MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2e5c4d023167875977767da513d8889f1fc09fb18fdadfd95c66a6a890b5ca3f. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: 2e5c4d023167875977767da513d8889f1fc09fb18fdadfd95c66a6a890b5ca3f
SHA3-384 hash: dba6bde0dc0182d4cd7a778675400a8b1278208fea3bd3e89a4fe4ccd5688fe52673ab596f96fba79fa55ea0f137edd6
SHA1 hash: 3058791f14280f599715ef1ddc253a42dda52556
MD5 hash: 6df0b700bd6b7d089d921df829914c97
humanhash: quebec-angel-ohio-two
File name:ChyR.exe
Download: download sample
Signature RemcosRAT
File size:908'800 bytes
First seen:2023-11-08 16:29:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:1zzJ5vz1Ql3IGGIwRyF/XK9nJeYncrsWROfg:1LZQvwRiS9nJbnCTRO
Threatray 2'832 similar samples on MalwareBazaar
TLSH T1901512232398C703D3571271C462DEA083A17DCFE520E67AE8A97C46A875F7B8E93751
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)
File icon (PE):PE icon
dhash icon e0e69a82a29a82a0 (21 x AgentTesla, 6 x Formbook, 1 x Loki)
Reporter adm1n_usa32
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://e4e4r.shop/YAmztkku/DOC-JPG74994739478920293.LZH
Verdict:
Malicious activity
Analysis date:
2023-11-06 04:03:40 UTC
Tags:
n/a

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 file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Setting a keyboard event handler
DNS request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
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.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
Connects to many ports of the same IP (likely port scanning)
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
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
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
Uses dynamic DNS services
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: 1339230 Sample: ChyR.exe Startdate: 08/11/2023 Architecture: WINDOWS Score: 100 39 rungmotors20.ddns.net 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 11 other signatures 2->49 8 EiHjExP.exe 5 2->8         started        11 ChyR.exe 7 2->11         started        signatures3 process4 file5 53 Antivirus detection for dropped file 8->53 55 Multi AV Scanner detection for dropped file 8->55 57 Contains functionality to bypass UAC (CMSTPLUA) 8->57 65 6 other signatures 8->65 14 schtasks.exe 1 8->14         started        16 EiHjExP.exe 8->16         started        35 C:\Users\user\AppData\RoamingiHjExP.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp3CE4.tmp, XML 11->37 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 11->59 61 Adds a directory exclusion to Windows Defender 11->61 63 Injects a PE file into a foreign processes 11->63 18 ChyR.exe 3 2 11->18         started        23 powershell.exe 22 11->23         started        25 schtasks.exe 1 11->25         started        signatures6 process7 dnsIp8 27 conhost.exe 14->27         started        41 rungmotors20.ddns.net 188.126.90.17, 60247 PORTLANEwwwportlanecomSE Sweden 18->41 33 C:\ProgramData\remcos\logs.dat, data 18->33 dropped 51 Installs a global keyboard hook 18->51 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-06 07:10:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
rungmotors20.ddns.net:60247
Unpacked files
SH256 hash:
f3ef8e05d60a512a7baba1d6da66bc86b62c29f3b6be4a59851fc29580c01b63
MD5 hash:
e795cab93a21d2bdb71f4542ee910d28
SHA1 hash:
c73ac62b375af0193a4a153d4192dca02242613c
SH256 hash:
c5928572e371b0a5d3109d0a7431ca9e064216beb858f04dc8d0140ccaf44b84
MD5 hash:
dd76e11ff9b96efdcf3cd377126c8d96
SHA1 hash:
c44c5e6c808cf4252c698e9622f8f2453cdeaf5f
SH256 hash:
a5b3a6b698932138008b7694289ee66f563ccc1e96728230e0d07a10a31529b0
MD5 hash:
6c7c46bae0eee39e2c05a7041f042572
SHA1 hash:
c26547d5657cd6272f75ae10a0eb294c62c98959
SH256 hash:
f55fc4f4e1bcbe957d20750f56cd98869c717c18c14c8b6d42698557b254ad51
MD5 hash:
dc05d4f2864dfafa9b91e8e0d79840e3
SHA1 hash:
1bf505937ed405e168629ac0add81b71c6dba865
Detections:
Remcos win_remcos_w0 win_remcos_auto
SH256 hash:
2e5c4d023167875977767da513d8889f1fc09fb18fdadfd95c66a6a890b5ca3f
MD5 hash:
6df0b700bd6b7d089d921df829914c97
SHA1 hash:
3058791f14280f599715ef1ddc253a42dda52556
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments