MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments
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SHA256 hash: b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
SHA3-384 hash: 85c29d6f18c45ea53942994671c464b20238eecffdefd1a90f3f56c9df3f6e9f09c66770cac84d0409ef6f4f76435903
SHA1 hash: 4e79ae9003d92a10d09fdb231512ca914c60a7c7
MD5 hash: cf659feea0c1c9e0a1705e076b831f48
humanhash: apart-sink-red-hamper
File name:Quotation .exe
Download: download sample
Signature RemcosRAT
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File size:909'824 bytes
First seen:2024-03-20 07:03:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 48cb53e6073981d79ce56fb69707e743 (4 x RemcosRAT)
ssdeep 12288:oXxu5oy0XhL9ljnp9zIO6S33Ys1fCjPfeCMVAgfMCf3e9:ohAcXhL9lV9cHSY2ZCMVAgfM
Threatray 3'684 similar samples on MalwareBazaar
TLSH T1C715AE7A6A841132D0121E74CE56A7AD980C7DE27B2420EF2FF80F9C7765FA7F815852
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 c486312d28c42404 (7 x RemcosRAT, 3 x DBatLoader)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe
Verdict:
Malicious activity
Analysis date:
2024-03-20 07:09:06 UTC
Tags:
dbatloader rat remcos remote keylogger
Link:
https://app.any.run/tasks/fbeb8dc6-c78f-46ab-8f9a-32a26b67cd60

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Sinowal-9756760-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Launching a process
Creating a file
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint keylogger remcos
Link:
https://www.filescan.io/uploads/65fa8a6683a3efb188d4bc2f/reports/a9bad98b-4e40-42b1-9b4e-1b7394553c42/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
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:
Habbo
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0299da3b-ad7b-4c2b-b9b4-a7fae03e6e08
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/1412156
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Drops executables to the windows directory (C:\Windows) and starts them
Early bird code injection technique detected
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
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: Suspicious Creation with Colorcpl
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: 1412156 Sample: Quotation .exe Startdate: 20/03/2024 Architecture: WINDOWS Score: 100 64 officerem.duckdns.org 2->64 66 ip.2016.filemail.com 2->66 68 2 other IPs or domains 2->68 72 Multi AV Scanner detection for domain / URL 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 80 15 other signatures 2->80 12 Quotation .exe 1 6 2->12         started        signatures3 78 Uses dynamic DNS services 64->78 process4 dnsIp5 70 ip.2016.filemail.com 50.7.154.226, 443, 49720, 49721 COGENT-174US United States 12->70 52 C:\Windows \System32\netutils.dll, PE32+ 12->52 dropped 54 C:\Windows \System32\5430605.exe, PE32+ 12->54 dropped 56 C:\Users\Public\Hmbaewme.url, MS 12->56 dropped 96 Early bird code injection technique detected 12->96 98 Allocates memory in foreign processes 12->98 100 Queues an APC in another process (thread injection) 12->100 17 colorcpl.exe 3 15 12->17         started        22 cmd.exe 1 12->22         started        24 cmd.exe 2 12->24         started        26 2 other processes 12->26 file6 signatures7 process8 dnsIp9 58 officerem.duckdns.org 23.95.235.29, 47212, 49724 AS-COLOCROSSINGUS United States 17->58 60 127.0.0.1 unknown unknown 17->60 62 geoplugin.net 178.237.33.50, 49726, 80 ATOM86-ASATOM86NL Netherlands 17->62 50 C:\ProgramData\remcos\logs.dat, data 17->50 dropped 82 Contains functionality to bypass UAC (CMSTPLUA) 17->82 84 Contains functionalty to change the wallpaper 17->84 86 Contains functionality to steal Chrome passwords or cookies 17->86 90 4 other signatures 17->90 88 Drops executables to the windows directory (C:\Windows) and starts them 22->88 28 5430605.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file10 signatures11 process12 process13 36 cmd.exe 1 28->36         started        signatures14 92 Adds a directory exclusion to Windows Defender 36->92 39 cmd.exe 1 36->39         started        42 conhost.exe 36->42         started        process15 signatures16 94 Adds a directory exclusion to Windows Defender 39->94 44 powershell.exe 23 39->44         started        46 conhost.exe 39->46         started        process17 process18 48 WmiPrvSE.exe 44->48         started       
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-03-17 23:44:34 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xhauiwjjmruuoqwjhue2nw4rsssyz7wylsnid4alllrncswfzb6q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0168646bfeec864982cff43a4969ad4d0ab5e0df69cd27f7334fcf339f752e4c
RemcosRAT
12cabee8f5b4f01796bc3897da9efec25a005d5fd5b87e7a3359cac241c9ea72
RemcosRAT
149fca390bf659c7dcbbfce20d25641ee9395b420f75b87fcd0c0bef2c5a69fe
RemcosRAT
3880c8403a1377ae8bbcc6f782e51839364c9e2e9e29ea9a02d011eeefd51d69
RemcosRAT
ae13dba25a62c3ecaf7bf4629ed726dcbb8528f6b6c6a4c7c37efefc17d93350
RemcosRAT
fe1d86987f6692e3ed55d15a115ef0956b9f183b6f790c1887602ba8a6f39fcc
RemcosRAT
+ 3'674 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/240320-hvx6vabh71/
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
Gathering data
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b9c144592964/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d

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
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Author:malware-lu
Rule name:Borland
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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 b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d

(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::LoadLibraryW
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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