MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9f4a7f5f39ac0ea1fc287c5d9521667d3eca8344b2e60fe26f9f795d7f53a8d. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: e9f4a7f5f39ac0ea1fc287c5d9521667d3eca8344b2e60fe26f9f795d7f53a8d
SHA3-384 hash: ef1caf8362eb3efaac83e921857405a3208211eaa82f849b8c92cfd84575cc18bfdf3772ab47c011db966b1a3d92c091
SHA1 hash: bd691d529fc6e480d02a23b0d645f4bde954e5fd
MD5 hash: b674578af16ba49bdd3166bed4abb6fd
humanhash: aspen-ink-hamper-cola
File name:SecuriteInfo.com.Variant.Zusy.436143.23003.20775
Download: download sample
Signature RemcosRAT
File size:943'616 bytes
First seen:2022-08-25 03:28:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2f81b5c9269910375af465608d2f2ff2 (3 x RemcosRAT, 3 x Formbook, 2 x DBatLoader)
ssdeep 12288:AJUHQf66vLY0QWoYa5RsDDVQdDPf+rKU5IT7greRccA/s/rsGvRcZoYto:AsoUQin8uerHqRcv/sHsoIo
TLSH T19B158D16F362CC3FD6771634CC0796AC981D7A106A34A81E36D51D087B7A3A2762F6CB
TrID 61.1% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
24.1% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
10.7% (.OCX) Windows ActiveX control (116521/4/18)
1.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.2% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon ecdce4c48c9ce4c4 (14 x RemcosRAT, 9 x DBatLoader, 5 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
328
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Zusy.436143.23003.20775
Verdict:
Malicious activity
Analysis date:
2022-08-25 03:31:21 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
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
DNS request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Searching for the window
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger shell32.dll
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, DBatLoader
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 689924 Sample: SecuriteInfo.com.Variant.Zu... Startdate: 25/08/2022 Architecture: WINDOWS Score: 100 64 lionsguard.ddns.net 2->64 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 9 other signatures 2->88 11 SecuriteInfo.com.Variant.Zusy.436143.23003.exe 1 23 2->11         started        16 Aiimpkrwc.exe 15 2->16         started        18 Aiimpkrwc.exe 15 2->18         started        signatures3 process4 dnsIp5 68 onedrive.live.com 11->68 76 2 other IPs or domains 11->76 54 C:\Users\Public\Libraries\netutils.dll, PE32+ 11->54 dropped 56 C:\Users\Public\Libraries\Aiimpkrwc.exe, PE32 11->56 dropped 58 C:\Users\...\Aiimpkrwc.exe:Zone.Identifier, ASCII 11->58 dropped 60 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 11->60 dropped 102 Writes to foreign memory regions 11->102 104 Allocates memory in foreign processes 11->104 106 Creates a thread in another existing process (thread injection) 11->106 108 Injects a PE file into a foreign processes 11->108 20 cmd.exe 3 11->20         started        23 iexpress.exe 11->23         started        70 onedrive.live.com 16->70 78 2 other IPs or domains 16->78 110 Multi AV Scanner detection for dropped file 16->110 112 Machine Learning detection for dropped file 16->112 26 iexpress.exe 16->26         started        72 192.168.2.1 unknown unknown 18->72 74 onedrive.live.com 18->74 80 2 other IPs or domains 18->80 28 iexpress.exe 18->28         started        file6 signatures7 process8 dnsIp9 90 Uses ping.exe to sleep 20->90 92 Drops executables to the windows directory (C:\Windows) and starts them 20->92 94 Uses ping.exe to check the status of other devices and networks 20->94 30 easinvoker.exe 20->30         started        32 PING.EXE 1 20->32         started        35 xcopy.exe 2 20->35         started        38 6 other processes 20->38 66 lionsguard.ddns.net 194.147.140.27, 49729, 49734, 49737 PTPEU unknown 23->66 signatures10 process11 dnsIp12 40 cmd.exe 1 30->40         started        62 127.0.0.1 unknown unknown 32->62 50 C:\Windows \System32\easinvoker.exe, PE32+ 35->50 dropped 52 C:\Windows \System32\netutils.dll, PE32+ 38->52 dropped file13 process14 signatures15 96 Suspicious powershell command line found 40->96 98 Adds a directory exclusion to Windows Defender 40->98 43 powershell.exe 27 40->43         started        46 conhost.exe 40->46         started        process16 signatures17 100 DLL side loading technique detected 43->100 48 conhost.exe 43->48         started        process18
Threat name:
Win32.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-08-25 03:29:11 UTC
File Type:
PE (Exe)
Extracted files:
70
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:ghosthot persistence rat trojan
Behaviour
Enumerates system info in registry
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
lionsguard.ddns.net:5074
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:SUSP_VBS_Wscript_Shell
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
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