MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c68b7153fdf0f50387d3d594f00b361d3b03b0c1efa12ff741a11313b92ff9c0. 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: 18


Intelligence 18 IOCs YARA 9 File information Comments 1

SHA256 hash: c68b7153fdf0f50387d3d594f00b361d3b03b0c1efa12ff741a11313b92ff9c0
SHA3-384 hash: 8016d8f52d5dc5dc3d794a9aa35ac3f447efbffb80b4c7a3ed9c4ca51358d9f4b9250187a28ff144e025a2e78b3ba8cb
SHA1 hash: 03d279e15f1d29494eefe9db399c9bdcca144aca
MD5 hash: 8faff6ad78a596fe3f0b20dc4ffb24ad
humanhash: mountain-sierra-three-freddie
File name:8faff6ad78a596fe3f0b20dc4ffb24ad
Download: download sample
Signature RemcosRAT
File size:1'769'984 bytes
First seen:2023-07-28 04:10:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:FjCMsOUCuN1lXtsGG4iDv5Gap4YWUNhL8ULWjDWzIT/PLysbgK3c8hT2s1NXk3Qg:AbybOjaQP5gK3ci1ObuyfdZBOhHh
Threatray 2'319 similar samples on MalwareBazaar
TLSH T15585872A38AA100DB261AD5C6BFCB476D15EF7F2223A1CB74DF7054A1112DF1CB9D226
TrID 28.5% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4505/5/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
306
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
8faff6ad78a596fe3f0b20dc4ffb24ad
Verdict:
Malicious activity
Analysis date:
2023-07-28 04:11:42 UTC
Tags:
rat remcos remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a file
DNS request
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
confuserex lolbin packed packed remcos replace
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:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
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 submitted file
PE file contains section with special chars
PE file has nameless sections
Performs DNS queries to domains with low reputation
Sample uses process hollowing technique
Sigma detected: Remcos
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)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1281586 Sample: t4BS0Or1GI.exe Startdate: 28/07/2023 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 9 other signatures 2->39 7 t4BS0Or1GI.exe 1 2->7         started        process3 file4 25 C:\Users\user\AppData\...\t4BS0Or1GI.exe.log, CSV 7->25 dropped 41 Writes to foreign memory regions 7->41 43 Allocates memory in foreign processes 7->43 45 Injects a PE file into a foreign processes 7->45 11 CasPol.exe 3 13 7->11         started        signatures5 process6 dnsIp7 29 top.noforabusers1.xyz 45.81.39.190, 30890, 49690, 49691 LVLT-10753US United States 11->29 31 geoplugin.net 178.237.33.50, 49692, 80 ATOM86-ASATOM86NL Netherlands 11->31 47 Contains functionality to bypass UAC (CMSTPLUA) 11->47 49 Performs DNS queries to domains with low reputation 11->49 51 Contains functionality to steal Chrome passwords or cookies 11->51 53 6 other signatures 11->53 15 CasPol.exe 1 11->15         started        18 CasPol.exe 1 11->18         started        20 CasPol.exe 1 11->20         started        22 33 other processes 11->22 signatures8 process9 dnsIp10 55 Tries to steal Instant Messenger accounts or passwords 15->55 57 Tries to steal Mail credentials (via file / registry access) 15->57 27 192.168.2.1 unknown unknown 22->27 59 Tries to harvest and steal browser information (history, passwords, etc) 22->59 signatures11
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-26 18:55:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
top.noforabusers1.xyz:30890
Unpacked files
SH256 hash:
4c91c1999a25d525a41e688d4f86dee6d583f51210b58ca20d1a2ac312d8b93f
MD5 hash:
4b927b51956430d5852ffdd828261bc4
SHA1 hash:
9488ca9830a2d9004a6b470f2b4e92842c3ea63d
SH256 hash:
c68b7153fdf0f50387d3d594f00b361d3b03b0c1efa12ff741a11313b92ff9c0
MD5 hash:
8faff6ad78a596fe3f0b20dc4ffb24ad
SHA1 hash:
03d279e15f1d29494eefe9db399c9bdcca144aca
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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
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.

Web download

RemcosRAT

Executable exe c68b7153fdf0f50387d3d594f00b361d3b03b0c1efa12ff741a11313b92ff9c0

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-28 04:10:44 UTC

url : hxxp://109.207.171.30/255/ChromeSetup.exe