MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817. 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: 19


Intelligence 19 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817
SHA3-384 hash: 2a02d4845ca1fcefd08d5651e71fbaa8d7dd32f7297ecec72988c0410ee904a0f10c1268f9c100252cbf22ab4a8f1c24
SHA1 hash: ccf727bd273bdc31ce158a46cfd151fc2b9b85d5
MD5 hash: 2fd81801e9d0d8b835a4e48372876bf0
humanhash: edward-yankee-double-california
File name:DHL Shipped Documents for 3-Shipments 205+19.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'071'104 bytes
First seen:2024-03-13 10:20:24 UTC
Last seen:2024-03-13 12:40:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'655 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:potl6JnbeVcW1/IksIH96lE38GUmdd3ydnCxtQhMfm9dQGQkeE:potAJnbeVcfk3mE+mednsQhMgdLv5
Threatray 3'655 similar samples on MalwareBazaar
TLSH T16935230272E88750C4BEA3F1952125485371B68B73B1D388AE8576ED8CA57D18F8BFD3
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e8967949713b8ee0 (10 x AgentTesla, 1 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
192.210.201.57:52499

Intelligence

File Origin
# of uploads :
2
# of downloads :
430
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817.exe
Verdict:
Malicious activity
Analysis date:
2024-03-13 10:21:55 UTC
Tags:
remcos rat keylogger stealer
Link:
https://app.any.run/tasks/dd53ea3f-428e-4f6a-bd04-33e9b2ce0ffc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/478871/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2743.9775.13449.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65f17e113f97ea2d1e3cd848/reports/88df0515-dcb0-422a-828c-c372017ff45e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817
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/8ed4eb0f-5561-4536-870e-be1f97735d96
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1408144
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Snort IDS alert for network traffic
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)
Yara detected AntiVM3
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: 1408144 Sample: DHL Shipped Documents for  ... Startdate: 13/03/2024 Architecture: WINDOWS Score: 100 65 geoplugin.net 2->65 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 20 other signatures 2->73 11 DHL Shipped Documents for  3-Shipments 205+19.exe 4 2->11         started        14 remcos.exe 2->14         started        16 remcos.exe 2->16         started        signatures3 process4 signatures5 91 Adds a directory exclusion to Windows Defender 11->91 18 DHL Shipped Documents for  3-Shipments 205+19.exe 2 4 11->18         started        22 powershell.exe 23 11->22         started        24 remcos.exe 14->24         started        26 remcos.exe 16->26         started        process6 file7 57 C:\ProgramData\Remcos\remcos.exe, PE32 18->57 dropped 75 Detected Remcos RAT 18->75 77 Creates autostart registry keys with suspicious names 18->77 28 remcos.exe 4 18->28         started        31 conhost.exe 22->31         started        signatures8 process9 signatures10 93 Antivirus detection for dropped file 28->93 95 Multi AV Scanner detection for dropped file 28->95 97 Tries to steal Mail credentials (via file registry) 28->97 99 2 other signatures 28->99 33 remcos.exe 3 16 28->33         started        38 powershell.exe 23 28->38         started        40 remcos.exe 28->40         started        process11 dnsIp12 61 192.210.201.57, 49729, 49730, 52499 AS-COLOCROSSINGUS United States 33->61 63 geoplugin.net 178.237.33.50, 49731, 80 ATOM86-ASATOM86NL Netherlands 33->63 59 C:\ProgramData\Remcos\logs.dat, data 33->59 dropped 79 Detected Remcos RAT 33->79 81 Maps a DLL or memory area into another process 33->81 83 Installs a global keyboard hook 33->83 42 remcos.exe 33->42         started        45 remcos.exe 33->45         started        47 remcos.exe 33->47         started        53 4 other processes 33->53 49 conhost.exe 38->49         started        51 WmiPrvSE.exe 38->51         started        file13 signatures14 process15 signatures16 85 Tries to steal Instant Messenger accounts or passwords 42->85 87 Tries to steal Mail credentials (via file / registry access) 42->87 89 Tries to harvest and steal browser information (history, passwords, etc) 47->89 55 WerFault.exe 53->55         started        process17
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-03-13 09:13:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nj6gu4u5quwqdv2igj2iwzlrxl5o7til2evm5uzoj6uiczvpralq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1351e61c2b4c13ccf8b28d7f1f9aa82f7cce424e723a30bacbfa404d1d98fa6d
RemcosRAT
8efed2063a46f5fcc92d1a8c625c79700ee8fef6a4c6a919887ab8c96b8a7073
RemcosRAT
95f60da49e0b3b74cbc5232eb3332000146c1d2a5b4923fb118b8971585fa81f
RemcosRAT
c08cb69aed7f30fe924a3fee014f33aabadaf11644e304c25b28f64c4fa09c48
RemcosRAT
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
RemcosRAT
+ 3'645 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mr kay collection persistence rat spyware stealer
Link:
https://tria.ge/reports/240313-mdm2rsah6w/
Behaviour
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
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
192.210.201.57:52499
Unpacked files
SH256 hash:
6167ab229530655cb13b7baa960646dab6c4ee7527229e1e0203b84f7f60b280
MD5 hash:
48e0bc2484df60d6a5f2f8830de4a691
SHA1 hash:
dc8df89023d29764bd942e0e4a2c5e931cee590a
Link:
https://www.unpac.me/results/3489a57f-075b-49df-b848-7b1dd7e7f281/
SH256 hash:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/3489a57f-075b-49df-b848-7b1dd7e7f281/
SH256 hash:
79f55b8192bd354e841ccb9be7350ed3e64e38a71e3535edbe005eab554bc4d4
MD5 hash:
a64f4598ca866a5d4f48ef11e06a9da4
SHA1 hash:
76dbc8aa3fe5c43cc13b6113501f78761da99cc1
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_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/3489a57f-075b-49df-b848-7b1dd7e7f281/
SH256 hash:
e6b25e7250cdd5f75ec51545b9105bdf202d880898ec9c4cd75c131d9262e1d0
MD5 hash:
0c01ecddd3880a71ee7b626706813efb
SHA1 hash:
37eecee4ca36bb984095155b6a3a2e640f452e0d
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/3489a57f-075b-49df-b848-7b1dd7e7f281/
Parent samples :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 hash:
6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817
MD5 hash:
2fd81801e9d0d8b835a4e48372876bf0
SHA1 hash:
ccf727bd273bdc31ce158a46cfd151fc2b9b85d5
Link:
https://www.unpac.me/results/3489a57f-075b-49df-b848-7b1dd7e7f281/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6a7c6a729d85/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/6a7c6a729d852d01d74832748b6571bafaefcd0bd12aced32e4fa88166af8817

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Cape
Cape
https://www.capesandbox.com/analysis/478871/

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 (HIGH_ENTROPY_VA)high

Comments