MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b. 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: 19


Intelligence 19 IOCs 1 YARA 5 File information Comments

SHA256 hash: 7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b
SHA3-384 hash: 9b83f8da7eaa82d0fec114ea46e9aeccbdbff1dc8d1caacb19acea0b82542e1839042ce2e10c30d5b0ac46672be5eb12
SHA1 hash: a8c84df31a575ab84e6255b89351ce877c9619c8
MD5 hash: f443c222255e35ee6dd0e194360c23ce
humanhash: blossom-cola-timing-vermont
File name:IB9876789000.bat.exe
Download: download sample
Signature RemcosRAT
File size:851'968 bytes
First seen:2024-12-08 07:40:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:OeB1Nd/75yaHV5epXyU8+uggQdbGqDEEiHczNGNB4aEPvl1bDDdOJVe3e+mraL:OW1D5yeV5eNyB7QtHDE3HcE0DA8mraL
TLSH T19A05233811D9CE8BD6D746F56C50B5C28AB7F49306E65F0E2BC23AEED194A44027E63C
TrID 44.4% (.EXE) Win64 Executable (generic) (10522/11/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
192.210.150.26:3678

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
192.210.150.26:3678 https://threatfox.abuse.ch/ioc/1353500/

Intelligence


File Origin
# of uploads :
1
# of downloads :
456
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
IB9876789000.bat.exe
Verdict:
Malicious activity
Analysis date:
2024-12-08 07:41:48 UTC
Tags:
rat remcos evasion stealer koivm

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

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Creating a file
Searching for synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Blocking the User Account Control
Unauthorized injection to a recently created process
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected remcos 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:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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
Disables UAC (registry)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Suricata IDS alerts 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)
Tries to steal Mail credentials (via file registry)
Uses regedit.exe to modify the Windows registry
Writes to foreign memory regions
Yara detected AntiVM3
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: 1570827 Sample: IB9876789000.bat.exe Startdate: 08/12/2024 Architecture: WINDOWS Score: 100 37 geoplugin.net 2->37 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 19 other signatures 2->49 8 IB9876789000.bat.exe 1 4 2->8         started        signatures3 process4 signatures5 57 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->59 61 Uses regedit.exe to modify the Windows registry 8->61 63 4 other signatures 8->63 11 wmplayer.exe 3 15 8->11         started        16 powershell.exe 23 8->16         started        18 WerFault.exe 19 16 8->18         started        20 3 other processes 8->20 process6 dnsIp7 39 192.210.150.26, 3678, 49717, 49719 AS-COLOCROSSINGUS United States 11->39 41 geoplugin.net 178.237.33.50, 49720, 80 ATOM86-ASATOM86NL Netherlands 11->41 35 C:\ProgramData\remcos\logs.dat, data 11->35 dropped 65 Detected Remcos RAT 11->65 67 Maps a DLL or memory area into another process 11->67 69 Installs a global keyboard hook 11->69 22 wmplayer.exe 1 11->22         started        25 wmplayer.exe 1 11->25         started        27 wmplayer.exe 2 11->27         started        29 wmplayer.exe 11->29         started        71 Loading BitLocker PowerShell Module 16->71 31 WmiPrvSE.exe 16->31         started        33 conhost.exe 16->33         started        file8 signatures9 process10 signatures11 51 Tries to steal Instant Messenger accounts or passwords 22->51 53 Tries to harvest and steal browser information (history, passwords, etc) 22->53 55 Tries to steal Mail credentials (via file / registry access) 25->55
Threat name:
ByteCode-MSIL.Trojan.Zilla
Status:
Malicious
First seen:
2024-12-08 07:41:08 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
remcos admintool_mailpassview nirsoft
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery evasion execution rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Uses the VBS compiler for execution
Windows security modification
Command and Scripting Interpreter: PowerShell
Looks for VMWare Tools registry key
Detected Nirsoft tools
Looks for VirtualBox Guest Additions in registry
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
192.210.150.26:3678
Verdict:
Malicious
Tags:
Remcos Win.Packed.Crypterx-10038552-0
YARA:
n/a
Unpacked files
SH256 hash:
7053c8d9983dc949e5d559ba1b006b8ba9c059a23e06cd87c857c3d04201381b
MD5 hash:
f443c222255e35ee6dd0e194360c23ce
SHA1 hash:
a8c84df31a575ab84e6255b89351ce877c9619c8
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_no_import_table
Description:Detect pe file that no import table
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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