MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7
SHA3-384 hash: 478dce4929210e1950a6a40bcd48baeb8b1d190832b3b6209859ca6498e6be820582d07a3cc64785a29684c6bd562e91
SHA1 hash: 001d5139b42f6774ac57ad69486806db0255018e
MD5 hash: 1ddfb640584eb94a8ea68acd7fc9923c
humanhash: jersey-iowa-nitrogen-shade
File name:z1Purchaseinquiry.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:985'600 bytes
First seen:2024-01-29 18:02:27 UTC
Last seen:2024-02-05 10:29:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:uULdH/fNEOh8KsnJzzJdfGtYTMmmyBBcHA:uqltEOWlVz7fwMMgBc
TLSH T1BD25E04762164E23C395A771D5B757014712FBB2A067C74BB7C9A238581B3BA2FE2B03
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)
Reporter FXOLabs
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
283
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7.exe
Verdict:
Malicious activity
Analysis date:
2024-01-29 18:03:54 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/b457156a-0818-4338-aa77-fb89c27a4704

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/473483/
Detection(s):
Win.Trojan.EmbeddedDotNetBinary-9940868-0
Create hunting rule

Win.Trojan.EmbeddedReversedDLL-9940922-0
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Win.Trojan.Generic-10014419-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Sending a custom TCP request
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/65b7e8640eab2d1605494108/reports/709c0286-fd30-43c0-85a8-ef9e98cc3da3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7
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/8793e412-9d00-4734-85bb-3399aa1ad8bb
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1382897
Signature
.NET source code contains potential unpacker
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
Delayed program exit found
Encrypted powershell cmdline option found
Found malware configuration
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
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: 1382897 Sample: z1Purchaseinquiry.exe Startdate: 29/01/2024 Architecture: WINDOWS Score: 100 96 geoplugin.net 2->96 102 Found malware configuration 2->102 104 Malicious sample detected (through community Yara rule) 2->104 106 Antivirus detection for URL or domain 2->106 108 15 other signatures 2->108 10 Vmhful.exe 2->10         started        13 z1Purchaseinquiry.exe 1 4 2->13         started        16 Vmhful.exe 2->16         started        signatures3 process4 file5 126 Multi AV Scanner detection for dropped file 10->126 128 Contains functionality to bypass UAC (CMSTPLUA) 10->128 130 Contains functionalty to change the wallpaper 10->130 138 5 other signatures 10->138 18 cmd.exe 10->18         started        20 cmd.exe 10->20         started        22 cmd.exe 10->22         started        94 C:\Users\user\AppData\Roaming\Vmhful.exe, PE32 13->94 dropped 132 Encrypted powershell cmdline option found 13->132 134 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->134 136 Injects a PE file into a foreign processes 13->136 24 z1Purchaseinquiry.exe 3 13 13->24         started        28 cmd.exe 1 13->28         started        30 powershell.exe 23 13->30         started        32 cmd.exe 1 13->32         started        34 cmd.exe 16->34         started        36 2 other processes 16->36 signatures6 process7 dnsIp8 40 2 other processes 18->40 43 2 other processes 20->43 45 2 other processes 22->45 98 64.188.20.186, 49712, 49713, 5050 ASN-QUADRANET-GLOBALUS United States 24->98 100 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 24->100 118 Maps a DLL or memory area into another process 24->118 47 6 other processes 24->47 120 Uses ipconfig to lookup or modify the Windows network settings 28->120 49 2 other processes 28->49 122 Potential dropper URLs found in powershell memory 30->122 38 conhost.exe 30->38         started        51 2 other processes 32->51 53 2 other processes 34->53 55 4 other processes 36->55 signatures9 process10 signatures11 57 powershell.exe 40->57         started        60 cmd.exe 40->60         started        62 cmd.exe 40->62         started        74 2 other processes 40->74 110 Tries to steal Instant Messenger accounts or passwords 47->110 112 Tries to harvest and steal browser information (history, passwords, etc) 47->112 64 WerFault.exe 18 47->64         started        114 Encrypted powershell cmdline option found 53->114 116 Injects a PE file into a foreign processes 53->116 66 cmd.exe 53->66         started        68 cmd.exe 53->68         started        70 powershell.exe 53->70         started        72 Vmhful.exe 53->72         started        process12 signatures13 124 Potential dropper URLs found in powershell memory 57->124 76 conhost.exe 57->76         started        78 conhost.exe 60->78         started        80 ipconfig.exe 60->80         started        82 conhost.exe 62->82         started        84 ipconfig.exe 62->84         started        86 conhost.exe 66->86         started        88 ipconfig.exe 66->88         started        92 2 other processes 68->92 90 conhost.exe 70->90         started        process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-28 23:40:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l7t3bfipg5lzw7mabqywyhbg6crbppdznp77ranisohe27yj7w3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:zgrat botnet:dk collection persistence rat spyware stealer
Link:
https://tria.ge/reports/240129-wm1tnaffd7/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Detect ZGRat V1
Remcos
ZGRat
Malware Config
C2 Extraction:
64.188.20.186:5050
Unpacked files
SH256 hash:
5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7
MD5 hash:
1ddfb640584eb94a8ea68acd7fc9923c
SHA1 hash:
001d5139b42f6774ac57ad69486806db0255018e
Detections:
Typical_Malware_String_Transforms
Create hunting rule
Link:
https://www.unpac.me/results/6c8fe9ab-e87f-43a5-986a-9a739d73b35a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5fe7b0950f37/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information

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

Malspam

RemcosRAT

Executable exe 5fe7b0950f37579b7d800c316c1c26f0a217bc796bfff881a8938e4d7f09fdb7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473483/

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