MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d0094638be40437e64bb472a23d920cde1751b266427028175929b3507bacf5. 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 30 File information Comments

SHA256 hash: 7d0094638be40437e64bb472a23d920cde1751b266427028175929b3507bacf5
SHA3-384 hash: 09f0666d2b0d85780b8ec61d7e0b0a8ad6911214412b90333c5ca7547607dcaba6e993ac112cbc9640364766257f74ad
SHA1 hash: 3e60bf43e6e48ff5759e47dc82b81ac47896cbb5
MD5 hash: 3dd58f75ad16b66a3c034bae89038393
humanhash: summer-jig-green-oranges
File name:fa098765456899.cmd
Download: download sample
Signature RemcosRAT
File size:1'217'024 bytes
First seen:2023-11-24 14:14:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9AtD/61sJhHKLe5MrVUgkiu1agdEO9kTu3VRQX0EN:i6SHEusuIgdHSTulRQX
Threatray 2'972 similar samples on MalwareBazaar
TLSH T13745F12D62F84F89E4BBA7F58928420547F2BE99553BE39C5DC170DB4E31B801A07B27
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 lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
329
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
fa098765456899.cmd
Verdict:
Malicious activity
Analysis date:
2023-11-24 14:16:11 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
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
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
Multi AV Scanner detection for domain / URL
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
Snort IDS alert for network traffic
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1347450 Sample: fa098765456899.cmd.exe Startdate: 24/11/2023 Architecture: WINDOWS Score: 100 41 geoplugin.net 2->41 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Found malware configuration 2->51 53 12 other signatures 2->53 8 cvdUdxjga.exe 5 2->8         started        11 fa098765456899.cmd.exe 7 2->11         started        signatures3 process4 file5 55 Antivirus detection for dropped file 8->55 57 Multi AV Scanner detection for dropped file 8->57 59 Contains functionality to bypass UAC (CMSTPLUA) 8->59 67 7 other signatures 8->67 14 schtasks.exe 8->14         started        16 cvdUdxjga.exe 8->16         started        18 cvdUdxjga.exe 8->18         started        37 C:\Users\user\AppData\Roaming\cvdUdxjga.exe, PE32 11->37 dropped 39 C:\Users\user\AppData\Local\...\tmpF3D6.tmp, XML 11->39 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 11->61 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 20 fa098765456899.cmd.exe 3 13 11->20         started        23 powershell.exe 22 11->23         started        25 powershell.exe 22 11->25         started        27 schtasks.exe 1 11->27         started        signatures6 process7 dnsIp8 29 conhost.exe 14->29         started        43 107.175.229.139, 49738, 8087 AS-COLOCROSSINGUS United States 20->43 45 geoplugin.net 178.237.33.50, 49739, 80 ATOM86-ASATOM86NL Netherlands 20->45 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        process9
Threat name:
Win32.Backdoor.Remcos
Status:
Suspicious
First seen:
2023-11-24 11:05:56 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:john-pc rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
107.175.229.139:8087
Unpacked files
SH256 hash:
b40c51212af363bb685b5297ed6bf9f2b327f0ee31987c9eb4eb74fe79d925c6
MD5 hash:
af9c4cbc5be56020a32b6ae6c7d535d4
SHA1 hash:
ecd022f7261025c01779f742832372729e7b2bbf
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
43433ed63cdb88981fcdc522de7f71a700d59490aaa3d4fcd06f4249791747b2
MD5 hash:
c45bd2b3fa3c078ab7cbbabc6014967d
SHA1 hash:
18be0277557625bddf323b3c30cc3359595e74ce
Detections:
Remcos win_remcos_w0 win_remcos_auto win_remcos_rat_unpacked INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM malware_windows_remcos_rat
SH256 hash:
0e1384f5453159ad17b68e96e62f9d67464d78a261ad081af61c05f5379a695a
MD5 hash:
c0e566277b7a406db6b7e5230d092a0f
SHA1 hash:
06478b6bd1256911f8dfe969df4ebb28aa70cc2a
SH256 hash:
7d0094638be40437e64bb472a23d920cde1751b266427028175929b3507bacf5
MD5 hash:
3dd58f75ad16b66a3c034bae89038393
SHA1 hash:
3e60bf43e6e48ff5759e47dc82b81ac47896cbb5
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:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
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_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:QbotStuff
Author:anonymous
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research
Rule name:yara_template

File information


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

Malspam

RemcosRAT

Executable exe 7d0094638be40437e64bb472a23d920cde1751b266427028175929b3507bacf5

(this sample)

  
Delivery method
Distributed via e-mail attachment

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