MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
SHA3-384 hash: db2f296114667b4dbba16a16767724bbddaab0b081a9969c334eb0ed698387f2749f5d053652bacd2519a220ae737a7b
SHA1 hash: 37361dbd70c49a65f3090073b33c5c9519aa60e0
MD5 hash: 2b5d74fce2b3b6b01ce937447636ed11
humanhash: michigan-tennis-butter-fifteen
File name:86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:494'592 bytes
First seen:2023-11-27 09:19:50 UTC
Last seen:2023-12-05 07:16:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d5087ff5de35c3fbb9f212b47d63cad (170 x RemcosRAT)
ssdeep 6144:AXIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNR5Gv:AX7tPMK8ctGe4Dzl4h2QnuPs/Zs0cv
Threatray 3'006 similar samples on MalwareBazaar
TLSH T16FB49E01BAD1C072D57514300D36F776EAB8BD2028364A7BB3D61D5BFE31190B62AAB7
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
300
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460557/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

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

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file
Enabling the 'hidden' option for recently created files
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control evasive exploit explorer fingerprint greyware hook keylogger lolbin shell32
Link:
https://www.filescan.io/uploads/65645f491dea9b05c3cc2f91/reports/c198c289-a5a3-4c3c-855c-6ff60b445b21/overview
Verdict:
Malicious
Labled as:
Remcos.Generic
Link:
https://www.hybrid-analysis.com/sample/86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
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/fcf7d39c-3de1-459b-91b1-4fa8b07881de
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1348361
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
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 submitted file
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-11-27 09:20:08 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q22ntrrmvhwm3e2bcnwv2sbrksgmw6pnaahst2fizqfpzptdtsia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1ce13b1a107d66487c04da7180452270eebd76b7f0bcd1df37512fd1306d6656
RemcosRAT
86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
RemcosRAT
8af2c945b04889ffc1c53ab93223bd6ef3a0d6cae3ddb8afb4ddd36599864dc8
RemcosRAT
be8ccfb19dab5c8d7b4273dc77b34c7ca0afea516e6bf85f607904345a3ad54f
RemcosRAT
d31044022de445b61ba735083a47c5fd1f4d5c8dfcf544da489572ce3fafdc79
RemcosRAT
e804947286d19d565add00988db1b2380207b4b1d8781ced6cc2956b65fcbe13
RemcosRAT
f9d179c99b0ff492615e4afc55891611cd8a65ac6c5fd55d3fa384f676306dde
RemcosRAT
+ 2'996 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:crypted
Link:
https://tria.ge/reports/231127-larp4sfe7w/
Behaviour
Suspicious use of SetWindowsHookEx
Malware Config
C2 Extraction:
172.174.245.21:5400
Unpacked files
SH256 hash:
86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
MD5 hash:
2b5d74fce2b3b6b01ce937447636ed11
SHA1 hash:
37361dbd70c49a65f3090073b33c5c9519aa60e0
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/93d8c5b4-46fc-4aa5-9c1b-7d540df2e2b7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/86b4d9c62ca9/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/86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90

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: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.

Malspam

RemcosRAT

Executable exe 86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460557/

Comments