MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0. 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 3 File information Comments

SHA256 hash: 688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0
SHA3-384 hash: 58057440379131a49f50d2c8ad5ffba79528bb00f91a963b7a372d2af44af72a53c51e58eefb3d7d3333875ad42b7a45
SHA1 hash: abb561c141dab098b5d28f8d98fb290820b0f1a6
MD5 hash: d90d929eed0b2f19a2dfc97207e4f1ed
humanhash: maine-mobile-harry-cat
File name:PO-2143224.exe
Download: download sample
Signature RemcosRAT
File size:886'272 bytes
First seen:2024-02-15 11:02:31 UTC
Last seen:2024-02-19 08:42:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:BNP+nbEexncWPdhCCKlhOr8c/eQMNYCi0M:mbEqncAC1ieQMNYC
Threatray 738 similar samples on MalwareBazaar
TLSH T13D152366835DE767C538063FD2B9CA9567B4B56F246AEADD9BC54C8C03ACB20C3D8403
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
302
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0.exe
Verdict:
Malicious activity
Analysis date:
2024-02-15 11:41:21 UTC
Tags:
rat remcos remote stealer

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

Behaviour
Creating a window
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:
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.
Malware family:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
Remcos, PureLog Stealer
Detection:
malicious
Classification:
rans.phis.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 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
Injects a PE file into a foreign processes
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1392798 Sample: PO-2143224.exe Startdate: 15/02/2024 Architecture: WINDOWS Score: 100 58 geoplugin.net 2->58 68 Multi AV Scanner detection for domain / URL 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 16 other signatures 2->74 9 PO-2143224.exe 7 2->9         started        13 TQbZIZmgTPXQc.exe 5 2->13         started        signatures3 process4 file5 54 C:\Users\user\AppData\...\TQbZIZmgTPXQc.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\...\tmpEB2D.tmp, XML 9->56 dropped 76 Tries to steal Mail credentials (via file registry) 9->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 9->78 80 Adds a directory exclusion to Windows Defender 9->80 82 Injects a PE file into a foreign processes 9->82 15 PO-2143224.exe 3 14 9->15         started        19 powershell.exe 23 9->19         started        21 powershell.exe 23 9->21         started        23 schtasks.exe 1 9->23         started        84 Antivirus detection for dropped file 13->84 86 Multi AV Scanner detection for dropped file 13->86 88 Contains functionality to bypass UAC (CMSTPLUA) 13->88 90 6 other signatures 13->90 25 schtasks.exe 13->25         started        27 TQbZIZmgTPXQc.exe 13->27         started        29 TQbZIZmgTPXQc.exe 13->29         started        signatures6 process7 dnsIp8 60 198.27.121.194, 2024, 49707, 49709 OVHFR Canada 15->60 62 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 15->62 64 Tries to harvest and steal browser information (history, passwords, etc) 15->64 66 Maps a DLL or memory area into another process 15->66 31 PO-2143224.exe 15->31         started        34 PO-2143224.exe 15->34         started        36 PO-2143224.exe 15->36         started        48 6 other processes 15->48 38 conhost.exe 19->38         started        40 WmiPrvSE.exe 19->40         started        42 conhost.exe 21->42         started        44 conhost.exe 23->44         started        46 conhost.exe 25->46         started        signatures9 process10 signatures11 92 Tries to steal Instant Messenger accounts or passwords 31->92 94 Tries to steal Mail credentials (via file / registry access) 31->94 96 Tries to harvest and steal browser information (history, passwords, etc) 48->96 50 WerFault.exe 48->50         started        52 WerFault.exe 48->52         started        process12
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2024-02-14 10:10:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:desk collection rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
198.27.121.194:2024
Unpacked files
SH256 hash:
085770560d9f0035a2416ea0f5375a9456221236796f4e5346bad61e956598d8
MD5 hash:
ca2f9695aa16063d24b5f2e9e303c60e
SHA1 hash:
f5039baace7a48a2e98aa295ab4428a97d85abc2
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Parent samples :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 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
SH256 hash:
ec3188533ec20700da582da981d2ed5c78a1667bd4081cc7872dd838b5a86f70
MD5 hash:
8d74d201bd543c8dbb70c151f4e6a279
SHA1 hash:
658c25ab4e430c7e32a5c132895af1b024203f49
SH256 hash:
688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0
MD5 hash:
d90d929eed0b2f19a2dfc97207e4f1ed
SHA1 hash:
abb561c141dab098b5d28f8d98fb290820b0f1a6
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

RemcosRAT

Executable exe 688e1a87b049676464e3aa5303d9a48f184da32c3fdfa0c092e1744153e761b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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