MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a. 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: 20


Intelligence 20 IOCs 1 YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a
SHA3-384 hash: d3bcd40960f7d3ea01e0fb80a26bfd9116a708f1a35cc6efb9c1c7769748c88ba56ac647c21940052c368aeb3413264b
SHA1 hash: 3c256798e709df746d82bc52d63b899ce683f70f
MD5 hash: 5d147de36f2ca34687b139375055625e
humanhash: avocado-sad-sink-aspen
File name:5d147de36f2ca34687b139375055625e.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:499'200 bytes
First seen:2025-07-21 04:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1dac0fb7dad849409daf9e23353df461 (32 x RemcosRAT)
ssdeep 12288:wvSPwdNnNZGA3/hvESbvqCqYH2v595OuVIsPZ3lL:wqPONnNZ33/VY42hnOmZ1
TLSH T1C9B4BF01B6E2C1B2D57654300C26E776DEBCFD202835997B63E60D57FD30190AB3AAB6
TrID 32.2% (.EXE) Win64 Executable (generic) (10522/11/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
45.133.116.121:8437

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.133.116.121:8437 https://threatfox.abuse.ch/ioc/1558887/

Intelligence

File Origin
# of uploads :
1
# of downloads :
52
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
5d147de36f2ca34687b139375055625e.exe
Verdict:
Malicious activity
Analysis date:
2025-07-21 04:27:55 UTC
Tags:
remcos rat stealer
Link:
https://app.any.run/tasks/d65fcc47-3184-4710-8576-f755f0b567f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/16034/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=687dc1382f623871a5f10234
Tags:
dropper crypted lien remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Launching a service
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug cmd config-extracted crypto evasive exploit explorer fingerprint fingerprint keylogger lolbin microsoft_visual_cc packed rat rat remcos remcos windows
Link:
https://www.filescan.io/uploads/687dc13212460d69545fb4e9/reports/4aa78023-68e3-4483-884a-2ac4ac60d99b/overview
Verdict:
Malicious
Labled as:
Trojan.Remcos
Link:
https://www.hybrid-analysis.com/sample/157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8ea887b5-28c0-49e0-b713-0ce08ea28b74
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1740725
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Detected Remcos RAT
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Joe Sandbox ML detected suspicious 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: Remcos
Suricata IDS alerts for network traffic
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)
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: 1740725 Sample: MKnilzs70g.exe Startdate: 21/07/2025 Architecture: WINDOWS Score: 100 25 www.vidrloscobo.com 2->25 27 geoplugin.net 2->27 35 Suricata IDS alerts for network traffic 2->35 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 10 other signatures 2->41 7 MKnilzs70g.exe 4 17 2->7         started        signatures3 process4 dnsIp5 29 www.vidrloscobo.com 45.133.116.121, 49722, 49723, 8437 M247GB Estonia 7->29 31 103.199.18.230, 8437 GREENCLOUDVPS-AS-VN365Onlinetechnologyjointstockcompan Viet Nam 7->31 33 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 7->33 19 C:\Users\user\AppData\Local\Temp\THF0C8.tmp, MS-DOS 7->19 dropped 21 C:\Users\user\AppData\Local\Temp\THF0A8.tmp, MS-DOS 7->21 dropped 23 C:\Users\user\AppData\Local\Temp\THF078.tmp, PE32 7->23 dropped 43 Contains functionality to bypass UAC (CMSTPLUA) 7->43 45 Detected Remcos RAT 7->45 47 Contains functionalty to change the wallpaper 7->47 49 5 other signatures 7->49 12 svchost.exe 2 7->12         started        15 svchost.exe 1 7->15         started        17 svchost.exe 1 7->17         started        file6 signatures7 process8 signatures9 51 Tries to steal Mail credentials (via file registry) 12->51 53 Tries to harvest and steal browser information (history, passwords, etc) 12->53 55 Tries to steal Instant Messenger accounts or passwords 15->55 57 Tries to steal Mail credentials (via file / registry access) 17->57
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/5d147de36f2ca34687b139375055625e
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a/
Verdict:
Malicious
Threat:
HEUR:PSWTool.Win32.PassView
Link:
https://tip.neiki.dev/file/157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-07-17 17:28:27 UTC
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cv74ikw6rw5wgkq2rm6zyieaaqa3yh23erlrsvafmd6ll4e32gna._file
Verdict:
malicious
Label(s):
admintool_mailpassview
Create hunting rule
remcos
Create hunting rule
nirsoft
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery
Link:
https://tria.ge/reports/250721-e16tdszvev/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Malware Config
C2 Extraction:
103.199.18.230:8437
www.vidrloscobo.com:8437
Verdict:
Malicious
Tags:
rat remcos Win.Trojan.Remcos-9841897-0 Remcos
YARA:
malware_windows_remcos_rat REMCOS_RAT_variants Remcos_Payload win_remcos_rat_unpacked Windows_Trojan_Remcos_b296e965 MAL_EXE_Remcos_RAT_Jul_22 Remcos
Link:
https://app.threat.zone/submission/3d875934-3694-428f-ba42-a89c92f8b234
Unpacked files
SH256 hash:
157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a
MD5 hash:
5d147de36f2ca34687b139375055625e
SHA1 hash:
3c256798e709df746d82bc52d63b899ce683f70f
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
Link:
https://www.unpac.me/results/c48140ff-0c78-42ed-a7cb-f09e415ac63d/
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/157fc42ade8dbb632a1a8b3d9c20800401bc1f5b245719540560fcb5f09bd19a

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/16034/

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
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipGetImageEncoders
gdiplus.dll::GdipGetImageEncodersSize
gdiplus.dll::GdipAlloc
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mciSendStringA
WINMM.dll::mciSendStringW
WINMM.dll::PlaySoundW
WINMM.dll::waveInAddBuffer
WINMM.dll::waveInClose
WINMM.dll::waveInOpen
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::ShellExecuteW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToFileW
urlmon.dll::URLOpenBlockingStreamW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CreateProcessA
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::WriteProcessMemory
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindFirstVolumeW
KERNEL32.dll::FindNextVolumeW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleOutputCP
KERNEL32.dll::SetConsoleTextAttribute
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileA
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileExW
KERNEL32.dll::MoveFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW
ADVAPI32.dll::LookupPrivilegeValueA
KERNEL32.dll::QueryDosDeviceW
WIN_CRYPT_APIUses Windows Crypt APIADVAPI32.dll::CryptAcquireContextA
ADVAPI32.dll::CryptGenRandom
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegCreateKeyW
ADVAPI32.dll::RegCreateKeyA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
WIN_SVC_APICan Manipulate Windows ServicesADVAPI32.dll::ChangeServiceConfigW
ADVAPI32.dll::ControlService
ADVAPI32.dll::OpenSCManagerW
ADVAPI32.dll::OpenSCManagerA
ADVAPI32.dll::OpenServiceW
ADVAPI32.dll::QueryServiceConfigW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExA

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