MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb982ea4dad990c5c393a7f1fb85a4daf85be97edcb1e1473cdd0703596ecd6d. 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 6 File information Comments

SHA256 hash: bb982ea4dad990c5c393a7f1fb85a4daf85be97edcb1e1473cdd0703596ecd6d
SHA3-384 hash: 6e175bd9062c51cda3bd5c96f00c80b5cde3999ead92c1d16de220cf0dffa28df2193ad7f81e92a9b567cdee90c5efd1
SHA1 hash: ba20d0609fe16e3f9e61a34928853c00184be26b
MD5 hash: 365de72e3ea8c233861d9a80f7d7c1be
humanhash: zulu-apart-zulu-king
File name:Payment Voucher.exe
Download: download sample
Signature RemcosRAT
File size:933'888 bytes
First seen:2024-09-19 12:28:05 UTC
Last seen:2024-09-23 12:34:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:u570jYrtQ+mJLt+pQZEPjhrnJtMVR8K85fGYan:u570jYrPwLt+pQSBnT8N85fGX
Threatray 4'283 similar samples on MalwareBazaar
TLSH T17C1512A827F8CE19D27A03351032E33D96A25E9B9138C362FFDD7D9B7F25A014917252
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon ccb2b2828bb2a280 (4 x Formbook, 2 x AgentTesla, 2 x RemcosRAT)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
387
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
Payment Voucher.exe
Verdict:
Malicious activity
Analysis date:
2024-09-19 12:33:23 UTC
Tags:
rat remcos evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Discovery Execution Infostealer Network Stealth Msil
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Result
Verdict:
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 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
Initial sample is a PE file and has a suspicious name
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: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
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: 1513837 Sample: Payment Voucher.exe Startdate: 19/09/2024 Architecture: WINDOWS Score: 100 48 time.windows.com 2->48 50 geoplugin.net 2->50 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 13 other signatures 2->62 8 GwTIUBUaZCliF.exe 5 2->8         started        11 Payment Voucher.exe 7 2->11         started        signatures3 process4 file5 66 Antivirus detection for dropped file 8->66 68 Multi AV Scanner detection for dropped file 8->68 70 Contains functionalty to change the wallpaper 8->70 74 6 other signatures 8->74 14 schtasks.exe 1 8->14         started        16 GwTIUBUaZCliF.exe 8->16         started        18 GwTIUBUaZCliF.exe 8->18         started        20 GwTIUBUaZCliF.exe 8->20         started        40 C:\Users\user\AppData\...behaviorgraphwTIUBUaZCliF.exe, PE32 11->40 dropped 42 C:\...behaviorgraphwTIUBUaZCliF.exe:Zone.Identifier, ASCII 11->42 dropped 44 C:\Users\user\AppData\Local\...\tmpD877.tmp, XML 11->44 dropped 46 C:\Users\user\...\Payment Voucher.exe.log, ASCII 11->46 dropped 72 Adds a directory exclusion to Windows Defender 11->72 22 powershell.exe 23 11->22         started        25 Payment Voucher.exe 2 13 11->25         started        28 schtasks.exe 1 11->28         started        30 Payment Voucher.exe 11->30         started        signatures6 process7 dnsIp8 32 conhost.exe 14->32         started        64 Loading BitLocker PowerShell Module 22->64 34 WmiPrvSE.exe 22->34         started        36 conhost.exe 22->36         started        52 172.93.220.148, 45682, 49703 XTOM-AS-JPxTomJP United States 25->52 54 geoplugin.net 178.237.33.50, 49705, 80 ATOM86-ASATOM86NL Netherlands 25->54 38 conhost.exe 28->38         started        signatures9 process10
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-09-18 04:16:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:3456789 discovery execution rat
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
172.93.220.148:45682
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
bcbce32070cb0d35d2daf7f128983b3ac88001c6c031837f5a7d65d90f46d4a0
MD5 hash:
75c390566266380494d7e7669b5c1f41
SHA1 hash:
57f5131c48642729cac95195c072a92e04bd155d
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
bb982ea4dad990c5c393a7f1fb85a4daf85be97edcb1e1473cdd0703596ecd6d
MD5 hash:
365de72e3ea8c233861d9a80f7d7c1be
SHA1 hash:
ba20d0609fe16e3f9e61a34928853c00184be26b
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
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 bb982ea4dad990c5c393a7f1fb85a4daf85be97edcb1e1473cdd0703596ecd6d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments