MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41. 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: 9


Intelligence 9 IOCs YARA 30 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41
SHA3-384 hash: 536bd34903081c2d2b187b2c7562cadcc5dd0ed0ea36fe91268fef2dc3b0ee27c01a1ab6a87cf229e9036849c58ab165
SHA1 hash: b9e2a3d31bb9a355e217b4ed1dffab82a1cb654f
MD5 hash: d80313774b5f4bb077f82036f1bad8f0
humanhash: football-skylark-victor-football
File name:PURCHASE ORDER 794769-048.gz
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:880'928 bytes
First seen:2024-04-06 10:05:39 UTC
Last seen:2024-04-06 10:07:51 UTC
File type: gz
MIME type:application/gzip
ssdeep 12288:hcZjNM2AHyOU9KXZSFGWyFfSYQ7G8fVb8U+ALapJ0qO0U0aMnIRpVoR3ZtphWlDM:sAHyH9U8cWySxJEid0XHIRp2R3Nib1Pe
TLSH T17815338232C3B9CC1B6FF18FB96A8882EC70EFD958092B65E7659E4791153C5C82ED41
Reporter cocaman
Tags:gz RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "=?utf-8?q?=22Bursa_Y=C3=BCksek_Ihtisas_EA=22_=3Ckaia=40minhvocong=2Ecom?=
=?utf-8?q?=3E?=" (likely spoofed)
Received: "from hunch.minhvocong.com (hunch.minhvocong.com [102.211.56.81]) "
Date: "Fri, 05 Apr 2024 04:39:48 -0700"
Subject: "NEW PURCHASE ORDER REQUEST/SPECIFICATION"
Attachment: "PURCHASE ORDER 794769-048.gz"

Intelligence

File Origin
# of uploads :
3
# of downloads :
89
Origin country :
CH CH
File Archive Information

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

File name:PURCHASE ORDER 794769-048.exe
File size:913'408 bytes
SHA256 hash: 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c
MD5 hash: 636a54861ddd167065f294cc76fca7ba
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66111e8d6ffbb8b169307cc9/reports/a7430392-5428-40a2-926a-20075e8658f8/overview
Verdict:
Suspicious
Labled as:
Mal/DrodGzip
Link:
https://www.hybrid-analysis.com/sample/194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41
Result
Verdict:
MALICIOUS
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-04-05 13:12:03 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
22 of 37 (59.46%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dfhkmwbvubadpoejjovbb2ya4gznmqdh32m4wiv235pkqd5nhnaq._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Link:
https://tria.ge/reports/240406-sgqvqade78/
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
paygateme.net:2286
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/194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
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
Rule name:yara_template
Create hunting rule

File information

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

Malspam

RemcosRAT

gz 194ea65835a04037b8894baa10eb00e1b2d64067de99cb22badf5ea80fad3b41

(this sample)

RemcosRAT

Executable exe 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8f02ecb26530c0a13b7f00020ebca144fc271fe36a5caaba1f4b3270e8e0023c
  
Dropping
RemcosRAT

Comments