MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26. 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 18 File information Comments
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SHA256 hash: f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26
SHA3-384 hash: 9f90f05dcfdd64bfb55af8508065e4679a120f238c4183d942714afb17b5b6c1b70e585f318d34259c6f4d9a800d2a1c
SHA1 hash: 4fedca622031f0e035a72a975072adfb31693ce9
MD5 hash: 4e7f8e9c3f6abff4f54007081b10aca5
humanhash: echo-maine-sweet-uranus
File name:SCAN_IMG_0008658-JULY-2023.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:750'386 bytes
First seen:2023-07-27 10:09:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:WYhkH9sw9EjQBNwpD2D60eECHqRJch8YoLqLu:WYhkHOljiNzDlCKwhdoLqLu
Threatray 636 similar samples on MalwareBazaar
TLSH T124F4E0E3C30045A6EDA39B7519364C2F066BEE3D6C78798D1659B1726F733E22827903
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 364519030f0c0c00 (1 x RemcosRAT, 1 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SCAN_IMG_0008658-JULY-2023.exe
Verdict:
Malicious activity
Analysis date:
2023-07-27 10:11:04 UTC
Tags:
rat remcos remote stealer keylogger
Link:
https://app.any.run/tasks/e1b7f2bb-ec0a-4cb5-8ef8-a10bc97f94a5

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/434731/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
Connecting to a non-recommended domain
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/64c2427ba6284b7a5682fd52/reports/305fd4bc-0ab7-4c3b-aabf-b57d8b074a84/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26
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/8265335c-b690-48ce-9bcc-b5fe988c35a0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1281027
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Initial sample is a PE file and has a suspicious name
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: Remcos
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1281027 Sample: SCAN_IMG_0008658-JULY-2023.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 8 other signatures 2->52 7 SCAN_IMG_0008658-JULY-2023.exe 1 20 2->7         started        11 wgpluqajfoxsc.exe 18 2->11         started        process3 file4 30 C:\Users\user\AppData\...\wgpluqajfoxsc.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\hgstqbs.dll, PE32 7->32 dropped 60 Contains functionality to bypass UAC (CMSTPLUA) 7->60 62 Detected unpacking (changes PE section rights) 7->62 64 Detected unpacking (overwrites its own PE header) 7->64 72 7 other signatures 7->72 13 SCAN_IMG_0008658-JULY-2023.exe 3 16 7->13         started        34 C:\Users\user\AppData\Local\...\hgstqbs.dll, PE32 11->34 dropped 66 Antivirus detection for dropped file 11->66 68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 18 wgpluqajfoxsc.exe 11->18         started        signatures5 process6 dnsIp7 40 2.59.255.57, 49693, 49694, 55433 CMCSUS Germany 13->40 42 127.0.0.1 unknown unknown 13->42 44 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 13->44 36 C:\ProgramData\remcos\logs.dat, data 13->36 dropped 74 Maps a DLL or memory area into another process 13->74 76 Installs a global keyboard hook 13->76 20 SCAN_IMG_0008658-JULY-2023.exe 1 13->20         started        23 SCAN_IMG_0008658-JULY-2023.exe 1 13->23         started        25 SCAN_IMG_0008658-JULY-2023.exe 13->25         started        27 27 other processes 13->27 file8 signatures9 process10 dnsIp11 54 Tries to steal Instant Messenger accounts or passwords 20->54 56 Tries to steal Mail credentials (via file / registry access) 20->56 38 192.168.2.1 unknown unknown 27->38 58 Tries to harvest and steal browser information (history, passwords, etc) 27->58 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26/
Threat name:
Win32.Trojan.GenShell
Create hunting rule
Status:
Malicious
First seen:
2023-07-27 09:40:31 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6e3t2irc43coapufp5ab4wbcmhyfgbja5d7c22rsk5b6647otita._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f611b87697a816d5b37f745fa94c89315327ba3458c190fe41efd891ccd5196
RemcosRAT
1297278ef746096841eeadfbd09a124e044a52bee1be093b4484f95af475c2b3
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
3f0f7847996e9d8ef9f875c1c20dafd17ecb2a3eee860b2d08ac5eabab631b4d
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
69cb61375bae8db7278ca4adee488faea6723d8052270908010541c4850e8dcb
RemcosRAT
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
RemcosRAT
a54c57d081e28c09d26a5ef8d3b471af22e6b4ab2f65b1a89bb2a79c23872135
RemcosRAT
+ 626 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/230727-l7cx8aee9w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
127.0.0.1:55434
127.0.0.1:55433
2.59.255.57:55433
2.59.255.57:55434
Unpacked files
SH256 hash:
f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26
MD5 hash:
4e7f8e9c3f6abff4f54007081b10aca5
SHA1 hash:
4fedca622031f0e035a72a975072adfb31693ce9
Link:
https://www.unpac.me/results/e79e3502-7ef9-4522-b4bc-cc561a27ce13/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f1373d2222e6/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/f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TeslaCryptPackedMalware
Create hunting rule
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:yara_template
Create hunting rule

File information

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

Malspam

RemcosRAT

Executable exe f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/434731/

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