MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
SHA3-384 hash: f6c98e603c883e8898b0dd318037baddb73c59fbd9b87a755de1727865894223005c3230ed3fa96501d60d8bfc6b9269
SHA1 hash: 3bda45e062fdc55823d9ceb71d0575df1e6ffd9e
MD5 hash: 488f8d9de535475e4a901c033199ea0c
humanhash: foxtrot-wisconsin-purple-thirteen
File name:PROFORMA INVOICE.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'730'048 bytes
First seen:2024-04-03 15:56:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e721dea227082ce606ccc9598b4fe550 (3 x RemcosRAT, 1 x AveMariaRAT, 1 x DBatLoader)
ssdeep 49152:ay6imwGhfj4GBT2z95Zw/L+gwnzBnwyuPTh:azimw4f8iSuD+g
Threatray 3'792 similar samples on MalwareBazaar
TLSH T17485E1A6F29146BEC05219F01FBB8FEB40777D302DA4622AE9DC7E8C07B72913905957
TrID 36.1% (.SCR) Windows screen saver (13097/50/3)
29.0% (.EXE) Win64 Executable (generic) (10523/12/4)
12.4% (.EXE) Win32 Executable (generic) (4504/4/1)
5.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
5.6% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon e0cb898333052b83 (3 x RemcosRAT, 1 x AveMariaRAT, 1 x DBatLoader)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
342
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 15:57:54 UTC
Tags:
dbatloader
Link:
https://app.any.run/tasks/7fa7e209-8967-474f-8b6f-d199b56e826c

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

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Launching a process
Searching for the window
Setting a keyboard event handler
Sending an HTTP GET request
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger masquerade packed
Link:
https://www.filescan.io/uploads/660d7c54aeca3665d3b59397/reports/f1f6a622-5497-4931-b284-fe971035f8a0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/63f25f42-a474-4c04-b09b-57feac1ce602
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1419616
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Detected unpacking (creates a PE file in dynamic memory)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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: DLL Search Order Hijackig Via Additional Space in Path
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: TrustedPath UAC Bypass Pattern
Uses dynamic DNS services
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1419616 Sample: PROFORMA INVOICE.exe Startdate: 03/04/2024 Architecture: WINDOWS Score: 100 56 officerem.duckdns.org 2->56 58 ip.2017.filemail.com 2->58 60 2 other IPs or domains 2->60 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for URL or domain 2->76 80 20 other signatures 2->80 12 PROFORMA INVOICE.exe 4 22 2->12         started        signatures3 78 Uses dynamic DNS services 56->78 process4 dnsIp5 62 officerem.duckdns.org 23.95.235.29, 47212, 49726 AS-COLOCROSSINGUS United States 12->62 64 127.0.0.1 unknown unknown 12->64 66 2 other IPs or domains 12->66 48 C:\Windows \System32\netutils.dll, PE32+ 12->48 dropped 50 C:\Windows \System32\5450091.exe, PE32+ 12->50 dropped 52 C:\Users\Public\Uajcyryw.url, MS 12->52 dropped 54 C:\ProgramData\remcos\logs.dat, data 12->54 dropped 84 Detected Remcos RAT 12->84 86 Installs a global keyboard hook 12->86 17 cmd.exe 1 12->17         started        20 cmd.exe 4 12->20         started        22 cmd.exe 2 12->22         started        24 extrac32.exe 12->24         started        file6 signatures7 process8 signatures9 68 Drops executables to the windows directory (C:\Windows) and starts them 17->68 26 5450091.exe 17->26         started        28 conhost.exe 17->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        process10 process11 34 cmd.exe 1 26->34         started        signatures12 70 Adds a directory exclusion to Windows Defender 34->70 37 cmd.exe 1 34->37         started        40 conhost.exe 34->40         started        process13 signatures14 82 Adds a directory exclusion to Windows Defender 37->82 42 powershell.exe 23 37->42         started        44 conhost.exe 37->44         started        process15 process16 46 WmiPrvSE.exe 42->46         started       
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 00:12:51 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m73bgv6pfubhxmmjfhdsvlroqqt62do3pqloijsykw4nqj6zkuma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0168646bfeec864982cff43a4969ad4d0ab5e0df69cd27f7334fcf339f752e4c
RemcosRAT
1c60bc833a05be736fd6734552cf56281db65a3cb0c8004b3f94d88cf6c31a84
RemcosRAT
373859f19da9662cebadea97fe4acf12e811b72acb5490d80c7f0d8ff45353a3
RemcosRAT
4d02ef98d7fec3d3e752706c11c9a57130dba4b03022f85e12e7214fc92622bc
RemcosRAT
a932316f192e4a8d361857aa3555cd6597b96364e9ce1fa379e419b8dd437edc
RemcosRAT
b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
RemcosRAT
f2983bae21d56a3081e78ebdfe8c91b007a0e7e3b363850fb48ee90eeea953df
RemcosRAT
+ 3'782 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Link:
https://tria.ge/reports/240403-tdxpjafc8s/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
127.0.0.1:47212
officerem.duckdns.org:47212
Unpacked files
SH256 hash:
dbab1c86210aa41bcb4810302ccfed586415b97556c0352a5fc145bdc564e649
MD5 hash:
e295409cb34e594dcdba7e45ca10668f
SHA1 hash:
72abcc520a8767989baaaaa57f221bc0e70f8938
Detections:
win_dbatloader_g1
Create hunting rule
MALWARE_Win_ModiLoader
Create hunting rule
Link:
https://www.unpac.me/results/01b7216f-1a41-4e36-bee1-db8239730a65/
Parent samples :
67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
8f83b6d238bcae9b50009ab77ec65b217851e040f9466b2548b585d3e414761c
SH256 hash:
7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
MD5 hash:
c116d3604ceafe7057d77ff27552c215
SHA1 hash:
452b14432fb5758b46f2897aeccd89f7c82a727d
Link:
https://www.unpac.me/results/01b7216f-1a41-4e36-bee1-db8239730a65/
SH256 hash:
67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518
MD5 hash:
488f8d9de535475e4a901c033199ea0c
SHA1 hash:
3bda45e062fdc55823d9ceb71d0575df1e6ffd9e
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/01b7216f-1a41-4e36-bee1-db8239730a65/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/67f61357cf2d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 67f61357cf2d027bb18929c72aae2e8427ed0ddb7c16e4265855b8d827d95518

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::PeekMessageW
user32.dll::CreateWindowExA

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