MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747. 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 8 File information Comments
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SHA256 hash: bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747
SHA3-384 hash: 48f7d6f8d0b3fa77692831af0566b80b6bab944127b02087d245386f8085794430b056e7eb422b529227845cbe6cf416
SHA1 hash: a913b51d74327b5fdafa2818acdf72636c3ca20a
MD5 hash: e244fd43d06ea0f234c71fff8e3f711f
humanhash: low-golf-timing-salami
File name:DMF12-DRAWING-SPECIFICATION.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'105'451 bytes
First seen:2024-11-13 11:26:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3bf8a7746a8d1ee8f6e5960c3f69378 (247 x Formbook, 75 x AgentTesla, 64 x SnakeKeylogger)
ssdeep 24576:uRmJkcoQricOIQxiZY1iaCV/uvPPJUTxDZS4NO7j4MUuvWu:7JZoQrbTFZY1iaCV/uPJoxk4NOIS
TLSH T14535E122F5C59036C1B323B19E7EF76A9A3D69360336D19B23C82E315E905416B3A773
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10522/11/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter pr0xylife
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
7'074
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.weixe.ir/DMF12-DRAWING-SPECIFICATION.exe
Verdict:
Malicious activity
Analysis date:
2024-11-13 10:56:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/76a9ca8b-803e-4bdc-9674-85712527102a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.8415.28338.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=673519f40552fd58596bb809
Tags:
autorun autoit remcos emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Connection attempt
Connecting to a non-recommended domain
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit compiled-script fingerprint keylogger microsoft_visual_cc overlay packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/67348d09dcee1c39e46fe102/reports/ea081e83-56c7-400a-8725-d8fbaf07ac48/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/76e7a455-126a-4d98-b0ec-144179023275
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1555086
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Detected Remcos RAT
Drops VBS files to the startup folder
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1555086 Sample: DMF12-DRAWING-SPECIFICATION.exe Startdate: 13/11/2024 Architecture: WINDOWS Score: 100 39 leehoi02.ddns.net 2->39 41 leehoi01.ddns.net 2->41 43 geoplugin.net 2->43 63 Suricata IDS alerts for network traffic 2->63 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 71 10 other signatures 2->71 9 DMF12-DRAWING-SPECIFICATION.exe 6 2->9         started        12 wscript.exe 1 2->12         started        signatures3 69 Uses dynamic DNS services 41->69 process4 file5 33 C:\Users\user\AppData\Local\...\outvaunts.exe, PE32 9->33 dropped 15 outvaunts.exe 3 9->15         started        87 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->87 19 outvaunts.exe 2 12->19         started        signatures6 process7 file8 37 C:\Users\user\AppData\...\outvaunts.vbs, data 15->37 dropped 51 Antivirus detection for dropped file 15->51 53 Multi AV Scanner detection for dropped file 15->53 55 Machine Learning detection for dropped file 15->55 61 2 other signatures 15->61 21 outvaunts.exe 2 15->21         started        24 svchost.exe 15->24         started        57 Writes to foreign memory regions 19->57 59 Maps a DLL or memory area into another process 19->59 26 svchost.exe 19->26         started        signatures9 process10 signatures11 73 Writes to foreign memory regions 21->73 75 Maps a DLL or memory area into another process 21->75 28 svchost.exe 2 15 21->28         started        77 Contains functionalty to change the wallpaper 24->77 79 Contains functionality to steal Chrome passwords or cookies 24->79 81 Contains functionality to register a low level keyboard hook 24->81 85 2 other signatures 24->85 83 Detected Remcos RAT 26->83 process12 dnsIp13 45 154.216.18.171, 49732, 5584 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 28->45 47 154.216.20.223, 49739, 5584 SKHT-ASShenzhenKatherineHengTechnologyInformationCo Seychelles 28->47 49 3 other IPs or domains 28->49 35 C:\ProgramData\remcos\logs.dat, data 28->35 dropped 89 System process connects to network (likely due to code injection or exploit) 28->89 91 Detected Remcos RAT 28->91 93 Installs a global keyboard hook 28->93 file14 signatures15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-11-12 16:18:59 UTC
File Type:
PE (Exe)
Extracted files:
30
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xxyyhhmc5uugwsoebzn24wjxjvm3zozx5qucm23kvssh4oi2y5dq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_036
Create hunting rule
admintool_powerrun
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:nov 12 discovery rat
Link:
https://tria.ge/reports/241113-nkevea1eqj/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Remcos family
Malware Config
C2 Extraction:
leehoi01.ddns.net:9373
103.187.117.76:5584
154.216.18.171:5584
154.216.20.223:5584
leehoi02.ddns.net:9373
areabill.duckdns.org:9373
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/94ca8bd3-8b11-4510-8c3d-df1d4b83de42
Unpacked files
SH256 hash:
83c031fc0f4ff2d40f06459da663b021a118049cb391466d09b7a4350ae85562
MD5 hash:
6c44efe5b8f4b63d5f2ba50add1965fa
SHA1 hash:
261595043e297d98db8ac425047d52c99bb2b7bf
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/352a0c7a-93ab-409d-9e5b-4b52c48d8621/
SH256 hash:
bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747
MD5 hash:
e244fd43d06ea0f234c71fff8e3f711f
SHA1 hash:
a913b51d74327b5fdafa2818acdf72636c3ca20a
Link:
https://www.unpac.me/results/352a0c7a-93ab-409d-9e5b-4b52c48d8621/
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/bdf1839d82ed286b49c40e5bae59374d59bcbb37ec28266b6aaca47e391ac747

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:AutoIt
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:AutoIT packer
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Checking for malicious import combination that common Ransomware mostly use

File information

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

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::CopySid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetAce
USER32.dll::GetUserObjectSecurity
ADVAPI32.dll::InitializeAcl
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoCreateInstanceEx
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringW
WINMM.dll::timeGetTime
WINMM.dll::waveOutSetVolume
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
ADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::ShellExecuteW
SHELL32.dll::SHFileOperationW
WIN32_PROCESS_APICan Create Process and ThreadsADVAPI32.dll::CreateProcessAsUserW
KERNEL32.dll::CreateProcessW
ADVAPI32.dll::CreateProcessWithLogonW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::SetSystemPowerState
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameW
ADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LogonUserW
ADVAPI32.dll::LookupPrivilegeValueW
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetAddConnection2W
MPR.dll::WNetUseConnectionW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegConnectRegistryW
ADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::UnlockServiceDatabase
WIN_USER_APIPerforms GUI ActionsUSER32.dll::BlockInput
USER32.dll::CloseDesktop
USER32.dll::CreateMenu
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::FindWindowW

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