MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5. 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: 19


Intelligence 19 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
SHA3-384 hash: 312c8a2cdde42c7348be6306377f23318e5d7b1ab0325c45e0f6037e6dac70bc4b263292ff686f0bbf549b3c85f476f8
SHA1 hash: 4b9ec9455439827479f661ddba252228e60db2ce
MD5 hash: 3fd2edc9d87c0a0eb814814f8f461483
humanhash: skylark-wyoming-virginia-fourteen
File name:BP-30M31_20240829_093844.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'010'688 bytes
First seen:2024-08-29 11:10:01 UTC
Last seen:2024-08-29 19:35:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:OZMMCpg5QbkH/njR1WWdHSZCGF9bbMZi:70QmjR1W+HGHb9
TLSH T15B25026032BC1F96D679E3FE6410501607B1B91FA5AEE2990DC775EF66B2F010BA0E43
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
486
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
BP-30M31_20240829_093844.exe
Verdict:
Malicious activity
Analysis date:
2024-08-29 11:11:36 UTC
Tags:
rat remcos evasion keylogger
Link:
https://app.any.run/tasks/7b2fe65c-20df-4ebf-bfd7-98e68e7dbd0e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.19949.23844.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d0570cfe69a9e56049d800
Tags:
Discovery Execution Generic Infostealer Network Static Stealth Remcos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66d057105959a837dd124ec6/reports/35de1e7e-077d-49f1-ade7-1bbb956b33a8/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
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/5fe13aa7-f761-4b7e-b766-b41784a4c44a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501135
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1501135 Sample: BP-30M31_20240829_093844.exe Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 53 geoplugin.net 2->53 65 Multi AV Scanner detection for domain / URL 2->65 67 Suricata IDS alerts for network traffic 2->67 69 Found malware configuration 2->69 71 12 other signatures 2->71 8 BP-30M31_20240829_093844.exe 7 2->8         started        12 gqxyRiPaQx.exe 5 2->12         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\gqxyRiPaQx.exe, PE32 8->43 dropped 45 C:\Users\...\gqxyRiPaQx.exe:Zone.Identifier, ASCII 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpEDEC.tmp, XML 8->47 dropped 49 C:\Users\...\BP-30M31_20240829_093844.exe.log, ASCII 8->49 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 75 Adds a directory exclusion to Windows Defender 8->75 77 Injects a PE file into a foreign processes 8->77 14 BP-30M31_20240829_093844.exe 3 15 8->14         started        19 powershell.exe 23 8->19         started        21 powershell.exe 23 8->21         started        31 2 other processes 8->31 79 Multi AV Scanner detection for dropped file 12->79 81 Contains functionality to bypass UAC (CMSTPLUA) 12->81 83 Contains functionalty to change the wallpaper 12->83 85 5 other signatures 12->85 23 gqxyRiPaQx.exe 12->23         started        25 schtasks.exe 12->25         started        27 gqxyRiPaQx.exe 12->27         started        29 gqxyRiPaQx.exe 12->29         started        signatures6 process7 dnsIp8 55 192.3.243.155, 49733, 7643 AS-COLOCROSSINGUS United States 14->55 57 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 14->57 51 C:\ProgramData\remcos\logs.dat, data 14->51 dropped 59 Detected Remcos RAT 14->59 61 Installs a global keyboard hook 14->61 63 Loading BitLocker PowerShell Module 19->63 33 WmiPrvSE.exe 19->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 25->39         started        41 conhost.exe 31->41         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-29 11:11:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hwewyqi3fngc6d2btlo2i5frsllopyhus3d46s73m6gzxtnocg2q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/240829-m9pkgayale/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Malware Config
C2 Extraction:
192.3.243.155:7643
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d2d6268c-f61c-4fac-a603-ab1fddb17319
Unpacked files
SH256 hash:
3af2306fd10b32e8a40d2bd846c36c47a62d4c1775d8cd278a41116e9cc91b9e
MD5 hash:
3891e8f6eda2fa9c34372eab0ed30d7b
SHA1 hash:
ebb2dc75a54f55042abfab11ef0593400fe568ed
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/7847089b-efee-4d4b-aefd-6fe86d54e2e6/
Parent samples :
322c8e0ba72b41a9ee9ebdeeb1b1d71cefd9ed9674e285efed105c0918834b24
ddea918e0f507e1cdab135b871112ded7f068a604b74873091a8a2afa6b64abb
81ed143389ad903c7669aa1da459fbda5b0d93a157ddddb7ddc1ff8e22b97e96
3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
5df39d87a6c1cb5faf24da06fb3d3fd255544f3d04895f395d764307643eb8bd
SH256 hash:
c22b6e2cfed3d7e9e0bc312aedb34dd32d9b8049319032ddc7557c9756cf07f7
MD5 hash:
afafe33158d5f82d678539141bbd0455
SHA1 hash:
5746d7bc26825f9bbf73487ee0dd5324d9a19288
Link:
https://www.unpac.me/results/7847089b-efee-4d4b-aefd-6fe86d54e2e6/
SH256 hash:
c651d11a20a37f5f78cf12567ccecaf4f07f2aef87abe6567a6865f6e6918a1c
MD5 hash:
b4d1d6e0df97f18fb9881b5974e03914
SHA1 hash:
11ea6b5305d452f816a3ca26c7eedeb91059533c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/7847089b-efee-4d4b-aefd-6fe86d54e2e6/
SH256 hash:
3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5
MD5 hash:
3fd2edc9d87c0a0eb814814f8f461483
SHA1 hash:
4b9ec9455439827479f661ddba252228e60db2ce
Link:
https://www.unpac.me/results/7847089b-efee-4d4b-aefd-6fe86d54e2e6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d896c411b2b/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/3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

RemcosRAT

Executable exe 3d896c411b2b4c2f0f419adda474b192d6e7e0f496c7cf4bfb678d9bcdae11b5

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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