MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5605e9734bff4fcc29f092dd2e4f7c5c95bcdc342d5362c2ac36507e238ba5da. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: 5605e9734bff4fcc29f092dd2e4f7c5c95bcdc342d5362c2ac36507e238ba5da
SHA3-384 hash: 601c799b63d52376e890017198af70f1a7aa702b795857d87999e45319bf3c28f5ee3a4b101709b9a8a179d9e80bfcde
SHA1 hash: a624d1cdbdb1cd68c63af398b22ed70f91552ce4
MD5 hash: feba5bc555dee49a63f94ebbf31e9b32
humanhash: zebra-sweet-carbon-india
File name:DFFHDFHD.EXE
Download: download sample
Signature RemcosRAT
File size:615'312 bytes
First seen:2022-11-23 15:34:51 UTC
Last seen:2022-11-23 17:36:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:dpohpprHlNEVdjRTR5wlD1IYeo7lzUNb4fzACi/x8T:dpc7D6dj5szIT8OEAN5m
Threatray 3'076 similar samples on MalwareBazaar
TLSH T104D402919FA76982DD3E4D3CDBCCFA40916CC2DEBD5B4796C72F428E0832289549F906
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DFFHDFHD.EXE
Verdict:
Malicious activity
Analysis date:
2022-11-23 15:38:33 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed
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:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files to the startup folder
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Sigma detected: Remcos
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 752565 Sample: DFFHDFHD.EXE.exe Startdate: 23/11/2022 Architecture: WINDOWS Score: 100 44 Multi AV Scanner detection for domain / URL 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 12 other signatures 2->50 7 DFFHDFHD.EXE.exe 1 2->7         started        11 SystFBFDSHFDDFem.exe 1 2->11         started        process3 file4 32 C:\Users\user\...\DFFHDFHD.EXE.exe.log, ASCII 7->32 dropped 52 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->52 13 powershell.exe 13 7->13         started        17 RegSvcs.exe 2 18 7->17         started        20 powershell.exe 3 11->20         started        22 RegSvcs.exe 11->22         started        24 RegSvcs.exe 11->24         started        signatures5 process6 dnsIp7 34 C:\Users\user\...\SystFBFDSHFDDFem.exe, PE32 13->34 dropped 36 C:\...\SystFBFDSHFDDFem.exe:Zone.Identifier, ASCII 13->36 dropped 54 Drops PE files to the startup folder 13->54 56 Powershell drops PE file 13->56 26 conhost.exe 13->26         started        40 gdyhjjdhbvxgsfe.gotdns.ch 37.139.129.71, 2718, 49703 LVLT-10753US Germany 17->40 42 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 17->42 38 C:\ProgramData\remcos\logs.dat, data 17->38 dropped 58 Installs a global keyboard hook 17->58 28 conhost.exe 17->28         started        30 conhost.exe 20->30         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Leonem
Status:
Malicious
First seen:
2022-11-04 09:55:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:awa rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
SH256 hash:
5605e9734bff4fcc29f092dd2e4f7c5c95bcdc342d5362c2ac36507e238ba5da
MD5 hash:
feba5bc555dee49a63f94ebbf31e9b32
SHA1 hash:
a624d1cdbdb1cd68c63af398b22ed70f91552ce4
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments