MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ffe50433de812e2f90c1b5b6faca648ec30862c8102ab8c3c6445281ebc8a07. 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: 7


Intelligence 7 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ffe50433de812e2f90c1b5b6faca648ec30862c8102ab8c3c6445281ebc8a07
SHA3-384 hash: 93304fe0756a8057c48b2478227edc4717531bc69d6d194cf92903aa850f977c54b65c178291808f4f9af920adfca19b
SHA1 hash: 66235a1bf8cab17d31e650613851c15425943b50
MD5 hash: b0c6368fb892e87132504695169245d0
humanhash: five-neptune-spring-bravo
File name:b0c6368fb892e87132504695169245d0.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:86'016 bytes
First seen:2021-05-26 10:20:55 UTC
Last seen:2021-05-26 10:48:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 534501dd9ce577814935581296a7adca (4 x GuLoader, 4 x RemcosRAT)
ssdeep 768:/xQ7Edzooimo5FSc0914v7tdWyv9cGmo2C5pZ15IRJ6syX6a0CIXzDCLcBfGv+N:27ofdo5011ol7DI3XvlGy
Threatray 1'633 similar samples on MalwareBazaar
TLSH 6A836B747A51A77DE2900BB41E3781BC6A753C3D3AE17C01E74B62282EFBC45A64A713
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0c6368fb892e87132504695169245d0.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 11:47:08 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/52d1c96a-f5ea-4070-b15d-7d915c55048e

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/162339/
Detection(s):
SecuriteInfo.com.__vbaHresultCheckObj.21245.28274.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
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/f13c9410-1a8e-42b5-864e-8d179ebbac00
Result
Threat name:
GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792434
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Detected RDTSC dummy instruction sequence (likely for instruction hammering)
Found malware configuration
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: WScript or CScript Dropper
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected GuLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 424829 Sample: FcMJC6EWgP.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 5 other signatures 2->57 10 FcMJC6EWgP.exe 1 2->10         started        13 win.exe 1 2->13         started        15 win.exe 1 2->15         started        process3 signatures4 67 Contains functionality to detect hardware virtualization (CPUID execution measurement) 10->67 69 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 10->69 71 Tries to detect Any.run 10->71 73 Tries to detect virtualization through RDTSC time measurements 10->73 17 FcMJC6EWgP.exe 4 10 10->17         started        75 Hides threads from debuggers 13->75 22 win.exe 6 13->22         started        24 win.exe 6 15->24         started        process5 dnsIp6 45 hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu 103.232.54.82, 49748, 49750, 49752 AIMS-MY-NETAIMSDataCentreSdnBhdMY Viet Nam 17->45 39 C:\Users\user\AppData\Roaming\win.exe, PE32 17->39 dropped 41 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 17->41 dropped 43 C:\Users\user\AppData\Local\...\install.vbs, data 17->43 dropped 59 Tries to detect Any.run 17->59 61 Hides threads from debuggers 17->61 26 wscript.exe 1 17->26         started        file7 signatures8 process9 process10 28 cmd.exe 1 26->28         started        process11 30 win.exe 1 28->30         started        33 conhost.exe 28->33         started        signatures12 77 Contains functionality to detect hardware virtualization (CPUID execution measurement) 30->77 79 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 30->79 81 Tries to detect Any.run 30->81 83 2 other signatures 30->83 35 win.exe 2 7 30->35         started        process13 dnsIp14 47 hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu 35->47 49 gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu 104.250.182.36, 2177, 49751 M247GB United States 35->49 63 Tries to detect Any.run 35->63 65 Hides threads from debuggers 35->65 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8ffe50433de812e2f90c1b5b6faca648ec30862c8102ab8c3c6445281ebc8a07/
Threat name:
Win32.Trojan.Vebzenpak
Create hunting rule
Status:
Malicious
First seen:
2021-05-26 10:14:21 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r77faqz55ajof6imdnnw7lfgjdwdbbrmqebkxdb4mrcsqhv4ridq._file
Verdict:
unknown
Similar samples:
0e312eccc907155b510e531e9519ede3e44ee79a67cb5dba0f3a0c39e9a3d083
RemcosRAT
250d4d5045162c39e3c1b9d637e0188089299a04106202afdf1f4826d24e27f4
RemcosRAT
26429a83373a49db5ad7801f324d8f1ce0aafd687ee405a44cb8d6ebebf65c15
RemcosRAT
815b5f62adb35607df07859bfd1b75763bf525643e7f21d5a0f8803dd0e86be4
RemcosRAT
8653a11ee811265418a3b6f12945c585b77aea72f02b2d80f481c1100d895299
RemcosRAT
8f71fca5621ccb7ba3558cfebc17014d27923d1c73ad97ececb577fd5b937047
RemcosRAT
9e3fdcc393fc96ce693041533b4ecc9e43d57ad1bca40c99d07713dc90d39bd4
RemcosRAT
a5fb63409bbc68224d3e2be7511cc6a49fd205892813890c3a76feeabd5a5e56
RemcosRAT
a9c312936a88ac3629aa8fb5c4d6b5fe5fcad17319b825bf4b383fd807cb3f51
RemcosRAT
c63a3f86be406a11e8f7760403e407a97441753205f8cef432fd634856ca2992
RemcosRAT
+ 1'623 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos downloader persistence rat
Link:
https://tria.ge/reports/210526-8dyx7s2b9e/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks QEMU agent file
Loads dropped DLL
Executes dropped EXE
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
http://hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu/Ose_2021%20remcos_UsrkxBzfYJ78.bin
gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu:2177
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8ffe50433de812e2f90c1b5b6faca648ec30862c8102ab8c3c6445281ebc8a07

File information

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

Web download

RemcosRAT

Executable exe 8ffe50433de812e2f90c1b5b6faca648ec30862c8102ab8c3c6445281ebc8a07

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1283743/
Cape
Cape
https://www.capesandbox.com/analysis/162339/
  
URLhaus
https://urlhaus.abuse.ch/url/1285706/
  
Delivery method
Distributed via web download

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