MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36. 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: 14


Intelligence 14 IOCs YARA 12 File information Comments

SHA256 hash: bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36
SHA3-384 hash: 668edecf1996bc6214410f45842ae62d87c36b11d32039685bc6d30153b9affddd57886ebf48cdd11aa56e6435d97c15
SHA1 hash: a167a022d5caf8fcd578bb1de50a1dab2e670548
MD5 hash: 8a7a6157262732d60b4eb629542d807b
humanhash: aspen-apart-nine-timing
File name:SecuriteInfo.com.Win32.PWSX-gen.29605.11304
Download: download sample
Signature RemcosRAT
File size:1'300'992 bytes
First seen:2022-10-11 03:41:05 UTC
Last seen:2022-10-11 08:06:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:Qv6m3189kZa/TSl3UJG0LpNhc20hobY5D11WQmFFPEAtQy4A:bU186gmlk80LpNhwobY5h1WQmFFP9X
Threatray 3'748 similar samples on MalwareBazaar
TLSH T18855BD7E16994607E8183274C883E2F32AFBAD606061D1CB1AD72F6FBC552BF9513346
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9aa298d4d4b8a29a (18 x SnakeKeylogger, 10 x Formbook, 5 x Loki)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
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 submitted file
Sample uses process hollowing technique
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
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720150 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Yara detected AntiVM3 2->46 48 7 other signatures 2->48 8 SecuriteInfo.com.Win32.PWSX-gen.29605.11304.exe 3 2->8         started        process3 file4 28 SecuriteInfo.com.W...29605.11304.exe.log, ASCII 8->28 dropped 50 Injects a PE file into a foreign processes 8->50 12 SecuriteInfo.com.Win32.PWSX-gen.29605.11304.exe 2 14 8->12         started        signatures5 process6 dnsIp7 32 188.72.124.143, 2295, 49695, 49696 M247GB Netherlands 12->32 34 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 12->34 52 Maps a DLL or memory area into another process 12->52 54 Sample uses process hollowing technique 12->54 16 SecuriteInfo.com.Win32.PWSX-gen.29605.11304.exe 1 12->16         started        19 SecuriteInfo.com.Win32.PWSX-gen.29605.11304.exe 1 12->19         started        21 SecuriteInfo.com.Win32.PWSX-gen.29605.11304.exe 1 12->21         started        23 31 other processes 12->23 signatures8 process9 dnsIp10 36 Tries to steal Instant Messenger accounts or passwords 16->36 38 Tries to steal Mail credentials (via file / registry access) 16->38 30 192.168.2.1 unknown unknown 23->30 40 Tries to harvest and steal browser information (history, passwords, etc) 23->40 26 WerFault.exe 23->26         started        signatures11 process12
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-10-11 00:27:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
188.72.124.143:2295
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
af7ac1171b44c9a949ad80bfaf05095048d0b74cfb527f66479e22f47d340110
MD5 hash:
f696dc0e00cb8f70799ac3fcaa5f9f6a
SHA1 hash:
cde2283de5b89639ea52f6388feef8f77efc63ce
SH256 hash:
12026be3b3158566fd40414e6aca863fe8e87579ce888e873451aad5e397d523
MD5 hash:
4aa5144c616225bdb1915c13b1660593
SHA1 hash:
a61f0cec8a4d9cdf6ca6653ee963d7842a25b9b7
SH256 hash:
39a2c3fb065640ebba9fc3f31dd6ecdb876653053df1b731a45f0f92c4dd36f9
MD5 hash:
c2f11fd55fde7d9029887eb92d82ec9f
SHA1 hash:
91bae353439c3c837924a98b156275f67186737d
Detections:
win_remcos_auto
SH256 hash:
e325d1f50b8017d11cd7978a693801ae67282ec9dba9a55e58f24c548ba01cb8
MD5 hash:
3cf33b8e39eccf3cc50dfe6c1d95d680
SHA1 hash:
5892474e5fa35226396d01444b91a6a842de82ff
SH256 hash:
edadc813f4440ada276da601d8f31780e5e138b8ee392e3f49a509322a1fb51e
MD5 hash:
574597554c69083c1af2b742a97a92b6
SHA1 hash:
043eea660b8650c5a0042f842fd8db3516d37a2c
SH256 hash:
bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36
MD5 hash:
8a7a6157262732d60b4eb629542d807b
SHA1 hash:
a167a022d5caf8fcd578bb1de50a1dab2e670548
Please note that we are no longer able to provide a coverage score for Virus Total.

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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

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