MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285. 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: 17


Intelligence 17 IOCs YARA 26 File information Comments

SHA256 hash: 7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285
SHA3-384 hash: 75eef4b9846345cfcf4f4fb447bdc7bd48018c152c8877001e79d26eec96dae0b7725842968c9dfca691665296ff441b
SHA1 hash: 80cd86b5df31d1fac398eb2872641603888b95be
MD5 hash: 1f8a3704996a9d31c8be761ed319b429
humanhash: purple-quiet-angel-oranges
File name:PRODUCT LIST 80487 2024.exe
Download: download sample
Signature RemcosRAT
File size:1'179'136 bytes
First seen:2024-02-06 08:57:47 UTC
Last seen:2024-02-06 10:29:27 UTC
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:/42Kw+nGB//PmowzdkUZLprUgppkE6oddSQ9cx:TK7GB//PmT57dprUepkCL
TLSH T1D345E0B982062918C43535B9C77753D967BD1EFABC42CA0A94EC79B4247F3803A09F5E
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
4
# of downloads :
396
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285.exe
Verdict:
Malicious activity
Analysis date:
2024-02-06 09:45:04 UTC
Tags:
rat remcos remote keylogger stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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 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
Installs a global keyboard hook
Machine Learning detection for dropped file
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 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
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)
Tries to steal Mail credentials (via file registry)
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
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1387390 Sample: PRODUCT_LIST_80487_2024.exe Startdate: 06/02/2024 Architecture: WINDOWS Score: 100 52 paygateme.net 2->52 54 geoplugin.net 2->54 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 Antivirus detection for URL or domain 2->68 70 12 other signatures 2->70 8 PRODUCT_LIST_80487_2024.exe 7 2->8         started        12 cxqcWAYv.exe 5 2->12         started        signatures3 process4 file5 46 C:\Users\user\AppData\Roaming\cxqcWAYv.exe, PE32 8->46 dropped 48 C:\Users\user\AppData\Local\...\tmp66DB.tmp, XML 8->48 dropped 72 Tries to steal Mail credentials (via file registry) 8->72 74 Uses schtasks.exe or at.exe to add and modify task schedules 8->74 76 Adds a directory exclusion to Windows Defender 8->76 78 Injects a PE file into a foreign processes 8->78 14 PRODUCT_LIST_80487_2024.exe 3 15 8->14         started        19 powershell.exe 23 8->19         started        21 schtasks.exe 1 8->21         started        27 2 other processes 8->27 80 Multi AV Scanner detection for dropped file 12->80 82 Contains functionality to bypass UAC (CMSTPLUA) 12->82 84 Contains functionalty to change the wallpaper 12->84 86 5 other signatures 12->86 23 schtasks.exe 1 12->23         started        25 cxqcWAYv.exe 12->25         started        signatures6 process7 dnsIp8 56 paygateme.net 146.70.57.34, 2286, 49732, 49735 TENET-1ZA United Kingdom 14->56 58 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 14->58 50 C:\ProgramData\remcos\logs.dat, data 14->50 dropped 60 Maps a DLL or memory area into another process 14->60 62 Installs a global keyboard hook 14->62 29 PRODUCT_LIST_80487_2024.exe 14->29         started        32 PRODUCT_LIST_80487_2024.exe 14->32         started        34 PRODUCT_LIST_80487_2024.exe 14 14->34         started        44 2 other processes 14->44 36 WmiPrvSE.exe 19->36         started        38 conhost.exe 19->38         started        40 conhost.exe 21->40         started        42 conhost.exe 23->42         started        file9 signatures10 process11 signatures12 88 Tries to steal Instant Messenger accounts or passwords 29->88 90 Tries to steal Mail credentials (via file / registry access) 29->90 92 Tries to harvest and steal browser information (history, passwords, etc) 32->92
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2024-02-06 08:57:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
14 of 23 (60.87%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
paygateme.net:2286
Unpacked files
SH256 hash:
4a2cf6ab29f939e528e7fb11617ccf6ad393ba0ee5c05a204dd7a61f269b0f15
MD5 hash:
fad2a4b1e771bf543c9a83d1319707c4
SHA1 hash:
f9a09428e4bb6cb0cfd0ca8a12c8c2fd5970437d
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
6d4e6056025c3c2844ebc325223ffcb254e312d3b02ca78836f0151288e5454a
MD5 hash:
911413c1b85e9deb83c4f5bfd9a8eb35
SHA1 hash:
a36d0d50a6f37f5a17fec37392b2eb8061012d7e
SH256 hash:
0fac2fff81d0f1a1bf6b28c9218a145532b53bc9cc15a1b6866b41de59a1f521
MD5 hash:
56336534f47dad1fd55b460d049e0c2d
SHA1 hash:
9b39b33a2ede6f4cbaaf2aa706dcc5044477d761
SH256 hash:
a3b82e2d17f660c450ba4dae95a26b906f12626462a4bb9a6c2833071dd9faf5
MD5 hash:
cf3241f04cc546fa617566e84b5c1793
SHA1 hash:
0b9cbe0c45fba268857e11ad4d71105193c19d02
SH256 hash:
731223cc23140a70d6d7cb3a6894c8fc27b742b1f3dba02ffc82a0809ad4951e
MD5 hash:
7e817168f5b53affbea32c93db801a7e
SHA1 hash:
33c1e77ff5a4e446f0e6aefc68251be343ec38b9
SH256 hash:
7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285
MD5 hash:
1f8a3704996a9d31c8be761ed319b429
SHA1 hash:
80cd86b5df31d1fac398eb2872641603888b95be
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: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: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: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 7d5fb292b4477237a05a35eb135a13c9f6d1177987217e94c3558b91fa97c285

(this sample)

Comments