MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb5bbf44295f0df808a863306cff28a7237ceda45a417d90f7eaa6176b0d6047. 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 5 File information Comments

SHA256 hash: cb5bbf44295f0df808a863306cff28a7237ceda45a417d90f7eaa6176b0d6047
SHA3-384 hash: f9a74cacc0d0a29e5946dc356767bedd9e6ac628ab7c2afbdd9ec528fd919ee2ede1fdcc884f75ebf4e23db7ee39ded6
SHA1 hash: 6fc2b9e2f8824232824b280506df60c54678ea52
MD5 hash: a310de72c33230edf52821a75346e92c
humanhash: uranus-violet-timing-victor
File name:Shipping Document,pdf.exe
Download: download sample
Signature RemcosRAT
File size:708'608 bytes
First seen:2021-08-06 08:09:34 UTC
Last seen:2021-08-06 09:15:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a09d64195bff556eb90ba4781b170ac7 (4 x RemcosRAT, 2 x Formbook)
ssdeep 12288:NlyPhGe3nf8jHmf/3AwhgFn33DdzQwcApa56Q0uGPUNfXA:NAPbaHLwh2nBZ6ouFA
Threatray 396 similar samples on MalwareBazaar
TLSH T1B5E48E62F3518873D6937A7CCC0B92ACA8267F452D3966423BF93D488F7A391352614F
dhash icon 616110152b2b5130 (12 x RemcosRAT, 5 x Formbook, 4 x BitRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Shipping Document,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-06 08:12:47 UTC
Tags:
n/a

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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Connection attempt to an infection source
Creating a file in the %AppData% subdirectories
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system 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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 460602 Sample: Shipping Document,pdf.exe Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 28 june248.ddns.net 2->28 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 6 other signatures 2->56 7 Shipping Document,pdf.exe 1 19 2->7         started        12 Viqhjtv.exe 16 2->12         started        14 Viqhjtv.exe 16 2->14         started        signatures3 process4 dnsIp5 30 s2itrq.bn.files.1drv.com 7->30 32 onedrive.live.com 7->32 34 bn-files.fe.1drv.com 7->34 24 C:\Users\Public\Libraries\...\Viqhjtv.exe, PE32 7->24 dropped 58 Writes to foreign memory regions 7->58 60 Creates a thread in another existing process (thread injection) 7->60 62 Injects a PE file into a foreign processes 7->62 16 secinit.exe 2 3 7->16         started        36 s2itrq.bn.files.1drv.com 12->36 40 2 other IPs or domains 12->40 64 Machine Learning detection for dropped file 12->64 66 Allocates memory in foreign processes 12->66 20 ieinstal.exe 12->20         started        38 s2itrq.bn.files.1drv.com 14->38 42 2 other IPs or domains 14->42 22 ieinstal.exe 14->22         started        file6 signatures7 process8 dnsIp9 26 june248.ddns.net 194.5.98.7, 3759, 49726, 49727 DANILENKODE Netherlands 16->26 44 Contains functionality to steal Chrome passwords or cookies 16->44 46 Contains functionality to inject code into remote processes 16->46 48 Contains functionality to steal Firefox passwords or cookies 16->48 signatures10
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-08-06 08:10:08 UTC
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:gobal persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
june248.ddns.net:3759
Unpacked files
SH256 hash:
795b2b5d6668147d7924ac96f90741ddc2a2b5003f455fb842b613a286fbf8fc
MD5 hash:
53011b69a7231aea23d66805a681144b
SHA1 hash:
e3d0d157e763c865e79ccc5bedc2fd5fd90413f7
SH256 hash:
cb5bbf44295f0df808a863306cff28a7237ceda45a417d90f7eaa6176b0d6047
MD5 hash:
a310de72c33230edf52821a75346e92c
SHA1 hash:
6fc2b9e2f8824232824b280506df60c54678ea52
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_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.

Malspam

RemcosRAT

Executable exe cb5bbf44295f0df808a863306cff28a7237ceda45a417d90f7eaa6176b0d6047

(this sample)

  
Delivery method
Distributed via e-mail attachment

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