MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc
SHA3-384 hash: 6986407efbdcd24ffcaa70dc28c1ba770ba6abe3f81481f6f8c8338fa1b32cd4325b8d19f32f9433b3f5f38ccec17cbe
SHA1 hash: 989d919493942e6da3809bf8c8c95945627797fe
MD5 hash: 62304ab9ea09befcc17d78857c685533
humanhash: four-juliet-lake-twenty
File name:SecuriteInfo.com.Win32.PWSX-gen.17695.8177
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:883'712 bytes
First seen:2023-09-25 19:36:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:RUgkR5725KtZs1L1fG+fzdX3mJwQlC6sDwhyxLU1KUT55/swI2J7Z3nFxecfSNcg:RUanF1e+bdXK1IegUbEwIoXmcB+yi1
Threatray 2'609 similar samples on MalwareBazaar
TLSH T10E15127D6C44417BC2F9C378C4E91A03F254656BB332EE56CAD71B8A1627A0379C272E
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 SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.17695.8177
Verdict:
Malicious activity
Analysis date:
2023-09-25 19:38:56 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/4d726adc-f901-4a0a-92a2-681a3f874e57

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.17695.8177.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
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed remcos
Link:
https://www.filescan.io/uploads/6511e15f935d595cf2764cb4/reports/0ce7674a-a636-4ddf-9a48-58c770c3299d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc
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/667a5bba-3ec5-4171-9f48-fe67a12a228c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1314120
Signature
.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 modify clipboard data
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
Installs a global keyboard hook
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
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1314120 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 25/09/2023 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 9 other signatures 2->50 7 afUoHw.exe 5 2->7         started        10 SecuriteInfo.com.Win32.PWSX-gen.17695.8177.exe 7 2->10         started        process3 file4 54 Multi AV Scanner detection for dropped file 7->54 56 Contains functionality to bypass UAC (CMSTPLUA) 7->56 58 Contains functionalty to change the wallpaper 7->58 66 5 other signatures 7->66 13 schtasks.exe 1 7->13         started        15 afUoHw.exe 7->15         started        38 C:\Users\user\AppData\Roaming\afUoHw.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmp1A2D.tmp, XML 10->40 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 10->60 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 17 SecuriteInfo.com.Win32.PWSX-gen.17695.8177.exe 3 2 10->17         started        22 powershell.exe 21 10->22         started        24 powershell.exe 21 10->24         started        26 2 other processes 10->26 signatures5 process6 dnsIp7 28 conhost.exe 13->28         started        42 167.114.189.33, 2404 OVHFR Canada 17->42 36 C:\ProgramData\remcos\logs.dat, data 17->36 dropped 52 Installs a global keyboard hook 17->52 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-25 18:38:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=j72uxr3r3sluaomwpfgfbxwrvf5qadb7n3x7msx6hucjonpgxtoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
455b4cd97ab95cd380baa5060f7cc787f917ddf1d03c873519b2394db4fe0302
RemcosRAT
4a23b3a3cc728ab547f5f3f5149f70242187b45aefa26c5f5663f8cbabeb2330
RemcosRAT
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
RemcosRAT
8278a87cb192844a46818c28aba0106879e1c368366fc52064d2c7943f3f197b
RemcosRAT
9103e2815438759a349705607f3be586c2129551e74cd2a875a04faab7ac43a9
RemcosRAT
b2fc36f6f4e72e2700737425abab14e4d75a190195c7cd8397cb9ae9761ec34b
RemcosRAT
bd9df3adf1e6c84fcab2206d63d2f02e3f1ce1b715c09459d21ff47c09cac2f8
RemcosRAT
+ 2'599 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/230925-ybsp1sba9z/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
c5e59e90be6bc0d060be2417eaf935f9543ef0b0cbf118745b7072bd2f998f0c
MD5 hash:
a53c5b131ec157e7f07f45ee60ef98c7
SHA1 hash:
f1963d6ca07ee1c52a79df598ecce3ce2485b695
Link:
https://www.unpac.me/results/6b5593fd-74f1-4c88-a792-994f9942be67/
SH256 hash:
513d832b6414ca92f71ea7abb910113140519f343c8fee079825d19bec37cae6
MD5 hash:
128feef2cd97a2ee0d369655ab39f214
SHA1 hash:
90d82fff31ca1510bdc670c400faa2893c918341
Link:
https://www.unpac.me/results/6b5593fd-74f1-4c88-a792-994f9942be67/
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/6b5593fd-74f1-4c88-a792-994f9942be67/
Parent samples :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 hash:
abed99881ce1e05907653d1697ae232575d0cf067fd5cc646e2e5ee9f7337c82
MD5 hash:
491a7170bd8a7ed81d03a64ff2598bdf
SHA1 hash:
8325a5bccba80878a14032c06b78b34db808b910
Link:
https://www.unpac.me/results/6b5593fd-74f1-4c88-a792-994f9942be67/
SH256 hash:
4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc
MD5 hash:
62304ab9ea09befcc17d78857c685533
SHA1 hash:
989d919493942e6da3809bf8c8c95945627797fe
Link:
https://www.unpac.me/results/6b5593fd-74f1-4c88-a792-994f9942be67/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4ff54bc771dc/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/4ff54bc771dc97403996794c50ded1a97b000c3f6eeff64afe3d049735e6bcdc

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: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.

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