MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf
SHA3-384 hash: b2ac0b451318d122db28a2e3bb9f9e92118d7a1e1c92c0ed5ba7750ea346b201353c750836b46ea57e4c76cdf25a4d48
SHA1 hash: 4bc31c902a4edc434d53afac8dac5ccf0cea447d
MD5 hash: 2a2c8b50c3774bca1ceabe117b2c969f
humanhash: speaker-river-colorado-kilo
File name:Order no 2.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:343'552 bytes
First seen:2021-01-15 15:49:33 UTC
Last seen:2021-01-15 17:51:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 375074facb4538d8601767b5ab845277 (2 x AgentTesla, 2 x RemcosRAT, 2 x Formbook)
ssdeep 3072:wq0PbolfYpmRZtBhgB6vVxVDvjXF9+K5cik8btn803oyUUWBsTCEwZ9hNtl:/0wXZtBCB6v/FjX6Fmtn804yPCEw3ftl
Threatray 1'394 similar samples on MalwareBazaar
TLSH 1C74A3DE02F1105FE11946B4A999EFE01961ECB87F52C616BD40FCCEBE723E154622E2
Reporter abuse_ch
Tags:exe Hostwinds RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: hwsrv-825280.hostwindsdns.com
Sending IP: 192.236.192.247
From: info@exporteria.com
Subject: Price Quotation Request
Attachment: Order no 2.rar (contains "Order no 2.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Order no 2.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 16:11:23 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/113c535c-c187-418e-8a4d-23ca2ac0f542

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/112239/
Detection(s):
SecuriteInfo.com.Variant.Strictor.254562.13613.21926.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a file
Creating a process with a hidden window
Launching a process
Enabling autorun by creating a file
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/582620
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionalty to change the wallpaper
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Drops executables to the windows directory (C:\Windows) and starts them
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Svchost Process
Writes many files with high entropy
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 340351 Sample: Order no 2.exe Startdate: 15/01/2021 Architecture: WINDOWS Score: 100 74 Malicious sample detected (through community Yara rule) 2->74 76 Antivirus detection for dropped file 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 80 14 other signatures 2->80 9 Order no 2.exe 5 8 2->9         started        13 filessystem32.exe 2 2->13         started        15 filessystem32.exe 3 2->15         started        17 filessystem32.exe 2->17         started        process3 file4 58 C:\Windows\SysWOW64\...\filessystem32.exe, PE32 9->58 dropped 60 C:\Users\user\AppData\...\filecore64.exe, PE32 9->60 dropped 62 C:\...\filessystem32.exe:Zone.Identifier, ASCII 9->62 dropped 82 Creates an autostart registry key pointing to binary in C:\Windows 9->82 19 wscript.exe 1 9->19         started        21 conhost.exe 9->21         started        29 2 other processes 9->29 84 Drops executables to the windows directory (C:\Windows) and starts them 13->84 23 filessystem32.exe 3 13->23         started        25 conhost.exe 13->25         started        31 2 other processes 13->31 27 conhost.exe 15->27         started        33 2 other processes 15->33 35 3 other processes 17->35 signatures5 process6 process7 37 cmd.exe 1 19->37         started        39 cmd.exe 23->39         started        41 cmd.exe 23->41         started        process8 43 filessystem32.exe 5 300 37->43         started        48 conhost.exe 37->48         started        dnsIp9 72 185.140.53.136, 1818, 42866, 49733 DAVID_CRAIGGG Sweden 43->72 64 C:\Users\user\...\time_20210116_182341.dat, data 43->64 dropped 66 C:\Users\user\...\time_20210116_181311.dat, data 43->66 dropped 68 C:\Users\user\...\time_20210116_180231.dat, data 43->68 dropped 70 143 other malicious files 43->70 dropped 86 Antivirus detection for dropped file 43->86 88 Multi AV Scanner detection for dropped file 43->88 90 Contains functionalty to change the wallpaper 43->90 92 7 other signatures 43->92 50 cmd.exe 1 43->50         started        52 cmd.exe 1 43->52         started        54 svchost.exe 1 43->54         started        56 2 other processes 43->56 file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf/
Threat name:
Win32.Trojan.Strictor
Create hunting rule
Status:
Malicious
First seen:
2021-01-15 14:23:15 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jebtgpckzikqcmlnml5nx3shb65hacyrui73zw6binp7dnz7pkxq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
00b65900131d5d5cac9d48c65ff2e53677418d7c50f0c09480af43e80845bef3
RemcosRAT
10651ea0a48a7ef20842899c2dbd0f97199d342f0c6e4a70d6c66d8d6d320047
RemcosRAT
20cc3f25b59d83cbfd3f6908726114e8b0442907fabfc58da5f1eee4ae2ece81
RemcosRAT
4c73230621e55c51c6e4a32e354dca5e8fd3aaaa2df450b73991e6e21257a742
RemcosRAT
5fdecb2c511ec2b584766991bc2126ae802ed2618a80a227046df5379f12e745
RemcosRAT
6a9beed2218eb04e929a87b8e1e1fb1f5d3197136c96b434e82f9dd62e71233c
RemcosRAT
aea8b826c919840c0757bde7e31b915fda0439bd28b10418479aa17c53f91e12
RemcosRAT
b67361c9d7c2bcbe7e94b698f4d5abd1e6ffd96429d2c66dcfd92a573303e4f0
RemcosRAT
bfe8692e2e6e89e7d77482f315a22b3679e511e50eab20ba852cabc06dc4e5fa
RemcosRAT
fe719ecb5f04ed964bd5fdecc2085bdb1518358c65d12462fcddb66a6015740d
RemcosRAT
+ 1'384 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210115-8dzd3lkmqs/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
Drops file in System32 directory
Adds Run key to start application
Executes dropped EXE
Remcos
Unpacked files
SH256 hash:
4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf
MD5 hash:
2a2c8b50c3774bca1ceabe117b2c969f
SHA1 hash:
4bc31c902a4edc434d53afac8dac5ccf0cea447d
Link:
https://www.unpac.me/results/8bf3b02b-c8cf-4a26-8d46-aa9ea505efc2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf

File information

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

Malspam

RemcosRAT

rar 72d49ddcb1d28ca64ae0ac6e3cb9efd661df0bf4b5613df32f2c51bde727b935

RemcosRAT

Executable exe 4903333c4aca1501316d62fadbee470fba700b11a23fbcdbc1435ff1b73f7aaf

(this sample)

  
Dropped by
MD5 21f852ae912befd4084cc9c82cb6a3a0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 72d49ddcb1d28ca64ae0ac6e3cb9efd661df0bf4b5613df32f2c51bde727b935
Cape
Cape
https://www.capesandbox.com/analysis/112239/

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