MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0
SHA3-384 hash: c732393d8d60f707c562908d01a9a278b419411218995220cca25eecd8948cbea804393aad0fabe71db69a2744eb8427
SHA1 hash: eacb8c975d24f049f8fb81a292ef1df1e6ba6d26
MD5 hash: e8cd3000b35ad26af39e75836d0f77fb
humanhash: river-tennis-happy-india
File name:Drop.png
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:8'990'208 bytes
First seen:2025-09-17 16:08:56 UTC
Last seen:2025-09-17 18:19:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ec88eebf1d94c460a6462466922e0be7 (1 x QuasarRAT)
ssdeep 24576:lMzju361bgGPDEBU3TKDGw6w7tia9RYb3elpTKjx0Wc6vpvCE98CO9eLfIkAa4MH:ujOW8
Threatray 1'406 similar samples on MalwareBazaar
TLSH T1AE966C776F71AC82CB8F02B65DD66E980DDE873140C970C9D1AB42810A53BF7EA4E56C
TrID 32.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
20.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Anonymous
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
76
Origin country :
AE AE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
Drop.png
Verdict:
Malicious activity
Analysis date:
2025-09-17 16:11:59 UTC
Tags:
quasar
Link:
https://app.any.run/tasks/341d868d-7478-42f3-8c41-34cf73dd3dc7

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/27967/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68cadd5424320325464730b2
Tags:
underscore genkryptik virus shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a file
Creating a window
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Creating a process from a recently created file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug krypt masquerade mingw packed
Link:
https://www.filescan.io/uploads/68cadd5147cd2102617f9e06/reports/01234ad0-f891-4062-b84b-cae850abc8ca/overview
Verdict:
Malicious
Labled as:
Trojan.Druid
Link:
https://www.hybrid-analysis.com/sample/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-22T21:55:00Z UTC
Last seen:
2025-08-22T21:55:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Generic HEUR:Trojan.Win32.ExShell.gen
Link:
https://opentip.kaspersky.com/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/a7fff5cc-db97-44fb-b127-bd9f38d45134
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/e8cd3000b35ad26af39e75836d0f77fb
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0
Threat name:
Win32.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-08-24 01:32:00 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cjmnq7j2wt6slm2lzrcbmcvbcev7f5lfeb4phozcimj4viz4utqa._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
44b82ef3b8a911c429a6c62b32af7523eefbd7463b261a8511c1af5bb66845bf
QuasarRAT
67504a7c1e834ec7a871393547f566e8e0d40b5a1bf1d63b6676345266dea1e9
QuasarRAT
6e8c38c8b7514b408be726cd7cbc2c74091f56370372b198fae8791a24f191af
QuasarRAT
995e1cb1224ed52a2fa231159abc0bdeb8de8dedd5208666f6434df87ea156bb
QuasarRAT
b98bd65a0927c3dfc381b13df96e666fa2bb5bead3284864bc904b3ad657a6dc
QuasarRAT
d369c2c5febce0ef6d1a5267058ba5644c63fd989639b8c50fb1209efa0e4e34
QuasarRAT
error
QuasarRAT
+ 1'396 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/250917-tl68yazj14/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
185.208.158.56:4782
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d41637ec-035e-45ba-b463-f4280ee01847
Unpacked files
SH256 hash:
1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0
MD5 hash:
e8cd3000b35ad26af39e75836d0f77fb
SHA1 hash:
eacb8c975d24f049f8fb81a292ef1df1e6ba6d26
Link:
https://www.unpac.me/results/d19933b6-483a-49e9-b647-bd04b7ba3429/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1258d87d3ab4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

Executable exe 1258d87d3ab4fd25b34bcc44160aa1112bf2f5652078f3bb224313caa33ca4e0

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3625755/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/27967/

Comments