MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98
SHA3-384 hash: 7bd789f46f13a5c487cb4dfd4f796944a0acea6c1e6f220a98799e12ff583f9382dd0340319bdf2ea11fd0206b02a406
SHA1 hash: c0056591460dff8c5a163f6ce0ec7b22d469a4cb
MD5 hash: ca811679ed43268456b3e323cae3ed70
humanhash: seventeen-early-papa-finch
File name:remittances.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:164'352 bytes
First seen:2024-08-22 16:48:35 UTC
Last seen:2024-08-23 16:06:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4cea7ae85c87ddc7295d39ff9cda31d1 (85 x RedLineStealer, 72 x LummaStealer, 62 x Rhadamanthys)
ssdeep 3072:4ahKyd2n31ui5GWp1icKAArDZz4N9GhbkrNEk1uiUT:4ahOw0p0yN90QEZi4
TLSH T130F38D0A63E420A6E4B657B499F302935A32BCB15B7982FF13C4D57E4E336D0A532B17
TrID 58.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
16.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter angel11VR
Tags:exe RAT remcos RemcosRAT stego


Avatar
angel11VR
>> scan_doc_9038376738.pdf.url >> \\185.217.197.84@80\file\remittances.exe
bitbucket.org/hgdfhdfgd/test/ >.jpg
bitbucket.org/rulmerurk/ertertqw/ >.txt > Msbuild.exe > 111.90.148.123

Intelligence

File Origin
# of uploads :
3
# of downloads :
428
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Документи (Платіжне доручення) .msg
Verdict:
Malicious activity
Analysis date:
2024-08-22 11:47:20 UTC
Tags:
webdav loader
Link:
https://app.any.run/tasks/d9c06403-24d7-4989-84a5-e245252a3257

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
TwinWave.EvilVBA.LostAtSeaFuncInDirection.20240306.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c76c01e7ff3f5a063bc5ec
Tags:
Encryption Execution Generic Network Static Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process with a hidden window
Сreating synchronization primitives
Creating a process from a recently created file
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Searching for the window
Delayed reading of the file
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Launching a file downloaded from the Internet
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
advpack CAB cmd explorer installer lolbin microsoft_visual_cc overlay packed powershell rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/66c76da30f9197595929a9ca/reports/a17da67c-778d-44b2-b1a1-2e1d04212cbf/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/240aede8-bdc5-4edd-ac88-c46018004c05
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497369
Signature
AI detected suspicious sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sample uses process hollowing technique
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powershell download and load assembly
Sigma detected: Powershell download payload from hardcoded c2 list
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Silenttrinity Stager Msbuild Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect virtualization through RDTSC time measurements
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)
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected GuLoader
Yara detected Powershell download and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1497369 Sample: remittances.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 58 s3-w.us-east-1.amazonaws.com 2->58 60 geoplugin.net 2->60 62 6 other IPs or domains 2->62 88 Suricata IDS alerts for network traffic 2->88 90 Found malware configuration 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 18 other signatures 2->94 12 remittances.exe 1 3 2->12         started        signatures3 process4 file5 56 C:\Users\user\AppData\Local\Temp\...\plk.vbs, ASCII 12->56 dropped 15 cmd.exe 3 2 12->15         started        process6 process7 17 wscript.exe 1 15->17         started        20 conhost.exe 15->20         started        signatures8 72 Suspicious powershell command line found 17->72 74 Wscript starts Powershell (via cmd or directly) 17->74 76 Very long command line found 17->76 78 3 other signatures 17->78 22 powershell.exe 7 17->22         started        process9 signatures10 106 Suspicious powershell command line found 22->106 108 Found suspicious powershell code related to unpacking or dynamic code loading 22->108 25 powershell.exe 14 16 22->25         started        29 conhost.exe 22->29         started        process11 dnsIp12 64 bitbucket.org 185.166.143.49, 443, 49704, 49705 AMAZON-02US Germany 25->64 66 s3-w.us-east-1.amazonaws.com 54.231.197.97, 443, 49706, 49708 AMAZON-02US United States 25->66 110 Writes to foreign memory regions 25->110 112 Injects a PE file into a foreign processes 25->112 31 MSBuild.exe 3 18 25->31         started        signatures13 process14 dnsIp15 68 111.90.148.123, 2404, 49709, 49716 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 31->68 70 geoplugin.net 178.237.33.50, 49720, 80 ATOM86-ASATOM86NL Netherlands 31->70 46 C:\Users\user\AppData\Local\Temp\word.exe, PE32 31->46 dropped 48 C:\ProgramData\remcos\logs.dat, data 31->48 dropped 80 Contains functionality to bypass UAC (CMSTPLUA) 31->80 82 Tries to steal Mail credentials (via file registry) 31->82 84 Contains functionalty to change the wallpaper 31->84 86 8 other signatures 31->86 36 word.exe 1 30 31->36         started        40 MSBuild.exe 31->40         started        42 MSBuild.exe 31->42         started        44 4 other processes 31->44 file16 signatures17 process18 file19 50 C:\Users\user\spherosome\...\Unending.die, data 36->50 dropped 52 C:\Users\user\AppData\Local\...\nsz4D28.tmp, data 36->52 dropped 54 C:\Users\user\AppData\Local\...\System.dll, PE32 36->54 dropped 96 Machine Learning detection for dropped file 36->96 98 Tries to detect virtualization through RDTSC time measurements 36->98 100 Tries to steal Instant Messenger accounts or passwords 40->100 102 Tries to steal Mail credentials (via file / registry access) 40->102 104 Tries to harvest and steal browser information (history, passwords, etc) 42->104 signatures20
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98/
Threat name:
Win64.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2024-08-22 11:52:34 UTC
File Type:
PE+ (Exe)
Extracted files:
36
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vuwxmvflg3js6tahtewzsuldmjg7qeczdkfgfjn3m4ekjeltj6ma._file
Verdict:
unknown
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:hst2 collection credential_access discovery execution persistence rat stealer
Link:
https://tria.ge/reports/240822-vdghzszfkl/
Behaviour
Checks processor information in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NSIS installer
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
111.90.148.123:2404
111.90.148.123:80
111.90.148.123:8080
111.90.148.123:5651
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ff02bce4-a596-4bd3-926a-2ee10b8b6ddd
Unpacked files
SH256 hash:
ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98
MD5 hash:
ca811679ed43268456b3e323cae3ed70
SHA1 hash:
c0056591460dff8c5a163f6ce0ec7b22d469a4cb
Link:
https://www.unpac.me/results/a7c498a1-d3ad-4008-83d8-7da96bab56ee/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ad2d7654ab36/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/ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98

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_Redline_Stealer
Create hunting rule
Author:Varp0s

File information

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

Malspam

RemcosRAT

Executable exe ad2d7654ab36d32f4c07992d995163624df810591a8a62a5bb6708a491734f98

(this sample)

Malpedia
Malpedia
https://malpedia.caad.fkie.fraunhofer.de/details/win.remcos
  
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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA

Comments