MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c. 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: bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
SHA3-384 hash: fb05f49bb6a2ca3005dfd5db064d370c5e83d2df6cc7affcd620552654ab7b15f0bd7a972bc5ad6e952c2481d3e541af
SHA1 hash: 253820d4714de3f45755292c379d0374312da8f3
MD5 hash: 08fa7ec906c84015b76d12ae9912343f
humanhash: cat-ink-fix-zulu
File name:bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:996'864 bytes
First seen:2025-10-10 06:29:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:RoUFPoXWVHytGb4bAJdIIp5+5AfnojR3wW1Vik:huXkmAD5+5AfoRgTk
Threatray 1'552 similar samples on MalwareBazaar
TLSH T14E2512153366C906E4766FF40970E37417B9BE89B920D3075EE26CEB383ABD059A0397
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c.exe
Verdict:
Malicious activity
Analysis date:
2025-10-10 06:50:19 UTC
Tags:
rat remcos auto-sch-xml
Link:
https://app.any.run/tasks/6bdaf883-e047-48fb-9c2b-520a2b2ac3dc

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/32039/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68e8a8928b7b147cc4b6893d
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
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
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm darkcloud evasive obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68e8ab4e71883144ef2fe5b3/reports/91a82f70-b08d-4562-b973-579304a423fc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-15T03:17:00Z UTC
Last seen:
2025-10-07T00:47:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic Trojan.MSIL.Taskun.sb Trojan-Dropper.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb HEUR:Trojan-PSW.MSIL.Agensla.gen HEUR:Trojan.MSIL.Taskun.sb
Link:
https://opentip.kaspersky.com/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c/results?tab=lookup
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/94f679df-2db2-4846-af2d-26d23f32a66e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.44 Win 32 Exe x86
Link:
https://app.malva.re/file/08fa7ec906c84015b76d12ae9912343f
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c/
Verdict:
Malicious
Threat:
Family.REMCOS
Link:
https://tip.neiki.dev/file/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-09-15 06:32:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xrnitjsa5jgq2qosgnlknt4no5mii2ae3zcnto2r5vzlesmhcfoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_078
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
0e8a65014a105a1bde2ea8dae1807fdc3af1ea7eb4eb9d826f4324dea761c940
RemcosRAT
1ae20fe3e70a52e2067176af2c1119d659821627966a1b79b7f318f16001f473
RemcosRAT
63a69e11aa736dccc7f23c50bc99831cb96b5ae51c59b84a144b974a4002905a
RemcosRAT
7374b6aba965250d86fcf68583ccbfa80de235a7fa613d9ccecede6e1e4552eb
RemcosRAT
ead9f443d43e6c9548964721edbf937b1cdf9b5d6126682714de2aba4a086078
RemcosRAT
error
RemcosRAT
+ 1'542 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos defense_evasion discovery execution persistence rat trojan
Link:
https://tria.ge/reports/251010-hkaykagn9x/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
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
System policy modification
Browser Information Discovery
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
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
UAC bypass
Malware Config
C2 Extraction:
37.120.153.92:2467
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e7f7d20e-80b8-4cd9-ab0d-8d11913d634d
Unpacked files
SH256 hash:
bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
MD5 hash:
08fa7ec906c84015b76d12ae9912343f
SHA1 hash:
253820d4714de3f45755292c379d0374312da8f3
Link:
https://www.unpac.me/results/98c48ecf-2525-4d05-bc06-e98ae0eb94ee/
SH256 hash:
1f12b87fa11ee6779f8664ca865cc96f66a7ac974094f108d535b15694a90d8e
MD5 hash:
fa4e0c0db69d84a9eaff5e3e2262376d
SHA1 hash:
0408018f315eab52e53609f0e7ed532ec971648d
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/98c48ecf-2525-4d05-bc06-e98ae0eb94ee/
Parent samples :
1ae20fe3e70a52e2067176af2c1119d659821627966a1b79b7f318f16001f473
7374b6aba965250d86fcf68583ccbfa80de235a7fa613d9ccecede6e1e4552eb
c9b4ee64d9840dcdb67838be8f0d20b5da198ca3a2b14caaa3bfb310fd13d258
5fac2e7ec5ba06bc16de58cd19856c93100d2e5bdb831c3da07f602611437602
bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c
c71f6f92ce9625d66c82d03fd63c2fb8b0b7af2a3f3c8ca0c7f2b7e77ecdc636
SH256 hash:
f64e28802f61f111c5d092707ebaf5c4e4b41255b0a696bdc6fdd8284dcdf540
MD5 hash:
3d90d9a63be04f1c39ed4cb207d6fb42
SHA1 hash:
559a54dcf24d87a3ab93e3a94c7ca068790bd527
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/98c48ecf-2525-4d05-bc06-e98ae0eb94ee/
SH256 hash:
b2ac00d97c373c7efe7b9a54ce8b9f8b317ef919f29c45e3cdcfac3545674800
MD5 hash:
3d4e92fe67d6c1780f213fd51c36df1f
SHA1 hash:
8285892de43aa6bf4fd6bb52d05c937095c7b1be
Link:
https://www.unpac.me/results/98c48ecf-2525-4d05-bc06-e98ae0eb94ee/
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/bc5a89a640ea4d0d41d23356a6cf8d7758846804de44d9bb51ed72b24987115c

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.

Cape
Cape
https://www.capesandbox.com/analysis/32039/

Comments