MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc. 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: 14


Intelligence 14 IOCs YARA 11 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc
SHA3-384 hash: 62f508c7f064a04f800b2e0286e1ea3fabbd1fbf9f0d5ec3a9d4d0f4714f388ff77832908e50ec61e557108a6c70ba81
SHA1 hash: caa3fe516eabee18b2e54ccaaf938358c5218201
MD5 hash: 7dce0bef1561420915d2faf32c2e8e9a
humanhash: ceiling-dakota-pennsylvania-shade
File name:7dce0bef1561420915d2faf32c2e8e9a
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'898'944 bytes
First seen:2022-09-10 01:06:45 UTC
Last seen:2023-08-26 21:40:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'618 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:dA0zp4zann0do6DmbjXSIpXYjnDXaqtHHHUf4za32ehyfTmBDm:dAcp4zann0WSmvXjpXYjnDXBSBa
Threatray 86 similar samples on MalwareBazaar
TLSH T1C4D5491433F80E2BE56FE772A5B11026A7F1F81AF3A3EB4B218166791C53B415D412BB
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 zbetcheckin
Tags:32 exe QuasarRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
7dce0bef1561420915d2faf32c2e8e9a
Verdict:
Malicious activity
Analysis date:
2022-09-10 01:08:46 UTC
Tags:
quasar
Link:
https://app.any.run/tasks/b505d727-e10b-4a35-804e-d781a17eb05c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309058/
Detection(s):
Win.Malware.Bulz-9823462-0
Create hunting rule

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

Win.Malware.Msilheracles-9900242-0
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 the 'hidden' option for analyzed file
Creating a process from a recently created file
Creating a file
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
anti-vm keylogger quasarrat rat stealer
Link:
https://www.filescan.io/uploads/631be33de73fb79b7a05ef6a/reports/900ea660-5f07-446b-9e15-951f6b1892ee/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/283f986d-d814-419a-821c-8b7dced87ffb
Result
Threat name:
AsyncRAT, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1068053
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 AsyncRAT
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 700581 Sample: bwAWhuWUBt.exe Startdate: 10/09/2022 Architecture: WINDOWS Score: 100 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus detection for URL or domain 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 6 other signatures 2->37 8 bwAWhuWUBt.exe 5 2->8         started        12 bwAWhuWUBt.exe 2 2->12         started        process3 file4 27 C:\Users\user\AppData\Roaming\DAB\DABB.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\...\bwAWhuWUBt.exe.log, ASCII 8->29 dropped 39 Uses schtasks.exe or at.exe to add and modify task schedules 8->39 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->41 14 DABB.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        19 backgroundTaskHost.exe 53 40 8->19         started        signatures5 process6 signatures7 43 Antivirus detection for dropped file 14->43 45 Multi AV Scanner detection for dropped file 14->45 47 Machine Learning detection for dropped file 14->47 49 2 other signatures 14->49 21 schtasks.exe 1 14->21         started        23 conhost.exe 17->23         started        process8 process9 25 conhost.exe 21->25         started       
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc/
Threat name:
ByteCode-MSIL.Trojan.Quasar
Create hunting rule
Status:
Malicious
First seen:
2022-09-05 10:45:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=istwjfvbivy2a3ylyvqb6bpmdca7eewdf2rlqocv4iscukvxls6a._file
Verdict:
malicious
Similar samples:
05f1ffa1ec36931cc7eea37bec05882e59b185e237b4832fc0abe393dd5e0519
QuasarRAT
28d0ac2b1be7545097b6594c9fa467345214473dc91ea83b245735894e47cb61
QuasarRAT
58ed54c59f857cd80bcf4e49b164b812663ae6dce30c39dfde96e5fb69bd7e39
QuasarRAT
84f65ea0570ad0cb113671be14dfa4a7d0f04ebfa773d4f53103e401c39511d1
QuasarRAT
c8bfb8264d0abea4be849f23a1bc61cc394ac729efe739d3b8cd4aeb19b09990
QuasarRAT
d780ca838863ff15183cbb2ea804fdb71eed52f228e9294a30751f5f9e69799e
QuasarRAT
+ 76 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:newspo spyware trojan
Link:
https://tria.ge/reports/220910-bgm1dshdb5/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
anubisgod.duckdns.org:1339
Unpacked files
SH256 hash:
44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc
MD5 hash:
7dce0bef1561420915d2faf32c2e8e9a
SHA1 hash:
caa3fe516eabee18b2e54ccaaf938358c5218201
Link:
https://www.unpac.me/results/8a54e3e0-62cc-4cf0-8aba-1944f3a5b038/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/44a76496a145/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/44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc

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_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest2
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest3
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

Web download

QuasarRAT

Executable exe 44a76496a14571a06f0bc5601f05ec1881f212c32ea2b83855e2242a2ab75cbc

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2298232/
Cape
Cape
https://www.capesandbox.com/analysis/309058/

Comments


Avatar
zbet commented on 2022-09-10 01:06:48 UTC

url : hxxp://212.192.246.234/spread/dabr.exe