MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c. 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: 17


Intelligence 17 IOCs 1 YARA 32 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
SHA3-384 hash: c2b339a6f3b9f1cad91403b5fc4d601862c37082c547f0781ee562e20135d1844a8d71977baa12d1ba41c877ccab5b75
SHA1 hash: d6f230d6095b7efec8a114de715762472b9f135a
MD5 hash: 3a1a4f257fe35050c1360d769cbcb64d
humanhash: single-mountain-purple-fruit
File name:payment receipt.jpg.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'330'688 bytes
First seen:2025-05-07 13:03:58 UTC
Last seen:2025-05-08 11:35:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3d95adbf13bbe79dc24dccb401c12091 (881 x AgentTesla, 737 x FormBook, 236 x SnakeKeylogger)
ssdeep 24576:ytb20pkaCqT5TBWgNQ7aiG00e9AEJjK3tWYvXQHGEAd6A:/Vg5tQ7aih0WAEZKdFvXQHW5
TLSH T1EE55D01363DDC361C3B25273BA25B701AEBF782506B5F96B2FD8093DE920122525E673
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter James_inthe_box
Tags:exe RemcosRAT

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
23.146.242.237:5817 https://threatfox.abuse.ch/ioc/1518026/

Intelligence

File Origin
# of uploads :
4
# of downloads :
486
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SOA.pdf.exe
Verdict:
Suspicious activity
Analysis date:
2025-05-07 13:07:42 UTC
Tags:
auto-startup
Link:
https://app.any.run/tasks/3d21960f-981b-479f-bfb8-b12adeb923fc

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=681b5adf91991ead82b5d2c6
Tags:
autorun autoit emotet locky
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
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Forced shutdown of a system process
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcf99210-aac4-4231-ae56-d99276a342fe
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1683813
Signature
Antivirus detection for dropped file
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Drops VBS files to the startup folder
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
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: 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)
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1683813 Sample: payment receipt.jpg.exe Startdate: 08/05/2025 Architecture: WINDOWS Score: 100 59 geoplugin.net 2->59 81 Suricata IDS alerts for network traffic 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 14 other signatures 2->87 10 payment receipt.jpg.exe 4 2->10         started        14 wscript.exe 1 2->14         started        signatures3 process4 file5 57 C:\Users\user\AppData\Local\...\neophobia.exe, PE32 10->57 dropped 103 Binary is likely a compiled AutoIt script file 10->103 16 neophobia.exe 2 10->16         started        105 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->105 20 neophobia.exe 1 14->20         started        signatures6 process7 file8 47 C:\Users\user\AppData\...\neophobia.vbs, data 16->47 dropped 65 Multi AV Scanner detection for dropped file 16->65 67 Binary is likely a compiled AutoIt script file 16->67 69 Drops VBS files to the startup folder 16->69 71 Switches to a custom stack to bypass stack traces 16->71 22 neophobia.exe 1 16->22         started        25 svchost.exe 16->25         started        27 neophobia.exe 1 20->27         started        29 svchost.exe 20->29         started        signatures9 process10 signatures11 89 Binary is likely a compiled AutoIt script file 22->89 91 Writes to foreign memory regions 22->91 93 Maps a DLL or memory area into another process 22->93 31 svchost.exe 4 18 22->31         started        95 Found hidden mapped module (file has been removed from disk) 25->95 36 svchost.exe 27->36         started        process12 dnsIp13 61 23.146.242.237, 49712, 49714, 5817 VDI-NETWORKUS Reserved 31->61 63 geoplugin.net 178.237.33.50, 49715, 80 ATOM86-ASATOM86NL Netherlands 31->63 49 C:\Users\user\AppData\Local\Temp\TH1811.tmp, MS-DOS 31->49 dropped 51 C:\Users\user\AppData\Local\Temp\TH17A3.tmp, MS-DOS 31->51 dropped 53 C:\Users\user\AppData\Local\Temp\TH1773.tmp, PE32 31->53 dropped 55 C:\ProgramData\remcos\logs.dat, data 31->55 dropped 73 System process connects to network (likely due to code injection or exploit) 31->73 75 Detected Remcos RAT 31->75 77 Maps a DLL or memory area into another process 31->77 79 Installs a global keyboard hook 31->79 38 svchost.exe 1 31->38         started        41 svchost.exe 1 31->41         started        43 svchost.exe 2 31->43         started        45 4 other processes 31->45 file14 signatures15 process16 signatures17 97 Tries to steal Instant Messenger accounts or passwords 38->97 99 Tries to steal Mail credentials (via file / registry access) 38->99 101 Tries to harvest and steal browser information (history, passwords, etc) 41->101
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-05-07 04:36:38 UTC
File Type:
PE (Exe)
Extracted files:
23
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iknjhz5t7gfkuyq47heoq24j2eoywebsa43ey7mkl55jssnt6fwa._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery rat
Link:
https://tria.ge/reports/250507-qa3vlabl7s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
23.146.242.237:5817
Verdict:
Suspicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/291ce532-8131-460d-a8f6-61b899c54b61
Unpacked files
SH256 hash:
429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c
MD5 hash:
3a1a4f257fe35050c1360d769cbcb64d
SHA1 hash:
d6f230d6095b7efec8a114de715762472b9f135a
Link:
https://www.unpac.me/results/e25dd30d-3fd0-4190-bf96-eaefb0f54619/
SH256 hash:
b60a2ebd3e4ac45f9fe526687bb808ca7cd5e921fb33ecd0c9bc168c7b03c3b7
MD5 hash:
2f17923364480220b295fd37561a31e5
SHA1 hash:
7c29ebe081031ef9d898e4e3fd76bc0198329f7d
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/e25dd30d-3fd0-4190-bf96-eaefb0f54619/
Malware family:
WebBrowserPassView
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/429a93e7b3f9/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c

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_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: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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:nirsoft_v1
Create hunting rule
Author:RandomMalware
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:TeslaCryptPackedMalware
Create hunting rule
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:YahLover
Create hunting rule
Author:Kevin Falcoz
Description:YahLover
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.

Malspam

RemcosRAT

Executable exe 429a93e7b3f98aaa621cf9c8e86b89d11d8b103207364c7d8a5f7a9949b3f16c

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CopySid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::GetLengthSid
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::GetAce
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::CheckTokenMembership
ADVAPI32.dll::DuplicateTokenEx
ADVAPI32.dll::GetAclInformation
ADVAPI32.dll::GetSecurityDescriptorDacl
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::LoadLibraryA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
IPHLPAPI.DLL::IcmpCreateFile
KERNEL32.dll::CreateFileW
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_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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