MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3d62ea202f60dcb69703dcba7c59b2bf552c5ce2e951dfab0f1808af9e096a2. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: e3d62ea202f60dcb69703dcba7c59b2bf552c5ce2e951dfab0f1808af9e096a2
SHA3-384 hash: 3ed7eb18554072e5651f2ac5ff3d7cd0fe92c41f7285a5284d0a8eff4760c45b1a92f9cf6f5931cf561bc333cfdadca9
SHA1 hash: 6c3267d7077da0f11bbdc94a15984d33dc559426
MD5 hash: 7a1e8a26779ac324fc1ead935820a55a
humanhash: minnesota-eleven-virginia-iowa
File name:INVOICE_.EXE
Download: download sample
Signature RemcosRAT
File size:833'536 bytes
First seen:2021-09-09 14:11:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a6f9ce49927a1276962e131ee30a4701 (4 x AveMariaRAT, 2 x NetWire, 2 x RemcosRAT)
ssdeep 12288:GDylNhPTW3jR+9bHoraZlojpF/b8PmcuVpvC1VGEdwj:j7I3N8DoraZ6d8unzUVa
Threatray 588 similar samples on MalwareBazaar
TLSH T14C057E60B1E234FEC472177CAC2B76D98461FF70291EDD866FD8B44C1AB520128B6B9D
dhash icon acacacb6a2968eaa (13 x RemcosRAT, 4 x Formbook, 4 x AveMariaRAT)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://1drv.ms/u/s!AgxNDlLsHoLjc8J7McxARGi9YmE
Verdict:
Malicious activity
Analysis date:
2021-09-08 19:56:29 UTC
Tags:
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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Launching cmd.exe command interpreter
Creating a process from a recently created file
Launching a process
Deleting a recently created file
Setting a keyboard event handler
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 480590 Sample: INVOICE_.EXE Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 67 Malicious sample detected (through community Yara rule) 2->67 69 Detected Remcos RAT 2->69 71 Yara detected Remcos RAT 2->71 73 3 other signatures 2->73 10 INVOICE_.EXE 20 2->10         started        14 remcos.exe 14 2->14         started        16 remcos.exe 15 2->16         started        process3 dnsIp4 61 cdn.discordapp.com 162.159.130.233, 443, 49689, 49690 CLOUDFLARENETUS United States 10->61 77 Detected unpacking (changes PE section rights) 10->77 79 Contains functionality to inject code into remote processes 10->79 81 Contains functionality to steal Firefox passwords or cookies 10->81 83 Delayed program exit found 10->83 18 INVOICE_.EXE 4 5 10->18         started        21 cmd.exe 1 10->21         started        23 cmd.exe 1 10->23         started        85 Injects a PE file into a foreign processes 14->85 25 remcos.exe 14->25         started        27 remcos.exe 16->27         started        signatures5 process6 file7 55 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 18->55 dropped 57 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 18->57 dropped 29 wscript.exe 1 18->29         started        31 reg.exe 1 21->31         started        33 conhost.exe 21->33         started        35 cmd.exe 1 23->35         started        37 conhost.exe 23->37         started        process8 process9 39 cmd.exe 1 29->39         started        41 conhost.exe 31->41         started        43 conhost.exe 35->43         started        process10 45 remcos.exe 13 39->45         started        49 conhost.exe 39->49         started        dnsIp11 63 162.159.129.233, 443, 49692, 49693 CLOUDFLARENETUS United States 45->63 65 cdn.discordapp.com 45->65 87 Multi AV Scanner detection for dropped file 45->87 89 Detected unpacking (changes PE section rights) 45->89 91 Injects a PE file into a foreign processes 45->91 51 remcos.exe 45->51         started        signatures12 process13 dnsIp14 59 194.5.98.95, 4224, 49695, 49696 DANILENKODE Netherlands 51->59 75 Installs a global keyboard hook 51->75 signatures15
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-09-09 14:12:18 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:onedrive persistence rat
Behaviour
Modifies registry class
Modifies registry key
Suspicious use of SetWindowsHookEx
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:
194.5.98.95:4224
Unpacked files
SH256 hash:
cd4b225505e84218ef7418c8e5f41acbb67c51bd43e9ddcfa25341259377d3df
MD5 hash:
b7816cb3535b2f2675804d3052295003
SHA1 hash:
db4588853aa1ec16b1f2d29b1e873a653a1ecb13
SH256 hash:
e3d62ea202f60dcb69703dcba7c59b2bf552c5ce2e951dfab0f1808af9e096a2
MD5 hash:
7a1e8a26779ac324fc1ead935820a55a
SHA1 hash:
6c3267d7077da0f11bbdc94a15984d33dc559426
Malware family:
Verdict:
Malicious
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EnvVarScheduledTasks
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants

File information


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

  
Delivery method
Distributed via e-mail link

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