MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30. 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: 21


Intelligence 21 IOCs 1 YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30
SHA3-384 hash: b1f3f16a71ef26404f30d7d4817d5fb5663327bb6d7652c1199c1a4e9f3c1dbe7ccd7f290d07e0cc3110308367347766
SHA1 hash: 703cb35e5f57af8e00d0ad6e8cec95d265e03045
MD5 hash: 7074a83ea96851794840476d7947aa7e
humanhash: helium-robert-aspen-august
File name:Shipment Documents.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'074'688 bytes
First seen:2025-10-07 09:25:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:lNI19z38Y7wuFKqzMGEyD9DqkWZRwKI/UPHOonqfV4Y9sy/lfnrR/y75x+A6wW9:S9oYfK01DQkEM/MX89/lnrR/yHT
TLSH T171357C8EAA12858AF950D7B8CE736B801654D6A31C711367F3D9293ED86FBF91D80703
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 abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
172.245.209.167:2404

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
172.245.209.167:2404 https://threatfox.abuse.ch/ioc/1608277/

Intelligence

File Origin
# of uploads :
1
# of downloads :
124
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30.exe
Verdict:
Malicious activity
Analysis date:
2025-10-07 09:28:07 UTC
Tags:
remcos rat auto-startup purecrypter netreactor
Link:
https://app.any.run/tasks/e8789667-7cd9-43ee-889d-b8985a5996b4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30940/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
Create hunting rule

Win.Trojan.Generic-10014419-0
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e4dca47f305fa2545d366f
Tags:
autorun crypted obfusc remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/68e4dc9f5a3bccf09ebb2878/reports/879e015e-680e-40ae-ae9d-09f1ee453c23/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-07T06:21:00Z UTC
Last seen:
2025-10-09T05:23:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f57e2f40-a414-4008-921e-c5415e31c5ab
Result
Threat name:
Remcos, PureLog Stealer, ResolverRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1790463
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
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
Sigma detected: Drops script at startup location
Sigma detected: Remcos
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)
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 PureLog Stealer
Yara detected Remcos RAT
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1790463 Sample: Shipment Documents.exe Startdate: 07/10/2025 Architecture: WINDOWS Score: 100 32 www.wingofffly.store 2->32 34 geoplugin.net 2->34 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 15 other signatures 2->60 8 Shipment Documents.exe 5 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 24 C:\Users\user\AppData\...\FallbackBuffer.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\...\FallbackBuffer.vbs, ASCII 8->26 dropped 28 C:\...\FallbackBuffer.exe:Zone.Identifier, ASCII 8->28 dropped 64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->64 14 InstallUtil.exe 2 9 8->14         started        66 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->66 19 FallbackBuffer.exe 2 12->19         started        signatures6 process7 dnsIp8 36 www.wingofffly.store 172.245.209.167, 2404, 49712 AS-COLOCROSSINGUS United States 14->36 38 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 14->38 30 C:\ProgramData\updater\logs.dat, data 14->30 dropped 40 Detected Remcos RAT 14->40 42 Contains functionalty to change the wallpaper 14->42 44 Contains functionality to steal Chrome passwords or cookies 14->44 52 4 other signatures 14->52 46 Multi AV Scanner detection for dropped file 19->46 48 Writes to foreign memory regions 19->48 50 Injects a PE file into a foreign processes 19->50 21 InstallUtil.exe 19->21         started        file9 signatures10 process11 signatures12 62 Detected Remcos RAT 21->62
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Link:
https://app.malva.re/file/7074a83ea96851794840476d7947aa7e
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30
Threat name:
Win32.Trojan.ResolverRAT
Create hunting rule
Status:
Malicious
First seen:
2025-10-07 09:25:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hnvqvw7rqsitt7n7vpgobxgcmhpkijeyeubthx43lclrxva2xqya._file
Verdict:
malicious
Label(s):
unc_loader_078
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 discovery rat
Link:
https://tria.ge/reports/251007-ld13ysvqx7/
Behaviour
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
Remcos
Remcos family
Malware Config
C2 Extraction:
www.wingofffly.store:2404
www.flywing.online:2404
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e25c5c4a-8641-4ec5-848f-a58b34c2032b
Unpacked files
SH256 hash:
3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30
MD5 hash:
7074a83ea96851794840476d7947aa7e
SHA1 hash:
703cb35e5f57af8e00d0ad6e8cec95d265e03045
Link:
https://www.unpac.me/results/7f651187-24c4-4ff5-af30-9871bf3c0cf1/
SH256 hash:
e314f4edd5f6a36462b20beeded97a539921ff4aeb2f2893612a9aef50806b1d
MD5 hash:
4db77fc81ce6cb853781c1286618d57c
SHA1 hash:
44a3a09ee054e48b4b4f64b45c728b75475eac67
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/7f651187-24c4-4ff5-af30-9871bf3c0cf1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3b6b0adbf184/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/3b6b0adbf1849139fdbfabcce0dcc261dea42498250333df9b58971bd41abc30

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_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/30940/

Comments