MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de. 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: 14


Intelligence 14 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
SHA3-384 hash: fb1eef10b2f2960bcaa719c4e2828e7ec8a725812eaddec9ccdee6bcb6b7725b98e699fd29966dc4add40ee95d1115f0
SHA1 hash: 241354ce4d0f2b5c815f09390cf3ecda82a50c2a
MD5 hash: 9ba41f60c3eefe303c3d52faf20161d5
humanhash: michigan-purple-texas-eighteen
File name:158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'047'552 bytes
First seen:2023-06-09 11:09:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 17581eeef5c5b8e0637670877fe87bb4 (2 x ModiLoader, 2 x Formbook, 1 x RemcosRAT)
ssdeep 12288:jRmIcCn67ZSgSZcKqe5aITzOFjHYsHlTs6EJqdvcFsymAkm4crYF6T:jR8zS0GTzA48InMvamcrY8
Threatray 2'627 similar samples on MalwareBazaar
TLSH T157259E6772B108BFE29B1D368C9BD365592A7E201A385446B7E67C8CCE362417C35EC3
TrID 84.0% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.1% (.SCR) Windows screen saver (13097/50/3)
3.1% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 79d0b2b69696b2b0 (4 x Formbook, 2 x ModiLoader, 1 x RemcosRAT)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
Verdict:
No threats detected
Analysis date:
2023-06-09 11:09:20 UTC
Tags:
dbatloader
Link:
https://app.any.run/tasks/2dd5e002-4f40-4c36-9fba-0662dcc61e3f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/397362/
Detection(s):
SecuriteInfo.com.Variant.Barys.432110.13675.20281.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Launching a process
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware keylogger lolbin packed zusy
Link:
https://www.filescan.io/uploads/6483088bd9c56cc8fb433fb4/reports/dfaf85ed-7c5a-4696-9fa4-66396faab13a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
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:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cf412439-83a7-4aff-b412-f32373f5d300
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1251887
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates a thread in another existing process (thread injection)
Detected unpacking (creates a PE file in dynamic memory)
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Suspicious powershell command line found
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 884907 Sample: SWEbgyHK76.exe Startdate: 09/06/2023 Architecture: WINDOWS Score: 100 79 Multi AV Scanner detection for domain / URL 2->79 81 Found malware configuration 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 12 other signatures 2->85 10 SWEbgyHK76.exe 1 9 2->10         started        15 Covnodru.exe 1 2->15         started        17 Covnodru.exe 2->17         started        process3 dnsIp4 71 web.fe.1drv.com 10->71 73 onedrive.live.com 10->73 75 2 other IPs or domains 10->75 53 C:\Users\Public\Libraries\netutils.dll, PE32+ 10->53 dropped 55 C:\Users\Public\Libraries\easinvoker.exe, PE32+ 10->55 dropped 57 C:\Users\Public\Libraries\Covnodru.exe, PE32 10->57 dropped 61 2 other malicious files 10->61 dropped 101 Writes to foreign memory regions 10->101 103 Allocates memory in foreign processes 10->103 105 Creates a thread in another existing process (thread injection) 10->105 19 cmd.exe 3 10->19         started        22 urdonvoC.pif 10->22         started        59 C:\Users\Public\Libraries\urdonvoC.pif, PE32 15->59 dropped 107 Antivirus detection for dropped file 15->107 109 Multi AV Scanner detection for dropped file 15->109 111 Drops PE files with a suspicious file extension 15->111 25 urdonvoC.pif 15->25         started        113 Injects a PE file into a foreign processes 17->113 27 urdonvoC.pif 17->27         started        file5 signatures6 process7 dnsIp8 87 Uses ping.exe to sleep 19->87 89 Drops executables to the windows directory (C:\Windows) and starts them 19->89 91 Uses ping.exe to check the status of other devices and networks 19->91 29 easinvoker.exe 19->29         started        31 PING.EXE 1 19->31         started        34 xcopy.exe 2 19->34         started        37 6 other processes 19->37 63 tochukwu1122.ddns.net 22->63 65 toshiba1122.ddns.net 197.210.84.45, 6426 VCG-ASNG Nigeria 25->65 67 tochukwu1122.ddns.net 25->67 93 Detected unpacking (creates a PE file in dynamic memory) 25->93 69 tochukwu1122.ddns.net 27->69 signatures9 process10 dnsIp11 39 cmd.exe 1 29->39         started        77 127.0.0.1 unknown unknown 31->77 49 C:\Windows \System32\easinvoker.exe, PE32+ 34->49 dropped 51 C:\Windows \System32\netutils.dll, PE32+ 37->51 dropped file12 process13 signatures14 95 Suspicious powershell command line found 39->95 97 Adds a directory exclusion to Windows Defender 39->97 42 powershell.exe 23 39->42         started        45 conhost.exe 39->45         started        process15 signatures16 99 DLL side loading technique detected 42->99 47 conhost.exe 42->47         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-05-29 10:03:15 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cwgfap7kccaqj4lzyxz5256knjbgha6ewdnbtsboiarrupxlmdpa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0d7e2ea0f8269d0474c2d8de97da80b4c1333185f2ee6a602f4eff6e71759153
RemcosRAT
1cdd50cbdf51d44354d596e4a1f8a3fee6268362ffdce61b608322bba56ebdb0
RemcosRAT
221784974f49f2b54c90c63ce6cf9550d94b15c3442c29c959300dbbf5b91f61
RemcosRAT
28894ebd9537959f6d45cb8f5cd21fcff66472820f5e8bcc6944276fa32c2623
RemcosRAT
71418a78c949e7f318a148ada4fd4a6701020a00707c426e3a2bf021966d03ce
RemcosRAT
96c3eda0f05d27702d5af7f5e0c626da24c93013804fd3ebc35241164eafdbdf
RemcosRAT
9846c8ffd0aec6ff3c8b8db350032e4d9586ac6aa22b06944672c837d3bbcf28
RemcosRAT
e1c89005d0db76c1bc3337a5ff30027e72e2850cfefb54f2768fa1ad02e4dfdf
RemcosRAT
+ 2'617 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:asaba persistence rat trojan
Link:
https://tria.ge/reports/230609-m9n9pscg5t/
Behaviour
Enumerates system info in registry
Runs ping.exe
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
ModiLoader Second Stage
Remcos
ModiLoader, DBatLoader
Malware Config
C2 Extraction:
tochukwu1122.ddns.net:6426
toshiba1122.ddns.net:6426
Unpacked files
SH256 hash:
d9537e5cecac9cf838cd6597a989f0ecac7e114e8c9b0319882d2b47c48e69a9
MD5 hash:
6585a85a0f2a54234a6a0e70c046fc2e
SHA1 hash:
f6f553d0c109c3c2c697dc315e9e820c1389316e
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/aa3b717c-c863-42e0-a75e-58caa2446d92/
Parent samples :
e54d5060f522ac4aae58c95d299bff21e5e6e014c941cd0a9e88485ea29e4ebc
003f6b2f3faf8ff80133f7486d0f329c9385bb485672fc50da806b779bc60202
66d63778c1f9c4b9487b66bc3319d378bb164f709912480eed30b44bd8f887e2
158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
SH256 hash:
158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de
MD5 hash:
9ba41f60c3eefe303c3d52faf20161d5
SHA1 hash:
241354ce4d0f2b5c815f09390cf3ecda82a50c2a
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/aa3b717c-c863-42e0-a75e-58caa2446d92/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/158c503fea10/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/158c503fea108104f179c5f3dd77ca6a426383c4b0da19c82e40231a3eeb60de

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
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: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/397362/

Comments