MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df030dffbcd341ab3d91053f8824969ac3df12a240ab95443481a44a30d74a13. 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 6 File information Comments

SHA256 hash: df030dffbcd341ab3d91053f8824969ac3df12a240ab95443481a44a30d74a13
SHA3-384 hash: 1d3d38b160c817cdf47d541d173bfc2de78fc234144bb148b954be50bc82f80c9913a6a71c5d8856f6d21015f8eedc42
SHA1 hash: 5c5cb233dbe23b9fcfc83d7ab7fc9153b0584879
MD5 hash: 60b911338cf69dfa091293d196ca337b
humanhash: papa-early-music-uncle
File name:Cotización n.º 140467.exe
Download: download sample
Signature ResolverRAT
File size:64'000 bytes
First seen:2025-08-19 06:26:17 UTC
Last seen:2025-09-05 12:44:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:+rkonAhkq8T/VFuQiYPT3lX40ywNnd1NVt/d:Gf3MhYPblo0ywZNd
Threatray 321 similar samples on MalwareBazaar
TLSH T105534A0CEBDDB612D36C0ABE84F447249374C5966607F73F3EC0586D49817EA168AE8B
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 lowmal3
Tags:exe ResolverRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
28aebc0d6994ddc44531f14e6287a991334ba5e490a8b1748d7badef1407ebce.rar
Verdict:
Malicious activity
Analysis date:
2025-08-18 19:37:25 UTC
Tags:
arch-exec 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:
96.5%
Tags:
autorun micro virus msil
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 obfuscated
Result
Threat name:
DarkCloud, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops VBS files to the startup folder
Found malware configuration
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
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes or reads registry keys via WMI
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1759940 Sample: Cotizaci#U00f3n n.#U00ba 14... Startdate: 19/08/2025 Architecture: WINDOWS Score: 100 30 www.arcon.com.pe 2->30 32 showip.net 2->32 34 arcon.com.pe 2->34 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 14 other signatures 2->52 8 Cotizaci#U00f3n n.#U00ba 140467.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 36 arcon.com.pe 192.99.207.151, 443, 49681, 49687 OVHFR Canada 8->36 24 C:\Users\user\...\AccountDomainSid.exe, PE32 8->24 dropped 26 C:\Users\user\...\AccountDomainSid.vbs, ASCII 8->26 dropped 28 C:\...\AccountDomainSid.exe:Zone.Identifier, ASCII 8->28 dropped 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->56 15 InstallUtil.exe 51 8->15         started        58 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->58 19 AccountDomainSid.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 38 showip.net 162.55.60.2, 49682, 49688, 80 ACPCA United States 15->38 40 Writes or reads registry keys via WMI 15->40 42 Antivirus detection for dropped file 19->42 44 Multi AV Scanner detection for dropped file 19->44 21 InstallUtil.exe 43 19->21         started        signatures10 process11 signatures12 54 Tries to harvest and steal browser information (history, passwords, etc) 21->54
Gathering data
Threat name:
Win32.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-08-18 18:06:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Drops startup file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
df030dffbcd341ab3d91053f8824969ac3df12a240ab95443481a44a30d74a13
MD5 hash:
60b911338cf69dfa091293d196ca337b
SHA1 hash:
5c5cb233dbe23b9fcfc83d7ab7fc9153b0584879
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:NET
Author:malware-lu
Rule name:NETDLLMicrosoft
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Malspam

ResolverRAT

Executable exe df030dffbcd341ab3d91053f8824969ac3df12a240ab95443481a44a30d74a13

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (HIGH_ENTROPY_VA)high

Comments