MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07. 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 5 File information Comments
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SHA256 hash: f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
SHA3-384 hash: a959ee7065e1e9d6c7b524b451e880e510852bb2db7d228d43eb0f49a2b2e878113cad8dd7db32c1d2d2492e525f03a1
SHA1 hash: bcd2884bee79ffbc87b63ec96b35478232da4a05
MD5 hash: 80b1bd15b16559e4bf630c60f7819a84
humanhash: beryllium-rugby-bacon-echo
File name:f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'164'800 bytes
First seen:2025-01-10 14:32:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:8zs840f0gGLrFSxQ8Y21mwSvOIRPV/7BpgB9:8zs8C1dmQ8XmwQbPV
TLSH T12F45183D29BD222BE175C3A78BDBE427F538986F3054ADA458D343A94346A4734C327E
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
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
167
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
Verdict:
Malicious activity
Analysis date:
2025-01-10 20:20:33 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/1ccba46f-7a7f-4960-9b0b-27521068175c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Malwarex-10038470-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67812ff42c8240e189bb8a88
Tags:
agenttesla snake
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67812fb10e6ff2c757032c5d/reports/04c7543e-0344-46b7-8166-f8a79b848c06/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
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/044b84c4-7825-40b9-ac29-0a29e0c4b7d4
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1588666
Signature
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
Found malware configuration
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: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1588666 Sample: Nfi2yQDBda.exe Startdate: 11/01/2025 Architecture: WINDOWS Score: 100 44 decmainserver.webredirect.org 2->44 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 9 other signatures 2->54 8 xjXWSRbLn.exe 5 2->8         started        11 Nfi2yQDBda.exe 7 2->11         started        signatures3 process4 file5 58 Multi AV Scanner detection for dropped file 8->58 60 Contains functionalty to change the wallpaper 8->60 62 Machine Learning detection for dropped file 8->62 70 4 other signatures 8->70 14 schtasks.exe 1 8->14         started        16 xjXWSRbLn.exe 8->16         started        18 xjXWSRbLn.exe 8->18         started        36 C:\Users\user\AppData\Roaming\xjXWSRbLn.exe, PE32 11->36 dropped 38 C:\Users\...\xjXWSRbLn.exe:Zone.Identifier, ASCII 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmpB4A4.tmp, XML 11->40 dropped 42 C:\Users\user\AppData\...42fi2yQDBda.exe.log, ASCII 11->42 dropped 64 Uses schtasks.exe or at.exe to add and modify task schedules 11->64 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 20 powershell.exe 23 11->20         started        23 Nfi2yQDBda.exe 2 11->23         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 28 conhost.exe 14->28         started        56 Loading BitLocker PowerShell Module 20->56 30 WmiPrvSE.exe 20->30         started        32 conhost.exe 20->32         started        46 decmainserver.webredirect.org 69.174.98.48, 45682, 49702, 49836 ASN-QUADRANET-GLOBALUS United States 23->46 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
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Status:
Malicious
First seen:
2024-12-04 15:46:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:hdyebf discovery execution rat
Link:
https://tria.ge/reports/250110-rwv8baxjdv/
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:
decmainserver.webredirect.org:45682
Verdict:
Malicious
Tags:
Win.Packed.Malwarex-10038470-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7f7f0add-c210-4f3c-ad3b-d3ccd4021e36
Unpacked files
SH256 hash:
9e2bd3ad277e55a24ff7ea0c0614f9de574b183a21f7bbf8b3cef80bd48bfebd
MD5 hash:
3b892929cdaee289f3df9b7c0616563a
SHA1 hash:
7168bf97787249f2658be66d2fc6d03885147708
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/7ecafa1e-0c51-4fc6-ba53-e56c5b46cc5b/
SH256 hash:
927dccd801f3dffb9cd523e51aa38da8ab4dad8cd3df8efbc13103796291dccf
MD5 hash:
3b3b6a23831a8bb040cbf6050feec860
SHA1 hash:
567a7aca5a14ecc035bb6b3bbae1bda0286e86ba
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/7ecafa1e-0c51-4fc6-ba53-e56c5b46cc5b/
Parent samples :
0b2b9a03881b2a49d79df2c6a19d12cf076a031080698b8c4bce87bb8252b277
f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
927dccd801f3dffb9cd523e51aa38da8ab4dad8cd3df8efbc13103796291dccf
0d0cc505a458e4983da79246c321dfda6edc4d9b1f14e902ac13788a27c53afa
SH256 hash:
9509106a0e53b62144f9fa286161a9f9932f443ae8b937ccea4907c41d9cfff4
MD5 hash:
e7ba85c2a3a8aaa57eb7004a32e71319
SHA1 hash:
52f74e51aed43ea6b588bb81256a555e2f308b0e
Link:
https://www.unpac.me/results/7ecafa1e-0c51-4fc6-ba53-e56c5b46cc5b/
SH256 hash:
f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07
MD5 hash:
80b1bd15b16559e4bf630c60f7819a84
SHA1 hash:
bcd2884bee79ffbc87b63ec96b35478232da4a05
Link:
https://www.unpac.me/results/7ecafa1e-0c51-4fc6-ba53-e56c5b46cc5b/
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/f9b5a6befe0272cfa6fe717ac29a61d76bd340d1c564e179cb65975ac98b1f07

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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: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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