MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d. 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


ResolverRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d
SHA3-384 hash: 99d14e1a0dce0e7e69128c886f264925d0c311d84c492ad64e42058fa86d820802019d984a51c84b2b3cb2a830a74e24
SHA1 hash: b9a036a79552f8eef0577bdd273ab204e81f7e8c
MD5 hash: 7d41a1716dd33ac30091c350675d3552
humanhash: blossom-nineteen-nitrogen-september
File name:Flambi.exe
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:4'003'840 bytes
First seen:2025-05-28 13:34:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:yd4pHI09chSOvD5rU0P3Va0cBqj2dQMrb001qoj:JNISS20Poij2bAeqoj
TLSH T1E70622046BB4865FE6BE1374F0A40A144BF0E047E66EEBDE5D54F0E92C437829A5363B
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 burger
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
426
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PacManSpoofer.exe
Verdict:
Malicious activity
Analysis date:
2025-05-28 13:22:55 UTC
Tags:
python loader pyinstaller
Link:
https://app.any.run/tasks/b9540151-c41b-42b3-8b9c-51012dd08576

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/6020/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.1166.22160.16754.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68370f66acf88f5815e7f493
Tags:
virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 crypt infostealer lolbin obfuscated packed packed packer_detected tracker
Link:
https://www.filescan.io/uploads/6837116cfd02ed5e058c7d51/reports/2de360ab-c2aa-453b-a967-e51164caff57/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/8506a7ad-907d-4f33-9b39-fa162b8aff80
Result
Threat name:
ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1700731
Signature
.NET source code contains potential unpacker
Drops PE files with benign system names
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: System File Execution Location Anomaly
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Uses threadpools to delay analysis
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1700731 Sample: Flambi.exe Startdate: 28/05/2025 Architecture: WINDOWS Score: 100 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected ResolverRAT 2->76 78 Yara detected AntiVM3 2->78 80 10 other signatures 2->80 8 Flambi.exe 6 2->8         started        12 wscript.exe 1 2->12         started        14 svchost.exe 1 1 2->14         started        process3 dnsIp4 54 C:\Users\user\AppData\Roaming\svchost.exe, PE32 8->54 dropped 56 C:\Users\user\...\svchost.exe:Zone.Identifier, ASCII 8->56 dropped 58 C:\Users\user\AppData\Roaming\...\svchost.vbs, ASCII 8->58 dropped 82 Drops VBS files to the startup folder 8->82 84 Encrypted powershell cmdline option found 8->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->86 90 4 other signatures 8->90 17 powershell.exe 22 8->17         started        20 cmd.exe 1 8->20         started        22 cmd.exe 1 8->22         started        26 11 other processes 8->26 88 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->88 24 svchost.exe 3 12->24         started        60 127.0.0.1 unknown unknown 14->60 file5 signatures6 process7 signatures8 62 Loading BitLocker PowerShell Module 17->62 28 WmiPrvSE.exe 17->28         started        30 conhost.exe 17->30         started        64 Uses ipconfig to lookup or modify the Windows network settings 20->64 32 conhost.exe 20->32         started        34 ipconfig.exe 1 20->34         started        36 conhost.exe 22->36         started        38 ipconfig.exe 1 22->38         started        66 Multi AV Scanner detection for dropped file 24->66 68 Writes to foreign memory regions 24->68 70 Injects a PE file into a foreign processes 24->70 72 Uses threadpools to delay analysis 24->72 40 cmd.exe 24->40         started        42 cmd.exe 24->42         started        44 10 other processes 24->44 process9 process10 46 conhost.exe 40->46         started        48 ipconfig.exe 40->48         started        50 conhost.exe 42->50         started        52 ipconfig.exe 42->52         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d/
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Create hunting rule
Status:
Malicious
First seen:
2025-05-21 22:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcyns4e6m5pzrsollzdli74ly2wclrek24k6s4mays45a4cxuzwq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250528-qvyflsck7y/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/116c1ad6-a38d-47d2-9bd5-209a4137ccae
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Web download

ResolverRAT

Executable exe 30b0d9709e675f98c9cb5e46b47f8bc6ac25c48ad715e97180c4b9d07057a66d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/6020/
  
URLhaus
https://urlhaus.abuse.ch/url/3554625/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3554632/

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 (GUARD_CF)high

Comments