MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ed62eff9a728c54286e8a6ed5b4bae53667496f354118a75a15a050e15a9df30. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments 1

SHA256 hash: ed62eff9a728c54286e8a6ed5b4bae53667496f354118a75a15a050e15a9df30
SHA3-384 hash: 761916943b79848d77bade147730e88be299886c3f851ddd62cda1a30c3c8c35551a004a4e5462b46d84d73a4edcf6d0
SHA1 hash: 4699cd0b655db272e207e889af12d47f0c2b2657
MD5 hash: 4c031b23f8493414d05d69785cf60ae5
humanhash: monkey-six-sodium-oklahoma
File name:4c031b23f8493414d05d69785cf60ae5
Download: download sample
Signature RemcosRAT
File size:675'840 bytes
First seen:2021-07-10 22:08:31 UTC
Last seen:2021-07-10 22:36:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:QvhfEua/pQflbdfgQz6L4dyobUzFZ5i89cy2K5:AhfE23szobUpqe5
Threatray 1'861 similar samples on MalwareBazaar
TLSH T1F4E45A38AB94C763E2728271EA7541F0F2656D53F2318D1B46873E4D363EB0269E235E
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
281
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c031b23f8493414d05d69785cf60ae5
Verdict:
Malicious activity
Analysis date:
2021-07-10 22:09:27 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Drops PE files with benign system names
Found malware configuration
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 446762 Sample: r8TvcEbBJf Startdate: 11/07/2021 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 Multi AV Scanner detection for submitted file 2->70 72 7 other signatures 2->72 9 r8TvcEbBJf.exe 3 2->9         started        13 explorer.exe 2 2->13         started        15 explorer.exe 2 2->15         started        17 explorer.exe 2 2->17         started        process3 file4 50 C:\Users\user\AppData\...\r8TvcEbBJf.exe.log, ASCII 9->50 dropped 76 Contains functionality to detect virtual machines (IN, VMware) 9->76 78 Contains functionality to steal Chrome passwords or cookies 9->78 80 Contains functionality to capture and log keystrokes 9->80 86 3 other signatures 9->86 19 r8TvcEbBJf.exe 2 5 9->19         started        82 Injects code into the Windows Explorer (explorer.exe) 13->82 84 Injects a PE file into a foreign processes 13->84 23 explorer.exe 13->23         started        25 explorer.exe 15->25         started        27 explorer.exe 17->27         started        signatures5 process6 dnsIp7 52 192.168.2.1 unknown unknown 19->52 44 C:\Users\user\AppData\...\explorer.exe, PE32 19->44 dropped 46 C:\Users\...\explorer.exe:Zone.Identifier, ASCII 19->46 dropped 48 C:\Users\user\AppData\Local\...\install.bat, ASCII 19->48 dropped 29 cmd.exe 1 19->29         started        file8 process9 signatures10 88 Uses ping.exe to sleep 29->88 90 Uses ping.exe to check the status of other devices and networks 29->90 32 explorer.exe 3 29->32         started        35 PING.EXE 1 29->35         started        38 conhost.exe 29->38         started        process11 dnsIp12 58 System process connects to network (likely due to code injection or exploit) 32->58 60 Multi AV Scanner detection for dropped file 32->60 62 Injects code into the Windows Explorer (explorer.exe) 32->62 64 Injects a PE file into a foreign processes 32->64 40 explorer.exe 32->40         started        54 127.0.0.1 unknown unknown 35->54 signatures13 process14 dnsIp15 56 dpqw-avira.bot.nu 37.0.11.114, 2404 WKD-ASIE Netherlands 40->56 74 System process connects to network (likely due to code injection or exploit) 40->74 signatures16
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-10 22:09:05 UTC
AV detection:
11 of 29 (37.93%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Behaviour
Runs ping.exe
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
dpqw-avira.bot.nu:2404
Unpacked files
SH256 hash:
708ffcab38c7b4ffe6f307ef6dc7f275ff758629006f9d2955669fdc8fd19d01
MD5 hash:
60f31602d58b938d6064c1d6bd0a83c0
SHA1 hash:
e24ffd5316237ae1a67be7b03b0c7616d52ec8d9
SH256 hash:
ed3a96630761ee25131c40b747f50fc55aa85d5e8f631f71bbfc901dd96bac13
MD5 hash:
04694be6bf4a97114fda8dec4f9b8f42
SHA1 hash:
91f4b470a65d756c32ce1967b8e5300ba70383c5
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
ed62eff9a728c54286e8a6ed5b4bae53667496f354118a75a15a050e15a9df30
MD5 hash:
4c031b23f8493414d05d69785cf60ae5
SHA1 hash:
4699cd0b655db272e207e889af12d47f0c2b2657
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 ed62eff9a728c54286e8a6ed5b4bae53667496f354118a75a15a050e15a9df30

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-07-10 22:08:32 UTC

url : hxxp://kqz.ugo.si/powerpoint.exe