MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 17ca4af085fa1e845509a2e7d0bc6f155fff8b1215e001002e3d7704d04e0903. 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
| SHA256 hash: | 17ca4af085fa1e845509a2e7d0bc6f155fff8b1215e001002e3d7704d04e0903 |
|---|---|
| SHA3-384 hash: | 81cc6993ddc36374cfc77e1d42cd7c3f4512c53e987770d8c64cfcab2d2eaf8feab6bd75c54731bfad2e7af86558a6fa |
| SHA1 hash: | 67b1cb98a90c3aa5a07edbb2b296672dd8b7b972 |
| MD5 hash: | 5c7bab2ded159841142ae243ccd6736e |
| humanhash: | mango-avocado-sodium-white |
| File name: | Specification9.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'102'848 bytes |
| First seen: | 2025-12-30 11:58:03 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:M3x6NwuFqcP6INu97U0V5hbikFAoUTYBJcsjpK2ayIOWFORiw:M3xoFNPvNuFU87PAdMUAAynWgkw |
| Threatray | 96 similar samples on MalwareBazaar |
| TLSH | T1C935235A156CC926C0C60BF69D61E1BA3B385DEABD82D2178FD07F9FB0397418E90352 |
| 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 |  Ling |
| Tags: | exe PureLogStealer RemcosRAT Trojan:MSIL/PureLogStealer.ZYI!MTB |
Intelligence
File Origin
# of uploads :
1
# of downloads :
117
Origin country :
USVendor Threat Intelligence
No detections
Malware family:
remcos
ID:
1
File name:
_17ca4af085fa1e845509a2e7d0bc6f155fff8b1215e001002e3d7704d04e0903.exe
Verdict:
Malicious activity
Analysis date:
2025-12-30 11:59:02 UTC
Tags:
remcos rat auto-sch-xml
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
stration shell spawn
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
formbook krypt packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-29T14:01:00Z UTC
Last seen:
2025-12-31T02:32:00Z UTC
Hits:
~10
Detections:
Trojan.MSIL.Crypt.sb HEUR:Trojan.MSIL.Taskun.sb PDM:Trojan.Win32.Generic HEUR:Trojan-PSW.MSIL.PureLogs.gen Trojan.MSIL.Taskun.sb Trojan.Win32.Agent.sb
Malware family:
Agent Tesla
Verdict:
Malicious
Score:
90%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.49 Win 64 Exe x64
Detection:
remcos
Verdict:
Malicious
Threat:
Family.REMCOS
Threat name:
Win64.Trojan.PureLogStealer
Status:
Malicious
First seen:
2025-12-30 08:26:00 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
14 of 36 (38.89%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
unc_loader_037
Similar samples:
+ 86 additional samples on MalwareBazaar
Gathering data
Verdict:
Malicious
Tags:
Win.Packed.Formbook-10023131-0
YARA:
n/a
Unpacked files
SH256 hash:
17ca4af085fa1e845509a2e7d0bc6f155fff8b1215e001002e3d7704d04e0903
MD5 hash:
5c7bab2ded159841142ae243ccd6736e
SHA1 hash:
67b1cb98a90c3aa5a07edbb2b296672dd8b7b972
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DetectEncryptedVariants |
|---|---|
| Author: | Zinyth |
| Description: | Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded |
| Rule name: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | Remcos_unpacked_PulseIntel |
|---|---|
| Author: | PulseIntel |
| Description: | Remcos Payload |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| 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 |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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