MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286. 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 31 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
SHA3-384 hash: 8fb6fbf80ea0ca66ab3a71b360656e674854b860466e797902eb0afd969608762c2334a1484e77d103a04a0a2866cc2e
SHA1 hash: 1ed585628d516661001127ed698b0eb5e8000349
MD5 hash: 8d4a77e1fc1ba4ed1bd544af53500551
humanhash: happy-gee-shade-juliet
File name:rPago_Transferencia_1222025.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'400'704 bytes
First seen:2025-12-02 13:00:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'658 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 98304:FkFQ4LY7apc31fd81oCQkhyO+524hlkiOX5P:IxL4ccl2uCQZLh1O
Threatray 259 similar samples on MalwareBazaar
TLSH T11DF533FC339260DFD05BC6328B661D3464822DAF1B19A25775277E9B763E1C24F214B2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter FXOLabs
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
BR BR
Vendor Threat Intelligence
Malware configuration found for:
ConfuserEx
Details
ConfuserEx
decrypted strings and possibly embedded components
Link:
https://research.acce.ciphertechsolutions.com/results/4505682f-ddc1-4797-ae2d-16ace4580f04/
Malware family:
n/a
ID:
1
File name:
rPago_Transferencia_1222025.exe
Verdict:
Malicious activity
Analysis date:
2025-12-02 13:00:57 UTC
Tags:
auto-reg crypto-regex pulsar rat confuser
Link:
https://app.any.run/tasks/8c662a21-3ee0-4db3-beae-24f644a40a7e

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/42161/
Detection(s):
Win.Packed.Lynx-6899009-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692ee35516e6db515e45f2fb
Tags:
autorun packed micro sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 confuser confuserex lynx net obfuscated obfuscated packed packed vbnet
Link:
https://www.filescan.io/uploads/692ee2ed4c1198e16ff12181/reports/e042feba-35a1-44be-ba2a-087c8084ded5/overview
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-02T08:20:00Z UTC
Last seen:
2025-12-04T08:13:00Z UTC
Hits:
~100
Detections:
PDM:Trojan.Win32.Tasker.cust HEUR:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b8ada52e-dedb-4458-8128-08594961cca6
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
Verdict:
inconclusive
YARA:
15 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.85 Win 32 Exe x86
Link:
https://app.malva.re/file/8d4a77e1fc1ba4ed1bd544af53500551
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
Threat name:
ByteCode-MSIL.Trojan.Genie
Create hunting rule
Status:
Malicious
First seen:
2025-12-02 13:00:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lnk2lwk7kqot2hbbjetispzrq7yksdkjqtthhsa4fdw3enlwykda._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
511ace09e2e37545e0f12232fb3ad7da230f0c55ea803fa14ae84530257069b6
QuasarRAT
53bd45a2da8a0db00c6202fd66651bde1b5ede0cdee998654c64d037ccfa9b68
QuasarRAT
7e9868f4da3238a549866769de126d9ef902b19c4760701d8f883f54bf8961c0
QuasarRAT
82e8eb7d1c2af17fea3d4a43ea92b5f8dca3f4382fbf7fd8c4160c76733920ce
QuasarRAT
error
QuasarRAT
+ 249 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:oro01 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/251202-p8wnhagj6y/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
onanothertry.ydns.eu:4800
asesorarcolom.crabdance.com:4801
Verdict:
Malicious
Tags:
red_team_tool Win.Packed.Lynx-6899009-0
YARA:
SUSP_NET_NAME_ConfuserEx
Link:
https://app.threat.zone/submission/937ff845-cfb2-4919-9bd1-d84a471038b0
Unpacked files
SH256 hash:
5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
MD5 hash:
8d4a77e1fc1ba4ed1bd544af53500551
SHA1 hash:
1ed585628d516661001127ed698b0eb5e8000349
Link:
https://www.unpac.me/results/418611e7-2420-457a-8d9d-2201b8d1e78b/
SH256 hash:
80c451821bb3b8e09975961747fbe4032c3333eef51b634fbdc9ff7808fcadfb
MD5 hash:
ba132e9af420c1dff5d1ae72879bb1f3
SHA1 hash:
0f07549314b8a9246a74d1b9f459dfe5136c06bd
Link:
https://www.unpac.me/results/418611e7-2420-457a-8d9d-2201b8d1e78b/
SH256 hash:
669210caa8ac7877935013cd2116fe8619919b8baf7c5ec210d37d02f6b6ef73
MD5 hash:
3bc4d413365f5a4d322165c8f92812de
SHA1 hash:
b2c642fd1b2a2b3b6e3d574fcfe997fb92d93e2a
Detections:
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
MAL_BackNet_Nov18_1
Create hunting rule
INDICATOR_EXE_Packed_Fody
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Link:
https://www.unpac.me/results/418611e7-2420-457a-8d9d-2201b8d1e78b/
Parent samples :
7e9868f4da3238a549866769de126d9ef902b19c4760701d8f883f54bf8961c0
511ace09e2e37545e0f12232fb3ad7da230f0c55ea803fa14ae84530257069b6
fe81faa80cbe72b3c88c0f6df7e276bb09262308e59f2abc4b24bf634d728e36
5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286
SH256 hash:
60ca1574d0c916d1f5686bcf871488710a2677a68c94f65a2be47d707976c061
MD5 hash:
d8c04d4e36632b4d5fb0ffab446877ed
SHA1 hash:
6092ad4043c572c8a5616f8a1b343aa94bca25a3
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
HKTL_NET_GUID_Quasar
Create hunting rule
Link:
https://www.unpac.me/results/418611e7-2420-457a-8d9d-2201b8d1e78b/
Parent samples :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 family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5b55a5d95f54/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/5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286

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:Check_Dlls
Create hunting rule
Rule name:Costura_Protobuf
Create hunting rule
Author:@bartblaze
Description:Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_EXE_Packed_ConfuserEx_Custom
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Custom; outside of GIT
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Malspam

QuasarRAT

Executable exe 5b55a5d95f541d3d1c214926893f3187f0a90d4984e673c81c28edb23576c286

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42161/

Comments