MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51. 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 4 File information Comments

SHA256 hash: c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51
SHA3-384 hash: 0fe2be36701f0d08f11947076ea1ff7b19b5890227bf4b3ebebfadf6645438a1a2ce859e487a4884c407253b82fc908a
SHA1 hash: 7db4b9f46eb62ce6eff432b9ed7b41096a54bb6e
MD5 hash: ea6b45fe18b512642b240c9d61ab8770
humanhash: spaghetti-bakerloo-two-friend
File name:RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe
Download: download sample
Signature RemcosRAT
File size:1'304'064 bytes
First seen:2024-06-27 06:52:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:TwRuljp0v6U0SvpWTvCkV0uf5ZmH1OvVjPrCwb6:TwRId0vAvCkCua1sjD
Threatray 4'206 similar samples on MalwareBazaar
TLSH T19B55E04B37DD574CD1BE6B70B67840B042B6AF979821D25A34C4DEEDAB3260D29423E3
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) (4504/4/1)
File icon (PE):PE icon
dhash icon e2ee8a8eb6d8ecf4 (56 x AgentTesla, 39 x RemcosRAT, 38 x GuLoader)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
366
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51.exe
Verdict:
Malicious activity
Analysis date:
2024-06-27 06:54:26 UTC
Tags:
darktortilla remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Generic Stealth Genkryptik
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
vbnet
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:
Remcos, DarkTortilla
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)
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Detected Remcos RAT
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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 submitted file
Sigma detected: Remcos
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 DarkTortilla Crypter
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: 1463463 Sample: RFQ678903423_PROD_HASUE_de_... Startdate: 27/06/2024 Architecture: WINDOWS Score: 100 25 geoplugin.net 2->25 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 12 other signatures 2->43 8 RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe 3 2->8         started        signatures3 process4 file5 23 RFQ678903423_PROD_...ico_ExportS.exe.log, ASCII 8->23 dropped 45 Contains functionality to bypass UAC (CMSTPLUA) 8->45 47 Tries to steal Mail credentials (via file registry) 8->47 49 Contains functionalty to change the wallpaper 8->49 51 7 other signatures 8->51 12 RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe 3 13 8->12         started        signatures6 process7 dnsIp8 27 64.188.26.202, 1604, 49743, 49744 ASN-QUADRANET-GLOBALUS United States 12->27 29 geoplugin.net 178.237.33.50, 49746, 80 ATOM86-ASATOM86NL Netherlands 12->29 53 Detected Remcos RAT 12->53 55 Tries to harvest and steal browser information (history, passwords, etc) 12->55 57 Maps a DLL or memory area into another process 12->57 16 RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe 1 12->16         started        19 RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe 1 12->19         started        21 RFQ678903423_PROD_HASUE_de_Mexico_ExportS.exe 14 12->21         started        signatures9 process10 signatures11 31 Tries to steal Instant Messenger accounts or passwords 16->31 33 Tries to steal Mail credentials (via file / registry access) 16->33 35 Tries to harvest and steal browser information (history, passwords, etc) 19->35
Threat name:
ByteCode-MSIL.Trojan.Pretoria
Status:
Malicious
First seen:
2024-06-27 06:53:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
38
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:june8 collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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:
64.188.26.202:1604
Unpacked files
SH256 hash:
7d55e6a4985b70ed2c08b574189b7ab934147af3cae4664bf19e91318b1a6d42
MD5 hash:
b7b4195c9166a3d2506d0f79804ebdb9
SHA1 hash:
f199ab6bc5da5f857698145e38ec377437185216
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
56aaa2b9e53d69dd75c8d1247220d8ea97b1b7705796b2e2ddff34c7eea8adee
MD5 hash:
50f28d178452b2db4e1f466904e55c78
SHA1 hash:
d9a3246a570715d756a6c653b6818afb99ae39ec
SH256 hash:
0781f74db6c9ff7aa0c1e76dd0ebc4a9575fba6caca9aac9fb0131c5a73c84be
MD5 hash:
2c064163cda2f093cf6d20302481dff7
SHA1 hash:
cf948b10d999c369ef51972f86278a4f536d400d
SH256 hash:
2db82e9b91b1ccb1957b4e06ec49bfb0096e973213fc1786de1bbe3162f5df5a
MD5 hash:
27dea42a70bd7e948f1171ce873878a1
SHA1 hash:
b87051d51479c093cdf3e721acea4fd8b940b1e5
SH256 hash:
c6eb58e6a7889ef27e38ebc6b3ab4220b2fdb9b7a804d2db760638a31eda2e51
MD5 hash:
ea6b45fe18b512642b240c9d61ab8770
SHA1 hash:
7db4b9f46eb62ce6eff432b9ed7b41096a54bb6e
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:NETexecutableMicrosoft
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.

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 (GUARD_CF)high

Comments