MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607
SHA3-384 hash: 2dd9a6c419030f4d3e5df90f22d7fa8111d2e73640849732e01b4f5a83b67a092b10033261095ae9e939aa679270eca0
SHA1 hash: 6f0855e950cc53fdd39f1b45efc0143a347a2d4d
MD5 hash: 978714e4d51c0714a5058fd2b27bf9af
humanhash: north-pasta-kentucky-sink
File name:RFQ-OFH060825-HUAYU-2x20GP 5x40HC.scr
Download: download sample
Signature ResolverRAT
Create hunting rule
File size:117'760 bytes
First seen:2025-08-25 04:36:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 3072:/LObQJ2omIb5eO3LOY621Qri7MYfp8C465trnnJ:CbQJ7mo5eO7OJ21Qr+zfp54ytnn
TLSH T18AB392CBBA8BD5F2C2504B77C4D7900003A4DB81F7A3D71A79CA235A1A4B7BA594734B
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 :
1
# of downloads :
76
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
RFQ-OFH060825-HUAYU-2x20GP 5x40HC.scr
Verdict:
Malicious activity
Analysis date:
2025-08-25 04:38:51 UTC
Tags:
purecrypter netreactor auto-startup evasion stealer ultravnc rmm-tool exfiltration smtp agenttesla
Link:
https://app.any.run/tasks/57a3e65d-9dbb-4e65-a06f-7e69bb5f5c0b

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/23317/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68abe8626eed937d746d9e2f
Tags:
autorun lien
Result
Verdict:
Clean
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 masquerade net_reactor obfuscated packed
Link:
https://www.filescan.io/uploads/68abe8617137d684583aac20/reports/312a7e05-a6bf-40da-8b16-1324e8a426ab/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-24T21:25:00Z UTC
Last seen:
2025-08-24T21:25:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a5984985-b568-4a70-8824-84fe7fb282c9
Result
Threat name:
AgentTesla, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1764222
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Check if machine is in data center or colocation facility
Drops VBS files to the startup folder
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1764222 Sample: RFQ-OFH060825-HUAYU-2x20GP ... Startdate: 25/08/2025 Architecture: WINDOWS Score: 100 30 primeline.it.com 2->30 32 mail.taikei-rmc-co.biz 2->32 34 ip-api.com 2->34 56 Suricata IDS alerts for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 13 other signatures 2->62 8 RFQ-OFH060825-HUAYU-2x20GP 5x40HC.scr.exe 15 5 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 36 primeline.it.com 83.217.209.222, 443, 49716, 49724 INF-NET-ASRU Russian Federation 8->36 24 C:\Users\user\AppData\Roaming\Vibrator.exe, PE32 8->24 dropped 26 C:\Users\...\Vibrator.exe:Zone.Identifier, ASCII 8->26 dropped 28 C:\Users\user\AppData\...\Vibrator.vbs, ASCII 8->28 dropped 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->72 74 Writes to foreign memory regions 8->74 76 Injects a PE file into a foreign processes 8->76 15 InstallUtil.exe 14 2 8->15         started        78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->78 19 Vibrator.exe 14 2 13->19         started        file6 signatures7 process8 dnsIp9 38 ip-api.com 208.95.112.1, 49722, 49726, 80 TUT-ASUS United States 15->38 40 mail.taikei-rmc-co.biz 103.253.42.215, 49723, 49727, 587 TELE-ASTeleAsiaLimitedHK Hong Kong 15->40 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 15->44 46 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->46 54 2 other signatures 15->54 48 Multi AV Scanner detection for dropped file 19->48 50 Writes to foreign memory regions 19->50 52 Injects a PE file into a foreign processes 19->52 21 InstallUtil.exe 2 19->21         started        signatures10 process11 signatures12 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->64 66 Tries to steal Mail credentials (via file / registry access) 21->66 68 Tries to harvest and steal ftp login credentials 21->68 70 2 other signatures 21->70
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.50 Win 32 Exe x86
Link:
https://app.malva.re/file/978714e4d51c0714a5058fd2b27bf9af
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-08-25 01:02:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 38 (68.42%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jdeddcda4swy5kv2u5an5xzgpws2nlrnamwgdpqktx3c3k7byydq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/250825-e8nmsa11bt/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Looks up external IP address via web service
Drops startup file
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d3dcd08a-e510-4fbe-81b8-086bb0ae9640
Unpacked files
SH256 hash:
48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607
MD5 hash:
978714e4d51c0714a5058fd2b27bf9af
SHA1 hash:
6f0855e950cc53fdd39f1b45efc0143a347a2d4d
Link:
https://www.unpac.me/results/55bcb52c-5ea5-492c-b427-aaba6f1d36dd/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/48c8318860e4/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/48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
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 48c8318860e4ad8eaabaa740dedf267da5a6ae2d032c61be0a9df62dabe1c607

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23317/

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