MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea. 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: 20


Intelligence 20 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea
SHA3-384 hash: d3c6457265002def2a28f06ab2314943fddb3853828870fe586c1224749bca8cfc49987298c2922743a1c5023f89d97a
SHA1 hash: aa01d8b189e8480ca12543b54197c4044b787095
MD5 hash: b5bcd6febecd3f21b8a7c19525ccb0d8
humanhash: georgia-minnesota-may-uncle
File name:PO7736346483837483737476364636236463.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:963'080 bytes
First seen:2025-08-06 09:15:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:6wNNaaPSvM7YjVNKkeScD9O192e5fzlIOqf:RzV4VNKXSwexl1qf
Threatray 4'142 similar samples on MalwareBazaar
TLSH T19825236167F8CA12E0BA9BF1A471E13267363E19F152E212ADC6CDDF3408BF05B45B12
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 lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO7736346483837483737476364636236463.bat
Verdict:
Malicious activity
Analysis date:
2025-08-06 09:19:05 UTC
Tags:
rat remcos remote auto-sch-xml
Link:
https://app.any.run/tasks/53002260-09c9-4290-98c0-6d6aee5a7f88

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/19160/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68931d5711d7f9b979e60012
Tags:
krypt spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap config-extracted evasive expired-cert invalid-signature lolbin masquerade msbuild obfuscated packed packed packed phishing rat rat reconnaissance regsvcs remcos remcos rezer0 roboski schtasks signed stego vbc windows
Link:
https://www.filescan.io/uploads/68931d499ef4d2ff7cedb930/reports/56461d14-ad4f-44ae-a1c8-07f5b0ddd109/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b724c0fe-6ef9-4746-b0a3-011208159629
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1751227
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1751227 Sample: PO7736346483837483737476364... Startdate: 06/08/2025 Architecture: WINDOWS Score: 100 56 komkom.ddns.net 2->56 58 geoplugin.net 2->58 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 70 9 other signatures 2->70 8 PO7736346483837483737476364636236463.bat.exe 7 2->8         started        12 iKUsepHuluxGat.exe 5 2->12         started        14 svchost.exe 2->14         started        signatures3 68 Uses dynamic DNS services 56->68 process4 dnsIp5 44 C:\Users\user\AppData\...\iKUsepHuluxGat.exe, PE32 8->44 dropped 46 C:\...\iKUsepHuluxGat.exe:Zone.Identifier, ASCII 8->46 dropped 48 C:\Users\user\AppData\Local\...\tmpF9DA.tmp, XML 8->48 dropped 50 PO7736346483837483...6236463.bat.exe.log, ASCII 8->50 dropped 78 Uses schtasks.exe or at.exe to add and modify task schedules 8->78 80 Adds a directory exclusion to Windows Defender 8->80 82 Injects a PE file into a foreign processes 8->82 17 PO7736346483837483737476364636236463.bat.exe 2 16 8->17         started        22 powershell.exe 23 8->22         started        24 powershell.exe 23 8->24         started        26 schtasks.exe 1 8->26         started        84 Multi AV Scanner detection for dropped file 12->84 86 Contains functionalty to change the wallpaper 12->86 88 Contains functionality to register a low level keyboard hook 12->88 90 Delayed program exit found 12->90 28 iKUsepHuluxGat.exe 12->28         started        30 schtasks.exe 12->30         started        60 127.0.0.1 unknown unknown 14->60 file6 signatures7 process8 dnsIp9 52 komkom.ddns.net 84.38.132.101, 3535, 49686 DATACLUBLV Latvia 17->52 54 geoplugin.net 178.237.33.50, 49687, 80 ATOM86-ASATOM86NL Netherlands 17->54 42 C:\ProgramData\remcos\logs.dat, data 17->42 dropped 72 Detected Remcos RAT 17->72 74 Installs a global keyboard hook 17->74 76 Loading BitLocker PowerShell Module 22->76 32 WmiPrvSE.exe 22->32         started        34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 30->40         started        file10 signatures11 process12
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.35 Win 32 Exe x86
Link:
https://app.malva.re/file/b5bcd6febecd3f21b8a7c19525ccb0d8
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea/
Threat name:
Win32.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 09:15:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dp6gp7nhhh5uxhmoyunlobobgsbznu36w5v6aa2rqpqswjwh63va._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0bc4589749f91661e58192bb1200809244d27248e8ee1935baeaaaefd60aa7f6
RemcosRAT
1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea
RemcosRAT
38bea9d33c9abedb0a1d3cb21b492de123247a0b07647cd0e04ad2ba47fef2dd
RemcosRAT
59558d5bc10450ec63904f60f61b13f2e2feba2160c02bdd50eba25cd1b3b355
RemcosRAT
b89219f349b4d70a5a2388c390fcff2aff6267dfec60887dafbcaf948ff96a56
RemcosRAT
error
RemcosRAT
+ 4'132 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution persistence rat
Link:
https://tria.ge/reports/250806-k8cheagk9t/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
komkom.ddns.net:3535
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e7e484ab-7a25-43f0-98e5-ac0b6c2f08a5
Unpacked files
SH256 hash:
38b6a17351f53ae3a88c1782de4a19d3a76339262956f318241b7e6ddf434b84
MD5 hash:
86021b787c38200c2b369f436af81190
SHA1 hash:
0a5e4fdf52a0d105201875dbd24b68a37f77097c
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/bf29c6d0-9ff7-46e3-a4e9-bc32ee0e2c9d/
SH256 hash:
00049daf2e95649a724141fb24f6ac431a1a451f4b686dbbb97443379c821088
MD5 hash:
aa8038c1eb2e84e43b46114d91f8b00b
SHA1 hash:
4f7d03e7cd44ca646a2dcc8f53534f3aee9718ef
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/bf29c6d0-9ff7-46e3-a4e9-bc32ee0e2c9d/
Parent samples :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 hash:
40855512d997309379ea7367b6023d91d4c1e9197ee02929b2398051e52461d1
MD5 hash:
53a4e06fff96fa4349c6704ac597909c
SHA1 hash:
cdff580cd3e6d121ad62181bfb7d135b74ad4b82
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/bf29c6d0-9ff7-46e3-a4e9-bc32ee0e2c9d/
SH256 hash:
1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea
MD5 hash:
b5bcd6febecd3f21b8a7c19525ccb0d8
SHA1 hash:
aa01d8b189e8480ca12543b54197c4044b787095
Link:
https://www.unpac.me/results/bf29c6d0-9ff7-46e3-a4e9-bc32ee0e2c9d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1bfc67fda739/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/1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

Malspam

RemcosRAT

Executable exe 1bfc67fda739fb4b9d8ec51ab705c1348396d37eb76be0035183e12b26c7f6ea

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/19160/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments