MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: 655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
SHA3-384 hash: 215136e2267b5622953773907cb138ce9af5cf54e210bbaebbde5e1a59432603c48a173e211bb9524aa450774e6d19eb
SHA1 hash: 44af74253f9fc3d50167e26919a361b4e51e50cf
MD5 hash: 63fee4024d78eb5a40048322b480fda6
humanhash: delaware-one-fix-emma
File name:P.O.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:978'432 bytes
First seen:2024-02-19 10:03:54 UTC
Last seen:2024-02-19 11:24:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:6SmP0Y748Efdbsm8zosTXsmabDmEx+vYJck/NwTicl:6dp74jwBlXKDmEYvAKiS
TLSH T12F25230523B89B56E9B84FF845E6A05187B3B05A2472D3499ECFB0D94F87F418E24BC7
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c.exe
Verdict:
Malicious activity
Analysis date:
2024-02-19 10:11:05 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/3f35ae14-e608-4d78-bbed-bbe089e6650f

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/476753/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65d3279526f1ddc579a053fb/reports/8ca5162f-2aec-4ddc-b276-8734e15e83e8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eb239dba-ac52-4718-ad85-e449c7bbde5e
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1394438
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 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
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
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
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1394438 Sample: P.O.exe Startdate: 19/02/2024 Architecture: WINDOWS Score: 100 74 geoplugin.net 2->74 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 13 other signatures 2->86 10 P.O.exe 7 2->10         started        14 DDJEjhbm.exe 5 2->14         started        16 remcos.exe 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 70 C:\Users\user\AppData\Roaming\DDJEjhbm.exe, PE32 10->70 dropped 72 C:\Users\user\AppData\Local\...\tmp4EDF.tmp, XML 10->72 dropped 98 Contains functionality to bypass UAC (CMSTPLUA) 10->98 100 Contains functionalty to change the wallpaper 10->100 102 Contains functionality to steal Chrome passwords or cookies 10->102 110 5 other signatures 10->110 20 P.O.exe 2 4 10->20         started        24 powershell.exe 23 10->24         started        26 schtasks.exe 1 10->26         started        28 P.O.exe 10->28         started        104 Multi AV Scanner detection for dropped file 14->104 106 Machine Learning detection for dropped file 14->106 108 Injects a PE file into a foreign processes 14->108 30 schtasks.exe 14->30         started        32 DDJEjhbm.exe 14->32         started        36 3 other processes 16->36 34 schtasks.exe 18->34         started        38 3 other processes 18->38 signatures6 process7 file8 68 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 20->68 dropped 88 Creates autostart registry keys with suspicious names 20->88 40 remcos.exe 5 20->40         started        43 conhost.exe 24->43         started        45 conhost.exe 26->45         started        47 conhost.exe 30->47         started        49 conhost.exe 34->49         started        51 conhost.exe 36->51         started        53 conhost.exe 38->53         started        signatures9 process10 signatures11 90 Multi AV Scanner detection for dropped file 40->90 92 Machine Learning detection for dropped file 40->92 94 Adds a directory exclusion to Windows Defender 40->94 96 Injects a PE file into a foreign processes 40->96 55 remcos.exe 40->55         started        58 powershell.exe 40->58         started        60 schtasks.exe 40->60         started        process12 dnsIp13 76 185.222.58.40, 1990, 49704 ROOTLAYERNETNL Netherlands 55->76 78 geoplugin.net 178.237.33.50, 49706, 80 ATOM86-ASATOM86NL Netherlands 55->78 62 conhost.exe 55->62         started        64 conhost.exe 58->64         started        66 conhost.exe 60->66         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c/
Threat name:
ByteCode-MSIL.Trojan.FormBook
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Status:
Malicious
First seen:
2024-02-19 10:04:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvpvgjopigngsdb6dufyx7lxqfk5arekfwaahlnf4nxwhoesej6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/240219-l3xrtsce42/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
185.222.58.40:1990
Unpacked files
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/1f2ab69b-e79d-4acb-86f5-fa2cb6c76746/
SH256 hash:
ad899b5193b0ee11970abb862064a5c4fc43bf9f7e8e4f1d83a864862d7cd525
MD5 hash:
82891bbeafb8b8600448874de5b8ffb5
SHA1 hash:
cf45a438908970054982f67f7f5ea767633527b6
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
Link:
https://www.unpac.me/results/1f2ab69b-e79d-4acb-86f5-fa2cb6c76746/
Parent samples :
655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
692e461a929906ce19eaa7f3f7b2d46791d6ae3c5b9beb42ca76d28303f4d650
e8f97821125b6b3f9c081a6a488fdbb8f8b13141f26af1264b2058718973a0ee
SH256 hash:
c77eb247bca8489241dcc47df6f56ffa7ef699660c30c5952c884ee254ddd292
MD5 hash:
ca1a30a707911ada33a5984fa9468c7b
SHA1 hash:
bd0a375495269a6c534744cc10bae53b4a49c186
Link:
https://www.unpac.me/results/1f2ab69b-e79d-4acb-86f5-fa2cb6c76746/
SH256 hash:
06e657f27dec7d4238de33bccffe2afe0ddeb0db34b1b67c9824784dc4c2ab0b
MD5 hash:
4e889cbaa7a03d4d3c31d6ef203ad840
SHA1 hash:
7b2723a8cbfa237773b733fd59c8445ea9e3356b
Link:
https://www.unpac.me/results/1f2ab69b-e79d-4acb-86f5-fa2cb6c76746/
SH256 hash:
655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c
MD5 hash:
63fee4024d78eb5a40048322b480fda6
SHA1 hash:
44af74253f9fc3d50167e26919a361b4e51e50cf
Link:
https://www.unpac.me/results/1f2ab69b-e79d-4acb-86f5-fa2cb6c76746/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/655f5325cf41/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/655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 655f5325cf419a690c3e1d0b8bfd778155d0448a2d8003ada5e36f63b892227c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476753/

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