MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db
SHA3-384 hash: 4ad1d05eef82cf71a20cac548c025f56fe872964350c948e4fe75d582f508b3ac778aa031b57984fda12b3c699092ae9
SHA1 hash: c83edba8e255a453e8cb15f28616cf8962efbabf
MD5 hash: 3ca00df1352d821657691cca6dea34e3
humanhash: delta-stairway-montana-thirteen
File name:3ca00df1352d821657691cca6dea34e3.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'118'208 bytes
First seen:2023-04-06 07:25:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:/Tj1hR520o9DmkhcL7lhad5nCjQ/lwqq3Zh11:/jR9o9DmPL7lhajUQEJr
Threatray 1'786 similar samples on MalwareBazaar
TLSH T108359D521D6645D2C8B90FB444B93A440BB5AC53CFE0903E3D82797E8FFAB9B54893D2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
184.75.221.107:42940

Intelligence

File Origin
# of uploads :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Payment.Appliction.lnk
Verdict:
Malicious activity
Analysis date:
2023-04-06 06:26:53 UTC
Tags:
loader rat remcos
Link:
https://app.any.run/tasks/99b68883-4979-4bbb-8d0e-a2d48a17c3ed

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/380572/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer packed remcos
Link:
https://www.filescan.io/uploads/642e740b2254dc8912045f03/reports/2d25943f-52c0-4cfe-b547-6504846317f6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e206eef5-b4f8-45e0-a523-54e11436677b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1209464
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
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Injects a PE file into a foreign processes
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert 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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 842380 Sample: 1pdyFCcs18.exe Startdate: 06/04/2023 Architecture: WINDOWS Score: 100 56 Snort IDS alert for network traffic 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 9 other signatures 2->62 8 1pdyFCcs18.exe 7 2->8         started        12 ZmmeLFHxLLqP.exe 2 2->12         started        process3 file4 42 C:\Users\user\AppData\...\ZmmeLFHxLLqP.exe, PE32 8->42 dropped 44 C:\Users\...\ZmmeLFHxLLqP.exe:Zone.Identifier, ASCII 8->44 dropped 46 C:\Users\user\AppData\Local\...\tmp55D6.tmp, XML 8->46 dropped 48 C:\Users\user\AppData\...\1pdyFCcs18.exe.log, ASCII 8->48 dropped 70 Contains functionality to bypass UAC (CMSTPLUA) 8->70 72 Contains functionality to inject code into remote processes 8->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 8->74 80 4 other signatures 8->80 14 1pdyFCcs18.exe 3 14 8->14         started        18 powershell.exe 19 8->18         started        20 powershell.exe 19 8->20         started        22 schtasks.exe 1 8->22         started        76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 signatures5 process6 dnsIp7 52 184.75.221.107, 42940, 49708, 49709 AMANAHA-NEWCA Canada 14->52 54 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 14->54 82 Tries to harvest and steal browser information (history, passwords, etc) 14->82 84 Maps a DLL or memory area into another process 14->84 24 1pdyFCcs18.exe 1 14->24         started        27 1pdyFCcs18.exe 14->27         started        29 1pdyFCcs18.exe 14->29         started        37 19 other processes 14->37 31 conhost.exe 18->31         started        33 conhost.exe 20->33         started        35 conhost.exe 22->35         started        signatures8 process9 dnsIp10 64 Tries to steal Instant Messenger accounts or passwords 24->64 66 Tries to steal Mail credentials (via file / registry access) 24->66 50 192.168.2.1 unknown unknown 37->50 68 Tries to harvest and steal browser information (history, passwords, etc) 37->68 40 WerFault.exe 37->40         started        signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db/
Threat name:
Win32.Trojan.Pwsx
Create hunting rule
Status:
Malicious
First seen:
2023-04-06 04:17:02 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wgoaxmqkl7srmwdgmrsjkdcyftxwe3g7d5il6xdxkee2btzcm7nq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11327f3b5123a0f6325b9370d4321bddc00ef1619f6da209503ae1370b24121e
RemcosRAT
2e4c6cc30705e1398ea19d064bd7cfba58448798a81f3c89b86fa66750904a7b
RemcosRAT
38455251726a64db957d8e30e6c1dc1ca2b10c35691dadbcf3bf8172babe94e3
RemcosRAT
3d1a75579ef0717708782f63318b36e8dc0356fc477370ad9c69feac793a6a95
RemcosRAT
50ca98ba2d54858b97cbbfff758edf7f81a29a8a4884a4319ae994cb8a434de3
RemcosRAT
50e39da793e84dc45780be3dca5aed8fa300ae2aaf7708a58da92e31865f2e81
RemcosRAT
9bfac87ca7cc550553ff3db0da040499c96ff7d68c694243e07c06017da63b8b
RemcosRAT
aecb74252f3ae4e3d912c1983de70c06ac29c69b287b31e45d29fbee0ccb5772
RemcosRAT
c3653e6517e48603a356a5978cdc1b210bd20e023146fd561c611c3b82c0736c
RemcosRAT
+ 1'776 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/230406-h9hppsdh71/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
184.75.221.107:42940
Unpacked files
SH256 hash:
789fa51added434a8366b5c561ff25aa35a9736dfe8046760c74a894a8a18e48
MD5 hash:
f3f8c528fd69a8808bf0e44da9a97e4c
SHA1 hash:
beb9c8db43ae7046d1368b0483fb90dd257f784b
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
SH256 hash:
78e0191de6f7be5a66b61d6a0c3828cd6fafab3d21c622272cd04d540a1f833f
MD5 hash:
fd4e9e8e7f0fff000b458946579da85a
SHA1 hash:
9ea0c9333d812a9242378ab1425db2189b32b275
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
SH256 hash:
3c507afadbb1c31a9ebdd24baac5739d47576159e01c5e84f973c951885100aa
MD5 hash:
e79bf0e7e9d52d398e0b23b352394c68
SHA1 hash:
682325763a0ec77e0fd475ea3a4021b4651eceac
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
SH256 hash:
9ef72314baca42eb5aee3a8e799b9499c382097f87aa83e7b01d3890b501b84b
MD5 hash:
704c2ee22eea79a117e662205a1eae13
SHA1 hash:
4dd3be3ce023b4d697e7680b04f2c43f1476d2d2
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
SH256 hash:
89b1bc54b3923b2694d52ac6ef33f8f976f5284bcbf25a6520fabba61b0da39d
MD5 hash:
be1abfc2d452d7544aac4e1f2079b53d
SHA1 hash:
27031cef153fafb405c5ea21d78308bcdd1150f4
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
SH256 hash:
b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db
MD5 hash:
3ca00df1352d821657691cca6dea34e3
SHA1 hash:
c83edba8e255a453e8cb15f28616cf8962efbabf
Link:
https://www.unpac.me/results/c53e9322-8398-4f5a-8642-a1e83b78361e/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db

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: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.

Web download

RemcosRAT

Executable exe b19c0bb20a5fe51658666464950c582cef626cdf1f50bf5c775109a0cf2267db

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2599417/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/380572/

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