MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e
SHA3-384 hash: 836e7d2eda24781226da209bce8e11c0d89666ffc449c0171f704bfdde113cb58d7070acbdf41ac97ad26d4edc57ab2d
SHA1 hash: 2b645238cd7e32b8acc59c4f43633c502a83ae2e
MD5 hash: 572e4600049628c6d7518d40ad7208f3
humanhash: december-seventeen-massachusetts-early
File name:SecuriteInfo.com.Win32.MalwareX-gen.22261.28543
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:77'312 bytes
First seen:2025-05-27 07:37:05 UTC
Last seen:2025-05-27 08:32:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:RbSdGHAJSjSwLmpsX1LO/9ofDSHhmPUINfMyOrjn62J:RbSdGHAJSjSwLPOVor2hmPZNhO3n6M
Threatray 3'478 similar samples on MalwareBazaar
TLSH T18873F50B779C4623C7A85F7984A3310042B36DAF29F2DE1E6D8C25D9C852AD77D0C6B9
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
Reporter SecuriteInfoCom
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
476
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.MalwareX-gen.22261.28543
Verdict:
Malicious activity
Analysis date:
2025-05-27 07:47:12 UTC
Tags:
fileshare auto-startup netreactor
Link:
https://app.any.run/tasks/3d1e1baf-e186-45be-b9ac-97b78a64edb1

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/5797/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.22261.28543.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68356d3f668438e362e759ae
Tags:
obfuscate autorun dropper xtreme
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 obfuscated
Link:
https://www.filescan.io/uploads/68356badfd02ed5e0589ae90/reports/7f1975a5-3e66-4887-84c1-64ae317ebfdf/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0249cd9c-2151-49d6-a27d-b0425736059e
Result
Threat name:
DarkCloud, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1699636
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to behave differently if execute on a Russian/Kazak computer
Creates files in the system32 config directory
Creates files inside the volume driver (system volume information)
Deletes shadow drive data (may be related to ransomware)
Drops executable to a common third party application directory
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Queries random domain names (often used to prevent blacklisting and sinkholes)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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 DarkCloud
Yara detected ResolverRAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1699636 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 27/05/2025 Architecture: WINDOWS Score: 100 56 zlenh.biz 2->56 58 ytctnunms.biz 2->58 60 27 other IPs or domains 2->60 76 Suricata IDS alerts for network traffic 2->76 78 Found malware configuration 2->78 80 Antivirus detection for dropped file 2->80 82 17 other signatures 2->82 8 SecuriteInfo.com.Win32.MalwareX-gen.22261.28543.exe 15 6 2->8         started        13 elevation_service.exe 2->13         started        15 alg.exe 2->15         started        17 20 other processes 2->17 signatures3 process4 dnsIp5 68 files.catbox.moe 108.181.20.43, 443, 49713, 49741 ASN852CA Canada 8->68 50 C:\Users\user\AppData\Roaming\buka.exe, PE32 8->50 dropped 52 C:\Users\user\AppData\Roaming\...\buka.vbs, ASCII 8->52 dropped 96 Drops VBS files to the startup folder 8->96 98 Encrypted powershell cmdline option found 8->98 100 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->100 114 3 other signatures 8->114 19 InstallUtil.exe 13 8->19         started        24 powershell.exe 23 8->24         started        26 cmd.exe 1 8->26         started        28 cmd.exe 8->28         started        54 C:\Windows\System32\sppsvc.exe, PE32+ 13->54 dropped 102 Infects executable files (exe, dll, sys, html) 13->102 104 Found direct / indirect Syscall (likely to bypass EDR) 13->104 70 gytujflc.biz 104.156.155.94, 49763, 49765, 80 SRCACCESSUS United States 15->70 72 qaynky.biz 3.238.30.69, 49751, 49755, 49766 AMAZON-AESUS United States 15->72 74 4 other IPs or domains 15->74 106 Creates files in the system32 config directory 15->106 108 Contains functionality to behave differently if execute on a Russian/Kazak computer 15->108 110 Creates files inside the volume driver (system volume information) 17->110 112 Windows Scripting host queries suspicious COM object (likely to drop second stage) 17->112 file6 signatures7 process8 dnsIp9 62 parkingpage.namecheap.com 91.195.240.19, 49736, 49738, 80 SEDO-ASDE Germany 19->62 64 anpmnmxo.biz 192.64.119.165, 49735, 49737, 80 NAMECHEAP-NETUS United States 19->64 66 8 other IPs or domains 19->66 42 C:\Windows\System32\wbengine.exe, PE32+ 19->42 dropped 44 C:\Windows\System32\wbem\WmiApSrv.exe, PE32+ 19->44 dropped 46 C:\Windows\System32\vds.exe, PE32+ 19->46 dropped 48 113 other malicious files 19->48 dropped 84 Tries to harvest and steal browser information (history, passwords, etc) 19->84 86 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 19->86 88 Drops executable to a common third party application directory 19->88 90 Infects executable files (exe, dll, sys, html) 19->90 92 Loading BitLocker PowerShell Module 24->92 30 conhost.exe 24->30         started        32 WmiPrvSE.exe 24->32         started        94 Uses ipconfig to lookup or modify the Windows network settings 26->94 34 conhost.exe 26->34         started        36 ipconfig.exe 1 26->36         started        38 conhost.exe 28->38         started        40 ipconfig.exe 28->40         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e/
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Create hunting rule
Status:
Malicious
First seen:
2025-05-27 03:31:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m77tb7a2y26aiwssszkltcmhx2hibbr6jguejfiexu7npnefhfxa._file
Verdict:
malicious
Label(s):
expiro
Create hunting rule
Similar samples:
20ca1aaef6f9dad1f41dbb5005ffbc0c99ff774ece236b1816689a5a2f253796
ResolverRAT
6abf50de85eba273e1cecaa09feac0e6eefd68cdfac3ea157535f60586b6762f
ResolverRAT
92bab94e0b81ebb7b78da95f1dd74fabc4799e8aa9e5eb6af4b1d64c4b603745
ResolverRAT
aa5422f677a5edd3939d9652209e15fe56f26998a293bd23b521f48a3b3ca318
ResolverRAT
ba241aac2ad9f5b875f55d54d04eb99026e80d9bcb7abcfc2142b86fc939aded
ResolverRAT
d63374d386483c50ad66754aa271868a235eef4f31d7085bd06c1bef92a7f3c1
ResolverRAT
error
ResolverRAT
+ 3'468 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250527-jfx3zazzdy/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Gathers network information
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Enumerates connected drives
Checks computer location settings
Drops startup file
Executes dropped EXE
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3bc4b1b8-78c7-4fc1-81ec-8bd031125bb7
Unpacked files
SH256 hash:
67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e
MD5 hash:
572e4600049628c6d7518d40ad7208f3
SHA1 hash:
2b645238cd7e32b8acc59c4f43633c502a83ae2e
Link:
https://www.unpac.me/results/85e9a5d9-9ab6-4152-91ac-dd3370fb16de/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67ff30fc1ac6/report/overview.html
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/67ff30fc1ac6bc045a529654b98987be8e80863e49a8449504bd3ed7b485396e

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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/5797/

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