🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268
SHA3-384 hash: 6fca0cded87aa98157f4016fc63f2553f41eda09268f7579f648784b9a4c9dfff501ce6674df678ca44c0aaadc677191
SHA1 hash: 1af678980340e58d5ccf2f83d5d84a5685910e7e
MD5 hash: 5b876bd9a2608e8de84f55b15079837b
humanhash: arizona-uranus-low-fillet
File name:bRaA.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:238'592 bytes
First seen:2023-10-30 09:07:43 UTC
Last seen:2024-01-30 10:07:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc4f8e98d1041d53dd63bfb91ed10d0a (52 x RemcosRAT)
ssdeep 3072:HOSI2I7txG68nYrugMZJMfsciIpuKNtrUQlAK3qSjYPS+IAXb3Ixi5eFrgurIlNt:uvG68YrvM80ypnjAedo3qiGUY2ChzI
TLSH T1B03412641721E85AF0E090BCDA44E8F25AA97C602D8B6E0D43ECFF17F917446A7CE166
TrID 54.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.1% (.EXE) Win32 Executable (generic) (4505/5/1)
4.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'212 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
26
# of downloads :
411
Origin country :
US US
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/457064/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Reading critical registry keys
Creating a file in the %temp% directory
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Gathering data
Verdict:
Likely Malicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin packed packed packed shell32 upx
Link:
https://www.filescan.io/uploads/653f7274a6fa5eab936a8d58/reports/734c40d3-5b58-4511-8f0a-d97fadd08704/overview
Verdict:
Malicious
Labled as:
Dacic.A9349469.A.Generic
Link:
https://www.hybrid-analysis.com/sample/bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a40d8faf-d558-4440-84c8-ec331e06cc26
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334125
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to modify clipboard data
Deletes itself after installation
Installs a global keyboard hook
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-10-30 09:08:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxfexe6z2jvmmmjsjslb7wau4jnxx65x2ogi7qsqh7cnzn46ojua._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:chi collection rat spyware stealer upx
Link:
https://tria.ge/reports/231030-k3wdbsdg84/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Deletes itself
Reads user/profile data of web browsers
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
salwanazeeze.duckdns.org:9595
salwanazeeze.ddns.net:9595
Unpacked files
SH256 hash:
d11e7aac78f6b284f9cc9cd463373d133d3a648be5058a2cfaa87dd2ad740d41
MD5 hash:
a8641cd1ef947de56f5860601e838007
SHA1 hash:
e2d2745235f38518103bc5fb9a8354e189c96b82
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/2b281c58-7392-43f3-ad80-782ce8628f1c/
SH256 hash:
bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268
MD5 hash:
5b876bd9a2608e8de84f55b15079837b
SHA1 hash:
1af678980340e58d5ccf2f83d5d84a5685910e7e
Link:
https://www.unpac.me/results/2b281c58-7392-43f3-ad80-782ce8628f1c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bdca4b93d9d2/report/overview.html
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:upx_3
Create hunting rule
Author:Kevin Falcoz
Description:UPX 3.X
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

RemcosRAT

Executable exe bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268

(this sample)

  
Link
https://www.virustotal.com/gui/file/bdca4b93d9d26ac631324c961fd814e25b7bfbb7d38c8fc2503fc4dcb79e7268/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457064/

Comments