MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
SHA3-384 hash: 99fd46ce38e89b4cd9876279805e626a91eb663b1af750c85bc32dcfd44c98569bac6132a3301cea544dc221747ae94a
SHA1 hash: 38952bb5ce924019cec324793cc4d3c8307af4fa
MD5 hash: ce5790a8c9abff9f6e605373f64cb9d6
humanhash: solar-rugby-finch-eighteen
File name:42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'686'797 bytes
First seen:2024-11-05 13:20:28 UTC
Last seen:2024-11-07 14:18:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash aaaa8913c89c8aa4a5d93f06853894da (246 x Formbook, 82 x AgentTesla, 74 x RedLineStealer)
ssdeep 24576:ffmMv6Ckr7Mny5QLh+v0UP7Gm7AIwc/8/fOGu7vJM57icn08nmpMBwHACDEp:f3v+7/5QLhtUP7JkItw0Tq10iKHxW
Threatray 773 similar samples on MalwareBazaar
TLSH T1AC750212B7D780F6E9A339B5297BE727EB3576184323C48BA7E02E768F111005B36761
TrID 84.9% (.EXE) AutoIt3 compiled script executable (510622/80/67)
9.5% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
1.7% (.EXE) Win64 Executable (generic) (10522/11/4)
1.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
File icon (PE):PE icon
dhash icon b150b26869b2d471 (468 x Formbook, 101 x RedLineStealer, 94 x AgentTesla)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
4'833
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PURCHASE_ORDER.exe
Verdict:
Malicious activity
Analysis date:
2024-10-10 08:42:11 UTC
Tags:
esher
Link:
https://app.any.run/tasks/6f102cd4-95b0-4e0e-804d-1ac88269d487

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Worm.Autoit.AMHC.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6707935dab31793a7b214326
Tags:
autorun autoit remcos emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Query of malicious DNS domain
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm autoit compiled-script fingerprint keylogger microsoft_visual_cc monero overlay packed packed packer_detected remcos
Link:
https://www.filescan.io/uploads/672a1bc70833092d86c6be23/reports/f497fc12-648f-4c1d-bca6-d3169168b5b9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
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/cc7611dd-7d40-4847-a957-a09eeac54665
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1549291
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 bypass UAC (CMSTPLUA)
Contains functionality to detect sleep reduction / modifications
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
Opens the same file many times (likely Sandbox evasion)
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Switches to a custom stack to bypass stack traces
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1549291 Sample: TnP139g7Fd.exe Startdate: 05/11/2024 Architecture: WINDOWS Score: 100 37 www.projectusf.com 2->37 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 10 other signatures 2->57 9 TnP139g7Fd.exe 3 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 33 C:\Users\user\AppData\Local\...\PO.exe, PE32 9->33 dropped 71 Contains functionality to detect sleep reduction / modifications 9->71 15 PO.exe 1 9->15         started        73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->73 19 PO.exe 13->19         started        signatures6 process7 file8 35 C:\Users\user\AppData\Roaming\...\PO.vbs, data 15->35 dropped 39 Antivirus detection for dropped file 15->39 41 Multi AV Scanner detection for dropped file 15->41 43 Machine Learning detection for dropped file 15->43 49 3 other signatures 15->49 21 svchost.exe 3 2 15->21         started        45 Writes to foreign memory regions 19->45 47 Maps a DLL or memory area into another process 19->47 25 svchost.exe 1 19->25         started        signatures9 process10 file11 31 C:\ProgramData\gfh\logs.dat, data 21->31 dropped 59 Contains functionality to bypass UAC (CMSTPLUA) 21->59 61 Detected Remcos RAT 21->61 63 Contains functionalty to change the wallpaper 21->63 69 4 other signatures 21->69 27 WerFault.exe 20 16 21->27         started        29 WerFault.exe 3 16 21->29         started        65 Opens the same file many times (likely Sandbox evasion) 25->65 67 Installs a global keyboard hook 25->67 signatures12 process13
Score:
97%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-10-09 16:27:28 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ikjv2jkxuhmuqi6tfiwz4yaxum7zmg46m4rjfpxnci6uwqoidqqa._file
Verdict:
malicious
Label(s):
admintool_powerrun
Create hunting rule
Similar samples:
1d368847a6147bf3d3214a9932dfaef99aa12bce076f8f693eec1e518a0d46ad
RemcosRAT
4814d2923369ffb5245d01dc4d9854aadd669fed95cfe32c24919256b2176165
RemcosRAT
8d3f2503bf26b36de8de3ebaef4f3bcbea79c43c56ec4827d7944acdb8eec11c
RemcosRAT
aa94789a713974def1a32ef79bffc58f3ed491bbee29859d839a3659e658c349
RemcosRAT
c6789cf795ae3fb1084f4eec8b4cbea4f5b345df502738b2b7afc5bcfa47a852
RemcosRAT
+ 763 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Link:
https://tria.ge/reports/241105-qlm9aatqhr/
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:
www.projectusf.com:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5ef28311-30c2-49e7-beaf-5a8f7cbc648f
Unpacked files
SH256 hash:
66dbd4139be7accf2c2aed89474771a54ccb9c23a4ecd1fe82836a91ca3f7ff4
MD5 hash:
a930d9aea2b1e75cdc05998127c05eba
SHA1 hash:
6ad0d89bfd465e8e5eb634c362b24decb9b1c9ee
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_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/67c490cb-6e06-42c6-ac81-df1253da8b06/
Parent samples :
66c41f2310824c8b5b2365a2283d28c5b47d2a829afa45a1b00b710259d9622d
929167f47e1116759145eb457f86474a311374373b05b11438ea1222a9e2a8f0
e18f7d1e4381c956556250ca9be9e97377b602ebd0ab96b1c092682596a90fbf
83fd4f6c8ca4ae094ea629eda985b11e495aa8f6c8421970ef8573a50808e344
76c073734ff5f0942c8c539be408367b83a78ce995e8d9502bea6e9d83d1c3ad
e4ace06a385ffb8c6fc0fe10739551815c51e3191395c3c80d0254671d982657
42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
SH256 hash:
42935d2557a1d94823d32a2d9e6017a33f961b9e672292beed123d4b41c81c20
MD5 hash:
ce5790a8c9abff9f6e605373f64cb9d6
SHA1 hash:
38952bb5ce924019cec324793cc4d3c8307af4fa
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/67c490cb-6e06-42c6-ac81-df1253da8b06/
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: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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants

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::WriteConsoleA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileW
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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