MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8bac0ee2a1a7858211a41dfe6a7acada857da2550c4ac3223a240dfdc3089099. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8bac0ee2a1a7858211a41dfe6a7acada857da2550c4ac3223a240dfdc3089099
SHA3-384 hash: 644c8e5cd9105a098f3cf4c0ed07e0f912b58d6296c7e03ac653debdb529e6fe8edfe8a560d108ab81bc1beafdfb19c9
SHA1 hash: 5f289704e197c9e9065bf0f77080d1b0f63231cc
MD5 hash: cb09d0546bb3c01197db2cb74921d20c
humanhash: skylark-green-oscar-connecticut
File name:SecuriteInfo.com.W32.AIDetectNet.01.32269.29634
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:982'016 bytes
First seen:2022-07-15 05:35:49 UTC
Last seen:2024-07-24 18:41:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:ZwsEp6GfPkaUJ3Bh5eUijTaX/XETT1GFlvki1I2fPfC05:rEXBUvhQ0Pm18vkaIM
TLSH T16325F1CD761072EEC857C035DAA95CB8B6546CBF831B510790173EABBD7D886DF280A2
TrID 30.2% (.EXE) Win64 Executable (generic) (10523/12/4)
18.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
14.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.9% (.EXE) Win32 Executable (generic) (4505/5/1)
5.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 78c0db4cea7aa0fc (33 x AveMariaRAT, 23 x QuasarRAT, 1 x Loki)
Reporter SecuriteInfoCom
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W32.AIDetectNet.01.32269.29634
Verdict:
Malicious activity
Analysis date:
2022-07-15 05:49:15 UTC
Tags:
evasion trojan
Link:
https://app.any.run/tasks/d8456efe-94a0-4b21-88ea-386c7a165154

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/289414/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.32269.29634.UNOFFICIAL
Create hunting rule

PUA.Win.Packed.ConfuserEx-6391397-0
Create hunting rule

PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
confuserex packed
Link:
https://www.filescan.io/uploads/62d0fd020f510051d9f34ba9/reports/38fa5970-78a1-45bf-9c85-077cb6c54b08/overview
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/f89bb301-6acd-46ee-9a2b-cfe17755bb12
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1032197
Signature
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Snort IDS alert for network traffic
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: 664692 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 15/07/2022 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 9 other signatures 2->56 10 SecuriteInfo.com.W32.AIDetectNet.01.32269.exe 1 2->10         started        14 SecuriteInfo.com.W32.AIDetectNet.01.32269.exe 2->14         started        process3 file4 40 SecuriteInfo.com.W...et.01.32269.exe.log, ASCII 10->40 dropped 68 Detected unpacking (changes PE section rights) 10->68 70 May check the online IP address of the machine 10->70 72 Uses schtasks.exe or at.exe to add and modify task schedules 10->72 16 SecuriteInfo.com.W32.AIDetectNet.01.32269.exe 15 4 10->16         started        74 Injects a PE file into a foreign processes 14->74 21 SecuriteInfo.com.W32.AIDetectNet.01.32269.exe 2 14->21         started        signatures5 process6 dnsIp7 42 ip-api.com 208.95.112.1, 49758, 49770, 80 TUT-ASUS United States 16->42 44 192.168.2.1 unknown unknown 16->44 38 C:\Users\user\AppData\Roaming\silk\ccre.exe, PE32 16->38 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->58 23 ccre.exe 1 16->23         started        26 schtasks.exe 1 16->26         started        file8 signatures9 process10 signatures11 60 Multi AV Scanner detection for dropped file 23->60 62 Detected unpacking (changes PE section rights) 23->62 64 May check the online IP address of the machine 23->64 66 3 other signatures 23->66 28 ccre.exe 14 2 23->28         started        32 conhost.exe 26->32         started        process12 dnsIp13 46 dnuocc.com 37.0.8.180, 49773, 64594 WKD-ASIE Netherlands 28->46 48 ip-api.com 28->48 76 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->76 34 schtasks.exe 1 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8bac0ee2a1a7858211a41dfe6a7acada857da2550c4ac3223a240dfdc3089099/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2022-07-15 05:36:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rowa5yvbu6cyeenedx7gu6wk3kcx3isvbrfmgir2eqg73qyiscmq._file
Verdict:
malicious
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:nop spyware suricata trojan
Link:
https://tria.ge/reports/220715-gakvcadhhq/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
Quasar RAT
Quasar payload
suricata: ET MALWARE Common RAT Connectivity Check Observed
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Unpacked files
SH256 hash:
40656e06749a261e508953706cff73cf61dddf03d511a8d46dd4dc1ce25fe912
MD5 hash:
5024d622acd60bee2513bfb034cc589d
SHA1 hash:
bccc01c9e390c7079d179bd20ddccbda15f91011
Link:
https://www.unpac.me/results/8c60c444-0515-4839-bcd5-333967a63839/
SH256 hash:
2d936999cda2b541dd8c6b43e1dfb5cb8acaae36ee54a8036cb4feb204c52928
MD5 hash:
481a9eae4e81a29a37a407781617cb07
SHA1 hash:
4b460d0b177bf3779a0c3bf90ea99bf2bbbd3ecd
Link:
https://www.unpac.me/results/8c60c444-0515-4839-bcd5-333967a63839/
SH256 hash:
8bac0ee2a1a7858211a41dfe6a7acada857da2550c4ac3223a240dfdc3089099
MD5 hash:
cb09d0546bb3c01197db2cb74921d20c
SHA1 hash:
5f289704e197c9e9065bf0f77080d1b0f63231cc
Link:
https://www.unpac.me/results/8c60c444-0515-4839-bcd5-333967a63839/
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8bac0ee2a1a7/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/8bac0ee2a1a7858211a41dfe6a7acada857da2550c4ac3223a240dfdc3089099

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: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:CN_disclosed_20180208_KeyLogger_1_RID3227
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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
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: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: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_1_RID2B54
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:Quasar_RAT_2_RID2B55
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: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/
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
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.

Cape
Cape
https://www.capesandbox.com/analysis/289414/

Comments