MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b
SHA3-384 hash: dbd95e27ae6ea71897a3f4a37c89fb638ba24d91ee295c9527fa7e79edb5284ea641f9c71a8f208148e118870dc203b6
SHA1 hash: e6d7c381f0f6ba83b2ca530a36b43ae73c105db1
MD5 hash: 001526944d55318789d7b2aac8d8c858
humanhash: north-twelve-venus-xray
File name:Order_no 1008875535619 PDF20230802.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:497'700 bytes
First seen:2023-08-02 17:30:17 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:PY3LhETotiifydbtF8ZLZzsWqctajBZdztH+hsnYxVP:PY3LhE2ydbAzsWqnBBez7
Threatray 2'370 similar samples on MalwareBazaar
TLSH T101B4234C32F2C577CE739E335EB6074AD6BA993358A402CB2B5209677C63642E25D3B0
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Order_no 1008875535619 PDF20230802.exe
Verdict:
Malicious activity
Analysis date:
2023-08-02 17:30:44 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/aa5bc383-b400-4473-9cba-5fc845ef936c

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/439886/
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
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin masquerade overlay packed remcos shell32
Link:
https://www.filescan.io/uploads/64ca92d7cbfeb5bd575133a3/reports/759fede9-8b50-4952-af43-81807b8e57ec/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b
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/899a0768-3bf1-49d0-ab05-4fdd8b589125
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1284600
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1284600 Sample: Order_no_1008875535619_PDF2... Startdate: 02/08/2023 Architecture: WINDOWS Score: 100 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 10 other signatures 2->39 6 Order_no_1008875535619_PDF20230802.exe 1 20 2->6         started        10 ktpyienj.exe 18 2->10         started        12 ktpyienj.exe 18 2->12         started        process3 file4 21 C:\Users\user\AppData\...\ktpyienj.exe, PE32 6->21 dropped 23 C:\Users\user\AppData\...\kkajlyuazq.dll, PE32 6->23 dropped 41 Contains functionality to bypass UAC (CMSTPLUA) 6->41 43 Detected unpacking (changes PE section rights) 6->43 45 Detected unpacking (overwrites its own PE header) 6->45 55 4 other signatures 6->55 14 Order_no_1008875535619_PDF20230802.exe 3 13 6->14         started        25 C:\Users\user\AppData\...\kkajlyuazq.dll, PE32 10->25 dropped 47 Multi AV Scanner detection for dropped file 10->47 49 Machine Learning detection for dropped file 10->49 51 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->51 17 ktpyienj.exe 10->17         started        27 C:\Users\user\AppData\...\kkajlyuazq.dll, PE32 12->27 dropped 53 Maps a DLL or memory area into another process 12->53 19 ktpyienj.exe 12->19         started        signatures5 process6 dnsIp7 29 64.112.85.218, 4888, 49690 UNIREGISTRYKY Reserved 14->29 31 geoplugin.net 178.237.33.50, 49691, 80 ATOM86-ASATOM86NL Netherlands 14->31
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b/
Threat name:
Win32.Trojan.Vigorf
Create hunting rule
Status:
Malicious
First seen:
2023-08-02 08:34:53 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wbvi5agyrf2w56erc4zmiiebzpvsesrx5mopox5jwbqh4jzzngfq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
RemcosRAT
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
RemcosRAT
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
a54c57d081e28c09d26a5ef8d3b471af22e6b4ab2f65b1a89bb2a79c23872135
RemcosRAT
ce068c31fc36142145899195cf4dcb87d3dce15616bf9f60428f931d355c86d2
RemcosRAT
f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26
RemcosRAT
+ 2'360 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230802-v3pkwshd2s/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Unpacked files
SH256 hash:
f9780b36bf7fbc018cdb18cac33fb11f9b1ad784a83142e0694bbfc4b72a5813
MD5 hash:
ac8922d5552eb4529fa662edf82c621b
SHA1 hash:
5fca8f10900d3e851309d1bba0fbf5d647bc1150
Link:
https://www.unpac.me/results/bdf4ab74-e70d-466f-a266-e6a035cbd12d/
SH256 hash:
b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b
MD5 hash:
001526944d55318789d7b2aac8d8c858
SHA1 hash:
e6d7c381f0f6ba83b2ca530a36b43ae73c105db1
Link:
https://www.unpac.me/results/bdf4ab74-e70d-466f-a266-e6a035cbd12d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b06a8e80d889/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/b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b

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_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
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.

Malspam

RemcosRAT

Executable exe b06a8e80d889756ef8911732c42081cbeb224a37eb1cf75fa9b0607e2739698b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439886/

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