MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
SHA3-384 hash: 2531714a8936b1c6a479febb753cffa66f9577d7d9371996a999bd75e9fd1418ad1cc456a437b41ab9f672df1bdbd8f7
SHA1 hash: 8c9ac6f0483c5dc4802aa62a6f75913e2fb9d867
MD5 hash: 47a18c88a003632cb4c6eefab3db0b7a
humanhash: pasta-early-lion-pennsylvania
File name:BootstrapperNew.exe.bin
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'596'616 bytes
First seen:2025-03-14 10:09:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'125 x AgentTesla, 20'147 x Formbook, 12'362 x SnakeKeylogger)
ssdeep 98304:kzcFAtQcgsAnhpUJiCOSq1TQ0btUP+ljyzw3/fHl:8gsAngjOSc5iP+lSw3/Pl
Threatray 48 similar samples on MalwareBazaar
TLSH T1FCF533C4F9B7611BD65E80F860EB732578B6AD28AFC369C44141B9346D3361E30DAF26
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon cc8e333333338ecc (6 x SalatStealer, 4 x SheetRAT, 3 x DCRat)
Reporter KatzenTech
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
BootstrapperNew.exe
Verdict:
Malicious activity
Analysis date:
2025-03-14 07:55:20 UTC
Tags:
quasar
Link:
https://app.any.run/tasks/dc0f0d0f-60be-4246-b731-d8c4e6fd508a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d3e0e608116ce425711368
Tags:
infosteal vmdetect quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Searching for synchronization primitives
Unauthorized injection to a recently created process
Connection attempt to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated overlay packed packed packer_detected quasar vbnet
Link:
https://www.filescan.io/uploads/67d4008bb03273ba9970d7f2/reports/2042636b-b40b-40e5-b8db-eeaf15fb2b47/overview
Verdict:
Malicious
Labled as:
MSIL.Packy.Generic
Link:
https://www.hybrid-analysis.com/sample/369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
Malware family:
ModernLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bf4b5a1f-da2c-4e41-89c2-6662bbefaaf2
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1638379
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0/
Threat name:
ByteCode-MSIL.Trojan.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-14 07:55:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g2p3i6lx52pm4ciauhoi3yrycvkl3gblys7255m64olchj2ceoqa._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
13d33eda0d704cbb562ebef02616a70fad4a35727e3e49006e1b4f0b4b6eaa6e
QuasarRAT
1e85ad3f472ff4a3694c0b6f8f7a2366e1a509f43b88d10b034bef2a3a54b5d2
QuasarRAT
2a70435cad922008fa6ac06cbb8cf6bca618c886af0884e2ad1a538ac77be716
QuasarRAT
369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
QuasarRAT
63466a7b4c4ca557cbb2e8b57c125db52fffb234fdbfa38f31eb61b040411e7d
QuasarRAT
933acdb61d5d05bb55cd56957312b677719ac237a2daae0f1daf9d70dc68f2de
QuasarRAT
error
QuasarRAT
+ 38 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:solara spyware trojan
Link:
https://tria.ge/reports/250314-l7e3ks1rv3/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
193.161.193.99:49919
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/61f3a609-ef3d-4159-a1a2-884c9bd7fdd1
Unpacked files
SH256 hash:
369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
MD5 hash:
47a18c88a003632cb4c6eefab3db0b7a
SHA1 hash:
8c9ac6f0483c5dc4802aa62a6f75913e2fb9d867
Link:
https://www.unpac.me/results/f5b8561e-c7e0-4612-8846-f962fae0adb4/
SH256 hash:
774cc2deb69d990bb908b5b4a77314e474b357268dad92d917dcd85176f43ffd
MD5 hash:
37d3fcd5058c45d2c2bba065a5c22296
SHA1 hash:
22debc7d8cdf3efd9b65ad099592c68ad7fa2713
Detections:
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
Link:
https://www.unpac.me/results/f5b8561e-c7e0-4612-8846-f962fae0adb4/
Parent samples :
369fb47977ee9ece0900a1dc8de2381554bd982bc4bfaef59ee39623a74223a0
774cc2deb69d990bb908b5b4a77314e474b357268dad92d917dcd85176f43ffd
SH256 hash:
52f7de3e4f915edff3023bcf325038eba0ab8bf8488f9901db6e5f0d996d61f7
MD5 hash:
778b64d7ab12731b9b78e971690b2223
SHA1 hash:
0b543021d55f9f8708531f7bac896fbbdf1af542
Detections:
win_asyncrat_w0
Create hunting rule
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
win_quasarrat_j2
Create hunting rule
asyncrat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
Link:
https://www.unpac.me/results/f5b8561e-c7e0-4612-8846-f962fae0adb4/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/369fb47977ee/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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