MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568
SHA3-384 hash: b0ee64234cad7681ac6e2eb0d49c3c274a8fa57b75ef0ca442d972f4a99feceafd84dcc3f06bcb53cd1a3a5f38a3c2bc
SHA1 hash: a13160a24bc26426f6d9a36d1742eadcde13735a
MD5 hash: 6e0cec33dbf93f5671f120f2401134ef
humanhash: fanta-cold-mexico-green
File name:SecuriteInfo.com.Win32.PWSX-gen.20143.25935
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:922'624 bytes
First seen:2023-11-20 04:19:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:EOY7GicD/ZiGALsAwAPSjznUBEqzQ9lUyG9WbU4oZ+8e:EBGJLZxALAAUUHioWhoZ+
TLSH T1FD1523A0B95C8BABCA8E25F131B2640303F6B39DBC13DA8D9DC655E4CDF6F451542A23
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) (4505/5/1)
File icon (PE):PE icon
dhash icon c4c6dcccecf8b4b8 (12 x AgentTesla, 3 x Formbook, 2 x RemcosRAT)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
383
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.20143.25935
Verdict:
Malicious activity
Analysis date:
2023-11-20 04:21:56 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2cc07353-0c19-400e-8784-5df63c13e0db

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/459198/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.20143.25935.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568
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/ed3dfce0-94eb-41b8-b184-e4427b530132
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/1344916
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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: 1344916 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 54 geoplugin.net 2->54 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 12 other signatures 2->70 9 SecuriteInfo.com.Win32.PWSX-gen.20143.25935.exe 7 2->9         started        13 LnbYpxtLiu.exe 5 2->13         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\LnbYpxtLiu.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\Local\...\tmp5E1C.tmp, XML 9->52 dropped 72 Tries to steal Mail credentials (via file registry) 9->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 9->74 76 Contains functionality to modify clipboard data 9->76 78 Adds a directory exclusion to Windows Defender 9->78 15 SecuriteInfo.com.Win32.PWSX-gen.20143.25935.exe 3 14 9->15         started        19 powershell.exe 23 9->19         started        21 powershell.exe 23 9->21         started        29 2 other processes 9->29 80 Antivirus detection for dropped file 13->80 82 Multi AV Scanner detection for dropped file 13->82 84 Contains functionality to bypass UAC (CMSTPLUA) 13->84 86 7 other signatures 13->86 23 schtasks.exe 13->23         started        25 LnbYpxtLiu.exe 13->25         started        27 LnbYpxtLiu.exe 13->27         started        signatures6 process7 dnsIp8 56 91.92.254.87, 1606, 49709, 49711 THEZONEBG Bulgaria 15->56 58 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 62 Maps a DLL or memory area into another process 15->62 31 SecuriteInfo.com.Win32.PWSX-gen.20143.25935.exe 15->31         started        34 SecuriteInfo.com.Win32.PWSX-gen.20143.25935.exe 15->34         started        36 SecuriteInfo.com.Win32.PWSX-gen.20143.25935.exe 15->36         started        38 conhost.exe 15->38         started        40 conhost.exe 19->40         started        42 conhost.exe 21->42         started        44 conhost.exe 23->44         started        46 conhost.exe 29->46         started        signatures9 process10 signatures11 88 Tries to steal Instant Messenger accounts or passwords 31->88 90 Tries to steal Mail credentials (via file / registry access) 31->90 92 Tries to harvest and steal browser information (history, passwords, etc) 34->92 48 WerFault.exe 36->48         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 03:58:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqnxwzhsuhvyvssdtsneymcksd52jdcby6drcs4kz3lmgebkkvua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:admin collection rat spyware stealer
Link:
https://tria.ge/reports/231120-ex384adg44/
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:
91.92.254.87:1606
Unpacked files
SH256 hash:
aa1f792d8ef9e89606f28d442ee1fef47a8c91e93dd2b205698f99cbe74b0daf
MD5 hash:
b146bee353578f72285bc283b947f648
SHA1 hash:
f28247f3044c31acb1c748496a7c4ae32f48b251
Link:
https://www.unpac.me/results/9cac9a6d-ca81-49fb-b954-32b764bf12d1/
SH256 hash:
458b59720d8ff44289a5eb54c2bd4d4d9f773c6c8d1d19355d8140dea489f459
MD5 hash:
5c60d4e59153ccd5b8da1cc0d4b21dd7
SHA1 hash:
e0173d9582f63249791c504e69e4f4725b956285
Link:
https://www.unpac.me/results/9cac9a6d-ca81-49fb-b954-32b764bf12d1/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/9cac9a6d-ca81-49fb-b954-32b764bf12d1/
SH256 hash:
01f38bb4dc7f1787a239efdc7352a89b75c963bcb8227c347654879108330b9f
MD5 hash:
b1a6cdf7a2dd47e5972db92038455bcf
SHA1 hash:
b81f5c89e596726159a6b8f9915980466eeeedd6
Link:
https://www.unpac.me/results/9cac9a6d-ca81-49fb-b954-32b764bf12d1/
SH256 hash:
741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568
MD5 hash:
6e0cec33dbf93f5671f120f2401134ef
SHA1 hash:
a13160a24bc26426f6d9a36d1742eadcde13735a
Link:
https://www.unpac.me/results/9cac9a6d-ca81-49fb-b954-32b764bf12d1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/741b7b64f2a1/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/741b7b64f2a1eb8aca439c9a4c304a90fba48c41c787114b8aced6c3102a5568

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.

Cape
Cape
https://www.capesandbox.com/analysis/459198/

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