MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6. 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: 15


Intelligence 15 IOCs YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6
SHA3-384 hash: 8d28cb1d4eaf1938a2cfcf7e54a5e7a0d770169b4dd7ace395c6f22b299019005bf5b151a568256a1041fead8d4c811a
SHA1 hash: 35051652d31dcf2641536f0dd88ff11eadeec1da
MD5 hash: 82c0eeef97e7997780f7b116bd80e852
humanhash: delta-colorado-coffee-thirteen
File name:FAC6899890.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:682'281 bytes
First seen:2023-11-01 14:30:11 UTC
Last seen:2023-11-01 16:16:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 12288:fwtnb6QONy71XH2e8en9JbHE0tIhMqjXQ2rZSmzTXkjgiPFd4riMQr0:fwtnb6tU71Xrn7HjtyrZrwhFd4riM/
Threatray 2'758 similar samples on MalwareBazaar
TLSH T11FE4231EBCD6769AC9D0B3F4A1B0A567B53A9CC52124C0478AFD3F27B632057DC4A1AC
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 174f4559191b1b13 (81 x AgentTesla, 68 x Formbook, 34 x SnakeKeylogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
91.92.241.117:8787

Intelligence

File Origin
# of uploads :
2
# of downloads :
376
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457632/
Detection(s):
SecuriteInfo.com.FileRepMalware.28483.19456.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
Creating a file
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65426126b38131f117ac3c6f/reports/dc0d7d71-9128-4cec-9b5a-2e5abeaa851f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6
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/012a943e-6020-4512-b36c-bcf183ff393b
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/1335488
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Installs a global keyboard hook
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
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 dnsIp2 2 Behavior Graph ID: 1335488 Sample: FAC6899890.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 56 geoplugin.net 2->56 64 Snort IDS alert for network traffic 2->64 66 Multi AV Scanner detection for domain / URL 2->66 68 Found malware configuration 2->68 70 11 other signatures 2->70 9 FAC6899890.exe 17 2->9         started        12 uenjsxhdmvrbw.exe 1 2->12         started        15 uenjsxhdmvrbw.exe 1 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 52 C:\Users\user\AppData\Local\...\luamtwuah.exe, PE32 9->52 dropped 20 luamtwuah.exe 1 3 9->20         started        90 Multi AV Scanner detection for dropped file 12->90 92 Contains functionality to bypass UAC (CMSTPLUA) 12->92 94 Contains functionalty to change the wallpaper 12->94 98 5 other signatures 12->98 24 conhost.exe 12->24         started        26 uenjsxhdmvrbw.exe 12->26         started        28 uenjsxhdmvrbw.exe 12->28         started        96 Maps a DLL or memory area into another process 15->96 30 conhost.exe 15->30         started        32 uenjsxhdmvrbw.exe 15->32         started        54 127.0.0.1 unknown unknown 17->54 file6 signatures7 process8 file9 50 C:\Users\user\AppData\...\uenjsxhdmvrbw.exe, PE32 20->50 dropped 76 Multi AV Scanner detection for dropped file 20->76 78 Contains functionality to bypass UAC (CMSTPLUA) 20->78 80 Contains functionalty to change the wallpaper 20->80 82 7 other signatures 20->82 34 luamtwuah.exe 3 16 20->34         started        39 conhost.exe 20->39         started        signatures10 process11 dnsIp12 58 91.92.241.117, 49712, 49713, 8787 THEZONEBG Bulgaria 34->58 60 80.76.51.172, 8787 CLOUDCOMPUTINGDE Bulgaria 34->60 62 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 34->62 48 C:\ProgramData\remcos\logs.dat, data 34->48 dropped 72 Maps a DLL or memory area into another process 34->72 74 Installs a global keyboard hook 34->74 41 luamtwuah.exe 1 34->41         started        44 luamtwuah.exe 1 34->44         started        46 luamtwuah.exe 2 34->46         started        file13 signatures14 process15 signatures16 84 Tries to steal Instant Messenger accounts or passwords 41->84 86 Tries to steal Mail credentials (via file / registry access) 41->86 88 Tries to harvest and steal browser information (history, passwords, etc) 44->88
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6/
Threat name:
Win32.Trojan.Remcosrat
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 14:31:05 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
21 of 22 (95.45%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c7is5ftln2e4bsanpub6pjtfwxksqanfevvd4d6rzfvbd64ifdta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
RemcosRAT
3cb93d166196c1400e069fd437153d956df26d587c969c2c1a525874633a1e99
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
RemcosRAT
69cb61375bae8db7278ca4adee488faea6723d8052270908010541c4850e8dcb
RemcosRAT
c5898ac379acfcd23bedfceff198bf5e738921bf61b299ca47bdd8c223199515
RemcosRAT
ce068c31fc36142145899195cf4dcb87d3dce15616bf9f60428f931d355c86d2
RemcosRAT
+ 2'748 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/231101-rvpn5sbe94/
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
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
80.76.51.172:8787
91.92.241.117:8787
Unpacked files
SH256 hash:
17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6
MD5 hash:
82c0eeef97e7997780f7b116bd80e852
SHA1 hash:
35051652d31dcf2641536f0dd88ff11eadeec1da
Link:
https://www.unpac.me/results/edf8a69a-bece-43db-b38f-f2deed27a810/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/17d12e966b6e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/17d12e966b6e89c0c80d7d03e7a665b5d52801a5256a3e0fd1c96a11fb8828e6

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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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_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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
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:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TeslaCryptPackedMalware
Create hunting rule
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
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.

Cape
Cape
https://www.capesandbox.com/analysis/457632/

Comments