MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 426072e0492151d229d31dfef04a0b3b13fbbf91a0950fa2e83a4996f2635edf. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 426072e0492151d229d31dfef04a0b3b13fbbf91a0950fa2e83a4996f2635edf
SHA3-384 hash: a09606f4414b9a3be6a2f6c5f33c3c0f19b4d687a5bdf09c3af4a9bcf6c8d73c557a488af6b28f08b17c67f89f8b55b4
SHA1 hash: 06db026f0db6d14868ed6af5e88de23853a093fa
MD5 hash: 6b9597f4b83633ea3d14438aa7a4a24a
humanhash: hawaii-moon-hot-butter
File name:FJI-0077-2025-B.exe
Download: download sample
Signature RemcosRAT
File size:1'227'067 bytes
First seen:2025-07-11 00:58:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9a16e282eba7cc710070c0586c947693 (26 x GuLoader, 11 x VIPKeylogger, 7 x RemcosRAT)
ssdeep 24576:FEprusHuWUrgVx3n3hlFDP/mLYD4Jbjabd16IVSzbeCc/k:eVKnIh/rO9bjKd1VVSzCCYk
TLSH T1F145239266608183DFE1E8F1E817C07769B69C37468899133FE8FC5F76A4882EC3D645
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
dhash icon 71e8f4e8e8f0e8c4 (2 x RemcosRAT)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
36
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
FJI-0077-2025-B.exe
Verdict:
Malicious activity
Analysis date:
2025-07-11 00:59:54 UTC
Tags:
remcos rat remote stealer mpress

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
injection obfusc spawn
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context anti-debug blackhole installer microsoft_visual_cc overlay overlay
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Early bird code injection technique detected
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Queues an APC in another process (thread injection)
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1733463 Sample: FJI-0077-2025-B.exe Startdate: 11/07/2025 Architecture: WINDOWS Score: 100 33 geoplugin.net 2->33 35 drive.usercontent.google.com 2->35 37 drive.google.com 2->37 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 6 other signatures 2->61 9 FJI-0077-2025-B.exe 1 40 2->9         started        12 svchost.exe 1 1 2->12         started        signatures3 process4 dnsIp5 27 C:\Users\user\AppData\Local\...\nsExec.dll, PE32 9->27 dropped 15 powershell.exe 30 9->15         started        45 127.0.0.1 unknown unknown 12->45 file6 process7 file8 29 C:\Users\user\AppData\...\FJI-0077-2025-B.exe, PE32 15->29 dropped 31 C:\...\FJI-0077-2025-B.exe:Zone.Identifier, ASCII 15->31 dropped 47 Early bird code injection technique detected 15->47 49 Writes to foreign memory regions 15->49 51 Found suspicious powershell code related to unpacking or dynamic code loading 15->51 53 3 other signatures 15->53 19 msiexec.exe 4 14 15->19         started        23 conhost.exe 15->23         started        signatures9 process10 dnsIp11 39 196.251.81.212, 2404, 49707 SONIC-WirelessZA Seychelles 19->39 41 drive.usercontent.google.com 142.251.167.132, 443, 49704 GOOGLEUS United States 19->41 43 2 other IPs or domains 19->43 63 Detected Remcos RAT 19->63 25 conhost.exe 19->25         started        signatures12 process13
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable NSIS Installer PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2025-07-11 00:58:14 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection discovery downloader execution installer rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Blocklisted process makes network request
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Guloader family
Guloader,Cloudeye
Remcos
Remcos family
Malware Config
C2 Extraction:
196.251.81.212:2404
Unpacked files
SH256 hash:
426072e0492151d229d31dfef04a0b3b13fbbf91a0950fa2e83a4996f2635edf
MD5 hash:
6b9597f4b83633ea3d14438aa7a4a24a
SHA1 hash:
06db026f0db6d14868ed6af5e88de23853a093fa
SH256 hash:
7229e483771d3b833e68ac582c99a57dfaef7e6aa7aacc5faedacaf2d9d203b0
MD5 hash:
6ba011498156f594d1345fa85831d120
SHA1 hash:
7dfc87657ea941d2b8bc2965d5861cdedac1ee7b
SH256 hash:
e20666c498941d36bfd0eae411ad73c475d043cee39b50c31734a70eecaae0bb
MD5 hash:
13bd8e89dc79004d85ab02626e08c3c5
SHA1 hash:
0ef0efb3237233de26f55c4420753ed0fed418ad
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:Ins_NSIS_Buer_Nov_2020_1
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

Malspam

RemcosRAT

Executable exe 426072e0492151d229d31dfef04a0b3b13fbbf91a0950fa2e83a4996f2635edf

(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
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExA
SHELL32.dll::SHFileOperationA
SHELL32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDiskFreeSpaceA
KERNEL32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::MoveFileA
KERNEL32.dll::MoveFileExA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExA
USER32.dll::OpenClipboard
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments