Kl8pyP6f+SJ41gVbOmV8NXelO7eA82U:qX3M36XJ4+0wtH2U
Threatray 113 similar samples on MalwareBazaar
TLSH T1FCE46A919EEFDECEC26F763FA04A0C8615DEC752029792D59F464E30B3812278D260E7
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 :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
07d0c0de71b135af74f710585f13aa33.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-09 09:36:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/481ff862-391d-4936-b3ad-e25606d2398f

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/177499/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.15273.5267.20058.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending a UDP request
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
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:
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/103e5eab-2003-4812-acf4-da1efa3aa7b5
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/829184
Signature
.NET source code contains potential unpacker
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)
May check the online IP address of the machine
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 461615 Sample: yjwVjkTFpI.exe Startdate: 09/08/2021 Architecture: WINDOWS Score: 100 39 50.16.238.218, 443, 49747, 49750 AMAZON-AESUS United States 2->39 41 50.16.239.65, 443, 49742 AMAZON-AESUS United States 2->41 43 6 other IPs or domains 2->43 67 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->67 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for submitted file 2->71 73 6 other signatures 2->73 7 yjwVjkTFpI.exe 1 7 2->7         started        11 NVA.exe 5 2->11         started        13 NVA.exe 2 2->13         started        signatures3 process4 file5 27 C:\Users\user\AppData\...\yjwVjkTFpI.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local29VA.exe, PE32 7->29 dropped 31 C:\Users\...\yjwVjkTFpI.exe:Zone.Identifier, ASCII 7->31 dropped 37 2 other malicious files 7->37 dropped 75 Writes to foreign memory regions 7->75 77 Injects a PE file into a foreign processes 7->77 15 yjwVjkTFpI.exe 15 2 7->15         started        33 C:\Users\user\AppData\Local\Temp33VA.exe, PE32 11->33 dropped 35 C:\Users\user\...35VA.exe:Zone.Identifier, ASCII 11->35 dropped 79 Multi AV Scanner detection for dropped file 11->79 19 NVA.exe 11->19         started        21 NVA.exe 13->21         started        23 NVA.exe 13->23         started        25 NVA.exe 13->25         started        signatures6 process7 dnsIp8 45 tools.keycdn.com 185.172.148.96, 443, 49713, 49729 PROINITYPROINITYDE Germany 15->45 47 societyf500.ddns.net 91.109.184.6, 49710, 49728, 49733 IELOIELOMainNetworkFR France 15->47 55 3 other IPs or domains 15->55 59 Multi AV Scanner detection for dropped file 15->59 61 May check the online IP address of the machine 15->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->63 49 nagano-19599.herokussl.com 19->49 51 api.ipify.org 19->51 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->65 53 50.16.246.238, 443, 49735 AMAZON-AESUS United States 21->53 57 2 other IPs or domains 21->57 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2021-08-09 09:12:59 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3f35qdbxgxpuoyp26xrx7d2ioszw2la5nkvhgh2og6zwzaj6k5ka._file
Verdict:
malicious
Similar samples:
004aa2f93dd0c4293f79b00218ff5c85fb99d15d5d6f13bdf6264011bf38dad5
QuasarRAT
1b7d7515f98891cf08164a7469bb9c9f3133e7834cfe99d55094594ca330e982
QuasarRAT
412b77a6a5c1b510f076d010e81749e9a13ebc9b33125d5caa764e78180a28a4
QuasarRAT
5c627ab23daa708e73eae534919c3f6494331df0dca30ab67047e0ec65182495
QuasarRAT
6aa2fe6952b62b82e1dfba07382351d3d29ba21838d7cc7ddaf131aa9ee445d0
QuasarRAT
92e66be0b7c24b96cfa89154c5ddf622ef8cfdf189fd7653c794ec03635f731c
QuasarRAT
a484efc646ba0e97435959b7f4e87cf9a716d69623b13bc490a41e140dd296b7
QuasarRAT
c0eee6869cb1d1b6c8309151b45795b8866f7171b365dc29f7610cf385264239
QuasarRAT
db7466bbf831febaf1b2e31c8bb3ddad1be83792f30392ef2c43394545ec9d81
QuasarRAT
+ 103 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04w persistence spyware suricata trojan
Link:
https://tria.ge/reports/210809-ld89gm3bc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Quasar Payload
Quasar RAT
suricata: ET MALWARE Observed Malicious SSL Cert (Quasar CnC)
Malware Config
C2 Extraction:
societyf500.ddns.net:5490
Unpacked files
SH256 hash:
c7d5fc08cc892e564f9af40ad4e13acb6868d63678905407f59ee1f67ff622fe
MD5 hash:
c15a1eb32fe580fb6d99b8468fc115be
SHA1 hash:
ed91171ace11668906353b1f4e8a5972e25e6791
Link:
https://www.unpac.me/results/a535fff1-e57c-4aa4-af30-ecf2ba3e3baf/
SH256 hash:
8cf6a7b913e716f665a595c3ec239cc43eb818c820ca3255355a73e1c1777750
MD5 hash:
0e5c92b04a97ab7861bad2952bcd840d
SHA1 hash:
9f7fe55e488d2a2a3155b72a64d7aaf1606ee244
Link:
https://www.unpac.me/results/a535fff1-e57c-4aa4-af30-ecf2ba3e3baf/
SH256 hash:
8c206e0be0bc5db24bd8de327d2acbea7626827e0bb3498954a9960065994c34
MD5 hash:
f36fd47c4b2a1588d6b54b5ccfb5236a
SHA1 hash:
5c9214a44da47b1d2eebe2c4cb4da98a90627582
Link:
https://www.unpac.me/results/a535fff1-e57c-4aa4-af30-ecf2ba3e3baf/
SH256 hash:
d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754
MD5 hash:
07d0c0de71b135af74f710585f13aa33
SHA1 hash:
33c94cc78d9c48c04bda301c6d24069ddab11c63
Link:
https://www.unpac.me/results/a535fff1-e57c-4aa4-af30-ecf2ba3e3baf/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d977d80c3735/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/d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754

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 d977d80c3735df4761faf5e37f8f4874b36d2c1d6aaa731f4e37b36c813e5754

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1392911/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/177499/

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