MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
SHA3-384 hash: 94c87aa9735616714d812319e6c7951af45c337d8bfe331964cf6807cfeb4cb0eb134a339e108f2f888094acd359b300
SHA1 hash: 65150bb2166d4aea992f0bd88b080513c6d02976
MD5 hash: aaa2cad5d72a84b789bbef60829dc64c
humanhash: florida-aspen-lithium-gee
File name:DELAYED - CLX-64490 - AF shipment 2 wooden crates ex LAX to TPE (ETA TPE airport 1月30日@0530) .pdf.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'320'960 bytes
First seen:2026-02-02 07:28:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 24576:V5Uk7CxiG/FWMZZLp3RREksl1W3vuMGhPVVKM79j3DwwJ4UMgTO6JpVK:k//hXLdg1q3GhfKM7l3DwwLFO
Threatray 2'033 similar samples on MalwareBazaar
TLSH T141552251226DC249EA776FF48C32D2749B34BEAEB551E31A4FC97ECB387A3148419312
TrID 35.4% (.EXE) Win64 Executable (generic) (10522/11/4)
22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.1% (.EXE) Win32 Executable (generic) (4504/4/1)
6.9% (.ICL) Windows Icons Library (generic) (2059/9)
6.8% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
CH CH
Vendor Threat Intelligence
Gathering data
Malware family:
remcos
Create hunting rule
ID:
1
File name:
fb66543f-17cd-401b-b643-b484180926ce
Verdict:
Malicious activity
Analysis date:
2026-02-02 07:30:02 UTC
Tags:
remcos rat auto-reg remote stealer mpress
Link:
https://app.any.run/tasks/fb66543f-17cd-401b-b643-b484180926ce

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/51159/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.96747822.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69805263d93e7233498c8321
Tags:
underscore extens micro spawn
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
krypt masquerade obfuscated packed vbnet
Link:
https://www.filescan.io/uploads/6980525c930564ff3c82f2d0/reports/eddc1945-e295-46ae-91d9-28b0955fd09c/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-02-02T03:38:00Z UTC
Last seen:
2026-02-02T08:58:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Inject.sb Backdoor.Win32.Remcos.sb Backdoor.Win32.Remcos.f PDM:Trojan.Win32.Badex.c HEUR:Trojan-Spy.MSIL.Stealer.gen
Link:
https://opentip.kaspersky.com/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b03faa0f-ab80-470a-a1af-b195013d48e2
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/1861427
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
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
Initial sample is a PE file and has a suspicious name
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)
Uses an obfuscated file name to hide its real file extension (double extension)
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: 1861427 Sample: 490 - AF shipment 2 wooden ... Startdate: 02/02/2026 Architecture: WINDOWS Score: 100 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 18 other signatures 2->76 9 490 - AF shipment 2 wooden crates ex LAX to TPE (ETA TPE airport  1#U670830#U65e5@0530) .pdf.scr.exe 3 2->9         started        13 Edge.exe 2 2->13         started        15 Edge.exe 2 2->15         started        17 Edge.exe 2->17         started        process3 file4 66 490 - AF shipment ...0) .pdf.scr.exe.log, ASCII 9->66 dropped 90 Injects a PE file into a foreign processes 9->90 19 490 - AF shipment 2 wooden crates ex LAX to TPE (ETA TPE airport  1#U670830#U65e5@0530) .pdf.scr.exe 2 4 9->19         started        23 490 - AF shipment 2 wooden crates ex LAX to TPE (ETA TPE airport  1#U670830#U65e5@0530) .pdf.scr.exe 9->23         started        25 490 - AF shipment 2 wooden crates ex LAX to TPE (ETA TPE airport  1#U670830#U65e5@0530) .pdf.scr.exe 9->25         started        33 2 other processes 9->33 27 Edge.exe 13->27         started        29 Edge.exe 15->29         started        31 Edge.exe 17->31         started        signatures5 process6 file7 56 C:\ProgramDatadgedge.exe, PE32 19->56 dropped 58 C:\ProgramData\...dge.exe:Zone.Identifier, ASCII 19->58 dropped 86 Creates autostart registry keys with suspicious names 19->86 35 Edge.exe 3 19->35         started        signatures8 process9 signatures10 78 Antivirus detection for dropped file 35->78 80 Multi AV Scanner detection for dropped file 35->80 82 Found hidden mapped module (file has been removed from disk) 35->82 84 3 other signatures 35->84 38 Edge.exe 4 4 35->38         started        43 Edge.exe 35->43         started        45 conhost.exe 35->45         started        process11 dnsIp12 68 172.94.15.100, 49687, 49688, 6075 VOXILITYGB United States 38->68 60 C:\Users\user\AppData\Local\Temp\THA8B2.tmp, MS-DOS 38->60 dropped 62 C:\Users\user\AppData\Local\Temp\THA824.tmp, MS-DOS 38->62 dropped 64 C:\Users\user\AppData\Local\Temp\THA804.tmp, MS-DOS 38->64 dropped 88 Maps a DLL or memory area into another process 38->88 47 svchost.exe 1 38->47         started        50 svchost.exe 1 38->50         started        52 svchost.exe 1 38->52         started        54 svchost.exe 38->54         started        file13 signatures14 process15 signatures16 92 Tries to steal Mail credentials (via file registry) 47->92 94 Tries to harvest and steal browser information (history, passwords, etc) 47->94 96 Unusual module load detection (module proxying) 47->96 98 Tries to steal Instant Messenger accounts or passwords 50->98 100 Tries to steal Mail credentials (via file / registry access) 50->100
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.15 Win 32 Exe x86
Link:
https://app.malva.re/file/aaa2cad5d72a84b789bbef60829dc64c
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
Threat name:
Win32.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2026-02-02 06:56:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfl6vyyaei6eg7bybk3lm3wv7eg4raqpejndo7ayes3dwcy5osaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
RemcosRAT
75cc0d7abb4cb0145f0dc0639fbee4be7925dd45a38664e063095963c482ea78
RemcosRAT
89f12db466f60f1cf1c53d5ac9a46ca374a29566d3e1e8d1e8f5f892f6df6c4e
RemcosRAT
b6796a4d9dcedda326af341ca3db33412d59ff54c7a2d50f728bd20c57067e4e
RemcosRAT
e462d1a4674d1c46ee7c3eba187353dc4c6c40863493e67b3d1ab379714f97bb
RemcosRAT
eef6a2be2d108d13d18f38a61013bab9be3290a8a8f1a2ef1b632731367372d0
RemcosRAT
error
RemcosRAT
+ 2'023 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/260202-jbhsgsax8b/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
MD5 hash:
aaa2cad5d72a84b789bbef60829dc64c
SHA1 hash:
65150bb2166d4aea992f0bd88b080513c6d02976
Link:
https://www.unpac.me/results/23333338-4a20-418c-bb41-93112de37229/
SH256 hash:
a7a27ee417c3c508edfa039f6d4b27eaaca31b29e78fc5e87bb9ac88d8d846b9
MD5 hash:
e845f41f74d69ba4fe1e4b58fae27b10
SHA1 hash:
45131b421f6208ba6e8ec2500e9335c7a4f5d0ea
Link:
https://www.unpac.me/results/23333338-4a20-418c-bb41-93112de37229/
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/23333338-4a20-418c-bb41-93112de37229/
Parent samples :
eef6a2be2d108d13d18f38a61013bab9be3290a8a8f1a2ef1b632731367372d0
a8997f7b77f90d348f1a55cde634f4e89a6cbef5f5914391663f31e69a244275
014f82191da6caeb5662632441b2793fa4ed776f53913b5bac0d47133796397b
52a553cb4f8949d238242a420e1e2ff71fe479d5bf6d59f2dba9aa3e566b0ce5
4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481
49af01f9215248c4f6a5e180940b0ad6c1b7bf596b8b9c4eb8251a4dc81eacad
SH256 hash:
2c6bf5d990467a0a3b6b98755ef17704b7e32675adf6e45412624ff40665a36f
MD5 hash:
cb51aa96fdd8447b077e68ae23f9011d
SHA1 hash:
9e7786aa3ccb48dbe4f0e4e4083f894b18c21cf1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/23333338-4a20-418c-bb41-93112de37229/
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/4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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 4957eae300223c437c380ab6b66ed5f90dc8820f225a377c1824b63b0b1d7481

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/51159/

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