MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a9c8c815e41e4173ef0ca4ae518d232bc3dbc5e6e62d565cf52620ab6d0a6fc. 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: 18


Intelligence 18 IOCs YARA 19 File information Comments

SHA256 hash: 9a9c8c815e41e4173ef0ca4ae518d232bc3dbc5e6e62d565cf52620ab6d0a6fc
SHA3-384 hash: 23e0ef9e76b3d7aca7c7254f37385831da60bc175ba54f4445c65b74b66f49db7376cc13ff92453509f5da8c6414c408
SHA1 hash: 949c6de97bc614d27a70f5d6f9dead9c2427b96c
MD5 hash: 6f2fd71e78a332394d6ab77747d9d81d
humanhash: uniform-georgia-three-sixteen
File name:Order#List.exe
Download: download sample
Signature RemcosRAT
File size:998'400 bytes
First seen:2023-09-04 05:24:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:xa7DVS/Xu5mxW/QduHkdd49Ba/Ps0n8A97lub3/L5IiV:QDw/eYxfdrddQgM0n8A/ub3/FIi
Threatray 2'526 similar samples on MalwareBazaar
TLSH T185250215BBA4831BDE2C7B7DF4654030C731DE067126A38ADB8A75186F9B7D2D6028F2
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 6c6868686aaac8e4 (9 x AgentTesla, 2 x SnakeKeylogger, 2 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Order#List.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 05:25:43 UTC
Tags:
rat remcos remote keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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 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
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302566 Sample: Order#List.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 12 other signatures 2->58 7 Order#List.exe 7 2->7         started        11 pIQwCnkHxxbR.exe 5 2->11         started        process3 file4 36 C:\Users\user\AppData\...\pIQwCnkHxxbR.exe, PE32 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpA327.tmp, XML 7->38 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 7->60 62 Adds a directory exclusion to Windows Defender 7->62 64 Writes many files with high entropy 7->64 13 Order#List.exe 3 499 7->13         started        18 powershell.exe 21 7->18         started        20 powershell.exe 21 7->20         started        22 schtasks.exe 1 7->22         started        66 Antivirus detection for dropped file 11->66 68 Multi AV Scanner detection for dropped file 11->68 70 Contains functionality to bypass UAC (CMSTPLUA) 11->70 72 5 other signatures 11->72 24 schtasks.exe 11->24         started        26 pIQwCnkHxxbR.exe 11->26         started        signatures5 process6 dnsIp7 48 193.42.32.237, 2404, 49718 EENET-ASEE Germany 13->48 50 geoplugin.net 178.237.33.50, 49719, 80 ATOM86-ASATOM86NL Netherlands 13->50 40 C:\Users\user\...\time_20230907_154718.dat, data 13->40 dropped 42 C:\Users\user\...\time_20230907_153718.dat, data 13->42 dropped 44 C:\Users\user\...\time_20230907_152718.dat, data 13->44 dropped 46 481 other malicious files 13->46 dropped 74 Installs a global keyboard hook 13->74 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-09-04 05:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:onyenso rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
193.42.32.237:2404
Unpacked files
SH256 hash:
2c2b48dc4869ef86ebb524a49ebc8d1e1e20af6b0df8e04536f7e9b38eb78338
MD5 hash:
d6ac6442e5bed5dbc72a9b76be948ee2
SHA1 hash:
b8647ee169f357594dbffbe488dc7f5af68806e1
SH256 hash:
a93ab27d9bd9aa5b52288ff259e1dd2e8de2c873ee8fd5bbae64bca6f7624ce0
MD5 hash:
f2a2d829d920d375609a49544173df5a
SHA1 hash:
2af0e17de7935177d0a503ec980836fae9e17920
SH256 hash:
55a3bbfb46b6ed33923661655945be698416a2c472a9422e746eae30c30c3b51
MD5 hash:
e3f8f4360a0448f441251ecab90f8ef9
SHA1 hash:
2219ccd41e38449e6013cbed37a098f9162e7514
Detections:
Remcos win_remcos_auto
SH256 hash:
0e105b75b8d49cf6129af774e9d7e37ac315e6e90d2911d3cc583854482a9e95
MD5 hash:
ac144e03b94b8bbcfa4d8f0d8f8d0dd7
SHA1 hash:
1e955889309d8a230a4ae4779cf6f839ef5f520a
SH256 hash:
9a9c8c815e41e4173ef0ca4ae518d232bc3dbc5e6e62d565cf52620ab6d0a6fc
MD5 hash:
6f2fd71e78a332394d6ab77747d9d81d
SHA1 hash:
949c6de97bc614d27a70f5d6f9dead9c2427b96c
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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.

File information


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

Malspam

RemcosRAT

Executable exe 9a9c8c815e41e4173ef0ca4ae518d232bc3dbc5e6e62d565cf52620ab6d0a6fc

(this sample)

  
Delivery method
Distributed via e-mail attachment

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