MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03
SHA3-384 hash: fadc7f5e497740388e5b8f9100b5aa0ddd14cc7130960e837ec15dac545f513b2982680557465f105078901bed78d2dc
SHA1 hash: bf9abdb5719f950c0a81d2d9c72bdb3a8d499fed
MD5 hash: f7f91e54c8ae92a8dc8fcd5579aac7f7
humanhash: georgia-wyoming-five-avocado
File name:SecuriteInfo.com.Win32.MalwareX-gen.22381.24899
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:365'568 bytes
First seen:2025-06-09 16:46:16 UTC
Last seen:2025-06-09 17:30:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:VjKCc6y/uhV3C+Ev0ZwHDDDDU1vXh9QqN/BRJbvIdYSMN:VjzcBWhM0LQMN
Threatray 490 similar samples on MalwareBazaar
TLSH T161741A06A7EC8751F1FB4779B8B322404EBDFC85AA95DB5E252028DC0C6371A9D41B3B
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 SecuriteInfoCom
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
491
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
meterpreter
Create hunting rule
ID:
1
File name:
bomb.exe
Verdict:
Malicious activity
Analysis date:
2025-06-09 18:06:13 UTC
Tags:
hausbomber loader sliver backdoor havoc framework metasploit meterpreter payload github stealer lumma remote xworm telegram defendercontrol tool fileshare rat gh0st auto amadey botnet remcos generic asyncrat qrcode evasion uac quasar snake keylogger xmrig miner coinminer smtp akira formbook aeroadmin rmm-tool possible-phishing agenttesla ftp exfiltration crypto-regex purecrypter
Link:
https://app.any.run/tasks/83901c01-f1de-41b1-899d-ae7078d32905

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/8128/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22381.24899.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684710138bd5d68a12e71a28
Tags:
obfuscate autorun xtreme virus
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Creating a window
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/eedb4654-8474-4046-a01e-53c2f1b84178
Result
Threat name:
ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1709977
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Connects to many ports of the same IP (likely port scanning)
Creates a thread in another existing process (thread injection)
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
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
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
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 dnsIp2 2 Behavior Graph ID: 1709977 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 09/06/2025 Architecture: WINDOWS Score: 100 56 sn1prdapp01agg02-canary.cloudapp.net 2->56 58 pki-goog.l.google.com 2->58 60 9 other IPs or domains 2->60 74 Suricata IDS alerts for network traffic 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 Yara detected ResolverRAT 2->78 80 10 other signatures 2->80 11 SecuriteInfo.com.Win32.MalwareX-gen.22381.24899.exe 15 6 2->11         started        16 wscript.exe 1 2->16         started        signatures3 process4 dnsIp5 66 185.208.156.195, 49690, 49697, 80 SIMPLECARRIERCH Switzerland 11->66 50 C:\Users\user\AppData\Roaming\lecform.exe, PE32 11->50 dropped 52 C:\Users\user\...\lecform.exe:Zone.Identifier, ASCII 11->52 dropped 54 C:\Users\user\AppData\Roaming\...\lecform.vbs, ASCII 11->54 dropped 114 Found many strings related to Crypto-Wallets (likely being stolen) 11->114 116 Drops VBS files to the startup folder 11->116 118 Encrypted powershell cmdline option found 11->118 122 4 other signatures 11->122 18 MSBuild.exe 1 2 11->18         started        22 powershell.exe 22 11->22         started        120 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->120 24 lecform.exe 16->24         started        file6 signatures7 process8 dnsIp9 62 185.196.11.241, 49695, 49699, 56001 SIMPLECARRIERCH Switzerland 18->62 82 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 18->82 84 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->84 86 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 18->86 96 3 other signatures 18->96 26 aspnet_compiler.exe 18->26         started        88 Loading BitLocker PowerShell Module 22->88 29 WmiPrvSE.exe 22->29         started        31 conhost.exe 22->31         started        90 Multi AV Scanner detection for dropped file 24->90 92 Writes to foreign memory regions 24->92 94 Injects a PE file into a foreign processes 24->94 33 MSBuild.exe 24->33         started        signatures10 process11 signatures12 106 Writes to foreign memory regions 26->106 108 Injects a PE file into a foreign processes 26->108 110 Uses threadpools to delay analysis 26->110 35 InstallUtil.exe 26->35         started        112 Found many strings related to Crypto-Wallets (likely being stolen) 33->112 process13 signatures14 98 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 35->98 100 Tries to steal Mail credentials (via file / registry access) 35->100 102 Tries to harvest and steal browser information (history, passwords, etc) 35->102 104 6 other signatures 35->104 38 chrome.exe 35->38         started        41 chrome.exe 35->41 injected 43 chrome.exe 35->43 injected 45 3 other processes 35->45 process15 dnsIp16 64 192.168.2.5, 443, 49675, 49690 unknown unknown 38->64 47 chrome.exe 38->47         started        process17 dnsIp18 68 play.google.com 142.250.113.138 GOOGLEUS United States 47->68 70 www.google.com 142.251.186.103 GOOGLEUS United States 47->70 72 6 other IPs or domains 47->72
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03/
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2025-06-09 16:47:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhzet3dzdum3roj7tkhzi44dbw2ftvti2d7r4joikmlbe4d4t4bq._file
Verdict:
malicious
Label(s):
resolverrat
Create hunting rule
Similar samples:
02df0de18ec748e4c41479366528c94750f1f2c810eb9640cd484ad17fd165a9
ResolverRAT
5b4caf621014f999184385eda0561a8df80d966a642f4a01157f6293e3c6cd83
ResolverRAT
aeda7e0a49d123224e851072ff8498aedced72f9a6ab6b74ca236e8991395298
ResolverRAT
ba0eec7fae76f72b4212956a48281776a7fd571e5a2a958052133acb824142e4
ResolverRAT
c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03
ResolverRAT
error
ResolverRAT
f58dbc8438043a11d977c703b42e1d3c089f9c52086aad4a5710f1674810179e
ResolverRAT
+ 480 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250609-valcrsfk7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/af7c18cd-8ec3-43a5-800e-ddbba179fdcf
Unpacked files
SH256 hash:
c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03
MD5 hash:
f7f91e54c8ae92a8dc8fcd5579aac7f7
SHA1 hash:
bf9abdb5719f950c0a81d2d9c72bdb3a8d499fed
Link:
https://www.unpac.me/results/2706fbdd-8fc3-40fd-a103-34475449de94/
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/c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03

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:NET
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_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.

Web download

ResolverRAT

Executable exe c1f249ec791d19b8b93f9a8f9473830db459d668d0ff1e25c8531612707c9f03

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3559956/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/8128/

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