MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0351062f7da26f1a85c0e6ed3edeb701aec500391a62b8f382f97084b395749. 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 12 File information Comments

SHA256 hash: b0351062f7da26f1a85c0e6ed3edeb701aec500391a62b8f382f97084b395749
SHA3-384 hash: a6ea416c6c685dea9bc67461b53812844b71a4132e70d70fe281f869411c9406c2c1e335f0afdb42872c879e24642424
SHA1 hash: b3a3510f0edf7db3479bbe492fc17b1efcebca7d
MD5 hash: df4421516b8dfbe2641937947ed1182c
humanhash: august-delaware-early-two
File name:DHL-DOCS-PDF.exe
Download: download sample
Signature RemcosRAT
File size:709'632 bytes
First seen:2023-08-17 18:24:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d674711caf6b20067455c4ec9f6d708e (1 x ModiLoader, 1 x RemcosRAT)
ssdeep 12288:IHvcLtcc+LtcDzSPGSkK1mWqXt1H4UeP0wAz7J2qEO8g:IPoccPSwFz3H4UeP0j7oqEO
Threatray 2'469 similar samples on MalwareBazaar
TLSH T13BE4A013F2D1E432D116A778EDCACE88982AFA202A5C54176AFD1D9A1F35D807C3578F
TrID 74.5% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
12.2% (.EXE) InstallShield setup (43053/19/16)
4.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.7% (.SCR) Windows screen saver (13097/50/3)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon f0e0cecce8f8d8d8 (2 x RemcosRAT, 1 x ModiLoader)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DHL-DOCS-PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-08-17 19:05:19 UTC
Tags:
installer dbatloader 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
Searching for the window
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
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:
Remcos, DBatLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Sigma detected: Remcos
Snort IDS alert for network traffic
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293141 Sample: DHL-DOCS-PDF.exe Startdate: 17/08/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 8 other signatures 2->80 11 DHL-DOCS-PDF.exe 4 23 2->11         started        16 Rbsgekns.PIF 2->16         started        18 Rbsgekns.PIF 2->18         started        process3 dnsIp4 58 www.rainbow-industrie.com 178.32.90.242, 2550, 49720 OVHFR France 11->58 60 geoplugin.net 178.237.33.50, 49721, 80 ATOM86-ASATOM86NL Netherlands 11->60 66 4 other IPs or domains 11->66 46 C:\Users\Public\Libraries\netutils.dll, PE32+ 11->46 dropped 48 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 11->48 dropped 50 C:\Users\Public\Libraries\Rbsgekns.PIF, PE32 11->50 dropped 92 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 11->92 94 Drops PE files with a suspicious file extension 11->94 20 cmd.exe 1 11->20         started        62 y1qk5g.dm.files.1drv.com 16->62 68 3 other IPs or domains 16->68 96 Multi AV Scanner detection for dropped file 16->96 98 Machine Learning detection for dropped file 16->98 64 y1qk5g.dm.files.1drv.com 18->64 70 3 other IPs or domains 18->70 file5 signatures6 process7 signatures8 82 Uses ping.exe to sleep 20->82 84 Drops executables to the windows directory (C:\Windows) and starts them 20->84 86 Uses ping.exe to check the status of other devices and networks 20->86 23 easinvoker.exe 20->23         started        25 PING.EXE 1 20->25         started        28 xcopy.exe 2 20->28         started        31 8 other processes 20->31 process9 dnsIp10 33 cmd.exe 1 23->33         started        56 127.0.0.1 unknown unknown 25->56 52 C:\Windows \System32\easinvoker.exe, PE32+ 28->52 dropped 54 C:\Windows \System32\netutils.dll, PE32+ 31->54 dropped file11 process12 signatures13 72 Adds a directory exclusion to Windows Defender 33->72 36 cmd.exe 1 33->36         started        39 conhost.exe 33->39         started        process14 signatures15 88 Adds a directory exclusion to Windows Defender 36->88 41 powershell.exe 23 36->41         started        process16 signatures17 90 DLL side loading technique detected 41->90 44 conhost.exe 41->44         started        process18
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-16 06:06:49 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:yul persistence rat trojan
Behaviour
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.rainbow-industrie.com:2550
Unpacked files
SH256 hash:
b0351062f7da26f1a85c0e6ed3edeb701aec500391a62b8f382f97084b395749
MD5 hash:
df4421516b8dfbe2641937947ed1182c
SHA1 hash:
b3a3510f0edf7db3479bbe492fc17b1efcebca7d
Detections:
DbatLoaderStage1 win_dbatloader_g1
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:CMD_Ping_Localhost
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MALWARE_Win_ModiLoader
Author:ditekSHen
Description:Detects ModiLoader
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:without_attachments
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any attachment
Reference:http://laboratorio.blogs.hispasec.com/
Rule name:without_urls
Author:Antonio Sanchez <asanchez@hispasec.com>
Description:Rule to detect the no presence of any url
Reference:http://laboratorio.blogs.hispasec.com/

File information


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

Malspam

RemcosRAT

Executable exe b0351062f7da26f1a85c0e6ed3edeb701aec500391a62b8f382f97084b395749

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments