MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 958e5d7947f48f2047ac3c595ee724a916c9969430731091ac1b9fcfaaf65d70. 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: 17


Intelligence 17 IOCs 1 YARA 4 File information Comments

SHA256 hash: 958e5d7947f48f2047ac3c595ee724a916c9969430731091ac1b9fcfaaf65d70
SHA3-384 hash: 586b51a05125f52ac4ad487caa96e01589068c215c08ab52fbc87940fa6737ebe074eb2691a7329cc3cef61d0ff95547
SHA1 hash: 3f3c04d941792d7598bc6e1fb1814c44ca3d1cf4
MD5 hash: 4e6fb77e41ce6e4e8ddec2a04c51b135
humanhash: cat-robert-carbon-music
File name:FACF9877656789000.bat.exe
Download: download sample
Signature RemcosRAT
File size:1'287'075 bytes
First seen:2024-11-06 11:10:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 890e522b31701e079a367b89393329e6 (25 x Formbook, 12 x AgentTesla, 8 x Loda)
ssdeep 24576:tthEVaPqLopaxpymFCZqtRGGAsL4+ktZuStEJz992or8rekadSfU84w:VEVUcI0pyrwtRGGA6mgStLo8uEf
Threatray 1'167 similar samples on MalwareBazaar
TLSH T14E553379794AD02DF8E427FDEE836550D684FA0312F9E67F70B92B026A0B501FE19D81
TrID 86.7% (.EXE) AutoIt3 compiled script executable (510622/80/67)
4.5% (.EXE) UPX compressed Win32 Executable (27066/9/6)
4.5% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
1.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
192.3.101.137:8780

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
192.3.101.137:8780 https://threatfox.abuse.ch/ioc/1341361/

Intelligence


File Origin
# of uploads :
1
# of downloads :
522
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FACF9877656789000.bat.exe
Verdict:
Suspicious activity
Analysis date:
2024-11-06 11:11:06 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
autorun autoit remcos emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
DNS request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit compiled-script masquerade microsoft_visual_cc overlay packed packed packed packer_detected remcos upx
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
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
Drops VBS files to the startup folder
Found malware configuration
Installs a global keyboard hook
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
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)
Writes to foreign memory regions
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: 1550065 Sample: FACF9877656789000.bat.exe Startdate: 06/11/2024 Architecture: WINDOWS Score: 100 58 geoplugin.net 2->58 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 10 other signatures 2->70 12 FACF9877656789000.bat.exe 3 2->12         started        15 wscript.exe 1 2->15         started        signatures3 process4 file5 56 C:\Users\user\AppData\...\selectedly.exe, PE32 12->56 dropped 18 selectedly.exe 1 12->18         started        112 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->112 22 selectedly.exe 15->22         started        signatures6 process7 file8 52 C:\Users\user\AppData\...\selectedly.vbs, data 18->52 dropped 72 Multi AV Scanner detection for dropped file 18->72 74 Machine Learning detection for dropped file 18->74 76 Drops VBS files to the startup folder 18->76 78 Switches to a custom stack to bypass stack traces 18->78 24 selectedly.exe 18->24         started        26 svchost.exe 18->26         started        80 Writes to foreign memory regions 22->80 82 Maps a DLL or memory area into another process 22->82 29 svchost.exe 22->29         started        signatures9 process10 signatures11 31 selectedly.exe 24->31         started        33 svchost.exe 24->33         started        88 Contains functionality to bypass UAC (CMSTPLUA) 26->88 90 Tries to steal Mail credentials (via file registry) 26->90 92 Contains functionalty to change the wallpaper 26->92 96 5 other signatures 26->96 94 Detected Remcos RAT 29->94 process12 process13 35 selectedly.exe 31->35         started        38 svchost.exe 31->38         started        signatures14 84 Writes to foreign memory regions 35->84 86 Maps a DLL or memory area into another process 35->86 40 svchost.exe 3 15 35->40         started        process15 dnsIp16 60 192.3.101.137, 49730, 49732, 8780 AS-COLOCROSSINGUS United States 40->60 62 geoplugin.net 178.237.33.50, 49731, 80 ATOM86-ASATOM86NL Netherlands 40->62 54 C:\ProgramData\remcos\logs.dat, data 40->54 dropped 98 System process connects to network (likely due to code injection or exploit) 40->98 100 Detected Remcos RAT 40->100 102 Maps a DLL or memory area into another process 40->102 104 Installs a global keyboard hook 40->104 45 svchost.exe 1 40->45         started        48 svchost.exe 1 40->48         started        50 svchost.exe 2 40->50         started        file17 signatures18 process19 signatures20 106 Tries to steal Instant Messenger accounts or passwords 45->106 108 Tries to harvest and steal browser information (history, passwords, etc) 45->108 110 Tries to steal Mail credentials (via file / registry access) 48->110
Threat name:
Win32.Trojan.Autoitinject
Status:
Malicious
First seen:
2024-11-06 11:11:05 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
192.3.101.137:8780
Verdict:
Suspicious
Tags:
trojan
YARA:
MAL_Malware_Imphash_Mar23_1
Unpacked files
SH256 hash:
61b20f0bb455ef420bee49392c242dab2de117e209f1e3f4830e6c97f06671b1
MD5 hash:
291c46761093929b16947a758ce355fe
SHA1 hash:
37c0fee23e54de0ce328c7624e974da0284629b4
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
958e5d7947f48f2047ac3c595ee724a916c9969430731091ac1b9fcfaaf65d70
MD5 hash:
4e6fb77e41ce6e4e8ddec2a04c51b135
SHA1 hash:
3f3c04d941792d7598bc6e1fb1814c44ca3d1cf4
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:MAL_Malware_Imphash_Mar23_1
Author:Arnim Rupp
Description:Detects malware by known bad imphash or rich_pe_header_hash
Reference:https://yaraify.abuse.ch/statistics/
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

Comments