MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments 1

SHA256 hash: e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a
SHA3-384 hash: 11cce897daf1d4813b7cd46108283fac742eb380cad28e345eacdacd343f9fa83f0a9547369b910230596bb5374302c6
SHA1 hash: 261268d043679a90fca1b6489738f5a1df30105e
MD5 hash: 9dda72072bb5f352a9100dc0bc6c089f
humanhash: muppet-sierra-undress-speaker
File name:9dda72072bb5f352a9100dc0bc6c089f
Download: download sample
Signature RemcosRAT
File size:1'538'560 bytes
First seen:2024-01-26 15:01:13 UTC
Last seen:2024-01-26 16:30:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:8AHnh+eWsN3skA4RV1Hom2KXMmHaGKnmSp3fgmm36sSx7bIhVmgPWsuJ5:bh+ZkldoPK8YaGoYdSFbITP+t
Threatray 130 similar samples on MalwareBazaar
TLSH T11065CF0273A7D071FFA6E2774F65F55315792D398933862E12E82EA879785B0823D233
TrID 63.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
11.6% (.EXE) Win64 Executable (generic) (10523/12/4)
7.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 30f08e1596e0708a (1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
413
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit fingerprint keylogger lolbin packed remcos shell32
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.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Binary is likely a compiled AutoIt script file
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
Drops VBS files to the startup folder
Found malware configuration
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 submitted file
Sigma detected: Drops script at startup location
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
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: 1381744 Sample: a0uagTpHuq.exe Startdate: 26/01/2024 Architecture: WINDOWS Score: 100 36 geoplugin.net 2->36 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 10 other signatures 2->56 8 a0uagTpHuq.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\name.exe, PE32 8->30 dropped 66 Binary is likely a compiled AutoIt script file 8->66 14 name.exe 4 19 8->14         started        68 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->68 19 name.exe 2 12->19         started        signatures6 process7 dnsIp8 38 107.173.4.16, 49714, 49715, 49717 AS-COLOCROSSINGUS United States 14->38 40 geoplugin.net 178.237.33.50, 49716, 80 ATOM86-ASATOM86NL Netherlands 14->40 32 C:\Users\user\AppData\Roaming\...\name.vbs, data 14->32 dropped 34 C:\ProgramData\remcos\logs.dat, data 14->34 dropped 42 Contains functionality to bypass UAC (CMSTPLUA) 14->42 44 Tries to steal Mail credentials (via file registry) 14->44 46 Binary is likely a compiled AutoIt script file 14->46 48 8 other signatures 14->48 21 name.exe 1 14->21         started        24 name.exe 1 14->24         started        26 name.exe 2 14->26         started        28 2 other processes 14->28 file9 signatures10 process11 signatures12 58 Binary is likely a compiled AutoIt script file 21->58 60 Tries to steal Instant Messenger accounts or passwords 21->60 62 Tries to harvest and steal browser information (history, passwords, etc) 21->62 64 Tries to steal Mail credentials (via file / registry access) 24->64
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2024-01-26 15:02:06 UTC
File Type:
PE (Exe)
Extracted files:
25
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:hawkeye family:remcos botnet:remotehost collection keylogger rat spyware stealer trojan
Behaviour
Checks SCSI registry key(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
HawkEye
Remcos
Malware Config
C2 Extraction:
107.173.4.16:8787
Unpacked files
SH256 hash:
f73ed1a382cb327df16de4b0017f19eba256358418fe42de8f08efd71da18411
MD5 hash:
00a502c13215e047e421686a4ab1acba
SHA1 hash:
73e8eb5af6b76d84fe2b1f3358a11e653fce0ee9
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a
MD5 hash:
9dda72072bb5f352a9100dc0bc6c089f
SHA1 hash:
261268d043679a90fca1b6489738f5a1df30105e
Detections:
AutoIT_Compiled SUSP_Imphash_Mar23_3
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:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SUSP_Imphash_Mar23_3
Author:Arnim Rupp (https://github.com/ruppde)
Description:Detects imphash often found in malware samples (Maximum 0,25% hits with search for 'imphash:x p:0' on Virustotal) = 99,75% hits
Reference:Internal Research

File information


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

Web download

RemcosRAT

Executable exe e78be787cfbb5ab74a1c8c2fb7c33b7fdb644dc616c4505057fe00511353137a

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-26 15:01:14 UTC

url : hxxp://sinopecllc.top/_errorpages/meindokument.exe