MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8fc4052fc07da469c7f33028796dceb6fb8daf1fe95d3c3c655217a8ecfdd64. 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 File information Comments

SHA256 hash: b8fc4052fc07da469c7f33028796dceb6fb8daf1fe95d3c3c655217a8ecfdd64
SHA3-384 hash: 57b94105c0f67b41dd88dc5daa2a89c8554ff68691a408ef89fd1ba809e238620bd7ff0123b7e7cb0c4bdf08bdf913ee
SHA1 hash: ef3723d98b71e33a8ef9a55c4cac61eb58df7b6a
MD5 hash: ffe08709e68083a7c93bc4bf24eae353
humanhash: delaware-white-may-december
File name:SecuriteInfo.com.Trojan.Win32.DelfInject.SMMTB.25864.29584
Download: download sample
Signature RemcosRAT
File size:1'105'408 bytes
First seen:2022-07-07 03:41:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6ab36861e060dd44fd8e4618504bc2e1 (8 x RemcosRAT, 1 x AveMariaRAT)
ssdeep 24576:J3XGzgqF/pUDHYfvBmJ7mIdJt5Ij/dUh:JmzgI0dpodUh
TLSH T14B359E22E2915A33C0271B34EDCB53675D7ABE912A28994A1BF53C0C5F38F913AF5253
TrID 46.4% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
31.5% (.EXE) Win32 Executable Borland Delphi 5 (451463/56/28)
18.3% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
0.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
0.9% (.SCR) Windows screen saver (13101/52/3)
File icon (PE):PE icon
dhash icon 33f098d2d6d8f033 (12 x RemcosRAT, 7 x DBatLoader, 6 x Formbook)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching the process to interact with network services
Launching a process
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger
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:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using ComputerDefaults
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 658564 Sample: SecuriteInfo.com.Trojan.Win... Startdate: 07/07/2022 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 4 other signatures 2->62 8 SecuriteInfo.com.Trojan.Win32.DelfInject.SMMTB.25864.exe 1 22 2->8         started        13 Tjqgdjjygq.exe 14 2->13         started        15 Tjqgdjjygq.exe 17 2->15         started        process3 dnsIp4 42 onedrive.live.com 8->42 44 hcxmqq.db.files.1drv.com 8->44 46 db-files.fe.1drv.com 8->46 32 C:\Users\Public\Libraries\Tjqgdjjygq.exe, PE32 8->32 dropped 34 C:\Users\Public\Libraries\TjqgdjjygqO.bat, ASCII 8->34 dropped 36 C:\Users\...\Tjqgdjjygq.exe:Zone.Identifier, ASCII 8->36 dropped 64 Writes to foreign memory regions 8->64 66 Allocates memory in foreign processes 8->66 68 Creates a thread in another existing process (thread injection) 8->68 17 DpiScaling.exe 2 2 8->17         started        20 cmd.exe 1 8->20         started        48 onedrive.live.com 13->48 52 2 other IPs or domains 13->52 70 Multi AV Scanner detection for dropped file 13->70 72 Injects a PE file into a foreign processes 13->72 22 logagent.exe 13->22         started        50 onedrive.live.com 15->50 54 2 other IPs or domains 15->54 24 DpiScaling.exe 15->24         started        file5 signatures6 process7 dnsIp8 38 dash.3utilities.com 185.191.231.249, 2404, 49784 UNREAL-SERVERSUS Netherlands 17->38 40 dash1.3utilities.com 185.176.220.74, 2404, 49791 LV-2CLOUD-ASN16LV Latvia 17->40 26 cmd.exe 1 20->26         started        28 conhost.exe 20->28         started        process9 process10 30 conhost.exe 26->30         started       
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2022-07-07 01:03:34 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost persistence rat trojan
Behaviour
Modifies system certificate store
Runs net.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
ModiLoader, DBatLoader
Malware Config
C2 Extraction:
dash.3utilities.com:2404
dash1.3utilities.com:2404
dash2.ddns.net:2404
bash.mywire.org:2404
bash1.accesscam.org:2404
dash3.ddns.net:2404
dash4.ddns.net:2404
bash2.accessscam.org:2404
Unpacked files
SH256 hash:
0b4b7d7628499c9d0c62562dc64f22baf5390cd32f71e0317c259511ae85b5b6
MD5 hash:
d6e8fb9c9383709a7475144fbc74cb44
SHA1 hash:
3dc32f98eb13d725511b64924730132883ad3591
SH256 hash:
b8fc4052fc07da469c7f33028796dceb6fb8daf1fe95d3c3c655217a8ecfdd64
MD5 hash:
ffe08709e68083a7c93bc4bf24eae353
SHA1 hash:
ef3723d98b71e33a8ef9a55c4cac61eb58df7b6a
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.

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