MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a. 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: 39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a
SHA3-384 hash: bc4a446e0be48084330c35ee481cf38a7dcdf851a9557ea05dfd5ed58d9295909ffcfab1e5742271f7ea6f252b69ec6e
SHA1 hash: d6987a2bed5c0af40ffa425a8bcd5960bc2a16b7
MD5 hash: 31dea80f55b9485ad4dd9a8636b7b12e
humanhash: fifteen-mike-rugby-mountain
File name:DN TK 7239 (ETA 09 August, 2024)DHL#3272524765pdf.exe
Download: download sample
Signature RemcosRAT
File size:686'592 bytes
First seen:2024-08-06 19:39:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:cu70DgkcKSx+zPDp2eZcnbgvsFxqFGC4SEYSU+9vzqqYVYRDl0u:T4DgksE3ZvvsFxqFX/EYD+1fYVsn
Threatray 18 similar samples on MalwareBazaar
TLSH T10FE49EE0327D83C3E1A59EB10FCA86B079F175ACA8D0570D60F59B2E93D2395149C9EE
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon d4a6a494a48484a4 (65 x AgentTesla, 39 x Formbook, 8 x RemcosRAT)
Reporter abuse_ch
Tags:DHL exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
386
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DN TK 7239 (ETA 09 August, 2024)DHL#3272524765pdf.exe
Verdict:
Malicious activity
Analysis date:
2024-08-07 02:46:30 UTC
Tags:
rat remcos remote stealer mpress

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Tags:
Static Remcos
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto_obfuscator_for_net masquerade obfuscated packed 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:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted 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
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
Sigma detected: Remcos
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)
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 signatures2 2 Behavior Graph ID: 1489010 Sample: DN TK 7239 (ETA 09 August, ... Startdate: 06/08/2024 Architecture: WINDOWS Score: 100 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 10 other signatures 2->40 7 DN TK 7239 (ETA 09 August, 2024)DHL#3272524765pdf.exe 1 2->7         started        process3 file4 24 DN TK 7239 (ETA 09...72524765pdf.exe.log, CSV 7->24 dropped 42 Writes to foreign memory regions 7->42 44 Allocates memory in foreign processes 7->44 46 Injects a PE file into a foreign processes 7->46 11 CasPol.exe 7->11         started        14 CasPol.exe 3 7->14         started        signatures5 process6 dnsIp7 48 Contains functionality to bypass UAC (CMSTPLUA) 11->48 50 Tries to steal Mail credentials (via file registry) 11->50 52 Contains functionalty to change the wallpaper 11->52 58 5 other signatures 11->58 26 194.169.175.190, 2404, 49704, 49705 CLOUDCOMPUTINGDE Germany 14->26 54 Detected Remcos RAT 14->54 56 Maps a DLL or memory area into another process 14->56 17 CasPol.exe 1 14->17         started        20 CasPol.exe 1 14->20         started        22 CasPol.exe 1 14->22         started        signatures8 process9 signatures10 28 Tries to steal Instant Messenger accounts or passwords 17->28 30 Tries to steal Mail credentials (via file / registry access) 17->30 32 Tries to harvest and steal browser information (history, passwords, etc) 20->32
Threat name:
Win64.Backdoor.Remcos
Status:
Malicious
First seen:
2024-08-06 08:22:05 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
18
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery rat stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
194.169.175.190:2404
Unpacked files
SH256 hash:
39c096e77e2ce57c75d07b577dbf5899b5e883a3d3435a0a3d0313a52718496a
MD5 hash:
31dea80f55b9485ad4dd9a8636b7b12e
SHA1 hash:
d6987a2bed5c0af40ffa425a8bcd5960bc2a16b7
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_no_import_table
Description:Detect pe file that no import table

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 (GUARD_CF)high

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