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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d. 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: 13


Intelligence 13 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d
SHA3-384 hash: 5e374e1bb87204a9f3c60980bc8fb069da04e2aa5f4de0a7c74035f5d57dc11c49ff1bfe1b225b3e02dc27e51830eaf2
SHA1 hash: 8e995a6a2f49e2af15074e51f16df1bf79c863d6
MD5 hash: cbc6f804f13cc6ccd5fa87c96f4d9f10
humanhash: may-georgia-hot-ceiling
File name:WеChаt_Mеssеngеr.v9.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:25'160'080 bytes
First seen:2025-06-05 08:32:19 UTC
Last seen:2025-06-05 08:37:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 573bb7b41bc641bd95c0f5eec13c233b (66 x GuLoader, 32 x AgentTesla, 31 x RemcosRAT)
ssdeep 393216:anB4lmt14sRdjmq5aGzwa3JpmJL9zgU67KOvD/a2ilBqBsaWueMIPelS:aB4lWdjdYqwEJpmJL9zgHD/adOBsFue1
TLSH T1BE473330346B0413F8F6D87914B342F8ADA92AE8A1568C7ECED5F784079AB7D44DF219
TrID 37.3% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 48b86ae290a0c108 (3 x DonutLoader, 1 x AveMariaRAT, 1 x RemcosRAT)
Reporter skocherhan
Tags:exe LLC-CiTyAr-GROUP opendir RemcosRAT signed

Code Signing Certificate

Organisation:LLC CiTyAr GROUP
Issuer:GlobalSign GCC R45 EV CodeSigning CA 2020
Algorithm:sha256WithRSAEncryption
Valid from:2025-05-06T14:07:24Z
Valid to:2026-05-07T14:07:24Z
Serial number: 7cc47a19b9258f9a884585c5
Intelligence: 8 malware samples on MalwareBazaar are signed with this code signing certificate
MalwareBazaar Blocklist:This certificate is on the MalwareBazaar code signing certificate blocklist (CSCB)
Cert Graveyard Blocklist:This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:SHA256
Thumbprint: f7bb934d892515746dea53ab10f0b56e791089ee45c088c506571aea8628b04b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
skocherhan
https://zoom-conference.pro/W%D0%B5Ch%D0%B0t_M%D0%B5ss%D0%B5ng%D0%B5r.v9.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
440
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
WCht_Mssngr.v9.exe
Verdict:
Malicious activity
Analysis date:
2025-06-05 08:39:46 UTC
Tags:
python arch-exec arch-doc
Link:
https://app.any.run/tasks/e501ad4c-a228-4da6-8b21-8e7e227d63ea

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/7436/
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.6220.11469.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
89.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6841588a07b5e8c1cfe4d704
Tags:
n/a
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a file
Creating a process from a recently created file
Delayed reading of the file
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context blackhole installer masquerade microsoft_visual_cc nemesis overlay signed
Link:
https://www.filescan.io/uploads/6841566b985349514e6055e8/reports/5fc07fde-3ef7-4f80-a80e-50a73fce1d5c/overview
Verdict:
Malicious
Labled as:
Gen_Variant_Nemesis_43038
Link:
https://www.hybrid-analysis.com/sample/e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.troj
Score:
57 / 100
Link:
https://www.joesandbox.com/analysis/1706982
Signature
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Sigma detected: Add file from suspicious location to autostart registry
Sigma detected: Files With System Process Name In Unsuspected Locations
Uses cmd line tools excessively to alter registry or file data
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1706982 Sample: W#U0435Ch#U0430t_M#U0435ss#... Startdate: 05/06/2025 Architecture: WINDOWS Score: 57 76 images-eds-ssl.xboxlive.com.edgekey.net 2->76 78 images-eds-ssl.xboxlive.com 2->78 80 2 other IPs or domains 2->80 86 Multi AV Scanner detection for submitted file 2->86 88 Sigma detected: Add file from suspicious location to autostart registry 2->88 90 Joe Sandbox ML detected suspicious sample 2->90 92 Sigma detected: Files With System Process Name In Unsuspected Locations 2->92 9 W#U0435Ch#U0430t_M#U0435ss#U0435ng#U0435r.v9.exe 96 2->9         started        12 cmd.exe 2->12         started        15 cmd.exe 2->15         started        17 11 other processes 2->17 signatures3 process4 file5 66 C:\Users\user\AppData\Local\...\WmiPrvSE.exe, PE32 9->66 dropped 68 C:\Users\user\AppData\Local\...\LICENSE.txt, data 9->68 dropped 70 C:\Users\user\AppData\Local\...\System.dll, PE32 9->70 dropped 72 68 other files (none is malicious) 9->72 dropped 19 WmiPrvSE.exe 2 9->19         started        22 pythonw.exe 2 9->22         started        102 Uses cmd line tools excessively to alter registry or file data 12->102 25 conhost.exe 12->25         started        27 reg.exe 12->27         started        36 2 other processes 15->36 29 Setup.exe 16 19 17->29         started        32 conhost.exe 17->32         started        34 WMIC.exe 17->34         started        38 4 other processes 17->38 signatures6 process7 dnsIp8 94 Uses cmd line tools excessively to alter registry or file data 19->94 40 cmd.exe 1 19->40         started        43 cmd.exe 19->43         started        45 reg.exe 19->45         started        47 explorer.exe 1 19->47         started        82 download.sftp-api-group-wechat.com 104.21.52.155, 443, 49719, 49720 CLOUDFLARENETUS United States 22->82 49 cmd.exe 1 22->49         started        84 e87.dspg.akamaiedge.net 23.51.56.9, 443, 49721, 49726 TMNET-AS-APTMNetInternetServiceProviderMY United States 29->84 74 C:\...\Microsoft.Management.Deployment.winmd, PE32 29->74 dropped file9 signatures10 process11 signatures12 100 Uses cmd line tools excessively to alter registry or file data 40->100 51 WMIC.exe 1 40->51         started        54 conhost.exe 40->54         started        56 conhost.exe 43->56         started        58 reg.exe 43->58         started        60 conhost.exe 45->60         started        62 WMIC.exe 1 49->62         started        64 conhost.exe 49->64         started        process13 signatures14 96 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 51->96 98 Queries memory information (via WMI often done to detect virtual machines) 51->98
Score:
53%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d
Gathering data
Threat name:
Win32.Malware.Nemesis
Create hunting rule
Status:
Malicious
First seen:
2025-06-01 02:49:56 UTC
File Type:
PE (Exe)
Extracted files:
3456
AV detection:
3 of 38 (7.89%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4hfadvxc7ilhldqv2c7rzhvztroe6ttmev73nazcgesgptxb22gq._file
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:donutloader discovery execution linux loader persistence
Link:
https://tria.ge/reports/250605-kfnd7sep5z/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Detects DonutLoader
DonutLoader
Donutloader family
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/99722d76-2574-40c8-91a7-bbdb9f2ebd97
Malware family:
Stealc.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e1ca01d6e2fa/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/e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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:epsilon
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked epsilon malware samples.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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:upxHook
Create hunting rule
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/
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.

Web download

RemcosRAT

Executable exe e1ca01d6e2fa16758e15d0bf1c9eb99c5c4f4e6c257fb68322312467cee1d68d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558463/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/7436/

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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