MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0. 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: 19


Intelligence 19 IOCs YARA 16 File information Comments
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SHA256 hash: 788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
SHA3-384 hash: afd0a5bc646c34a7d5d9d2edb9b4cb5eb4cae9ce307857b6f9659341f3bb7d39a53b29c0fd1077321cc99b2a0622e269
SHA1 hash: 627b492794bc42089ec8fc677014b98893bea8eb
MD5 hash: cee0527a194296161c820dd4fefdba46
humanhash: magazine-carbon-alpha-kansas
File name:788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'057'280 bytes
First seen:2023-12-11 13:22:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:kcK/uP/N1T9Fc2dmO8FlqolpeW9LNpQj:kcsq1DIzzjeK
Threatray 582 similar samples on MalwareBazaar
TLSH T1C425F220356A1BD2E1BA9BFD0119620017F27E2B293EE35C4DD7B4DA1E64F405B91F2B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
Verdict:
Malicious activity
Analysis date:
2023-12-11 13:50:33 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/ac148b4e-094d-4b87-bf8b-986f719fa771

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/465135/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

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
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65770e4c3636548f374a66c8/reports/198b94b7-9646-41f6-a7c9-ac7d21898a6b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
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/819b6a8a-dc0c-4048-aee3-0e138c94ab58
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1360101
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Maps a DLL or memory area into another process
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1360101 Sample: EQooA6jf7i.exe Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 49 grantadistciaret.com 2->49 51 geoplugin.net 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 11 other signatures 2->63 8 EQooA6jf7i.exe 7 2->8         started        12 UeDdCzezaZDgk.exe 5 2->12         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\UeDdCzezaZDgk.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp6121.tmp, XML 8->47 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 8->65 67 Writes to foreign memory regions 8->67 69 Adds a directory exclusion to Windows Defender 8->69 71 Injects a PE file into a foreign processes 8->71 14 vbc.exe 3 13 8->14         started        18 powershell.exe 20 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        73 Antivirus detection for dropped file 12->73 75 Machine Learning detection for dropped file 12->75 24 schtasks.exe 1 12->24         started        26 vbc.exe 12->26         started        signatures6 process7 dnsIp8 53 grantadistciaret.com 91.92.252.51, 3212, 49708, 49710 THEZONEBG Bulgaria 14->53 55 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 14->55 83 Contains functionality to bypass UAC (CMSTPLUA) 14->83 85 Tries to steal Mail credentials (via file registry) 14->85 87 Contains functionalty to change the wallpaper 14->87 89 6 other signatures 14->89 28 vbc.exe 14->28         started        31 vbc.exe 14->31         started        33 vbc.exe 14->33         started        35 vbc.exe 14->35         started        37 conhost.exe 18->37         started        39 conhost.exe 20->39         started        41 conhost.exe 22->41         started        43 conhost.exe 24->43         started        signatures9 process10 signatures11 77 Tries to steal Instant Messenger accounts or passwords 28->77 79 Tries to steal Mail credentials (via file / registry access) 28->79 81 Tries to harvest and steal browser information (history, passwords, etc) 31->81
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 13:01:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
36
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pchnv5yypg4h2nhkmol7npqmogfgppeph322fmzolmnnqbskitia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
25ad65700d96ab435cbe3070cc5189ade55537add318b907b57fc27b6dcf7110
RemcosRAT
7d0094638be40437e64bb472a23d920cde1751b266427028175929b3507bacf5
RemcosRAT
88c300243b5102cdcf2685203b2469f384d12d0cbd66b49dd479d21b3ceab24d
RemcosRAT
9c365f7df9b2bb958a53890dc80a258de1f5ea0781155f7c2b3741b9dd593867
RemcosRAT
cf10f829e15f56c4ac271d8bd9539cbb2482d0c63c2bc2c02f118928b079d74e
RemcosRAT
eb2b838b16132790a2e2ad046f2176548a10d073c0dbb5f3c3658873b378fb7f
RemcosRAT
+ 572 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:grace collection rat
Link:
https://tria.ge/reports/231211-qpl6dsffcj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Uses the VBS compiler for execution
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
grantadistciaret.com:3212
Unpacked files
SH256 hash:
96c484e3460ba35be66e9a5ff9f3ca2a11692f36ba6d11cd6d75b0bbdc3b83b7
MD5 hash:
6c45f8a7142f6a1723f6580cae0455ae
SHA1 hash:
d5272dc1974bca0fa16bc710af69209ce113fb5f
Link:
https://www.unpac.me/results/6673a3e0-566e-4e2f-a09e-549f1174ffc3/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/6673a3e0-566e-4e2f-a09e-549f1174ffc3/
SH256 hash:
36b92c37c82ca247c4f2e97321a809bd221fe573a24fb1596a949bcd631b69b3
MD5 hash:
6aa5119c900602c782095fb4c67b4d79
SHA1 hash:
9b475ab0d0ead3a00b9a3337faf83c7fc8046ba8
Link:
https://www.unpac.me/results/6673a3e0-566e-4e2f-a09e-549f1174ffc3/
SH256 hash:
cf0bc44ce17f3691873b5d4b1048d2ee37966fed0d6f9aefe82a63d5e3a44381
MD5 hash:
4c9dcdd5946caffba47fd4218404d384
SHA1 hash:
4f733af9d4a0eef8aa55968c2971f5d6ae1f0f57
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/6673a3e0-566e-4e2f-a09e-549f1174ffc3/
Parent samples :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 hash:
788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0
MD5 hash:
cee0527a194296161c820dd4fefdba46
SHA1 hash:
627b492794bc42089ec8fc677014b98893bea8eb
Link:
https://www.unpac.me/results/6673a3e0-566e-4e2f-a09e-549f1174ffc3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/788edaf71879/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/788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

Executable exe 788edaf71879b87d34ea6397f6be0c718a67bc8f3ef5a2b32e5b1ad8064a44d0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/465135/

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