MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a461a7375a8a2368f8e05d630e9da0ca7d89b41fac905ca4341a98c5c3fe2f4. 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 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a461a7375a8a2368f8e05d630e9da0ca7d89b41fac905ca4341a98c5c3fe2f4
SHA3-384 hash: f879965995d611368f0e8a67e5b498e3cfc43b14014be185c3961ff352a29f15e533e6269fc294ada1f8443b38dccf56
SHA1 hash: 903ff3250d3bef3b6666266e098e732b6c783270
MD5 hash: 3fe7a6b95f1f291d59355eecf8ddd01a
humanhash: four-texas-happy-gee
File name:2A461A7375A8A2368F8E05D630E9DA0CA7D89B41FAC90.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:514'560 bytes
First seen:2022-10-06 15:25:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 6144:sTEgdc0YUXIX/ir/RKFHACnea8G/9WNSRQJ8B2WGbcExnb8FAo5FCayxcTR3/:sTEgdfY3/iAAOea8eiBEXv5yxcd/
Threatray 2'166 similar samples on MalwareBazaar
TLSH T128B46C4027E88A1BE2AE47BAE87148109BF5E417B367EB4F4548B1FD2D66706CE40773
TrID 53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.6% (.SCR) Windows screen saver (13101/52/3)
7.7% (.EXE) Win64 Executable (generic) (10523/12/4)
4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
185.193.127.228:5893

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
185.193.127.228:5893 https://threatfox.abuse.ch/ioc/871895/

Intelligence

File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/317350/
Detection(s):
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
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the system32 subdirectories
Launching a process
DNS request
Sending a custom TCP request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm keylogger packed quasarrat rat shell32.dll stealer
Link:
https://www.filescan.io/uploads/633ef38c8700c347f8f86649/reports/0b74635c-7fd3-4ec3-a00e-a6e8f02983e7/overview
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/17016b8c-56cc-44ac-a480-855b863dd6cd
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1085064
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
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)
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
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: 717622 Sample: 2A461A7375A8A2368F8E05D630E... Startdate: 06/10/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 7 other signatures 2->42 8 2A461A7375A8A2368F8E05D630E9DA0CA7D89B41FAC90.exe 5 2->8         started        12 2A461A7375A8A2368F8E05D630E9DA0CA7D89B41FAC90.exe 2 2->12         started        process3 file4 26 C:\Windows\System32\win64\System.exe, PE32 8->26 dropped 28 2A461A7375A8A2368F...D89B41FAC90.exe.log, CSV 8->28 dropped 44 Drops executables to the windows directory (C:\Windows) and starts them 8->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 8->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->48 14 System.exe 14 2 8->14         started        18 schtasks.exe 1 8->18         started        signatures5 process6 dnsIp7 30 spm.llcdn.in 185.193.127.228, 49705, 5893 CYBERDYNELR Sweden 14->30 32 tools.keycdn.com 185.172.148.96, 443, 49707 PROINITYPROINITYDE Germany 14->32 34 2 other IPs or domains 14->34 50 Antivirus detection for dropped file 14->50 52 Multi AV Scanner detection for dropped file 14->52 54 May check the online IP address of the machine 14->54 56 4 other signatures 14->56 20 schtasks.exe 1 14->20         started        22 conhost.exe 18->22         started        signatures8 process9 process10 24 conhost.exe 20->24         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2a461a7375a8a2368f8e05d630e9da0ca7d89b41fac905ca4341a98c5c3fe2f4/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-09-10 19:36:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
25 of 25 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjdbu43vvcrdnd4oaxldb2o2bst5rg2b7leqlssdiguyyxb74l2a._file
Verdict:
malicious
Similar samples:
15a42865e3b9563b0162987d9ba85a18fe6f7befb28d39daed3277434347200f
QuasarRAT
2a530c0ce9e28ccef15ab536554c6e1174f33564d823e1cfcdb720c9771bb1cd
QuasarRAT
4a3a8abd7f6d5fd9adfb51703085e839781cffc341705123be40b0c146dcf0a9
QuasarRAT
b72b56dbce5ed9e23036bc98d439f81d9768c49952297e44029bcd6607407616
QuasarRAT
da62dc7807475728bb6136b887b01f080eb277b575b6f95f70bb14e01d28c714
QuasarRAT
+ 2'156 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:spm3x spyware trojan
Link:
https://tria.ge/reports/221006-st7c8shgc3/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Looks up external IP address via web service
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
spm.llcdn.in:5893
spm.llcdn.eu:5893
bckp.llcdn.eu:5893
89.203.249.64:5893
185.193.127.228:5893
82.208.16.140:5893
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/87290b16-2512-4be4-9505-5776687d32e7
Unpacked files
SH256 hash:
2a461a7375a8a2368f8e05d630e9da0ca7d89b41fac905ca4341a98c5c3fe2f4
MD5 hash:
3fe7a6b95f1f291d59355eecf8ddd01a
SHA1 hash:
903ff3250d3bef3b6666266e098e732b6c783270
Link:
https://www.unpac.me/results/4b7bc1c2-0113-4da7-aa19-34c8d5e8cfa1/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2a461a7375a8/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/2a461a7375a8a2368f8e05d630e9da0ca7d89b41fac905ca4341a98c5c3fe2f4

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
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

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/317350/

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