MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba. 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: 21


Intelligence 21 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
SHA3-384 hash: 6674730bc86c6719a17a3a687f04097dc4e7a3f2f8ea3ce0c6f3fc688c1d212238c638b5b1fd8447bbc203d87d720645
SHA1 hash: fbbbfc72c1e992b8c871f9df4fa32656d4921503
MD5 hash: 7e37c52b146f4856df6eda03978c7070
humanhash: nebraska-four-missouri-north
File name:NLM PO 00250822H.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'683'456 bytes
First seen:2025-08-23 14:20:02 UTC
Last seen:2025-09-05 13:13:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:GOc+IftxDb+WvZIQhdcs0Na6HiinVIu0Pob1:qd9b5ZJQsInVIxPo
Threatray 1'338 similar samples on MalwareBazaar
TLSH T141759D00BFAC5716E53C28FE266649375B722B039418F0DAF8BD52CE9FA5B05463B352
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
123
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
NLM PO 00250822H.scr
Verdict:
Malicious activity
Analysis date:
2025-08-23 14:20:21 UTC
Tags:
remcos rat remote auto-sch-xml
Link:
https://app.any.run/tasks/a7fcaaa2-fbeb-48cd-9255-bd3e2b0777bf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/23168/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a9ce53e9d9dbcfd96d353e
Tags:
extens keylog spawn
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
Creating a file
Connection attempt
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Changing a file
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
bitmap packed stego
Link:
https://www.filescan.io/uploads/68a9ce4b28a89d9dd4f2ad73/reports/035613da-fda2-4abd-af0d-e38f2852a98c/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-08-23T08:51:00Z UTC
Last seen:
2025-08-23T08:51:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba/results?tab=lookup
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/695139ec-5ef1-4199-8d15-a80b29f36de0
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1763618
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
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: 1763618 Sample: NLM PO 00250822H.scr.exe Startdate: 23/08/2025 Architecture: WINDOWS Score: 100 47 69.5.189.18 OMNISUS United States 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 10 other signatures 2->55 8 NLM PO 00250822H.scr.exe 7 2->8         started        12 nVWozouXVZGns.exe 5 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\...\nVWozouXVZGns.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp88F4.tmp, XML 8->43 dropped 45 C:\Users\...45LM PO 00250822H.scr.exe.log, ASCII 8->45 dropped 57 Adds a directory exclusion to Windows Defender 8->57 14 powershell.exe 22 8->14         started        17 powershell.exe 23 8->17         started        19 schtasks.exe 1 8->19         started        27 5 other processes 8->27 59 Multi AV Scanner detection for dropped file 12->59 21 schtasks.exe 1 12->21         started        23 vbc.exe 12->23         started        25 vbc.exe 12->25         started        29 3 other processes 12->29 signatures6 process7 signatures8 61 Loading BitLocker PowerShell Module 14->61 31 WmiPrvSE.exe 14->31         started        33 conhost.exe 14->33         started        35 conhost.exe 17->35         started        37 conhost.exe 19->37         started        39 conhost.exe 21->39         started        process9
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/7e37c52b146f4856df6eda03978c7070
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-08-23 14:20:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
76
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=s4oepylafym62xbnmwmsxpmo3hmeqdtaqsodkxos42ijv2b5z65a._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
remcos
Create hunting rule
Similar samples:
06a4f5872145608425c3b41c01ee00f6b20986236d673ec5319184cc68a029e5
RemcosRAT
624f8c5eeb9c53aff00a43be9aeea85a0cb91eec236833e8c19424e70c1b5ddb
RemcosRAT
971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
RemcosRAT
a430f5b9c6c4199bd7b9885f3435b0ac1bd6afdca74530a62c8afac41c9f4978
RemcosRAT
c9670ae9c8ffd10a62ca47f243fce2e58357e65538fee6ea9b7c9ca82ded5ef3
RemcosRAT
error
RemcosRAT
f75c114f83d3d078bd85e7e59cd8a4ed6e8be4a33db6600bd9eda842845ac2fe
RemcosRAT
+ 1'328 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos collection credential_access defense_evasion discovery execution persistence rat stealer
Link:
https://tria.ge/reports/250823-rnxfeavzgs/
Behaviour
Enumerates system info in registry
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Executes dropped EXE
Uses the VBS compiler for execution
Command and Scripting Interpreter: PowerShell
Modifies trusted root certificate store through registry
Uses browser remote debugging
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e5cad22a-48fc-489a-b6f7-1bf817079362
Unpacked files
SH256 hash:
971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
MD5 hash:
7e37c52b146f4856df6eda03978c7070
SHA1 hash:
fbbbfc72c1e992b8c871f9df4fa32656d4921503
Link:
https://www.unpac.me/results/ba5fe415-22a2-4fd9-a94e-01e273b4a382/
SH256 hash:
b2a18a51f6cdb530f5063ccf53d1011bb1fcdb46bcd42ce1abb4ad207697c7c8
MD5 hash:
3f81c3b08ac395bf5160684bba6f273b
SHA1 hash:
0f4f96444c6f435b5322c749e3d0e1929be7b2fc
Detections:
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Remcos
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/ba5fe415-22a2-4fd9-a94e-01e273b4a382/
Parent samples :
971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba
870d065bd083e30edfa0d9f8c1dbad6c2ad69ae46d4bb9a29b786a560936900a
1d67dacec099bf03c40fcb8320ea5fe18a36113511f2602ce0024ec42c709713
SH256 hash:
18ec2f02a931ddec650022a9c82bb14a8f180626460f70b9db517c7f2df1d61f
MD5 hash:
8fbc028c3b3984606261d39e4537bb0c
SHA1 hash:
4cb9a560da28d72bc04512c1f4d47b2c914b16de
Link:
https://www.unpac.me/results/ba5fe415-22a2-4fd9-a94e-01e273b4a382/
SH256 hash:
9bdd01f9ae14c8cfa2093ac79349b0c20d21c4a3f5cd0296bb48eaade9ca942f
MD5 hash:
3710027715fb5c5349d90c9853e5c02d
SHA1 hash:
70f0ac30d62fd5d2655d7aa8b036ef460a852b8e
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/ba5fe415-22a2-4fd9-a94e-01e273b4a382/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/971c47e1602e/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/971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

RemcosRAT

Executable exe 971c47e1602e19ed5c2d65992bbd8ed9d8480e60849c355dd2e6909ae83dcfba

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/23168/

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