MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e. 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: 16


Intelligence 16 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
SHA3-384 hash: 39fe201cc6e6dd6e59b04fbe9bea72527c9d504c640559e9a5511a3587b220ee273a49a1667e7b5612016cfe4ef7683d
SHA1 hash: a3aa9e241a49c3df6ec4384bb561787477fc40f2
MD5 hash: bed965ab1c0fca67cab238ae8b4dc4bd
humanhash: green-earth-friend-kansas
File name:9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'393'664 bytes
First seen:2026-02-05 15:10:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c1ce208b1192bfcf652c179f34f034d3 (37 x AgentTesla, 23 x Formbook, 8 x SnakeKeylogger)
ssdeep 24576:G5EmXFtKaL4/oFe5T9yyXYfP1MAXDzGVgipT45hIeHFciTyLzOXEu9JslUO:GPVt/LZeJbInGizGVgiReJFizON9W
Threatray 1 similar samples on MalwareBazaar
TLSH T15C55C00273D1C066FFAB92334B56F6115BBC7A260123A61F13A81D7ABD701B1563E7A3
TrID 50.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
19.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon aae2f3e38383b629 (2'697 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
File size (compressed) :887'296 bytes
File size (de-compressed) :1'393'664 bytes
Format:win32/pe
Packed file: 9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Link:
https://research.acce.ciphertechsolutions.com/results/443834b4-0d6f-401a-b3b0-8eb43dcac174/
Malware family:
n/a
ID:
1
File name:
9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
Verdict:
No threats detected
Analysis date:
2026-02-05 16:57:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/09fafbb9-190c-40d1-a9d9-140ff8294097

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/51931/
Detection(s):
SecuriteInfo.com.Win32.Trojan.Agent.35E5V6.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6984b2f6117f8ed80109c746
Tags:
autoit emotet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint hacktool installer-heuristic keylogger microsoft_visual_cc packed zusy
Link:
https://www.filescan.io/uploads/6984b2e0930564ff3c8d161e/reports/73cf1b49-dfe0-4805-bccc-29401faac822/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-01-14T12:44:00Z UTC
Last seen:
2026-01-16T03:45:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b35ae3ca-1356-4323-8dee-83a514fb5a63
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1864064
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e/
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-01-14 18:58:12 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=t4nnk77ktkw2icb3thuyjyz7fs64ozulampycwxjj7eppn4rtzha._file
Verdict:
malicious
Label(s):
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/260205-skamxaht2c/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Remcos
Remcos family
Malware Config
C2 Extraction:
178.16.54.26:5545
Unpacked files
SH256 hash:
d1cd2dc88fbc579e94795a66ff80761f9415fd7d8b7090232151a2f977af0ba8
MD5 hash:
8cf392c2abfe08d67e22380263239c6e
SHA1 hash:
e804b95b453316e99c2938c467266aff38325cd3
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
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_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/e77188d9-2b75-46df-8637-0a58dff6b018/
Parent samples :
9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
SH256 hash:
9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
MD5 hash:
bed965ab1c0fca67cab238ae8b4dc4bd
SHA1 hash:
a3aa9e241a49c3df6ec4384bb561787477fc40f2
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/e77188d9-2b75-46df-8637-0a58dff6b018/
Parent samples :
9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f1ad57fea9a/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/9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/
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.

RemcosRAT

Executable exe 9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c

RemcosRAT

Executable exe 9f1ad57fea9aada4083b99e984e33f2cbdc7668b031f815ae94fc8f7b7919e4e

(this sample)

  
Dropped by
SHA256 9c6f80d730105771c2403d9ef774e4f0fd554a2cc048d6760477bfb833c4bb5c
Cape
Cape
https://www.capesandbox.com/analysis/51931/
  
Dropped by
MD5 1f1667d0647514ed49578698d5992e36

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