MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ea5e6ef99e87b4a2b50284b8d82b4a7d168bc3ccb13bea488bc6bd85f47dae3. 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

SHA256 hash: 4ea5e6ef99e87b4a2b50284b8d82b4a7d168bc3ccb13bea488bc6bd85f47dae3
SHA3-384 hash: ff3918248d561156180ef3f02ff9312466b500ba891b1e24a0107b1a40040bfce810709b8ceb5c490e3c1edd81ccac06
SHA1 hash: 6d22fda3248b5d26cd5f85b6cb2ddc0e3462496b
MD5 hash: dbe5ff7ebc4a4b2e38de68072126abc7
humanhash: ohio-alpha-xray-oranges
File name:dbe5ff7ebc4a4b2e38de68072126abc7.exe
Download: download sample
Signature RemcosRAT
File size:1'073'152 bytes
First seen:2025-03-31 16:54:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:fSUB+UgwY/ebBPSm+dtt3MFDfylPOmEU5N:dUUi/ebVSVp3eDfylPxB
TLSH T1D435125DBF629E26C34D4F37C147500882B2C95AE422F76B52C96DA50F23B88D98FD92
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon 16e8c8e8e8c8e812 (10 x SnakeKeylogger, 9 x Formbook, 6 x MassLogger)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'041
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
dbe5ff7ebc4a4b2e38de68072126abc7.exe
Verdict:
Malicious activity
Analysis date:
2025-03-31 17:01:00 UTC
Tags:
rat remcos remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
remcos virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for the window
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
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook obfuscated obfuscated packed packed packer_detected vbnet
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1653045 Sample: wlS0xlwzGa.exe Startdate: 31/03/2025 Architecture: WINDOWS Score: 100 46 127.0.0.1 unknown unknown 2->46 48 geoplugin.net 2->48 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 12 other signatures 2->60 8 wlS0xlwzGa.exe 7 2->8         started        12 luwXXocZNfe.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\luwXXocZNfe.exe, PE32 8->38 dropped 40 C:\Users\...\luwXXocZNfe.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9635.tmp, XML 8->42 dropped 44 C:\Users\user\AppData\...\wlS0xlwzGa.exe.log, ASCII 8->44 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 8->62 64 Adds a directory exclusion to Windows Defender 8->64 66 Injects a PE file into a foreign processes 8->66 14 wlS0xlwzGa.exe 4 13 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Contains functionality to bypass UAC (CMSTPLUA) 12->72 74 4 other signatures 12->74 24 luwXXocZNfe.exe 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 50 196.251.70.94, 43213, 49717 Web4AfricaZA Seychelles 14->50 52 geoplugin.net 178.237.33.50, 49718, 80 ATOM86-ASATOM86NL Netherlands 14->52 76 Detected Remcos RAT 14->76 78 Loading BitLocker PowerShell Module 18->78 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        signatures9 process10
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-03-26 21:04:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:chez discovery execution rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.70.94:43213
127.0.0.1:43213
Unpacked files
SH256 hash:
4ea5e6ef99e87b4a2b50284b8d82b4a7d168bc3ccb13bea488bc6bd85f47dae3
MD5 hash:
dbe5ff7ebc4a4b2e38de68072126abc7
SHA1 hash:
6d22fda3248b5d26cd5f85b6cb2ddc0e3462496b
SH256 hash:
39f009352bd63e4e5e735b3c41b1fc711de213cde08b5c70b0e7489047c3f1a4
MD5 hash:
983b35add5dc7680135b4eee9f9823c3
SHA1 hash:
3c367d9a9f01ffb60d8a022ab63f742315e26dea
SH256 hash:
ff11abe947e7b8d3bfdef97416ed41fdc0c8b0913fe6a46c1830e1d4f9a20add
MD5 hash:
b2afcfddd7b9dc2694227f087484e0ae
SHA1 hash:
7cb5147f12b4a7916b550044357152e55051e7f7
Detections:
win_remcos_w0 win_remcos_auto Remcos malware_windows_remcos_rat win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
1c6020d4b512f647b1780676b286bfd2d025ed22720bd1c99dc1a472db9d55ba
MD5 hash:
9a0d8e99b1f64fd7458593856ded1f65
SHA1 hash:
e17a972eebda84633bded6f8633c237b1637a3f4
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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.

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 (HIGH_ENTROPY_VA)high

Comments