MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c230214b625b1602d90b804a4f1a80836d1b2839c226492419c53d7e642fcca0. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c230214b625b1602d90b804a4f1a80836d1b2839c226492419c53d7e642fcca0
SHA3-384 hash: 6a5dc7008f592bb56484902ffbd45e9078e329ad282794bcd92d564bccbd37f341745a92c5fda35c38570ec90a047a09
SHA1 hash: 37d8163cd302d4cd6ef6aadee387a68804694c59
MD5 hash: d588ff3a8cf3dfef4f30d147fe425cb5
humanhash: quebec-foxtrot-video-red
File name:Dhl Letter.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'063'936 bytes
First seen:2022-08-29 07:24:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 55a02a3bb89eabb57a7926d8b815868b (4 x ModiLoader, 3 x Formbook, 1 x RemcosRAT)
ssdeep 12288:GN2GTPb9jivw0kYJqZczNwLuNkpXMcwq/EHjetkku4nzSr7Uz8ci0glQRSwnGVMj:GrTz0kNGlNCc5qtkku4nzSr7W8ciZGS
TLSH T17C35BEEAB2E15F33D1671B3DEC2752546A297E101A6454025BF72C4C8F3AA90393A3F7
TrID 93.9% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
2.0% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.8% (.SCR) Windows screen saver (13101/52/3)
0.6% (.EXE) Win32 Executable (generic) (4505/5/1)
0.4% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon eef2eed69696eabe (10 x RemcosRAT, 8 x ModiLoader, 6 x Formbook)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Dhl Letter.exe
Verdict:
Malicious activity
Analysis date:
2022-08-29 07:29:15 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/6bd288ae-b7c2-440e-9600-a5f974adad0a

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/302074/
Detection(s):
SecuriteInfo.com.AI.Packer.7BA51BF319.5940.3331.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Setting a keyboard event handler
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/30664/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger
Link:
https://www.filescan.io/uploads/630c6a62a7450371f6874c3e/reports/3d7f8fd8-24a2-4d70-8a0d-8d81c3a4e487/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/42f421cd-4c8f-4261-9cbb-3005fd67ea7b
Result
Threat name:
DBatLoader, PrivateLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1059583
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Delayed program exit found
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Yara detected DBatLoader
Yara detected PrivateLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 692099 Sample: Dhl Letter.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 32 prosir.casacam.net 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 Yara detected PrivateLoader 2->44 46 3 other signatures 2->46 9 Dhl Letter.exe 4 5 2->9         started        12 abj.exe 1 2->12         started        14 abj.exe 1 2->14         started        signatures3 process4 file5 26 C:\Users\user\AppData\Roaming\b2b\abj.exe, PE32 9->26 dropped 28 C:\Users\user\...\abj.exe:Zone.Identifier, ASCII 9->28 dropped 30 C:\Users\user\AppData\Local\...\install.vbs, data 9->30 dropped 16 wscript.exe 1 9->16         started        process6 process7 18 cmd.exe 1 16->18         started        process8 20 abj.exe 2 5 18->20         started        24 conhost.exe 18->24         started        dnsIp9 34 prosir.casacam.net 20->34 36 amalar.camdvr.org 149.102.155.214, 2404, 49721, 49722 COGENT-174US United States 20->36 38 stopeet.camdvr.org 20->38 48 Contains functionalty to change the wallpaper 20->48 50 Contains functionality to inject code into remote processes 20->50 52 Contains functionality to register a low level keyboard hook 20->52 54 2 other signatures 20->54 signatures10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c230214b625b1602d90b804a4f1a80836d1b2839c226492419c53d7e642fcca0/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-29 00:26:18 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yiyccs3clmlafwilqbfe6guaqnwrwkbzyitesjazyu6x4zbpzsqa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220829-h8y1asdehj/
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
amalar.camdvr.org:2404
stopeet.camdvr.org:2404
prosir.casacam.net:2404
Unpacked files
SH256 hash:
c7e5ac9c03780595bbdda8ad15b87344f5d09e290774c1ee8013ce1f501fa6a8
MD5 hash:
9a17184e20eda06af3c389460551dde3
SHA1 hash:
5f19a1d3a4bc075d70c4e794b5404427d0f213a6
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b9781e70-1425-42d6-b771-f1225b1ed7e6/
SH256 hash:
c230214b625b1602d90b804a4f1a80836d1b2839c226492419c53d7e642fcca0
MD5 hash:
d588ff3a8cf3dfef4f30d147fe425cb5
SHA1 hash:
37d8163cd302d4cd6ef6aadee387a68804694c59
Link:
https://www.unpac.me/results/b9781e70-1425-42d6-b771-f1225b1ed7e6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c230214b625b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/c230214b625b1602d90b804a4f1a80836d1b2839c226492419c53d7e642fcca0

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_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/302074/

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