MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551. 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: 8


Intelligence 8 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551
SHA3-384 hash: 13eb2c881905458bf03b6a6f9aeb5e231bf7b5ce40ef7e0915d432eb7857735e8a53ec2eec9d2de68f78add8169610d3
SHA1 hash: 51492a3045c34f729b8e7498a48e370bd44e70b4
MD5 hash: b8a586aec9f2c272126227e60f7e5307
humanhash: leopard-diet-autumn-nevada
File name:RHLP00098890080.pdf.gz
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:396'576 bytes
First seen:2023-11-01 08:05:06 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:cYWtV6iEcyho0BAjKxir503ES3yfziY1Be:cXDahofKor5kD3cu
TLSH T15E84232ECFEF619E0EC6D502F7062C661C894195AEC72FFA07634401FCE4AE2F5A51A1
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:gz INVOICE payment RemcosRAT zip


Avatar
cocaman
Malicious email (T1566.001)
From: "sharique804@gmail.com" (likely spoofed)
Received: "from [94.156.6.51] (unknown [94.156.6.51]) "
Date: "1 Nov 2023 03:10:52 +0100"
Subject: "Payment invoice"
Attachment: "RHLP00098890080.pdf.gz"

Intelligence

File Origin
# of uploads :
1
# of downloads :
105
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:RHLP00098890080.exe
File size:565'767 bytes
SHA256 hash: 8eee3203e37325544b2b3461b11410bc8084002f3853fcc243d3148050af8b0d
MD5 hash: e4be2ef27f86a57da83fdf9bf131785c
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Gamarue-6972487-0
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/654206f4b95974e8222959cf/reports/90d940fb-18ad-4743-a51f-758de025ba27/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 03:28:21 UTC
File Type:
Binary (Archive)
Extracted files:
3
AV detection:
22 of 38 (57.89%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwko7txmdvjngs73kbbtwjuqduko3sdxsoh7xlybw55h6wjeaviq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat spyware stealer upx
Link:
https://tria.ge/reports/231101-q9tqzabc4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
80.76.51.172:8787
91.92.241.117:8787
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/bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:upx_3
Create hunting rule
Author:Kevin Falcoz
Description:UPX 3.X
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.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

zip bd94efceec1d52d34bfb50433b26901d14edc877938ffbaf01b77a7f59240551

(this sample)

RemcosRAT

Executable exe 8eee3203e37325544b2b3461b11410bc8084002f3853fcc243d3148050af8b0d

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8eee3203e37325544b2b3461b11410bc8084002f3853fcc243d3148050af8b0d
  
Dropping
RemcosRAT
  
Dropping
MD5 e4be2ef27f86a57da83fdf9bf131785c

Comments