MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597
SHA3-384 hash: e2b779042e9a483db98526cd0e820d048262621b71b9c9a3b52ea4449634bf51bf2ecb010b8bd3dc337a0ac04d197b35
SHA1 hash: 2fee41c2b56e8772922afb5ff180a7642a48798e
MD5 hash: 285ab1b8f0f69dc47675b1ba3634a491
humanhash: emma-solar-wyoming-india
File name:REGISTRO DE No 9591508_cln.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:849'920 bytes
First seen:2023-01-18 18:37:51 UTC
Last seen:2023-01-18 20:30:00 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 12288:kmlPb65eRAAPJ1maOggGQe2YbHfbWUGmrvQiy+K3RynLzA3Elmo+6v2+T7Jw195b:1luUAMmrgDQe2YrVbo3ALzA3Sm
TLSH T1BC05AD0762AC8AB8E4E787308CA686115A25BC975DA8D30F10C531876D713E9B57F3EF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon e0e8ccd4e0968ae0 (5 x RemcosRAT, 3 x AgentTesla, 1 x Formbook)
Reporter 0xToxin
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
257
Origin country :
IL IL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
REGISTRO DE No 9591508_cln.exe
Verdict:
Malicious activity
Analysis date:
2023-01-18 18:40:39 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/c57e52b8-afbe-4ed8-9595-1d38a263f698

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/354235/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.3888.5000.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Running batch commands
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
  10/10
Confidence:
80%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63c83c8dbda854045c192d25/reports/d800c09f-4a4e-4bef-b534-fa423d55a307/overview
Result
Verdict:
UNKNOWN
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/46d77a05-8a9e-4636-b79e-bc7b302fc732
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1154100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 786832 Sample: REGISTRO DE  No 9591508_cln.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 100 65 nvisbviurbviuhbrr.con-ip.com 2->65 67 geoplugin.net 2->67 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for submitted file 2->85 87 Yara detected Remcos RAT 2->87 89 4 other signatures 2->89 8 REGISTRO DE  No 9591508_cln.exe 4 2->8         started        12 vonss.exe 2 2->12         started        14 vonss.exe 3 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 63 C:\...\REGISTRO DE  No 9591508_cln.exe.log, ASCII 8->63 dropped 91 Writes to foreign memory regions 8->91 93 Allocates memory in foreign processes 8->93 95 Injects a PE file into a foreign processes 8->95 18 csc.exe 8->18         started        21 cmd.exe 3 8->21         started        24 cmd.exe 2 8->24         started        31 3 other processes 8->31 26 csc.exe 5 18 12->26         started        33 3 other processes 12->33 97 Multi AV Scanner detection for dropped file 14->97 99 Machine Learning detection for dropped file 14->99 29 cmd.exe 14->29         started        35 3 other processes 14->35 37 9 other processes 16->37 signatures6 process7 dnsIp8 73 Contains functionality to steal Chrome passwords or cookies 18->73 75 Contains functionality to steal Firefox passwords or cookies 18->75 77 Delayed program exit found 18->77 39 WerFault.exe 24 9 18->39         started        57 C:\Users\user\AppData\Roaming\...\vonss.exe, PE32 21->57 dropped 59 C:\Users\user\...\vonss.exe:Zone.Identifier, ASCII 21->59 dropped 41 conhost.exe 21->41         started        79 Uses schtasks.exe or at.exe to add and modify task schedules 24->79 43 conhost.exe 24->43         started        69 nvisbviurbviuhbrr.con-ip.com 181.131.217.190, 1883, 49711, 49714 EPMTelecomunicacionesSAESPCO Colombia 26->69 71 geoplugin.net 178.237.33.50, 49712, 49715, 80 ATOM86-ASATOM86NL Netherlands 26->71 61 C:\ProgramData\remcos\logs.dat, data 26->61 dropped 81 Installs a global keyboard hook 26->81 45 wscript.exe 26->45         started        47 2 other processes 29->47 49 2 other processes 31->49 51 4 other processes 33->51 53 3 other processes 35->53 55 9 other processes 37->55 file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2023-01-18 18:38:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2dejg5uvmezalrtkaskwezvxiaxovlrzfoemlty66ivug7iycwlq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:dinero rat
Link:
https://tria.ge/reports/230118-w92pgafa85/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
nvisbviurbviuhbrr.con-ip.com:1883
Unpacked files
SH256 hash:
be5fb62e3dd6f40d7b138c0a8979c131dc09d66a926a92f7fe44379c0fd7a3ec
MD5 hash:
1310131ae5c810aa91d4790dec18252a
SHA1 hash:
f755971a5c617c13761aba675eb68ebfa4e04731
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f8f844f5-8301-4e86-8861-079832393fc3/
SH256 hash:
2a1b449a54bd4e5bdabefcf254328cf13a3db8cc40ba1d705036fafdf5a02aec
MD5 hash:
ddc75c357a39d224445054cf4469afbb
SHA1 hash:
6b57d15799aae88c75a3032f196c555e5387324d
Link:
https://www.unpac.me/results/f8f844f5-8301-4e86-8861-079832393fc3/
SH256 hash:
d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597
MD5 hash:
285ab1b8f0f69dc47675b1ba3634a491
SHA1 hash:
2fee41c2b56e8772922afb5ff180a7642a48798e
Link:
https://www.unpac.me/results/f8f844f5-8301-4e86-8861-079832393fc3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d0c893769561/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d0c8937695613205c66a04956266b7402eeaae392b88c5cf1ef22b437d181597

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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.

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/354235/

Comments