MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4
SHA3-384 hash: 75755383bb053685dde01e1244afc4248ccf1b903c0ce5fbf00317ea5661cedd9a80f521e97eb3c6c511ae7887af702b
SHA1 hash: bf35702407f1d0bf9a4acaaf9a443c7c1a622c4d
MD5 hash: 5c107d7624f9233c9e0fc065509db73c
humanhash: march-helium-uranus-nine
File name:PO-514711.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'149'952 bytes
First seen:2023-12-05 14:50:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:mvKtD/61IIxl9G+2hlF7FOp8m+exCDM2Rr/hzteTt3HvVd:L6KIoxlTObJx8M2Rr/hzteThv
TLSH T183351261729AAF4EE83A4BF60421D11057B5BD6D0879D20C2CC636CF77B2F126992F1B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
309
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PO-514711.exe
Verdict:
Malicious activity
Analysis date:
2023-12-05 14:54:30 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/8f1ef2a8-2ed1-4c95-97fd-a98b8032d21c

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/462645/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Win.Trojan.Ag-18
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/656f38da18cffa73b1dac32e/reports/fcd6da1e-2d28-4688-a909-925978b40b4c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ea547ae5-e911-4c57-a2e5-0a9e93c65569
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354003
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354003 Sample: PO-514711.exe Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 45 geoplugin.net 2->45 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 12 other signatures 2->57 8 PO-514711.exe 7 2->8         started        12 IcjutQJJv.exe 5 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\IcjutQJJv.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp7608.tmp, XML 8->43 dropped 59 Tries to steal Mail credentials (via file registry) 8->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Contains functionality to modify clipboard data 8->63 71 2 other signatures 8->71 14 PO-514711.exe 3 14 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        65 Multi AV Scanner detection for dropped file 12->65 67 Contains functionality to bypass UAC (CMSTPLUA) 12->67 69 Contains functionalty to change the wallpaper 12->69 73 5 other signatures 12->73 22 schtasks.exe 1 12->22         started        24 IcjutQJJv.exe 12->24         started        signatures6 process7 dnsIp8 47 198.27.121.194, 2024, 49707, 49709 OVHFR Canada 14->47 49 geoplugin.net 178.237.33.50, 49712, 80 ATOM86-ASATOM86NL Netherlands 14->49 81 Tries to harvest and steal browser information (history, passwords, etc) 14->81 83 Maps a DLL or memory area into another process 14->83 26 PO-514711.exe 14->26         started        29 PO-514711.exe 14->29         started        31 PO-514711.exe 14 14->31         started        39 2 other processes 14->39 33 conhost.exe 18->33         started        35 conhost.exe 20->35         started        37 conhost.exe 22->37         started        signatures9 process10 signatures11 75 Tries to steal Instant Messenger accounts or passwords 26->75 77 Tries to steal Mail credentials (via file / registry access) 26->77 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-05 14:51:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
48
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=72mvkfekczmgdlkhvrhrnhqh3krp6eu63mwokk4yaj7dbvafplsa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host-p collection rat spyware stealer
Link:
https://tria.ge/reports/231205-r75wwsca74/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
198.27.121.194:2024
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/3d83e842-5421-42c5-ae83-46580dffd84e/
SH256 hash:
9946ce7158b9e59b30b39b8f31d9ff6bf756582722839d300779a39550083da5
MD5 hash:
448767083916eca951cfab1963d4a466
SHA1 hash:
c566c30873281e981cebfdd40691139ed2aa1b65
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/3d83e842-5421-42c5-ae83-46580dffd84e/
Parent samples :
42a8ee6a8e2f9efccdac2959f5672d3512b63432baa50760de9f18d2ba912852
fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4
82703bb5de0f44978e23f29a593094ae3951c3a623bb40bfd54238978e3c8819
SH256 hash:
a88af02b7a551f59e6694e7ac0b9de557ab27a95dead49d17e01315a22884eaf
MD5 hash:
5ea23a2321d98a2798a3a7e18d618db4
SHA1 hash:
64e4abe132287769176eb2ff65fd86bde679a531
Link:
https://www.unpac.me/results/3d83e842-5421-42c5-ae83-46580dffd84e/
SH256 hash:
7fa6342560b497a18146dd6b9841992b18d9c077135977fe26139821058a4cd3
MD5 hash:
b4bbca1c613fcae703f1ec6fd514c496
SHA1 hash:
4145d88512331f57472fac46cf1742d97a2d1a8c
Link:
https://www.unpac.me/results/3d83e842-5421-42c5-ae83-46580dffd84e/
SH256 hash:
fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4
MD5 hash:
5c107d7624f9233c9e0fc065509db73c
SHA1 hash:
bf35702407f1d0bf9a4acaaf9a443c7c1a622c4d
Link:
https://www.unpac.me/results/3d83e842-5421-42c5-ae83-46580dffd84e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fe9955148a16/report/overview.html
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/fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
Create hunting rule
Author:malware-lu
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.

Malspam

RemcosRAT

Executable exe fe9955148a165861ad47ac4f169e07daa2ff129edb2ce52b98027e30d4057ae4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/462645/

Comments