MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5d82956ceca26f10317df7cfbfacfe99d3854b8aa3fea507e28676f6a6cd9ed. 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 16 File information Comments

SHA256 hash: f5d82956ceca26f10317df7cfbfacfe99d3854b8aa3fea507e28676f6a6cd9ed
SHA3-384 hash: 47b7ae31b872c4ff6cad489da52c1a5b664b550ce4afd344d87c34db0a9d17b61b34146909c106680d7a44f8fbaa59bc
SHA1 hash: 4b15fd8591b4beaecfaf757282dad4ca2bba5ccd
MD5 hash: 9afe732096be4fa9682e614f16b63b10
humanhash: maine-mockingbird-iowa-juliet
File name:DHL Overdue Account Notice.exe
Download: download sample
Signature RemcosRAT
File size:518'656 bytes
First seen:2023-11-22 04:50:08 UTC
Last seen:2023-11-22 06:16:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'749 x AgentTesla, 19'653 x Formbook, 12'246 x SnakeKeylogger)
ssdeep 12288:JFgT0Buwqth2tSCg/a5jrsAfK1CX11c6+Sznd:JWTfCTSa5jr5i
Threatray 2'926 similar samples on MalwareBazaar
TLSH T12FB423F627F98E40D75302B7754B1A059A79D4A7C4498BE7E8CCB33D9A2A3DC0488BD1
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 74f4d4d4d4d4ecf4 (2 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
103.212.81.160:6609

Intelligence


File Origin
# of uploads :
2
# of downloads :
386
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DHL Overdue Account Notice.exe
Verdict:
Malicious activity
Analysis date:
2023-11-22 04:51:47 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
Searching for the window
Launching a process
Running batch commands
Creating a file
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Launching the default Windows debugger (dwwin.exe)
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed remcos smartassembly smart_assembly
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.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1346238 Sample: DHL_Overdue_Account_Notice.exe Startdate: 22/11/2023 Architecture: WINDOWS Score: 100 61 Multi AV Scanner detection for domain / URL 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 8 other signatures 2->67 8 DHL_Overdue_Account_Notice.exe 2 2->8         started        11 phots.exe 2->11         started        process3 signatures4 69 Writes to foreign memory regions 8->69 71 Allocates memory in foreign processes 8->71 73 Injects a PE file into a foreign processes 8->73 13 phots.exe 1 8->13         started        16 cmd.exe 2 8->16         started        18 cmd.exe 3 8->18         started        29 2 other processes 8->29 21 cmd.exe 11->21         started        23 vbc.exe 11->23         started        25 cmd.exe 11->25         started        27 cmd.exe 11->27         started        process5 file6 75 Antivirus detection for dropped file 13->75 77 Multi AV Scanner detection for dropped file 13->77 79 Machine Learning detection for dropped file 13->79 83 3 other signatures 13->83 31 cmd.exe 13->31         started        43 3 other processes 13->43 81 Uses schtasks.exe or at.exe to add and modify task schedules 16->81 33 conhost.exe 16->33         started        59 C:\Users\user\AppData\Local\...\phots.exe, PE32 18->59 dropped 35 conhost.exe 18->35         started        45 2 other processes 21->45 37 WerFault.exe 21 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        47 3 other processes 29->47 signatures7 process8 process9 49 conhost.exe 31->49         started        51 schtasks.exe 1 31->51         started        53 WerFault.exe 21 43->53         started        55 conhost.exe 43->55         started        57 conhost.exe 43->57         started       
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2023-11-22 04:51:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:fri rat
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
moremoney.myftp.org:6609
Unpacked files
SH256 hash:
8e356fc4748f7f0075a70f03cb731039aab739464ff9252e811a6d1865b42f09
MD5 hash:
19d6fc5aa72a0625f2c7d85a5fb39ae6
SHA1 hash:
351435021a6366aa83048cd5f9a30b0ab21ffe3d
Detections:
Remcos win_remcos_w0 win_remcos_auto win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM malware_windows_remcos_rat
SH256 hash:
f5d82956ceca26f10317df7cfbfacfe99d3854b8aa3fea507e28676f6a6cd9ed
MD5 hash:
9afe732096be4fa9682e614f16b63b10
SHA1 hash:
4b15fd8591b4beaecfaf757282dad4ca2bba5ccd
Detections:
INDICATOR_EXE_Packed_SmartAssembly
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:DebuggerCheck__QueryInfo
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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
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
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.

Comments