MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911. 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 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911
SHA3-384 hash: 0359d8132b7eae1ce37a4f27af88a319c556d75e39dd39644c0e1eba677c2c7a579fb645c1f5c7b112ef933a1e67885b
SHA1 hash: c42e84dd849588c45912e0185b1fae01065ea6cf
MD5 hash: c41f9cc04934ae12c91a902507d7307a
humanhash: october-sad-oklahoma-quebec
File name:Technical specifications.001
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:623'425 bytes
First seen:2023-08-28 13:46:48 UTC
Last seen:2023-08-28 13:47:20 UTC
File type: rar
MIME type:application/x-rar
ssdeep 12288:k5y1CrzEypWUGoPefa8F/jv/Pwz1BMH0DSLAFZtG0RM2I71/kwm:k5CCrgy9ei8Nz/IzXScFzGH2s1/1m
TLSH T159D423FFB587C4C2840D25079A23CAD0FA99EEFF892876DC5C726B42365C2A55C16F84
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:001 rar RemcosRAT


Avatar
cocaman
Malicious email (T1566.001)
From: "Service <service@junma.biz>" (likely spoofed)
Received: "from junma.biz (unknown [185.216.71.115]) "
Date: "23 Aug 2023 06:14:46 -0700"
Subject: "INQUIRY FOR TECHNICAL SUPPORT AT CHINA"
Attachment: "Technical specifications.001"

Intelligence

File Origin
# of uploads :
2
# of downloads :
102
Origin country :
CH CH
File Archive Information

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

File name:Technical specifications.exe
File size:1'131'463 bytes
SHA256 hash: 8bf8b980381fd607ec9065bfbcd572973770ee77c815354a35455c10651516d5
MD5 hash: 533b3df0e597c50e1129ec807fd6bbcf
MIME type:application/x-dosexec
Signature RemcosRAT
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control floxif keylogger lolbin obfuscated overlay packed virus
Link:
https://www.filescan.io/uploads/64eca557d7ae0984750f60cb/reports/67cd54e4-95de-46bf-a0e9-b6864d4262f4/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911
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.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911/
Threat name:
Win32.Trojan.ModiLoader
Create hunting rule
Status:
Malicious
First seen:
2023-08-22 10:47:07 UTC
File Type:
Binary (Archive)
Extracted files:
77
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cfeqdfcfxnd5lhnl5c6uwgkbzzp5eevvzpz7mrzjdl75v5lofeiq._file
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader persistence trojan upx
Link:
https://tria.ge/reports/230828-rvpn5sbf67/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Drops file in Program Files directory
Enumerates connected drives
ACProtect 1.3x - 1.4x DLL software
Loads dropped DLL
UPX packed file
Modifies AppInit DLL entries
ModiLoader Second Stage
ModiLoader, DBatLoader
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/1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_FloodFix
Create hunting rule
Author:ditekSHen
Description:Detects FloodFix
Rule name:MAL_Floxif_Generic
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Floxif Malware
Reference:Internal Research
Rule name:MAL_Floxif_Generic_RID2DCE
Create hunting rule
Author:Florian Roth
Description:Detects Floxif Malware
Reference:Internal Research
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:SUSP_Microsoft_Copyright_String_Anomaly_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Floxif Malware
Reference:Internal Research
Rule name:SUSP_Microsoft_Copyright_String_Anomaly_2_RID3720
Create hunting rule
Author:Florian Roth
Description:Detects Floxif Malware
Reference:Internal Research
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:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_floxif_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.floxif.
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

rar 1149019445bb47d59dabe8bd4b1941ce5fd212b5cbf3f647291affdaf56e2911

(this sample)

RemcosRAT

Executable exe 8bf8b980381fd607ec9065bfbcd572973770ee77c815354a35455c10651516d5

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 8bf8b980381fd607ec9065bfbcd572973770ee77c815354a35455c10651516d5
  
Dropping
RemcosRAT

Comments