MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7. 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 32 File information Comments
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SHA256 hash: b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7
SHA3-384 hash: c9691cc52e1291f4ece2ba0d8d3b1e996440916053ef001a58107c8ca91ed98143fa68621862f3bbca78fc3ae9811daa
SHA1 hash: 12cc82949164f9eed0941d54ee2bd195a5b942bb
MD5 hash: 6d5577b2367318a7f0bfd081698e2c3a
humanhash: twelve-august-september-leopard
File name:6d5577b2367318a7f0bfd081698e2c3a.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'530'880 bytes
First seen:2025-08-30 13:57:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ccc8dfebc5d9971e8491d80ecc850a15 (2 x RemcosRAT, 2 x DBatLoader, 1 x AgentTesla)
ssdeep 24576:JQbOxJTUrWuZt3xyPyoUkEmMF7ry/LjIpeshTb6NjSCyeiPz9WdhZwxT/8+Fzb+:JnYXxyPvUkEJIPIBhTk0z0exTEYb+
Threatray 198 similar samples on MalwareBazaar
TLSH T18165F132A6E04A37D1232175DC1797E8A9197D213E2DF8763AEC3F8C4F38292791519B
TrID 52.0% (.EXE) InstallShield setup (43053/19/16)
12.7% (.EXE) Win64 Executable (generic) (10522/11/4)
12.0% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.4% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
99
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
6d5577b2367318a7f0bfd081698e2c3a.exe
Verdict:
Malicious activity
Analysis date:
2025-08-30 14:13:03 UTC
Tags:
delphi dbatloader loader auto-sch remcos rat remote
Link:
https://app.any.run/tasks/70d2b0e1-a939-46b2-bb0c-27132383a6d0

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/24247/
Detection(s):
Win.Trojan.Modiloader-10042434-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68b303943e988eb6ab82fe40
Tags:
autorun delphi emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Searching for the window
Creating a file in the Windows subdirectories
Connection attempt to an infection source
Sending a TCP request to an infection source
Moving of the original file
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi fingerprint keylogger obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/68b303d939a6221faa7661c5/reports/7b439945-4247-47f1-ae30-f881e0cc2259/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-25T03:49:00Z UTC
Last seen:
2025-08-25T03:49:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/af984d74-309a-46eb-85f6-06163845a973
Result
Threat name:
DBatLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1768132
Signature
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768132 Sample: 0rVRExL1xX.exe Startdate: 30/08/2025 Architecture: WINDOWS Score: 100 33 postmasterrelayserver.duckdns.org 2->33 35 honeyportsecurityresearchteam.duckdns.org 2->35 37 3 other IPs or domains 2->37 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 53 10 other signatures 2->53 8 0rVRExL1xX.exe 6 2->8         started        11 rundll32.exe 3 2->11         started        signatures3 51 Uses dynamic DNS services 35->51 process4 signatures5 55 Uses schtasks.exe or at.exe to add and modify task schedules 8->55 57 Writes to foreign memory regions 8->57 59 Allocates memory in foreign processes 8->59 61 4 other signatures 8->61 13 SndVol.exe 3 8->13         started        17 cmd.exe 1 8->17         started        19 cmd.exe 1 8->19         started        23 2 other processes 8->23 21 Bcuahalg.exe 11->21         started        process6 dnsIp7 39 postmasterrelayserver.duckdns.org 192.169.69.26, 26609, 49682, 49696 WOWUS United States 13->39 41 rmdns.servesarcasm.com 146.70.67.74, 56796, 9557 TENET-1ZA United Kingdom 13->41 43 2 other IPs or domains 13->43 63 Contains functionality to bypass UAC (CMSTPLUA) 13->63 65 Contains functionalty to change the wallpaper 13->65 67 Contains functionality to steal Chrome passwords or cookies 13->67 71 3 other signatures 13->71 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        69 Allocates many large memory junks 21->69 29 SndVol.exe 21->29         started        31 conhost.exe 23->31         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/6d5577b2367318a7f0bfd081698e2c3a
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7/
Threat name:
Win32.Trojan.ModiLoader
Create hunting rule
Status:
Malicious
First seen:
2025-08-26 00:49:00 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wrxhovjp4cmuyw75nhcesratdbvx7z5jjnntxmfo4rha4zgdcldq._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
remcos
Create hunting rule
Similar samples:
134d4c6cd667d14ed0fb492442a5d759bc2878bacad500c6eb638f3343b02ec2
RemcosRAT
2c67cb07efe2293432a644febc18893d914f98bf533243769526ed22b0c464ab
RemcosRAT
971d93841f98eca38b5e2f6378483e639e6723abcfea439071419948a0a624fd
RemcosRAT
a0a8a753c1523bf8412ae06022cbc3858e683383510da9e3c4a042595dae90df
RemcosRAT
b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7
RemcosRAT
dadb4ca52e1d3cb550a109590d9724b30c289f48017ee9d82d33ad5ae2411a92
RemcosRAT
eb1ff88078431d92d55fa6e79bb5412e8aa3d965f3ebf7def0ac579ab7adaded
RemcosRAT
error
RemcosRAT
+ 188 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery execution persistence trojan
Link:
https://tria.ge/reports/250830-rar9javky6/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0
YARA:
n/a
Link:
https://app.threat.zone/submission/42e92173-97b7-4e79-9f15-185b33f24a52
Unpacked files
SH256 hash:
b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7
MD5 hash:
6d5577b2367318a7f0bfd081698e2c3a
SHA1 hash:
12cc82949164f9eed0941d54ee2bd195a5b942bb
Link:
https://www.unpac.me/results/13340dfc-b8a0-438b-893f-9528ef7d58f9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b46e77552fe0/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/b46e77552fe0994c5bfd69c4494413186b7fe7a94b5b3bb0aee44e0e64c312c7

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
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: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:DebuggerCheck__QueryInfo
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_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:lsi_remcos
Create hunting rule
Author:anonym
Description:Remcos_V5 Payload
Rule name:lsi_remcos2
Create hunting rule
Author:anonym
Description:Remcos_V5 Payload
Rule name:pe_detect_tls_callbacks
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_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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/24247/

Comments