MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670. 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: 17


Intelligence 17 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670
SHA3-384 hash: 9aeebf6a55b7bc0ca615c638b155c695aea92f9da54bcb59c8517213200301db473c816fc18d7227801aeb6622fa922b
SHA1 hash: 38cf5d9f5c94dc31f9b7eccdffd6320d9508f597
MD5 hash: b8499cd83b49002d821f80e0c1ed3526
humanhash: venus-purple-undress-sierra
File name:xKKqTdnxXw0f.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:480'768 bytes
First seen:2023-12-12 02:04:24 UTC
Last seen:2024-01-04 19:19:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:umnk7iLJbpIpiRL6I2WhSKQ9ZsfZQS2n9:WiLJbpI7I2WhQqZ729
Threatray 3'181 similar samples on MalwareBazaar
TLSH T13DA4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter pmelson
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
324
Origin country :
US US
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/466289/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% subdirectories
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control evasive eventvwr fingerprint greyware hook keylogger lolbin shell32
Link:
https://www.filescan.io/uploads/6577bfd0855eb2633d674342/reports/8f7374b5-3290-4de3-a31e-9523c228a38d/overview
Verdict:
Malicious
Labled as:
Dacic.A9349469.A.Generic
Link:
https://www.hybrid-analysis.com/sample/4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3cb14ac-58a1-4653-ae8f-7d61326b622f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1359394
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-12-12 02:05:07 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jk67zusawcof4hmm3egxqdb5xd2phwesxzy5pmyh2rafdygbkzya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1ec91c0ab95a84afe71e67bd355b04abf1cc65b68abded89ce1247dc5682a8e6
RemcosRAT
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
70d6e951bd55244ca98fe522042be5209783c38dbe261d9f4c577da2cc6939cd
RemcosRAT
a6352db3ea00691d158c0d6b5acf6f84fbb9dbb8f9584c6d722529acdf246eaa
RemcosRAT
fdc9196c194b31f7b221c487affe3d815775a436b1c26133fa6b1e8a9c252a51
RemcosRAT
+ 3'171 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost
Link:
https://tria.ge/reports/231212-chxfwsdbcm/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Deletes itself
Malware Config
C2 Extraction:
pradera.duckdns.org:8079
Unpacked files
SH256 hash:
4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670
MD5 hash:
b8499cd83b49002d821f80e0c1ed3526
SHA1 hash:
38cf5d9f5c94dc31f9b7eccdffd6320d9508f597
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/98994cda-0ac3-44f0-9b5f-94bd282cbd05/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4abdfcd240b0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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 4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670

(this sample)

  
Link
https://www.virustotal.com/gui/file/4abdfcd240b09c5e1d8cd90d780c3db8f4f3d892be71d7b307d44051e0c15670/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/466289/

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