MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105. 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 17 File information Comments

SHA256 hash: ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105
SHA3-384 hash: c0a9ece6ad2c8ddc4fa923f553b9b72ebd19513890fa5d1e5cf703816e8a86228ea7e730eaf8b11b39c97e2a5564fc26
SHA1 hash: ca47797fe39e78f96bb010bb7c358704370ed83a
MD5 hash: 12ee04f571ba2b4843ad9aa431904eee
humanhash: alabama-oregon-seventeen-illinois
File name:AWB DHL 54900000789.exe
Download: download sample
Signature RemcosRAT
File size:898'560 bytes
First seen:2024-06-06 15:16:23 UTC
Last seen:2024-06-06 16:21:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:s24XRWFYuCNRMgNoHszRUgLhuSANbhSO:FV7CNWMYshL8SARM
Threatray 4'169 similar samples on MalwareBazaar
TLSH T15015232632A88691CD7D67BA15A508E4136030FB99A4FB0D7DC3F1CE0576B0B2796F47
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) (4504/4/1)
Reporter abuse_ch
Tags:DHL exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
347
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105.exe
Verdict:
Malicious activity
Analysis date:
2024-06-06 15:56:32 UTC
Tags:
rat remcos remote evasion

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

Behaviour
Searching for the window
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed remcos
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:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
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: 1453147 Sample: AWB DHL 54900000789.exe Startdate: 06/06/2024 Architecture: WINDOWS Score: 100 44 171.39.242.20.in-addr.arpa 2->44 46 geoplugin.net 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 12 other signatures 2->58 8 AWB DHL 54900000789.exe 7 2->8         started        12 QBfPrTexX.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\Roaming\QBfPrTexX.exe, PE32 8->36 dropped 38 C:\Users\...\QBfPrTexX.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmpCAF5.tmp, XML 8->40 dropped 42 C:\Users\user\...\AWB DHL 54900000789.exe.log, ASCII 8->42 dropped 60 Adds a directory exclusion to Windows Defender 8->60 62 Injects a PE file into a foreign processes 8->62 14 AWB DHL 54900000789.exe 2 13 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 QBfPrTexX.exe 12->22         started        24 schtasks.exe 1 12->24         started        26 QBfPrTexX.exe 12->26         started        signatures6 process7 dnsIp8 48 103.150.8.12, 49702, 5689 XTOM-AS-JPxTomJP unknown 14->48 50 geoplugin.net 178.237.33.50, 49704, 80 ATOM86-ASATOM86NL Netherlands 14->50 68 Detected Remcos RAT 14->68 70 Loading BitLocker PowerShell Module 18->70 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-06-05 18:43:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
27 of 38 (71.05%)
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:
e3bdaccae212c409f4de763f96b6c1e7bc4a61658252d33f0d9dcd99a735089f
MD5 hash:
4994a609d4ecafca06051bbdbd3e067a
SHA1 hash:
e50e6780a24e723631ba108537545609c7402904
SH256 hash:
1a1de9f3fe4c3a7ea7cd547cdd9d78b3873d6e243e544e5bb647452d6d9f6cfe
MD5 hash:
ceb52a5c98659e8905ea76737fe00c01
SHA1 hash:
bb7b30ff84d6aa26eaa0021c9fa3cd2c5a08e694
SH256 hash:
b3e4cc520c7275b9decf4149baef1e63fe34f56a9ca077975e2b2c9932c03095
MD5 hash:
598ec902f71016590c4d60383504dd17
SHA1 hash:
55e1c5202f65d07f783dbcf302c50739a61018d2
SH256 hash:
ea838ad000acd44a3a8abc21a9e131f32ecd9a197383782b516dda22d6047105
MD5 hash:
12ee04f571ba2b4843ad9aa431904eee
SHA1 hash:
ca47797fe39e78f96bb010bb7c358704370ed83a
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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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