MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee. 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 27 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee
SHA3-384 hash: 758404870780196413895784e13944f352541c02dd895bc89d8d9a6a605eb220e8ee17c4f00a3b58631d8480af16b741
SHA1 hash: 34e9389367fffbf9edf77b4f973ff4f83bf14b87
MD5 hash: dabe08d54fa304acf839f180c0ee1211
humanhash: winter-illinois-alabama-kitten
File name:dabe08d54fa304acf839f180c0ee1211
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:884'140 bytes
First seen:2024-05-08 08:30:17 UTC
Last seen:2024-05-08 09:29:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 24576:epLBj972/zHgaqgEa8R4ztaRGcNpVnNRCxhO5shG5qt:el0/qgz8R4z0RDNpVTN5it
Threatray 1'665 similar samples on MalwareBazaar
TLSH T12915235AF678730AD20CA0B93C4172A25375B3025D27EB3D1D7DB18B75867F43227A2A
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 10f0c4c8c8c4f010 (26 x AgentTesla, 18 x Smoke Loader, 10 x Formbook)
Reporter zbetcheckin
Tags:64 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
321
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee.exe
Verdict:
Malicious activity
Analysis date:
2024-05-08 09:20:38 UTC
Tags:
rat remcos remote stealer evasion
Link:
https://app.any.run/tasks/99b7aba6-1659-4b61-9bea-27a1f604853c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.32652.14582.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Searching for synchronization primitives
Connection attempt
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed remcos
Link:
https://www.filescan.io/uploads/663b385b1c9796b80ab5ecb3/reports/a05e8d8a-fd5f-46e5-9a61-335ad9226dab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/9e867759-7ed6-49e7-8c8d-a77387c79afa
Result
Threat name:
Remcos, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438109
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Detected Remcos RAT
Drops PE files with benign system names
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Remcos
Sigma detected: Schedule system process
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 regedit.exe to modify the Windows registry
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1438109 Sample: 51hk2L6Kgw.exe Startdate: 08/05/2024 Architecture: WINDOWS Score: 100 74 geoplugin.net 2->74 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 25 other signatures 2->86 10 51hk2L6Kgw.exe 1 8 2->10         started        14 svchost.exe 3 2->14         started        16 svchost.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 72 C:\Users\user\AppData\Roaming\svchost.exe, PE32+ 10->72 dropped 116 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->116 118 Drops PE files with benign system names 10->118 20 cmd.exe 1 10->20         started        22 cmd.exe 1 10->22         started        25 conhost.exe 10->25         started        120 Multi AV Scanner detection for dropped file 14->120 122 Machine Learning detection for dropped file 14->122 124 Uses regedit.exe to modify the Windows registry 14->124 27 ngen.exe 14->27         started        33 5 other processes 14->33 126 Writes to foreign memory regions 16->126 128 Allocates memory in foreign processes 16->128 130 Injects a PE file into a foreign processes 16->130 29 aspnet_wp.exe 16->29         started        35 4 other processes 16->35 31 vbc.exe 18->31         started        37 8 other processes 18->37 signatures6 process7 signatures8 39 svchost.exe 3 20->39         started        42 conhost.exe 20->42         started        44 timeout.exe 1 20->44         started        88 Uses schtasks.exe or at.exe to add and modify task schedules 22->88 46 conhost.exe 22->46         started        48 schtasks.exe 1 22->48         started        90 Contains functionality to bypass UAC (CMSTPLUA) 27->90 92 Detected Remcos RAT 27->92 94 Contains functionalty to change the wallpaper 27->94 96 Contains functionality to steal Chrome passwords or cookies 29->96 98 Contains functionality to steal Firefox passwords or cookies 29->98 100 Delayed program exit found 29->100 50 WerFault.exe 31->50         started        process9 signatures10 110 Writes to foreign memory regions 39->110 112 Allocates memory in foreign processes 39->112 114 Injects a PE file into a foreign processes 39->114 52 wmplayer.exe 3 16 39->52         started        57 conhost.exe 39->57         started        59 wmplayer.exe 39->59         started        61 WerFault.exe 39->61         started        process11 dnsIp12 76 107.173.4.16, 2560, 49705, 49708 AS-COLOCROSSINGUS United States 52->76 78 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 52->78 70 C:\ProgramData\remcos\logs.dat, data 52->70 dropped 102 Detected Remcos RAT 52->102 104 Tries to harvest and steal browser information (history, passwords, etc) 52->104 106 Maps a DLL or memory area into another process 52->106 108 Installs a global keyboard hook 52->108 63 wmplayer.exe 52->63         started        66 wmplayer.exe 52->66         started        68 wmplayer.exe 52->68         started        file13 signatures14 process15 signatures16 132 Tries to steal Instant Messenger accounts or passwords 63->132 134 Tries to steal Mail credentials (via file / registry access) 63->134 136 Tries to harvest and steal browser information (history, passwords, etc) 66->136
Score:
65%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee/
Threat name:
Win64.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-05-08 00:16:09 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t23bun534igkpk6drwtnskyvyzkm4maf5lcfdulgtgqbw7avwdxa._file
Verdict:
malicious
Similar samples:
034a3732828ad09b79a12c66bf7eee3058427808bdae8b19291fffc828ee1fbf
RemcosRAT
05bcef8138fe660e6b755afb54117d5872829732fa017f0eb13a5cb1007122f6
RemcosRAT
3545201f518bc9bc8e5150985cb204b4ab27128b5f8f977077abdcc1c9621450
RemcosRAT
b925abb193e7003f4a692064148ffe7840096022a44f4d5ae4c0abb59a287934
RemcosRAT
bfcf6d5227339dcf5e3a724db318f0f4b1b1ffe0635a94bc4555bb4a690a2750
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c35d5fb22d47e276e38fde699fc3b1e88e60a708d85b6ebea69815dec5d4883e
RemcosRAT
ce021aaca1ac091165c6bd6d9b27d41c0994d308f39bce54a5d7e59ba76a421e
RemcosRAT
+ 1'655 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/240508-keqg6sbf3z/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
107.173.4.16:2560
Unpacked files
SH256 hash:
9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee
MD5 hash:
dabe08d54fa304acf839f180c0ee1211
SHA1 hash:
34e9389367fffbf9edf77b4f973ff4f83bf14b87
Link:
https://www.unpac.me/results/d359f180-0b63-4c02-b769-787216872910/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9eb61a37bbe2/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/9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
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
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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
Rule name:yara_template
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe 9eb61a37bbe20ca7abc38da6d92b15c654ce3005eac451d16699a01b7c15b0ee

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2842842/
  
URLhaus
https://urlhaus.abuse.ch/url/2843878/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments


Avatar
zbet commented on 2024-05-08 08:30:18 UTC

url : hxxp://192.3.179.142/44556/HJCL.exe