MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bb72973618ae46b0c84cc3d8f7316fd2176cd7c3dc3e085a1e627dd91c8d3bf. 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: 9


Intelligence 9 IOCs YARA File information Comments

SHA256 hash: 1bb72973618ae46b0c84cc3d8f7316fd2176cd7c3dc3e085a1e627dd91c8d3bf
SHA3-384 hash: 0a264075b626ba0e60fc66366de6d04aa182b426771fdfeb522026a7aecaeda30af4eda347042716e17d8e36810a32fb
SHA1 hash: ec79d1abf2986040eb1d71f6bafb283e777dac4e
MD5 hash: 789390d42a9747525b997cd5533066dc
humanhash: montana-jupiter-louisiana-mexico
File name:789390d42a9747525b997cd5533066dc.exe
Download: download sample
Signature RemcosRAT
File size:86'016 bytes
First seen:2021-05-26 17:55:00 UTC
Last seen:2021-05-26 19:12:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 534501dd9ce577814935581296a7adca (4 x GuLoader, 4 x RemcosRAT)
ssdeep 768:QWTGD73tkyc0914vrepH+Tk4tFH2sGwUHsNNTWZ5+oYDTW874qFs1J+UH0A+4:lTGtd11zpeTk4fH2lR6q5nwTj74ew
Threatray 1'740 similar samples on MalwareBazaar
TLSH 5083493576A0AB7CD2A107B01E7681FC59727C3C36E0785AF34F66289EF7908925A713
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
789390d42a9747525b997cd5533066dc.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 20:26:53 UTC
Tags:
trojan rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Running batch commands
Unauthorized injection to a recently created process
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.
Result
Threat name:
Remcos GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Multi AV Scanner detection for dropped file
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425188 Sample: 6NcvrNwxSh.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Detected Remcos RAT 2->55 57 5 other signatures 2->57 10 6NcvrNwxSh.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 6NcvrNwxSh.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, 49724, 49740, 49742 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 Multi AV Scanner detection for dropped file 30->77 79 Contains functionality to detect hardware virtualization (CPUID execution measurement) 30->79 81 Detected RDTSC dummy instruction sequence (likely for instruction hammering) 30->81 83 3 other signatures 30->83 35 win.exe 2 7 30->35         started        process13 dnsIp14 47 hncbeyghfsbvcuabgsbncvzgaioiuyegdbhabbbw.ydns.eu 35->47 49 gsyagvxnzmkoplbhduisbagtevcnxmzlopljdgye.ydns.eu 46.243.237.125, 2177 M247GB Netherlands 35->49 63 Tries to detect Any.run 35->63 65 Hides threads from debuggers 35->65 signatures15
Threat name:
Win32.Trojan.Vebzenpak
Status:
Malicious
First seen:
2021-05-26 15:41:18 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos downloader persistence rat
Behaviour
Modifies registry class
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.

File information


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

Web download

RemcosRAT

Executable exe 1bb72973618ae46b0c84cc3d8f7316fd2176cd7c3dc3e085a1e627dd91c8d3bf

(this sample)

  
Delivery method
Distributed via web download

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