MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4. 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 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
SHA3-384 hash: c6b45a63c34fe4fd982af934302103f5d7db6551d493f953362a2ba73d09212d425a4ab2c927106c9ca0982a1aaa8c78
SHA1 hash: 97aa51959827b50dc442ad41831a3dff8692aacb
MD5 hash: 353a05bb1ab456fcf92a3f19b8fbf809
humanhash: lithium-coffee-hotel-emma
File name:BUGHZUDUG.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'028'096 bytes
First seen:2023-10-16 06:50:23 UTC
Last seen:2023-10-16 07:38:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DzfqBMrngLIOlYNhhppi9zLPmmetqnk7NMozhDMwamOymTC4C2KtcQCr:DT6A5OlqBMBLedtVxMwYI28A
Threatray 2'987 similar samples on MalwareBazaar
TLSH T10E250195DA948649ED395FB15073AD6093FB7D22BDB4E10D8E4C30A86BB37A70031E93
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.147.140.148:1998

Intelligence

File Origin
# of uploads :
2
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
BUGHZUDUG.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 06:53:09 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/0b5520dd-3b22-434b-be53-f085bd1eb1c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/454690/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/652cdd58c51de9263e5aefb1/reports/4b0634b3-7e5f-4eb5-a3fc-4934559a612d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d505c07f-9fbe-44b4-b836-bcb81fc0922c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1326197
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 modify clipboard data
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
Delayed program exit found
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1326197 Sample: BUGHZUDUG.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 41 geoplugin.net 2->41 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 8 sdTtsmPHcSbrNg.exe 5 2->8         started        11 BUGHZUDUG.exe 7 2->11         started        signatures3 process4 file5 57 Antivirus detection for dropped file 8->57 59 Multi AV Scanner detection for dropped file 8->59 61 Contains functionality to bypass UAC (CMSTPLUA) 8->61 67 7 other signatures 8->67 14 schtasks.exe 1 8->14         started        16 sdTtsmPHcSbrNg.exe 8->16         started        37 C:\Users\user\AppData\...\sdTtsmPHcSbrNg.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmp2D14.tmp, XML 11->39 dropped 63 Uses schtasks.exe or at.exe to add and modify task schedules 11->63 65 Adds a directory exclusion to Windows Defender 11->65 18 BUGHZUDUG.exe 2 15 11->18         started        23 powershell.exe 21 11->23         started        25 schtasks.exe 1 11->25         started        27 BUGHZUDUG.exe 11->27         started        signatures6 process7 dnsIp8 29 conhost.exe 14->29         started        43 194.147.140.148, 1998, 49744 PTPEU unknown 18->43 45 geoplugin.net 178.237.33.50, 49745, 80 ATOM86-ASATOM86NL Netherlands 18->45 35 C:\ProgramData\remcos\logs.dat, data 18->35 dropped 55 Installs a global keyboard hook 18->55 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 05:23:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kdcvwie5rgkrjebygx555wjonaftjtju4jfkzhjzdfjcyqvvipka._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1c6b0eb5c224c46a65fb5022852905a1293a148bd97bb81593b813e8ed814ba8
RemcosRAT
483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
8a7703a7a13f95e6e58aac075b70bc322355e7f683e04824c17407a1881838cf
RemcosRAT
9a00523dfd6d321adb4fffbb54a1550055dde6301dddba3a5157a4169b11d462
RemcosRAT
c14657190bec0bf6b8fd9ef47563657948aa3ea66a43e7d0224c7662f323e144
RemcosRAT
f4c3fd0e00326b94391240d6f460ef2501f5985e6e09d3e2e4728441c91417e2
RemcosRAT
+ 2'977 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:fire rat
Link:
https://tria.ge/reports/231016-hmhfesec73/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
194.147.140.148:1998
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/69a28f08-680a-4d75-b61f-b82e0709ab40/
SH256 hash:
feaaacd74fa4fa2373eb77c671cbf0fd10de1629ed7242650a002186fbdf4c1c
MD5 hash:
27496daada6dbe238e7ccdb1a6bcf716
SHA1 hash:
8471f1da8feb549933e0c4c8f6dd2781d93f99ec
Link:
https://www.unpac.me/results/69a28f08-680a-4d75-b61f-b82e0709ab40/
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
Link:
https://www.unpac.me/results/69a28f08-680a-4d75-b61f-b82e0709ab40/
SH256 hash:
c899dc37b2a909e7c23e9a9c273a4557f40676864c4138af3c6b51532fb3a309
MD5 hash:
b78e50873e9dc685dad770fc43956906
SHA1 hash:
381909173bb1dda0647982772dc7620cbd59c9e9
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/69a28f08-680a-4d75-b61f-b82e0709ab40/
Parent samples :
50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
SH256 hash:
50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
MD5 hash:
353a05bb1ab456fcf92a3f19b8fbf809
SHA1 hash:
97aa51959827b50dc442ad41831a3dff8692aacb
Link:
https://www.unpac.me/results/69a28f08-680a-4d75-b61f-b82e0709ab40/
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/50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/454690/

Comments