MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf. 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: a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
SHA3-384 hash: d2ed4ec8b976fa23cf5751d9549edd80b42ab839207a5d301de2c1ccf617c3128f10292ee0b3fb9c226e87bcb61eb05c
SHA1 hash: 1f21618716cadb48271e28fd30b8d048e703eecd
MD5 hash: 576f55fcb1df55a5538f2f35c85969f4
humanhash: pip-hotel-lima-hot
File name:EXPEDITORS VGM Form(CFS) 3.31 2026 - QMSP169913 - 4812893341 HBL#6810984029 (Lantronix USA-SEA).scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'371'648 bytes
First seen:2026-04-01 09:18:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'878 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 24576:3/mOASHpQQ8qadm2afyhcg3erKqm0DfisOwJzYLQ4xsc+6uabCvnUHx:uFSHpQQ8qEmRfyh8K70RZJn4OcHqnUH
TLSH T1F255014023A9EA02C0B72FF00970D37457B85D896812C317DEF6ADEBBD7E795580A693
TrID 21.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
21.2% (.EXE) Win64 Executable (generic) (6522/11/2)
16.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
14.6% (.EXE) Win32 Executable (generic) (4504/4/1)
6.6% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
CH CH
Vendor Threat Intelligence
Gathering data
Malware family:
remcos
Create hunting rule
ID:
1
File name:
EXPEDITORS VGM Form(CFS) 3.31 2026 - QMSP169913 - 4812893341 HBL#6810984029 (Lantronix USA-SEA).scr
Verdict:
Malicious activity
Analysis date:
2026-04-01 09:20:19 UTC
Tags:
remcos rat auto-reg remote stealer mpress
Link:
https://app.any.run/tasks/4969f087-9490-4086-800a-5671dfd475d2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/60020/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3180.30170.20484.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69cce2dc3a18a6e1ddf04265
Tags:
injection packed spawn lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %temp% directory
Launching a process
Reading critical registry keys
Launching a service
Changing a file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Sending a TCP request to an infection source
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook lolbin masquerade obfuscated packed remcos soft-404 tracker unsafe vbnet
Link:
https://www.filescan.io/uploads/69cce2d92346b9da57b642af/reports/c7ae7f9c-3004-4032-b462-15f112dbd87d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-31T03:39:00Z UTC
Last seen:
2026-04-03T00:28:00Z UTC
Hits:
~1000
Detections:
Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.f Backdoor.Win32.Androm.sb PDM:Trojan.Win32.Generic Trojan-Dropper.Win32.Injector.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-Spy.MSIL.BPLogger.gen
Link:
https://opentip.kaspersky.com/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9c415316-c8bd-42c6-9876-7369172d4acc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1891944
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for dropped file
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
Creates autostart registry keys with suspicious names
Found hidden mapped module (file has been removed from disk)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Unusual module load detection (module proxying)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1891944 Sample: EDITORS VGM Form(CFS) 3.31 ... Startdate: 01/04/2026 Architecture: WINDOWS Score: 100 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 15 other signatures 2->60 9 EDITORS VGM Form(CFS) 3.31 2026 - QMSP169913 - 4812893341 HBL#6810984029 (Lantronix USA-SEA).scr.exe 3 2->9         started        13 Edge.exe 2 2->13         started        process3 file4 38 EDITORS VGM Form(C...SA-SEA).scr.exe.log, ASCII 9->38 dropped 70 Injects a PE file into a foreign processes 9->70 15 EDITORS VGM Form(CFS) 3.31 2026 - QMSP169913 - 4812893341 HBL#6810984029 (Lantronix USA-SEA).scr.exe 2 4 9->15         started        19 Edge.exe 13->19         started        signatures5 process6 file7 46 C:\ProgramDatadgedge.exe, PE32 15->46 dropped 48 C:\ProgramData\...dge.exe:Zone.Identifier, ASCII 15->48 dropped 52 Creates autostart registry keys with suspicious names 15->52 21 Edge.exe 3 15->21         started        signatures8 process9 signatures10 62 Multi AV Scanner detection for dropped file 21->62 64 Found hidden mapped module (file has been removed from disk) 21->64 66 Injects a PE file into a foreign processes 21->66 68 2 other signatures 21->68 24 Edge.exe 4 4 21->24         started        process11 dnsIp12 50 172.94.15.100, 49693, 49694, 6075 VOXILITYGB United States 24->50 40 C:\Users\user\AppData\Local\Temp\TH5EDB.tmp, MS-DOS 24->40 dropped 42 C:\Users\user\AppData\Local\Temp\TH5DF0.tmp, MS-DOS 24->42 dropped 44 C:\Users\user\AppData\Local\Temp\TH5CF5.tmp, MS-DOS 24->44 dropped 72 Maps a DLL or memory area into another process 24->72 29 svchost.exe 2 24->29         started        32 svchost.exe 1 24->32         started        34 svchost.exe 1 24->34         started        36 svchost.exe 24->36         started        file13 signatures14 process15 signatures16 74 Tries to steal Mail credentials (via file registry) 29->74 76 Tries to harvest and steal browser information (history, passwords, etc) 29->76 78 Unusual module load detection (module proxying) 29->78 80 Tries to steal Instant Messenger accounts or passwords 32->80 82 Tries to steal Mail credentials (via file / registry access) 32->82
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
Gathering data
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
Threat name:
ByteCode-MSIL.Trojan.DarkCloud
Create hunting rule
Status:
Malicious
First seen:
2026-03-31 07:58:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uumudqct4dw4zirwrvga4cehrmcmjf7ivlv6kyqtq355cdlrek7q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery persistence rat
Link:
https://tria.ge/reports/260401-k9rcysaw9k/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Detected Nirsoft tools
Remcos
Remcos family
Malware Config
C2 Extraction:
172.94.15.100:6075
Unpacked files
SH256 hash:
a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
MD5 hash:
576f55fcb1df55a5538f2f35c85969f4
SHA1 hash:
1f21618716cadb48271e28fd30b8d048e703eecd
Link:
https://www.unpac.me/results/3df915a8-fa71-4c3e-9c73-dcb0a00a69d0/
SH256 hash:
0cb56e30226f2c165c131d7ed52e3f1cb6524baaa59ced2562ca3f2424571abc
MD5 hash:
61c512cc35c583c4d066f6d7f2726296
SHA1 hash:
6233237b8cda39500d478cf93b1c9f8af44d472d
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
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/3df915a8-fa71-4c3e-9c73-dcb0a00a69d0/
Parent samples :
eef6a2be2d108d13d18f38a61013bab9be3290a8a8f1a2ef1b632731367372d0
a8997f7b77f90d348f1a55cde634f4e89a6cbef5f5914391663f31e69a244275
014f82191da6caeb5662632441b2793fa4ed776f53913b5bac0d47133796397b
52a553cb4f8949d238242a420e1e2ff71fe479d5bf6d59f2dba9aa3e566b0ce5
4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
49af01f9215248c4f6a5e180940b0ad6c1b7bf596b8b9c4eb8251a4dc81eacad
d1805bb55498f94da1f9040517f7baaaacf2d4f77cdb6cd44a9436115dd12be9
746faa8065aaf8abe217f4ad5f1101e3220a558ca0ca74a188325c27a6b9f641
a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf
01f70dc5175c6daae296b4dbba49897b1fb6e5a294f26b045a6debf7b49faa11
SH256 hash:
4447fe8d112e6455f2dc2764ef66df2e8b028838c99706f2c565058d08d1bac4
MD5 hash:
a12cf68b20113c7325bcdefc4dfd9fa0
SHA1 hash:
a4d8c80cfccf2e0d45299a0de1d59520a7e3ab85
Link:
https://www.unpac.me/results/3df915a8-fa71-4c3e-9c73-dcb0a00a69d0/
SH256 hash:
15efa777e2c5f0d793885639c50b2e6d75f3a7df873d207e90e4f8ecebb66568
MD5 hash:
1491ea6baad34ac064aa28361ccf0b3d
SHA1 hash:
c9bc8b695a89bbbc2e512a4451c59b5342472376
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/3df915a8-fa71-4c3e-9c73-dcb0a00a69d0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a51941c053e0/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/a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf

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: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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Malspam

RemcosRAT

Executable exe a51941c053e0edcca2368d4c0e08878b04c497e8aaebe5621386fbd10d7122bf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/60020/

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