MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02df0de18ec748e4c41479366528c94750f1f2c810eb9640cd484ad17fd165a9. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 02df0de18ec748e4c41479366528c94750f1f2c810eb9640cd484ad17fd165a9
SHA3-384 hash: b671ee7cee18b9e69f985beb6d3f7e0c1e01969a76150d9c2b692a9ece442554fecee8b35a67b0ece8fd8dffd4b03bfe
SHA1 hash: 95951f309c96c9725e726429be56ee8e687f3a77
MD5 hash: 978cab451a398232f7add347e637a8be
humanhash: steak-helium-queen-london
File name:Angebotsanfrage_Müller_Maschinen_GmbH_29052025.exe
Download: download sample
Signature ResolverRAT
File size:446'464 bytes
First seen:2025-05-30 07:47:55 UTC
Last seen:Never
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:zjv1xfGp+zmGN5cyfwFOh/BRJ9v+dYdMN2ga:zjtxfGcKK5zZ9MN2
TLSH T12C94E74677B8874EE2E75F74FCA2220049BBECD5998DEB0A1420149938633758F4E77B
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
dhash icon 0d4d0d2666596975 (1 x ResolverRAT)
Reporter abuse_ch
Tags:de-pumped exe ResolverRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
434
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Angebotsanfrage_Müller_Maschinen_GmbH_29052025.exe
Verdict:
Malicious activity
Analysis date:
2025-05-30 07:51:05 UTC
Tags:
purecrypter netreactor stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Using the Windows Management Instrumentation requests
Creating a window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 lolbin obfuscated reconnaissance remote
Result
Threat name:
ResolverRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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 dynamic DNS services
Uses threadpools to delay analysis
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected ResolverRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1702097 Sample: Angebotsanfrage_M#U00fcller... Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 31 maritellsburyies.duckdns.org 2->31 33 sanel.net.pl 2->33 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected ResolverRAT 2->47 49 Yara detected AntiVM3 2->49 53 5 other signatures 2->53 9 Angebotsanfrage_M#U00fcller_Maschinen_GmbH_29052025.exe 15 2 2->9         started        signatures3 51 Uses dynamic DNS services 31->51 process4 dnsIp5 35 sanel.net.pl 77.55.253.14, 443, 49717 NAZWAPL Poland 9->35 55 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->55 57 Writes to foreign memory regions 9->57 59 Injects a PE file into a foreign processes 9->59 61 Uses threadpools to delay analysis 9->61 13 InstallUtil.exe 4 9->13         started        signatures6 process7 dnsIp8 43 maritellsburyies.duckdns.org 62.60.247.105, 49723, 49752, 49753 ASLINE-AS-APASLINELIMITEDHK Iran (ISLAMIC Republic Of) 13->43 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->63 65 Tries to steal Mail credentials (via file / registry access) 13->65 67 Tries to harvest and steal browser information (history, passwords, etc) 13->67 69 6 other signatures 13->69 17 chrome.exe 1 13->17         started        20 chrome.exe 13->20 injected 22 chrome.exe 13->22 injected 24 4 other processes 13->24 signatures9 process10 dnsIp11 29 192.168.2.4, 138, 443, 49222 unknown unknown 17->29 26 chrome.exe 17->26         started        process12 dnsIp13 37 googlehosted.l.googleusercontent.com 142.250.113.132, 443, 49739 GOOGLEUS United States 26->37 39 142.250.115.106, 443, 49729, 49730 GOOGLEUS United States 26->39 41 6 other IPs or domains 26->41
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Status:
Malicious
First seen:
2025-05-30 07:48:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
collection discovery
Behaviour
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
02df0de18ec748e4c41479366528c94750f1f2c810eb9640cd484ad17fd165a9
MD5 hash:
978cab451a398232f7add347e637a8be
SHA1 hash:
95951f309c96c9725e726429be56ee8e687f3a77
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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

ResolverRAT

Executable exe 02df0de18ec748e4c41479366528c94750f1f2c810eb9640cd484ad17fd165a9

(this sample)

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