MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088
SHA3-384 hash: b8008d501032d5049fa6fbdff535646f9e9c52c302f92b3152a22675b7cb9d2222ab51d05a91a148aeeae74a31784edb
SHA1 hash: d8d9726a0a67795a01fed368055d9315feada3fd
MD5 hash: 7caf240db905f259197cf71b03acf888
humanhash: fish-salami-yellow-green
File name:7caf240db905f259197cf71b03acf888.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:983'040 bytes
First seen:2025-01-03 23:00:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:GzrpUdcKiEWIXZ4aQJkf1dedJNxkTeGnAoEe:cpKiEWIJ4aWkfjedxkTeGAo9
TLSH T11E2512586B0AE103C95527B40E71F2B51A7D5DDEA911E3378FEC3EEBB826E106D44183
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 70b269e8cccccc28 (2 x RemcosRAT, 1 x Expiro, 1 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
185.234.72.215:4444

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
185.234.72.215:4444 https://threatfox.abuse.ch/ioc/1377757/

Intelligence

File Origin
# of uploads :
1
# of downloads :
609
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
7caf240db905f259197cf71b03acf888.exe
Verdict:
Malicious activity
Analysis date:
2025-01-03 23:01:14 UTC
Tags:
remcos rat evasion stealer
Link:
https://app.any.run/tasks/601ce78d-c845-4d27-a547-6179cbe5d097

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3148.22714.17257.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67786d261ada7077982628c1
Tags:
virus msil remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Setting a keyboard event handler
Connection attempt
Launching a process
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67786c3051efe97e188c0342/reports/4aa371f4-eacb-4314-b2da-a8bacb2f2664/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f8262687-27e1-4ba7-a2c1-675a7cce5dcb
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/1583975
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for 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
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Query firmware table information (likely to detect VMs)
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
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)
Writes to foreign memory regions
Yara detected AntiVM3
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: 1583975 Sample: iGhDjzEiDU.exe Startdate: 04/01/2025 Architecture: WINDOWS Score: 100 99 shed.dual-low.s-part-0017.t-0009.t-msedge.net 2->99 101 s-part-0017.t-0009.t-msedge.net 2->101 103 geoplugin.net 2->103 109 Suricata IDS alerts for network traffic 2->109 111 Found malware configuration 2->111 113 Malicious sample detected (through community Yara rule) 2->113 115 17 other signatures 2->115 12 iGhDjzEiDU.exe 4 2->12         started        16 mstee.sys 2->16         started        18 mskssrv.sys 2->18         started        signatures3 process4 file5 87 C:\Users\user\AppData\...\iGhDjzEiDU.exe.log, ASCII 12->87 dropped 155 Contains functionality to bypass UAC (CMSTPLUA) 12->155 157 Contains functionalty to change the wallpaper 12->157 159 Contains functionality to steal Chrome passwords or cookies 12->159 161 5 other signatures 12->161 20 iGhDjzEiDU.exe 1 4 12->20         started        24 powershell.exe 23 12->24         started        26 iGhDjzEiDU.exe 12->26         started        signatures6 process7 file8 83 C:\Users\user\AppData\Roaming\...\graias.exe, PE32 20->83 dropped 85 C:\Users\user\...\graias.exe:Zone.Identifier, ASCII 20->85 dropped 127 Detected Remcos RAT 20->127 129 Creates autostart registry keys with suspicious names 20->129 28 graias.exe 4 20->28         started        131 Loading BitLocker PowerShell Module 24->131 31 conhost.exe 24->31         started        signatures9 process10 signatures11 147 Antivirus detection for dropped file 28->147 149 Multi AV Scanner detection for dropped file 28->149 151 Tries to steal Mail credentials (via file registry) 28->151 153 3 other signatures 28->153 33 graias.exe 28->33         started        38 powershell.exe 23 28->38         started        40 chrome.exe 28->40         started        process12 dnsIp13 95 185.234.72.215, 4444, 49733, 49737 COMBAHTONcombahtonGmbHDE United Kingdom 33->95 97 geoplugin.net 178.237.33.50, 49735, 80 ATOM86-ASATOM86NL Netherlands 33->97 79 C:\...\xyepttayrhgkznkxmawzcpzmosukc.vbs, data 33->79 dropped 81 C:\ProgramData\graias\logs.dat, data 33->81 dropped 117 Detected Remcos RAT 33->117 119 Writes to foreign memory regions 33->119 121 Maps a DLL or memory area into another process 33->121 123 Installs a global keyboard hook 33->123 42 dxdiag.exe 33->42         started        45 graias.exe 33->45         started        47 graias.exe 33->47         started        53 14 other processes 33->53 125 Loading BitLocker PowerShell Module 38->125 49 conhost.exe 38->49         started        51 WmiPrvSE.exe 38->51         started        file14 signatures15 process16 signatures17 133 Query firmware table information (likely to detect VMs) 42->133 135 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 42->135 137 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 42->137 139 Installs a global keyboard hook 42->139 141 Tries to steal Instant Messenger accounts or passwords 45->141 143 Tries to steal Mail credentials (via file / registry access) 45->143 145 Tries to harvest and steal browser information (history, passwords, etc) 47->145 55 chrome.exe 53->55         started        58 chrome.exe 53->58         started        60 chrome.exe 53->60         started        62 12 other processes 53->62 process18 dnsIp19 105 192.168.2.4, 138, 443, 4444 unknown unknown 55->105 107 239.255.255.250 unknown Reserved 55->107 64 chrome.exe 55->64         started        67 chrome.exe 58->67         started        69 chrome.exe 60->69         started        71 chrome.exe 62->71         started        73 chrome.exe 62->73         started        75 chrome.exe 62->75         started        77 8 other processes 62->77 process20 dnsIp21 89 s-part-0039.t-0009.t-msedge.net 13.107.246.67, 443, 49751, 49855 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 64->89 91 www.google.com 142.250.185.196, 443, 49755, 50095 GOOGLEUS United States 64->91 93 8 other IPs or domains 64->93
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-12-30 10:30:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zaax6uthspoyw23otc72tbd7z45kprajnkcde4m2qmsoa25iycea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:hawkeye family:remcos botnet:graias discovery execution keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/250103-2zjc2azrhr/
Behaviour
Checks SCSI registry key(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
HawkEye
Hawkeye family
Remcos
Remcos family
Malware Config
C2 Extraction:
185.234.72.215:4444
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/315c26f0-86b6-4e11-bcfa-1303dcef414a
Unpacked files
SH256 hash:
38fab977db1afa7d55b8866200831cf63a8df53d8bd4444ceb5b345feea7fb45
MD5 hash:
27c0e331f22f96bb50f30c937ee16cc2
SHA1 hash:
b2a4afbbd41463b0360e4b1b527b40f1b32e4e83
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
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/7b05450f-3e20-4423-b15d-f8c47bb4e8bb/
Parent samples :
c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088
51c0bcbc40451c10e3b56df10853156378e8dbfb32ee63ea936737d42818822c
SH256 hash:
c6bafe73d265549c6a1e3acc40832b353afa3da6ed9fcfcb29a1b9a0ab295873
MD5 hash:
82c10f642acffece8950e5b00b7c95a8
SHA1 hash:
734cfec8a3d3ae46e05e1bb658e06a640efbc777
Link:
https://www.unpac.me/results/7b05450f-3e20-4423-b15d-f8c47bb4e8bb/
SH256 hash:
8f15a1ca99d06109f7c77e4a3d27cd314c6bcf953249b6a423f60ed3dd266d3e
MD5 hash:
54617254ed1d883ff42931a39d3a7ae8
SHA1 hash:
5797cc0528751408e33253ee28f338277ea057f1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7b05450f-3e20-4423-b15d-f8c47bb4e8bb/
SH256 hash:
c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088
MD5 hash:
7caf240db905f259197cf71b03acf888
SHA1 hash:
d8d9726a0a67795a01fed368055d9315feada3fd
Link:
https://www.unpac.me/results/7b05450f-3e20-4423-b15d-f8c47bb4e8bb/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8017f526793/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/c8017f526793dd8b6b6e98bfa9847fcf3aa7c4096a8432719a8324e06ba8c088

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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)

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

Comments