MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1. 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
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SHA256 hash: 289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1
SHA3-384 hash: f11ef6eb34d150517061933b77c826a7d50bddb4941173448a85325ad9235ec4273a15e37382a40fa1cd6edbbe1f5614
SHA1 hash: 7ab52cb52f849d67491504e4f0630dde87a8ae6e
MD5 hash: c95e141e69551013bf607b3bc0f5cc8a
humanhash: maine-comet-chicken-football
File name:Facturas pagadas.exe
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:805'888 bytes
First seen:2025-06-07 00:03:55 UTC
Last seen:2025-06-20 08:19:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:jwVTSeM7Gl9X5W5oinSYL2b4HFRe0vO5RKJBW6LlXN6sFcS9/ItuT:jwVTSeM7Gl9X5EoinSYL2b4HFRe0vO5U
TLSH T14C053E037A964DA1D34A5B72CDAB48100FF8E7897737DF2F2D8A636A290377B584150B
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 threatcat_ch
Tags:exe ResolverRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
685
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Facturas pagadas.exe
Verdict:
Malicious activity
Analysis date:
2025-06-07 00:05:43 UTC
Tags:
stealer evasion auto-startup darkcloud upx
Link:
https://app.any.run/tasks/5d9f5b21-972e-414d-af27-2e6412193fad

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/7861/
Detection(s):
SecuriteInfo.com.HTML-37987.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684382338bd5d68a12e61d34
Tags:
autorun virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Sending a custom TCP request
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4d83b54d-6529-45fa-9f03-de9f2ac5ac5f
Result
Threat name:
DarkCloud, ResolverRAT
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Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1708653
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops VBS files to the startup folder
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: 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)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1708653 Sample: Facturas pagadas.exe Startdate: 07/06/2025 Architecture: WINDOWS Score: 100 84 api.telegram.org 2->84 86 showip.net 2->86 88 rubberpartsmanufacturers.com 2->88 92 Suricata IDS alerts for network traffic 2->92 94 Malicious sample detected (through community Yara rule) 2->94 96 Antivirus detection for dropped file 2->96 100 14 other signatures 2->100 10 Facturas pagadas.exe 15 5 2->10         started        15 wscript.exe 2->15         started        signatures3 98 Uses the Telegram API (likely for C&C communication) 84->98 process4 dnsIp5 90 rubberpartsmanufacturers.com 103.191.208.122, 443, 49717, 49724 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 10->90 74 C:\Users\user\AppData\Roaming\Subject.exe, PE32 10->74 dropped 76 C:\Users\user\...\Subject.exe:Zone.Identifier, ASCII 10->76 dropped 78 C:\Users\user\AppData\Roaming\...\Subject.vbs, ASCII 10->78 dropped 112 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->112 114 Writes to foreign memory regions 10->114 116 Injects a PE file into a foreign processes 10->116 17 InstallUtil.exe 2 55 10->17         started        118 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->118 22 Subject.exe 15->22         started        file6 signatures7 process8 dnsIp9 80 api.telegram.org 149.154.167.220, 443, 49727, 49728 TELEGRAMRU United Kingdom 17->80 82 showip.net 162.55.60.2, 49720, 49725, 80 ACPCA United States 17->82 68 C:\Users\user\AppData\...\chrome.exe (copy), PE32 17->68 dropped 70 C:\Users\user\AppData\...\Project1.exe, PE32 17->70 dropped 102 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->102 104 Tries to steal Mail credentials (via file / registry access) 17->104 106 Uses threadpools to delay analysis 17->106 24 chrome.exe 2 17->24         started        27 taskkill.exe 1 17->27         started        29 GoogleChrome.exe 1 17->29         started        34 19 other processes 17->34 108 Antivirus detection for dropped file 22->108 110 Multi AV Scanner detection for dropped file 22->110 31 InstallUtil.exe 22->31         started        file10 signatures11 process12 file13 72 C:\Program Filesbehaviorgraphoogle\...behaviorgraphoogleChrome.exe, PE32 24->72 dropped 36 GoogleChrome.exe 1 24->36         started        38 conhost.exe 27->38         started        40 conhost.exe 29->40         started        120 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 31->120 122 Tries to steal Mail credentials (via file / registry access) 31->122 124 Tries to harvest and steal browser information (history, passwords, etc) 31->124 42 taskkill.exe 31->42         started        44 GoogleChrome.exe 31->44         started        46 GoogleChrome.exe 31->46         started        50 3 other processes 31->50 48 conhost.exe 34->48         started        52 18 other processes 34->52 signatures14 process15 process16 54 conhost.exe 36->54         started        56 conhost.exe 42->56         started        58 conhost.exe 44->58         started        60 conhost.exe 46->60         started        62 conhost.exe 50->62         started        64 conhost.exe 50->64         started        66 conhost.exe 50->66         started       
Score:
84%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
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Status:
Malicious
First seen:
2025-06-06 18:23:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fckxjsi6n2uftowwtnbxwxuahitsthxxzjcgtjurauwbzsq65liq._file
Verdict:
malicious
Label(s):
darkcloudstealer
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Similar samples:
error
ResolverRAT
Result
Malware family:
darkcloud
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Score:
  10/10
Tags:
family:darkcloud discovery stealer
Link:
https://tria.ge/reports/250607-acpgzsam5z/
Behaviour
Kills process with taskkill
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
darkcloud
YARA:
n/a
Link:
https://app.threat.zone/submission/1214e5cd-ecd9-4f7c-bbac-1b7c7e3408ec
Unpacked files
SH256 hash:
289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1
MD5 hash:
c95e141e69551013bf607b3bc0f5cc8a
SHA1 hash:
7ab52cb52f849d67491504e4f0630dde87a8ae6e
Link:
https://www.unpac.me/results/705dfd02-e516-4780-9399-0b52944c6874/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/289574c91e6e/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/289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1

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.

Malspam

ResolverRAT

Executable exe 289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/7861/

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