MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100
SHA3-384 hash: a98d04cd0aa3aaed81432ed51d948049d55688f30c420621b4bd028f5c5bce185874eb91a66fe7a3be20cb505b6ec93a
SHA1 hash: d3bc4dad714801c3d65c965ea5c28737605bc949
MD5 hash: c601b463f2c693d91680a58d962aaf88
humanhash: golf-social-december-oscar
File name:ARASGROUP-RFQ_TMB845_MATERIALS&TECH-SPEC-OP6736-2025.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:378'880 bytes
First seen:2025-08-08 17:08:13 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 6144:QtjUiBMwzBBMKTJXxDHfngtPOVHqQtHGJnQbq0DZU2hrGHFfv6sH:niBJM5ONqQdGJnQbq0NGHF3
TLSH T1F9845BAE53C55E6BD0BF077BE4E21B198B70E570A38BE39D10801D698C27B968DC6713
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
_ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100.exe
Verdict:
Malicious activity
Analysis date:
2025-08-08 17:09:59 UTC
Tags:
purecrypter rat remcos remote auto-startup susp-powershell netreactor
Link:
https://app.any.run/tasks/61f9fff8-cdd3-42d0-9b87-81d6b108d50d

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/19752/
Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68962f1711d7f9b979e6afc6
Tags:
obfuscate autorun xtreme virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file
Creating a window
Sending an HTTP GET request
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 obfuscated obfuscated packed packed smartassembly smart_assembly threat
Link:
https://www.filescan.io/uploads/68962f19397fd3ce6fa27ea1/reports/a9e6c1d0-fe5c-494f-a743-890859056cef/overview
Verdict:
Malicious
Labled as:
Dump:Generic.Dacic.6232
Link:
https://www.hybrid-analysis.com/sample/ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec596a68-fecd-4125-a15a-6e6f4df47c9f
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/1753231
Signature
.NET source code contains potential unpacker
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
Encrypted powershell cmdline option found
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: Powershell Base64 Encoded MpPreference Cmdlet
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: 1753231 Sample: ARASGROUP-RFQ_TMB845_MATERI... Startdate: 08/08/2025 Architecture: WINDOWS Score: 100 37 drive.usercontent.google.com 2->37 39 drive.google.com 2->39 59 Suricata IDS alerts for network traffic 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 14 other signatures 2->65 8 ARASGROUP-RFQ_TMB845_MATERIALS&TECH-SPEC-OP6736-2025.exe 15 6 2->8         started        13 wscript.exe 1 2->13         started        signatures3 process4 dnsIp5 41 drive.google.com 142.250.80.110, 443, 49691 GOOGLEUS United States 8->41 43 drive.usercontent.google.com 142.250.80.97, 443, 49692, 49703 GOOGLEUS United States 8->43 33 C:\Users\user\...\IsBrowserDisplay.exe, PE32 8->33 dropped 35 C:\Users\user\...\IsBrowserDisplay.vbs, ASCII 8->35 dropped 67 Drops VBS files to the startup folder 8->67 69 Encrypted powershell cmdline option found 8->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->71 75 2 other signatures 8->75 15 InstallUtil.exe 2 4 8->15         started        20 powershell.exe 7 8->20         started        73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->73 22 IsBrowserDisplay.exe 14 2 13->22         started        file6 signatures7 process8 dnsIp9 45 212.162.149.164, 443, 49695, 49696 UNREAL-SERVERSUS Netherlands 15->45 31 C:\ProgramData\remcos\logs.dat, data 15->31 dropped 49 Detected Remcos RAT 15->49 51 Contains functionalty to change the wallpaper 15->51 53 Contains functionality to steal Chrome passwords or cookies 15->53 57 4 other signatures 15->57 24 conhost.exe 15->24         started        26 conhost.exe 20->26         started        47 142.251.40.238, 443, 49702 GOOGLEUS United States 22->47 55 Multi AV Scanner detection for dropped file 22->55 28 InstallUtil.exe 22->28         started        file10 signatures11 process12 signatures13 77 Detected Remcos RAT 28->77
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.41 Win 32 Exe x86
Link:
https://app.malva.re/file/c601b463f2c693d91680a58d962aaf88
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-08-08 09:55:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zihfxwwdnudlqr7jtqfy5wd4352krbfos7wx5qtutmmm27momeaa._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/250808-vnw2es1ky4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Remcos
Remcos family
Malware Config
C2 Extraction:
212.162.149.164:443
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d748cda2-4595-49cb-ab2e-b09859bc39b3
Unpacked files
SH256 hash:
ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100
MD5 hash:
c601b463f2c693d91680a58d962aaf88
SHA1 hash:
d3bc4dad714801c3d65c965ea5c28737605bc949
Link:
https://www.unpac.me/results/4c3228c9-a485-427a-ac53-5b54d2c3bba2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca0e5bdac36d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

File information

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

Malspam

RemcosRAT

Executable exe ca0e5bdac36d06b847e99c0b8ed87cdf74a884ae97ed7ec2749b18cd7d8e6100

(this sample)

unknown 8fc8aff80a4ba3995a097b55ebb7e542db1a08ef15192cc70e832310d1349892

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/19752/
  
Dropping
SHA256 8fc8aff80a4ba3995a097b55ebb7e542db1a08ef15192cc70e832310d1349892
  
Dropping
MD5 f2b0b21eb63401d7845d9102835654ec

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