MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd4d24cb135194ab4f43d8b8d93ea81b73dad049a686577eb385a00195e69dbd. 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: bd4d24cb135194ab4f43d8b8d93ea81b73dad049a686577eb385a00195e69dbd
SHA3-384 hash: 3d1fbaf3fadf5d3b915e209e5950030369e5a8df26932d4d95f0136b0118a7664a2d656a8a73356d93f783b8d67265e4
SHA1 hash: 2cf0051b2a6ca85601edc9d51941c9baa3f5245d
MD5 hash: 9257d0559280d38a0d848dd237101a6e
humanhash: illinois-east-echo-shade
File name:Maersk BL 208268807.exe
Download: download sample
Signature RemcosRAT
File size:1'057'280 bytes
First seen:2023-11-26 17:59:03 UTC
Last seen:2023-11-26 19:58:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:y7qjCdQf0EQZga+93tAI5oGZSiPxEASN:y73y0EQZn+93tAoZRp0N
TLSH T1B625010036B8AE27CBA502F8476261AC7BF53D2651A1DBF91F8270DEB4F0F745619A07
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 8430f0ceaae0d400 (10 x AgentTesla, 1 x RemcosRAT, 1 x Formbook)
Reporter abuse_ch
Tags:exe Maersk RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
308
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Maersk BL 208268807.exe
Verdict:
Malicious activity
Analysis date:
2023-11-26 17:59:28 UTC
Tags:
remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
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, zgRAT
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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
Found malware configuration
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1348076 Sample: Maersk_BL_208268807.exe Startdate: 26/11/2023 Architecture: WINDOWS Score: 100 40 Multi AV Scanner detection for domain / URL 2->40 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 11 other signatures 2->46 7 qLZezt.exe 5 2->7         started        10 Maersk_BL_208268807.exe 7 2->10         started        process3 file4 48 Multi AV Scanner detection for dropped file 7->48 50 Contains functionality to bypass UAC (CMSTPLUA) 7->50 52 Contains functionalty to change the wallpaper 7->52 58 5 other signatures 7->58 13 schtasks.exe 1 7->13         started        15 qLZezt.exe 7->15         started        34 C:\Users\user\AppData\Roaming\qLZezt.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp5B3E.tmp, XML 10->36 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 10->54 56 Adds a directory exclusion to Windows Defender 10->56 17 Maersk_BL_208268807.exe 3 1 10->17         started        20 powershell.exe 23 10->20         started        22 schtasks.exe 1 10->22         started        24 Maersk_BL_208268807.exe 10->24         started        signatures5 process6 dnsIp7 26 conhost.exe 13->26         started        38 91.92.242.85, 4285 THEZONEBG Bulgaria 17->38 28 conhost.exe 17->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-15 09:19:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
35
AV detection:
28 of 37 (75.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:admin rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
91.92.242.85:4285
Unpacked files
SH256 hash:
76482f1dc9b0639dd6b2d762e09101875e207e8c60e146a43ca182a4c13d6afa
MD5 hash:
9561bc00330bfa400784c1b3b2075d0b
SHA1 hash:
b98f0014f428085dea5ea44108d64d9119e3d698
SH256 hash:
66a11424a340d3510a0206f9dba8be8f2a944158c0059651e7d5af181fbfa8b3
MD5 hash:
c6cb1d7dba4cc59d033f90d24dfa475b
SHA1 hash:
ac6464e271d06edbb2aa67fea6b4c650e51ad5b6
SH256 hash:
2591f182342ee9cd09d56338892d140c7eb901fa5bbe693783ca06cfc8d244fc
MD5 hash:
0d87a6677134a7d3fd5bd34b03ee4be2
SHA1 hash:
5cc34db166e7aac14c8251a9930c8f9a36b21b9c
Detections:
Remcos win_remcos_w0 win_remcos_auto win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM malware_windows_remcos_rat
SH256 hash:
9e0b9388f8df428e27d90cf2332cc1fefb80783b66ca1e6557754b7396a1ca0f
MD5 hash:
b82d441c1c2fb149fc9e39de028ca7a7
SHA1 hash:
2bb3ceac051c8c23efcfd37c9a223a931770eecf
SH256 hash:
bd4d24cb135194ab4f43d8b8d93ea81b73dad049a686577eb385a00195e69dbd
MD5 hash:
9257d0559280d38a0d848dd237101a6e
SHA1 hash:
2cf0051b2a6ca85601edc9d51941c9baa3f5245d
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.

Malspam

RemcosRAT

Executable exe bd4d24cb135194ab4f43d8b8d93ea81b73dad049a686577eb385a00195e69dbd

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments