MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cab60ea77933503a6d40950463a8d3ebad5d61a9b5be86864db77a914b4c4457. 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 19 File information Comments

SHA256 hash: cab60ea77933503a6d40950463a8d3ebad5d61a9b5be86864db77a914b4c4457
SHA3-384 hash: e2d9182fa62ac05e4ecb3bc447688ae7ae60aab76ff6f1332a45b0df5fa5866e8f493a4ac7a88d094826d2fbb11b0790
SHA1 hash: d172f6eceb3fca78ddb4af81412832c12a3cea18
MD5 hash: 9bf6961f9ce20b944c7c25a2c9e3389b
humanhash: william-freddie-diet-angel
File name:remcos_a.exe
Download: download sample
Signature RemcosRAT
File size:2'274'224 bytes
First seen:2025-05-02 00:29:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4035d2883e01d64f3e7a9dccb1d63af5 (47 x ServHelper, 38 x Vidar, 20 x LummaStealer)
ssdeep 24576:hTlEhDZ6+Sl3GTDir0/wHpAJCZLSV7bkg/f+5YafZykAipfD1vd4bL:hTF+w3OirXHpAU1SV7bTuqNtqfD1S
Threatray 839 similar samples on MalwareBazaar
TLSH T143B56B52B8D177BAD57AE13086929362B6F17C644B332BC72E8075AA1E75FD42E3D300
gimphash 4a4c1a95d0246a7f377f9e75e7366418db6ab3f5a0a05151e612ed176c65fac3
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon ccb2717933b2d6e8 (1 x PureLogsStealer, 1 x RemcosRAT)
Reporter Sd3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
605
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
remcos_a.exe_.exe
Verdict:
Malicious activity
Analysis date:
2025-05-01 23:53:01 UTC
Tags:
golang remcos rat remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
dropper emotet extens virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Creating a process with a hidden window
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm golang installer invalid-signature signed
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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 malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Execution from Suspicious Folder
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1679505 Sample: remcos_a.exe Startdate: 02/05/2025 Architecture: WINDOWS Score: 100 45 geoplugin.net 2->45 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 8 other signatures 2->61 8 remcos_a.exe 2 2->8         started        12 PDF.exe 2 2->12         started        14 PDF.exe 2 2->14         started        signatures3 process4 file5 39 C:\Users\Public\Music\PDF.exe, PE32+ 8->39 dropped 63 Uses cmd line tools excessively to alter registry or file data 8->63 65 Writes to foreign memory regions 8->65 67 Injects a PE file into a foreign processes 8->67 16 BitLockerToGo.exe 4 17 8->16         started        21 reg.exe 1 1 8->21         started        69 Multi AV Scanner detection for dropped file 12->69 71 Allocates memory in foreign processes 12->71 23 BitLockerToGo.exe 12->23         started        25 reg.exe 1 12->25         started        27 BitLockerToGo.exe 14->27         started        29 reg.exe 1 14->29         started        signatures6 process7 dnsIp8 41 111.90.150.101, 4088, 49726 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 16->41 43 geoplugin.net 178.237.33.50, 49727, 80 ATOM86-ASATOM86NL Netherlands 16->43 37 C:\ProgramData\remcos\logs.dat, data 16->37 dropped 47 Contains functionality to bypass UAC (CMSTPLUA) 16->47 49 Detected Remcos RAT 16->49 51 Contains functionalty to change the wallpaper 16->51 53 4 other signatures 16->53 31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        35 conhost.exe 29->35         started        file9 signatures10 process11
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
111.90.150.101:4088
Unpacked files
SH256 hash:
cab60ea77933503a6d40950463a8d3ebad5d61a9b5be86864db77a914b4c4457
MD5 hash:
9bf6961f9ce20b944c7c25a2c9e3389b
SHA1 hash:
d172f6eceb3fca78ddb4af81412832c12a3cea18
Detections:
win_epsilon_red_auto
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:NET
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_epsilon_red_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.epsilon_red.

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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::GetSystemDirectoryA

Comments