MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
SHA3-384 hash: 24fabf6c1a8a5893019c04e0b4bd7d6f75e56a465dbf495a8d91d9a6b607e1d0e66c303f55b6e52f2279e23a859fecf3
SHA1 hash: 959bb384579525ccb255eae18c36808ebfa41a51
MD5 hash: 4bc7c2f96f962e75fd0b5487bf1036fb
humanhash: louisiana-island-green-blossom
File name:FCL VGM Statement from SHIPPER to JAS Taiwan.docx.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:940'032 bytes
First seen:2025-03-11 10:26:32 UTC
Last seen:2025-03-11 11:38:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:xux4NA/+KE7cLXqrjFQRLC69nePCe1KJ7J:xuGuTosqfKRLCE9qKL
TLSH T12B1512A4B76DDE61C8B82BF10632E23143F46E6CE421E309DCD96CDF38657193A152A7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
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 smica83
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
548
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
FCL VGM Statement from SHIPPER to JAS Taiwan.docx.exe
Verdict:
Malicious activity
Analysis date:
2025-03-11 10:48:39 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/d705ddb7-c18e-4535-b6c1-e13e28408846

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d0135fdff6bd9219082ae6
Tags:
underscore virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Launching a process
Reading critical registry keys
Creating a file in the %temp% directory
Creating a window
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
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
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected
Link:
https://www.filescan.io/uploads/67d010044a3011c802cd2077/reports/8ff437f0-878a-47d7-b063-f9d9ebd7ed13/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
Result
Verdict:
SUSPICIOUS
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/50bbb238-2afd-484c-8a29-ae9493557977
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/1635118
Signature
.NET source code contains potential unpacker
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 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
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1635118 Sample: FCL VGM Statement from SHIP... Startdate: 11/03/2025 Architecture: WINDOWS Score: 100 58 geoplugin.net 2->58 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 15 other signatures 2->74 10 FCL VGM Statement from SHIPPER to JAS Taiwan.docx.exe 3 2->10         started        13 Adobe.exe 2 2->13         started        16 Adobe.exe 2 2->16         started        signatures3 process4 file5 56 FCL VGM Statement ...Taiwan.docx.exe.log, ASCII 10->56 dropped 18 FCL VGM Statement from SHIPPER to JAS Taiwan.docx.exe 2 4 10->18         started        90 Injects a PE file into a foreign processes 13->90 22 Adobe.exe 13->22         started        24 Adobe.exe 16->24         started        signatures6 process7 file8 52 C:\ProgramData\Adobe-Reader\Adobe.exe, PE32 18->52 dropped 54 C:\ProgramData\...\Adobe.exe:Zone.Identifier, ASCII 18->54 dropped 76 Creates autostart registry keys with suspicious names 18->76 26 Adobe.exe 3 18->26         started        29 Adobe.exe 18->29         started        signatures9 process10 signatures11 78 Multi AV Scanner detection for dropped file 26->78 80 Injects a PE file into a foreign processes 26->80 31 Adobe.exe 4 14 26->31         started        35 Adobe.exe 26->35         started        37 Adobe.exe 26->37         started        39 Adobe.exe 26->39         started        41 Adobe.exe 29->41         started        process12 dnsIp13 60 104.250.180.178, 49719, 49722, 7902 M247GB United States 31->60 62 geoplugin.net 178.237.33.50, 49724, 80 ATOM86-ASATOM86NL Netherlands 31->62 64 Writes to foreign memory regions 31->64 66 Maps a DLL or memory area into another process 31->66 43 recover.exe 14 31->43         started        46 recover.exe 31->46         started        48 recover.exe 31->48         started        50 recover.exe 31->50         started        signatures14 process15 signatures16 82 Tries to steal Mail credentials (via file registry) 43->82 84 Tries to harvest and steal browser information (history, passwords, etc) 43->84 86 Tries to steal Instant Messenger accounts or passwords 46->86 88 Tries to steal Mail credentials (via file / registry access) 46->88
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2025-03-11 10:27:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z5rwlp5w75daj2mbxku7vnvf6v6bihsyuucadwgcoovqfbclpw6q._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
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/250311-mg52razmz8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
104.250.180.178:7902
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/8e07967e-bee9-4b90-891b-0266a0b6ce23
Unpacked files
SH256 hash:
cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
MD5 hash:
4bc7c2f96f962e75fd0b5487bf1036fb
SHA1 hash:
959bb384579525ccb255eae18c36808ebfa41a51
Link:
https://www.unpac.me/results/5d0849f3-ded8-4c51-b464-9ed5445c221d/
SH256 hash:
de8c9e136cdee47f85a41376993c3384591a5444fe86b558d938f5126cd07c7e
MD5 hash:
b94f77c5ccefb69ea3f0e8473c253ee4
SHA1 hash:
1cec543b1679dfa17f70553dcc17d84b881b31ea
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/5d0849f3-ded8-4c51-b464-9ed5445c221d/
Parent samples :
b74ffc3b3d45094970d071d5af22cb7b8ebe5a67bc23347dd61f7ecafa2b9f85
6654e909452d713f3f51aa800e0633bbc63e859bb3f63f5c833273e516f1c3d3
cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
6436df943cf575aaa1f311c20b10650f6ebba35add1a45c1b736fe713949ac21
ea1a35ea870465623c9478c6a1afb90cdca0579189a45eda755afbe2cd9d022f
41415c1dab37487faf427095855fb66cafa150ae15b9c515234e1e0b5f733aa8
06c800d5feba73344681fe9f7fa2cf6606d18fc37cc0a84cbcce2e06fa6dd9f9
b6ae18a5eade4cdd5181289b7786f7c579f10161aba8753ac3e0042d1afff2d8
1587d0df87cff791bee9142151cd753acdc57571af58b7ce16a616afb92bac94
SH256 hash:
f6e208dbd8631cac4c61bbd86470a678fc1c55361c52b5bb74dff9846935786c
MD5 hash:
20817931b9818e57f472b6fe15aea26e
SHA1 hash:
96c91709547f37f370b5e56ea3b8d9b06fa9e7ac
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/5d0849f3-ded8-4c51-b464-9ed5445c221d/
Parent samples :
2055e5a5204986da592e72c27400034b4cc1c940acacd8c2a093861f3cde5e5a
78a5958d02189160abf7e588dada6295e444b6522a45b8f556878ff56058edbc
4816f58220b5e07a83eb4a918fe200eb7317472efee4f9f1b27ab3de2a01ff9e
f96d8c627027bb1530f7e499e6e86c8f6b1724a2edab6e4faeaf10fea74be0ae
65b7cf7ab546e94fad0cbce12c9756dcb2af4aa833943beffdfcc448e00e4449
f4048c147a758eb5413a885a12c69fa5cd1b61668ae668942bcb7892e7f62584
e8fa06add1e83397ada8e5d1816a8e9ae2b3f6e86ec3d4a1264436cee4a26e25
ff3d90e2170a8b7046ea85bebee200591bb79717ec62c062ab14f75d01d438f5
cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd
SH256 hash:
3fa58eb3b67202454d4b08ada01f96889d231a33e14b127406f62752cbfecd0e
MD5 hash:
e044f9bcbdf4b9f1e97a4793d093e53b
SHA1 hash:
f30f15177b8107528d391df67d12bd329d120d0d
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/5d0849f3-ded8-4c51-b464-9ed5445c221d/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cf6365bfb6ff/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/cf6365bfb6ff4604e981baa9fab6a5f57c141e58a50401d8c273ab02844b7dbd

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
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.

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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