MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc. 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 YARA 15 File information Comments

SHA256 hash: caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc
SHA3-384 hash: 41fe4786e2f2831976405565006ffb2c0cb97e93eee2ab40b17502d23524905a4c81cc9e915f8f272913988db354a7bf
SHA1 hash: 44731237f504e7a42b257e1cc161ab1c9b415289
MD5 hash: bf65270ad05d3da67d80433daa65af7b
humanhash: six-texas-florida-may
File name:DHL AWB 5596370080.exe
Download: download sample
Signature RemcosRAT
File size:974'848 bytes
First seen:2024-06-11 19:17:58 UTC
Last seen:2024-06-11 20:33:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:caCR5leZlNM6fl/z3N7AGZ60AX51Jn2blR8s/Azty03OpsCoRsfbD8anl44KmYxz:V+erLN/z3NcGZ69X5Xn2X8C/QT+sZZN
Threatray 4'179 similar samples on MalwareBazaar
TLSH T10225230693F55026F67A0BF01D6B73D07373A664A6D8DB982CF130D6AE2239A5761F03
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.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 017896b3a3361821 (10 x Formbook, 9 x AgentTesla, 3 x SnakeKeylogger)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
355
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc.exe
Verdict:
Malicious activity
Analysis date:
2024-06-11 20:27:15 UTC
Tags:
rat remcos

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

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
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
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1455492 Sample: DHL AWB 5596370080.exe Startdate: 11/06/2024 Architecture: WINDOWS Score: 100 44 geoplugin.net 2->44 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 12 other signatures 2->56 8 OpCzVPTVyu.exe 5 2->8         started        11 DHL AWB 5596370080.exe 7 2->11         started        signatures3 process4 file5 58 Antivirus detection for dropped file 8->58 60 Multi AV Scanner detection for dropped file 8->60 62 Contains functionalty to change the wallpaper 8->62 68 4 other signatures 8->68 14 OpCzVPTVyu.exe 8->14         started        17 schtasks.exe 1 8->17         started        36 C:\Users\user\AppData\...\OpCzVPTVyu.exe, PE32 11->36 dropped 38 C:\Users\...\OpCzVPTVyu.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmpC4D7.tmp, XML 11->40 dropped 42 C:\Users\user\...\DHL AWB 5596370080.exe.log, ASCII 11->42 dropped 64 Adds a directory exclusion to Windows Defender 11->64 66 Injects a PE file into a foreign processes 11->66 19 DHL AWB 5596370080.exe 2 13 11->19         started        22 powershell.exe 23 11->22         started        24 schtasks.exe 1 11->24         started        26 DHL AWB 5596370080.exe 11->26         started        signatures6 process7 dnsIp8 28 conhost.exe 17->28         started        46 103.150.8.12, 49704, 5689 XTOM-AS-JPxTomJP unknown 19->46 48 geoplugin.net 178.237.33.50, 49706, 80 ATOM86-ASATOM86NL Netherlands 19->48 70 Detected Remcos RAT 19->70 72 Loading BitLocker PowerShell Module 22->72 30 WmiPrvSE.exe 22->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-06-10 15:03:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:76364 execution rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
103.150.8.12:5689
Unpacked files
SH256 hash:
a7e073fe0a9fb42e3c7bea018d01a1625e4618567c03e0aa2b8185e9633fb793
MD5 hash:
e5262cc7ea0da555de4a4c1393f8d993
SHA1 hash:
e845574a0d15dfc95ef7bdb07173344d7902f78a
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
6243c709db7165f4a84036c0544b462ee9539412c61de6151a6aa18465659e48
MD5 hash:
5166d8930d5a1bf5a1738cc180587975
SHA1 hash:
4316633ea531432ff67776d1e59dcf8481a7cbbc
SH256 hash:
caeb39e11b7af2a2c1cc8d0eb89886f570246d95e366aac9f153d9e1441297dc
MD5 hash:
bf65270ad05d3da67d80433daa65af7b
SHA1 hash:
44731237f504e7a42b257e1cc161ab1c9b415289
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

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

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