MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a
SHA3-384 hash: 54dd605bfd8d3a69c12e8e50e680a6f01f88d4aef6655f6c867c0d2a8c1d6624873935436ea6c73d2b5317ece5632534
SHA1 hash: d77264290d60241ff93f1fbfa0dfe8a5acb25321
MD5 hash: d3809e93405b762ecc8302d6e95fc51f
humanhash: failed-beryllium-oscar-chicken
File name:d3809e93405b762ecc8302d6e95fc51f
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:814'080 bytes
First seen:2022-09-13 18:46:48 UTC
Last seen:2022-09-13 20:51:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:8qb6AbGEYqXv9qVTAO+kstd+eo80+PycTEElEygu/C:HGdqDO+kstd+z+6cTVg
TLSH T1FD054A203BD4DA37E2EEA7B1A071451447F8E449EA29F79F09C4A5B51CB3B124E0636F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 1c80014c4c5e8014 (10 x AgentTesla, 2 x RemcosRAT, 2 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
385
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/309846/
Detection(s):
SecuriteInfo.com.MSIL.Agent.NGB.tr.dldr.17426.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6320d0bf6da26524a13ca19b/reports/67eb2932-df8f-4965-aa12-42cf33ae9154/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cefcdcc6-6e1c-42a0-a19a-1582531f7152
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1069768
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 702301 Sample: JLRh0dEe2k.exe Startdate: 13/09/2022 Architecture: WINDOWS Score: 100 39 Multi AV Scanner detection for domain / URL 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 7 other signatures 2->45 9 JLRh0dEe2k.exe 15 3 2->9         started        14 OpenWith.exe 2->14         started        16 OpenWith.exe 2->16         started        process3 dnsIp4 33 81.161.229.110, 49724, 80 CMCSUS Germany 9->33 35 cdn.discordapp.com 162.159.133.233, 443, 49723 CLOUDFLARENETUS United States 9->35 37 192.168.2.1 unknown unknown 9->37 31 C:\Users\user\AppData\...\JLRh0dEe2k.exe.log, ASCII 9->31 dropped 47 Writes to foreign memory regions 9->47 49 Allocates memory in foreign processes 9->49 51 Injects a PE file into a foreign processes 9->51 18 RegAsm.exe 4 4 9->18         started        file5 signatures6 process7 file8 29 C:\Users\user\AppData\Roaming\...\sys32.file, PE32 18->29 dropped 21 wscript.exe 1 18->21         started        process9 process10 23 cmd.exe 1 21->23         started        process11 25 sys32.file 2 23->25         started        27 conhost.exe 23->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-09-13 18:47:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
12 of 26 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=chevwvmb2u27miy7cv6cymzdptskxo4k2zhhgplu4lbwv2ilye5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:chrome_setup persistence rat
Link:
https://tria.ge/reports/220913-xe8pzagdc6/
Behaviour
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
109.70.144.79:2525
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b9083a2-9523-4d22-8b1e-96d2b7ebabec
Unpacked files
SH256 hash:
11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a
MD5 hash:
d3809e93405b762ecc8302d6e95fc51f
SHA1 hash:
d77264290d60241ff93f1fbfa0dfe8a5acb25321
Link:
https://www.unpac.me/results/857eec6a-eea2-41e1-acc4-7ac2c651b492/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a

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:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 11c95b5581d535f6231f157c2c33237ce4abbb8ad64e733d74e2c36ae90bc13a

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2301827/
Cape
Cape
https://www.capesandbox.com/analysis/309846/

Comments


Avatar
zbet commented on 2022-09-13 18:46:49 UTC

url : hxxp://81.161.229.110/htdocs/TsHAZoMaMSQgkJH.exe