MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee. 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 8 File information Comments

SHA256 hash: 5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee
SHA3-384 hash: ba4e68bc3f3c3f8d8b027596010978173f1143458a74f1ab94c1851bc1cad652248a1082993d63f7d1603d66a8a4bf81
SHA1 hash: 7114649dc2116ff3ca020c05440464738c1ae13b
MD5 hash: 2eb993eae521117abeb184195490b57a
humanhash: eighteen-mountain-jersey-pizza
File name:5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee
Download: download sample
Signature RemcosRAT
File size:1'382'912 bytes
First seen:2022-10-07 11:38:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:Sl1XSjildH84qAc/8jAx6SgXIWA8KB4iEkz/K3h2:S/NH84I/8jA1geB4R2g
Threatray 3'565 similar samples on MalwareBazaar
TLSH T1545501641776C906CCADA534D8D2F2711FA46ED1836FC24B09EC3D77F23B29869A13A1
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
241
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee
Verdict:
Malicious activity
Analysis date:
2022-10-07 11:38:51 UTC
Tags:
n/a

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
DNS request
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
formbook 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:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
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)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 718241 Sample: 5ECCMpy86h.exe Startdate: 07/10/2022 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for URL or domain 2->49 51 10 other signatures 2->51 8 5ECCMpy86h.exe 3 2->8         started        process3 file4 29 C:\Users\user\AppData\...\5ECCMpy86h.exe.log, ASCII 8->29 dropped 53 Injects a PE file into a foreign processes 8->53 12 5ECCMpy86h.exe 2 17 8->12         started        signatures5 process6 dnsIp7 35 valvesco.duckdns.org 81.161.229.148, 49701, 49702, 5050 CMCSUS Germany 12->35 37 geoplugin.net 178.237.33.50, 49703, 80 ATOM86-ASATOM86NL Netherlands 12->37 31 C:\ProgramData\remcos\logs.dat, data 12->31 dropped 55 Maps a DLL or memory area into another process 12->55 57 Installs a global keyboard hook 12->57 17 5ECCMpy86h.exe 1 12->17         started        20 5ECCMpy86h.exe 12->20         started        22 5ECCMpy86h.exe 12->22         started        24 24 other processes 12->24 file8 signatures9 process10 dnsIp11 39 Tries to steal Instant Messenger accounts or passwords 17->39 41 Tries to steal Mail credentials (via file / registry access) 17->41 33 192.168.2.1 unknown unknown 24->33 43 Tries to harvest and steal browser information (history, passwords, etc) 24->43 27 WerFault.exe 23 11 24->27         started        signatures12 process13
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-09-15 03:55:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:new rem stub collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
valvesco.duckdns.org:5050
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c289ec2f57b341220c33145c8b6474d1011d387ab39dacb7b17d69c359548448
MD5 hash:
bd2adeed00397e7545a539d761458af9
SHA1 hash:
b5a1cbca39c6923308f914accf611771996f7097
Detections:
win_remcos_auto
SH256 hash:
10873121c641f67e56210a058b54ae4a722ae31acf2fdb807ae75fe60797f66b
MD5 hash:
f2dfa3ff9aaf9b519957e906fa29864a
SHA1 hash:
68df1cbfd0c87ad94d423df423f03fc2741212a6
SH256 hash:
44c50087cbd9a86677ff5b898c1ad52abf5f25297179a174edcc8b81dec967fc
MD5 hash:
d012ba9057bf67c7f29871326f2af919
SHA1 hash:
1d5b8b512b37f0e1900496b578117082929654c7
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
b7ae3ba9b4d707ce945cd8021753562dd00cab208ca1e6fd84e054541ebc8e4a
MD5 hash:
671ac0fd6457f15394bfd148a2f19cf0
SHA1 hash:
045d5ca64bddd1d3664a31272da563623010ba5d
SH256 hash:
5542dd26db06cbc6b03f1323db7ff6792a69bcf3dcd6a6c978b91018c7f0a0ee
MD5 hash:
2eb993eae521117abeb184195490b57a
SHA1 hash:
7114649dc2116ff3ca020c05440464738c1ae13b
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Comments