MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460
SHA3-384 hash: 6d2895436ff5bbc792b7f241d28014b15028222ce10fc38b03944984d7d7b83ec10a03a7e0b7a0904fdf977f585161da
SHA1 hash: 5620831c28fe95fdc43a5688765f65489dca4ec6
MD5 hash: b9958280d7974182504bcdfbe56698f2
humanhash: carpet-vermont-magazine-gee
File name:b9958280d7974182504bcdfbe56698f2.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'163'776 bytes
First seen:2023-02-12 19:23:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:/HCtn9BoO/NeSQlQXD+YJH5gtOLdxKR5IIkU3XrotWbLgZ2KvEN3ZZ+7:EwKiGHWt+dm5IjULotw8r+a7
TLSH T1F235025C6CB4D711C26CC2BE86A36635E3BB7E93B486D7290D9271CA0CB43E2505CD9B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
VESTEL-20230209-54.doc
Verdict:
Malicious activity
Analysis date:
2023-02-09 10:11:09 UTC
Tags:
exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/a6c8cee0-f0e5-45ad-9557-9633a412f72b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/364585/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a220adc-3995-40b7-a574-b1a2a7842b82
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172744
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Delayed program exit found
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 805533 Sample: S8qwFcA96x.exe Startdate: 12/02/2023 Architecture: WINDOWS Score: 100 89 www.google.com 2->89 109 Malicious sample detected (through community Yara rule) 2->109 111 Multi AV Scanner detection for dropped file 2->111 113 Multi AV Scanner detection for submitted file 2->113 115 6 other signatures 2->115 11 S8qwFcA96x.exe 3 2->11         started        15 Windows Data Start.exe 2 2->15         started        17 Windows Data Start.exe 2 2->17         started        signatures3 process4 file5 87 C:\Users\user\AppData\...\S8qwFcA96x.exe.log, ASCII 11->87 dropped 125 Contains functionality to bypass UAC (CMSTPLUA) 11->125 127 Contains functionalty to change the wallpaper 11->127 129 Contains functionality to steal Chrome passwords or cookies 11->129 131 Delayed program exit found 11->131 19 S8qwFcA96x.exe 2 4 11->19         started        23 S8qwFcA96x.exe 11->23         started        25 S8qwFcA96x.exe 11->25         started        133 Injects a PE file into a foreign processes 15->133 27 Windows Data Start.exe 15->27         started        135 Drops executables to the windows directory (C:\Windows) and starts them 17->135 30 Windows Data Start.exe 17->30         started        32 Windows Data Start.exe 17->32         started        signatures6 process7 dnsIp8 83 C:\Windows\...\Windows Data Start.exe, PE32 19->83 dropped 85 C:\...\Windows Data Start.exe:Zone.Identifier, ASCII 19->85 dropped 117 Creates an autostart registry key pointing to binary in C:\Windows 19->117 34 Windows Data Start.exe 3 19->34         started        37 cmd.exe 1 19->37         started        101 zekeriyasolek44.duckdns.org 79.134.225.41, 2044, 49705, 49706 FINK-TELECOM-SERVICESCH Switzerland 27->101 119 Writes to foreign memory regions 27->119 121 Maps a DLL or memory area into another process 27->121 123 Installs a global keyboard hook 27->123 39 cmd.exe 27->39         started        41 svchost.exe 27->41         started        43 svchost.exe 27->43         started        file9 signatures10 process11 signatures12 105 Injects a PE file into a foreign processes 34->105 45 Windows Data Start.exe 2 1 34->45         started        107 Uses cmd line tools excessively to alter registry or file data 37->107 48 reg.exe 1 37->48         started        50 conhost.exe 37->50         started        52 conhost.exe 39->52         started        54 reg.exe 39->54         started        56 chrome.exe 41->56         started        59 chrome.exe 41->59         started        61 chrome.exe 43->61         started        63 chrome.exe 43->63         started        process13 dnsIp14 137 Writes to foreign memory regions 45->137 139 Maps a DLL or memory area into another process 45->139 65 cmd.exe 1 45->65         started        68 iexplore.exe 45->68         started        141 Disables UAC (registry) 48->141 97 192.168.2.1 unknown unknown 56->97 99 239.255.255.250 unknown Reserved 56->99 70 chrome.exe 56->70         started        73 chrome.exe 59->73         started        75 chrome.exe 61->75         started        77 chrome.exe 63->77         started        signatures15 process16 dnsIp17 103 Uses cmd line tools excessively to alter registry or file data 65->103 79 conhost.exe 65->79         started        81 reg.exe 1 65->81         started        91 part-0032.t-0009.fdv2-t-msedge.net 13.107.237.60, 443, 49724, 49779 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 70->91 93 part-0032.t-0009.fb-t-msedge.net 13.107.253.60, 443, 49723, 49843 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 70->93 95 9 other IPs or domains 70->95 signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-02-10 08:23:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5g464hoidks7mrdk4uwymgxjp7jbdi6m6wdunzyvjtryirl5grqa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:valentine evasion persistence rat trojan
Link:
https://tria.ge/reports/230212-x4dacsfd3z/
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
UAC bypass
Malware Config
C2 Extraction:
zekeriyasolek44.duckdns.org:2044
Unpacked files
SH256 hash:
e52486765dbe7417e58da6855d24bcba5ce72cca3611147c9a1f7eecde14425a
MD5 hash:
e1923e7eca34835bcab357f3c06faf11
SHA1 hash:
d014c1b81751ea3b54e4dc63d2c56b9e8bb76844
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
Parent samples :
e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460
10e7d385a77db70e2905f90926006e74f0a0d5b4cd205d761056d84f70276daa
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
053fd07adac9a0dca15b29b7ef24a64cdd21f9ad4dd3aadcd31c20d5f0866e27
MD5 hash:
6cf6174a3acf3297a315af2cab9f1a71
SHA1 hash:
92e3c5674feb13baf92520fe448ae77d6fba3a26
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
SH256 hash:
46cb32256dba295b72212185d3bf29e54de9f78fe32a8e43c82288285c3bf721
MD5 hash:
453d8d23d417dacecac4ad0235d2b420
SHA1 hash:
6aaffef79f32f151aef9d5c548ac9055ea6c2f35
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
SH256 hash:
f4e27f52e60e8c5a92a73f0f8833f9b7b3f6b7fd76c17d9115ee20e687d7801c
MD5 hash:
5ead39de73a7331d9c4cae86a7de4e3e
SHA1 hash:
3302049bd36db5b1df604b7a09175c2e30e7f099
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
SH256 hash:
e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460
MD5 hash:
b9958280d7974182504bcdfbe56698f2
SHA1 hash:
5620831c28fe95fdc43a5688765f65489dca4ec6
Link:
https://www.unpac.me/results/58f94150-02bd-4097-b9f6-9a3ee2cbb1b3/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460

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
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 e9b9ee1dc81aa5f6446ae52d861ae97fd211a3ccf58746e7154ce384457d3460

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/364585/

Comments