MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee
SHA3-384 hash: bbeb3c88431791060dfb7eece2ad4cfaa74662e8564b00646b934a0bbcfc6d9bbabd1129bea46071a50dea67d5cce4b8
SHA1 hash: 23eba4f75b7960d9edd9679515771cc8ccfe0372
MD5 hash: 7fe5f3f1d077626ddad8406b7975ed87
humanhash: butter-don-football-cup
File name:Factura_Pagada.pdf.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'058'312 bytes
First seen:2024-11-27 16:32:17 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 24576:32CGzbZCkrpm1sHsqgQYKY4agvoR5ORGIemTzEp6VBw:32CGzbokNMqgQeOAKU1
Threatray 4'421 similar samples on MalwareBazaar
TLSH T1BA35024863A4D607E5B61B7055B0D3B62B767E857911E31B4BE8FCEF3C6634228063A3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:bat exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
458
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Factura_Pagada.pdf.bat
Verdict:
Malicious activity
Analysis date:
2024-11-27 16:34:04 UTC
Tags:
rat remcos remote evasion netreactor
Link:
https://app.any.run/tasks/d5dccc40-f737-4946-8829-db4d2042c0a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3130.31816.24391.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=674749c3d0583382434b8241
Tags:
micro shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected remcos vbnet
Link:
https://www.filescan.io/uploads/674749c3a04b35947e72bf17/reports/a2e8627f-69b7-4867-86cd-d126146b2f81/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bc9dd21c-4c1c-4f04-9ba6-f321c95cf4c4
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1563985
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
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
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
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1563985 Sample: Factura_Pagada.pdf.bat.exe Startdate: 27/11/2024 Architecture: WINDOWS Score: 100 46 geoplugin.net 2->46 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 15 other signatures 2->58 8 Factura_Pagada.pdf.bat.exe 7 2->8         started        12 fanBYIAxatVKe.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\...\fanBYIAxatVKe.exe, PE32 8->38 dropped 40 C:\...\fanBYIAxatVKe.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpD3EA.tmp, XML 8->42 dropped 44 C:\Users\...\Factura_Pagada.pdf.bat.exe.log, ASCII 8->44 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 Factura_Pagada.pdf.bat.exe 2 13 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Contains functionalty to change the wallpaper 12->66 68 Machine Learning detection for dropped file 12->68 70 5 other signatures 12->70 24 fanBYIAxatVKe.exe 12->24         started        26 schtasks.exe 1 12->26         started        signatures6 process7 dnsIp8 48 41.216.183.218, 49712, 56792 AS40676US South Africa 14->48 50 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 14->50 72 Detected Remcos RAT 14->72 74 Loading BitLocker PowerShell Module 18->74 28 WmiPrvSE.exe 18->28         started        30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee/
Threat name:
ByteCode-MSIL.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-11-27 01:20:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpgj6omwhapy3jypd4nqggdk5e6ystccvqk6pl7hg4hxpipvhtxa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unknown_loader_037
Create hunting rule
Similar samples:
47fef22842a3bd3769c9c78461cf85cc940167e58f96bccac4870e9acaae0159
RemcosRAT
6f19b81c0a43cadb5d5447e3dc0485c04fd400d4a0656ff4af092ab9faac7213
RemcosRAT
bac49390230b8d170af75761bf64a3e877b570bea0c9b5ba73dd54a7fab5c351
RemcosRAT
e67ae0c8bca17f912e1fdcc8dacac7e967ac9dfcfc031d944663043c99f32ea7
RemcosRAT
+ 4'411 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/241127-t2hwaaxncn/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
41.216.183.218:56792
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c8877c74-fc7d-4bc0-9782-baee0b8d3157
Unpacked files
SH256 hash:
8ed6a4ef05a179234d517615aec3b422fdd2cb34c54bfd8b9cdae2adbf5916d0
MD5 hash:
97cb77b3cb2f3220bb197d780c84c931
SHA1 hash:
fc5d833b26e01acee89fea0fc0fba73fa579dc88
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/69b91da8-1571-4c22-8473-435f3fe40ac9/
SH256 hash:
41632aafaa99960627939a26326de3045ed18511f142554f2dbccf73994d3ef3
MD5 hash:
ab996c8c41263937cc46d11eaae67c19
SHA1 hash:
63fd0c330773635acb71ffcdce599496641a931f
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/69b91da8-1571-4c22-8473-435f3fe40ac9/
SH256 hash:
072e2325dcb6bbb4cef9379a531e5d44f6c993d369ec49a0fdb916143ce6c0f5
MD5 hash:
7871f84a8067c89befc4d1d17ceb9225
SHA1 hash:
4b7dbf1edd1ddf24bbdc3e3dfa0fc820ea768caf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/69b91da8-1571-4c22-8473-435f3fe40ac9/
Parent samples :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 hash:
4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee
MD5 hash:
7fe5f3f1d077626ddad8406b7975ed87
SHA1 hash:
23eba4f75b7960d9edd9679515771cc8ccfe0372
Link:
https://www.unpac.me/results/69b91da8-1571-4c22-8473-435f3fe40ac9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bcc9f399638/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/4bcc9f3996381f8da70f1f1b03186ae93d894c42ac15e7afe7370f77a1f53cee

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:INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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