MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c13e4cc816a5e407481195d342c317237fb49b537131fe497ce3b4ead9468f0. 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 5 File information Comments

SHA256 hash: 8c13e4cc816a5e407481195d342c317237fb49b537131fe497ce3b4ead9468f0
SHA3-384 hash: 853c8f247ffabe8293cae50265c3f4a0db9dc57b6ae22ddaf59f4db92eed89420a4082539a8a2986790351f49c20f5d1
SHA1 hash: 66a2ccf4401bc64e23758e4a41fa4b061b66ead8
MD5 hash: a91807e4ffa6fd45492cff7f342fbfde
humanhash: fanta-vegan-violet-mississippi
File name:8c13e4cc816a5e407481195d342c317237fb49b537131fe497ce3b4ead9468f0
Download: download sample
Signature ResolverRAT
File size:82'944 bytes
First seen:2025-06-10 09:06:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:EQfAWicclYptAzwFol2KtVEmp4jLC5cdGJ4MfUV:hflicclhjl2wEmp4CKdGaYUV
Threatray 3'676 similar samples on MalwareBazaar
TLSH T13E83291827E9C717DBBC4B7C78B412010F78E0962247E74D4AB879FA2E63B904D593A7
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 adrian__luca
Tags:exe ResolverRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
267
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8c13e4cc816a5e407481195d342c317237fb49b537131fe497ce3b4ead9468f0
Verdict:
Malicious activity
Analysis date:
2025-06-10 12:07:25 UTC
Tags:
purecrypter auto-startup netreactor darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun stealer virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Result
Threat name:
DarkCloud, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
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 DarkCloud
Yara detected Generic Dropper
Yara detected ResolverRAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1710646 Sample: TvgeBR1a21.exe Startdate: 10/06/2025 Architecture: WINDOWS Score: 100 51 guyson.cn 2->51 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 Multi AV Scanner detection for submitted file 2->65 67 12 other signatures 2->67 9 TvgeBR1a21.exe 15 6 2->9         started        14 wscript.exe 1 2->14         started        signatures3 process4 dnsIp5 53 guyson.cn 103.224.93.248, 49704, 49711, 80 COLO-AS-APColocationAustraliaPtyLtdAU unknown 9->53 47 C:\Users\...\CanTransformMultipleBlocks.exe, PE32 9->47 dropped 49 C:\Users\...\CanTransformMultipleBlocks.vbs, ASCII 9->49 dropped 69 Drops VBS files to the startup folder 9->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->71 73 Writes to foreign memory regions 9->73 77 2 other signatures 9->77 16 cmd.exe 1 9->16         started        19 cmd.exe 1 9->19         started        21 InstallUtil.exe 9->21         started        75 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->75 23 CanTransformMultipleBlocks.exe 14 3 14->23         started        file6 signatures7 process8 signatures9 55 Uses ipconfig to lookup or modify the Windows network settings 16->55 25 conhost.exe 16->25         started        27 ipconfig.exe 1 16->27         started        29 conhost.exe 19->29         started        31 ipconfig.exe 1 19->31         started        57 Multi AV Scanner detection for dropped file 23->57 59 Uses threadpools to delay analysis 23->59 33 cmd.exe 23->33         started        35 cmd.exe 23->35         started        37 InstallUtil.exe 23->37         started        process10 process11 39 conhost.exe 33->39         started        41 ipconfig.exe 1 33->41         started        43 conhost.exe 35->43         started        45 ipconfig.exe 35->45         started       
Threat name:
ByteCode-MSIL.Trojan.PureLogStealer
Status:
Malicious
First seen:
2025-05-23 19:43:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
8c13e4cc816a5e407481195d342c317237fb49b537131fe497ce3b4ead9468f0
MD5 hash:
a91807e4ffa6fd45492cff7f342fbfde
SHA1 hash:
66a2ccf4401bc64e23758e4a41fa4b061b66ead8
Detections:
PureCrypter_Stage1
Malware family:
DarkCloud
Verdict:
Malicious
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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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.

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

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