MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f. 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


RemcosRAT


Vendor detections: 19


Intelligence 19 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f
SHA3-384 hash: 0320a14afeccd992396ebd9f474176707cf95ef223cac0baa9a737d1a4c28f3a8a9e04b4b39a6a5c14ed66212eb1c7f8
SHA1 hash: 6182000d0f4b8ec13b5647494009ee6d12492684
MD5 hash: 38bb9282346ed2e04f558d023b11ffd2
humanhash: avocado-uncle-carolina-lithium
File name:VGM Declaration Form.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'050'112 bytes
First seen:2025-11-27 08:33:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:Ymx0Pq5mMbr8CftV3BMV1hlXmEOBX9Sn7EA11ad+vOZ/TamAT:YmxHrIEN2HhgLX92YW1sQCW3T
TLSH T1E725236426A8D733DC716BF62475E23103B52E4EA263C70A4EEDECDF7265B204A50B53
TrID 56.5% (.EXE) Win64 Executable (generic) (10522/11/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
VGM Declaration Form.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-11-27 08:34:31 UTC
Tags:
remcos rat remote stealer mpress
Link:
https://app.any.run/tasks/876bfd04-84b7-4d18-8dc8-7253f0321988

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/41620/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69280d086657e34332816eb7
Tags:
underscore lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Launching a service
Changing a file
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/69280d06cf370871515ede6d/reports/c542714f-3130-4270-9c3d-0b3ad06dbaea/overview
Verdict:
Malicious
Labled as:
MSIL/Kryptik.AOZS trojan
Link:
https://www.hybrid-analysis.com/sample/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-11-27T04:58:00Z UTC
Last seen:
2025-11-29T03:19:00Z UTC
Hits:
~1000
Detections:
Backdoor.Win32.Remcos.sb Trojan-Dropper.Win32.Injector.sb PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Agent.gen HEUR:Trojan.MSIL.Convagent.gen
Link:
https://opentip.kaspersky.com/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/764f3e45-c07c-427e-8936-10c0790c0c76
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1821604
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Found stalling execution ending in API Sleep call
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1821604 Sample: VGM Declaration Form.pdf.exe Startdate: 27/11/2025 Architecture: WINDOWS Score: 100 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 18 other signatures 2->51 7 VGM Declaration Form.pdf.exe 3 2->7         started        process3 file4 25 C:\Users\...\VGM Declaration Form.pdf.exe.log, CSV 7->25 dropped 53 Modifies the context of a thread in another process (thread injection) 7->53 55 Injects a PE file into a foreign processes 7->55 11 VGM Declaration Form.pdf.exe 4 3 7->11         started        signatures5 process6 dnsIp7 33 172.94.15.100, 49690, 49691, 6075 VOXILITYGB United States 11->33 27 C:\Users\user\AppData\Local\Temp\TH65FC.tmp, MS-DOS 11->27 dropped 29 C:\Users\user\AppData\Local\Temp\TH659D.tmp, MS-DOS 11->29 dropped 31 C:\Users\user\AppData\Local\Temp\TH656D.tmp, MS-DOS 11->31 dropped 57 Writes to foreign memory regions 11->57 59 Maps a DLL or memory area into another process 11->59 16 RmClient.exe 2 11->16         started        19 RmClient.exe 1 11->19         started        21 RmClient.exe 1 11->21         started        23 2 other processes 11->23 file8 signatures9 process10 signatures11 35 Tries to steal Mail credentials (via file registry) 16->35 37 Tries to harvest and steal browser information (history, passwords, etc) 16->37 39 Unusual module load detection (module proxying) 16->39 41 Tries to steal Instant Messenger accounts or passwords 19->41 43 Tries to steal Mail credentials (via file / registry access) 19->43
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.43 Win 64 Exe x64
Link:
https://app.malva.re/file/38bb9282346ed2e04f558d023b11ffd2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-11-27 08:13:13 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
9
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j7ru4wkyunfqjic7omno5rpow3djw7slhda32dow3c6lhzjs6jpq._file
Verdict:
malicious
Label(s):
nirsoft
Create hunting rule
unc_loader_037
Create hunting rule
admintool_mailpassview
Create hunting rule
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Link:
https://tria.ge/reports/251127-kgjgmstmaw/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
NirSoft MailPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
172.94.15.100:6075
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3699158d-f37e-4b88-b7a4-320d637933ec
Unpacked files
SH256 hash:
4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f
MD5 hash:
38bb9282346ed2e04f558d023b11ffd2
SHA1 hash:
6182000d0f4b8ec13b5647494009ee6d12492684
Link:
https://www.unpac.me/results/16845881-f455-44f9-806f-f2ef88f350d3/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4fe34e5958a3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f

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_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

RemcosRAT

Executable exe 4fe34e5958a34b04a05f731aeec5eeb6c69b7e4b38c1bd0dd6d8bcb3e532f25f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/41620/

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