MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86a9d7bbfd120217bd27921cdf336aef9d11ab5c1b2d4a247cbff4f2968e0c4a. 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: 16


Intelligence 16 IOCs YARA 30 File information Comments

SHA256 hash: 86a9d7bbfd120217bd27921cdf336aef9d11ab5c1b2d4a247cbff4f2968e0c4a
SHA3-384 hash: 8ef9fead75667084e90cdcb7d366e3d8984d82ca7cb316c0627aca49f48b8366974e24c7bc48865987f54309aed45980
SHA1 hash: 2ceb989dfe1401c7783129e1d19c461310ab12b0
MD5 hash: 264bcfa559c722a3f321083cbd500cf2
humanhash: river-louisiana-cat-nine
File name:86a9d7bbfd120217bd27921cdf336aef9d11ab5c1b2d4a247cbff4f2968e0c4a
Download: download sample
Signature RemcosRAT
File size:1'260'032 bytes
First seen:2026-08-10 13:32:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'191 x AgentTesla, 20'339 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:/nLQ4qNBq4S+Ekfmetc8yZzAEJjk5LwpRjLE4ZbBHFZes20Yfm:/LQ4qbvdJme28mzxJI5LyM6/eFDm
TLSH T1E9452354A7D8D12AC8A2833827B5E23054753E4DF635C334CFDCBC9BBB65B8598A0B85
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon 0000000000000000 (907 x AgentTesla, 569 x Formbook, 316 x RedLineStealer)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a service
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Connection attempt to an infection source
Sending a TCP request to an infection source
Query of malicious DNS domain
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-01T02:03:00Z UTC
Last seen:
2026-08-11T02:35:00Z UTC
Hits:
~100
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2026-07-01 05:21:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 36 (63.89%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Family: Remcos
Malware Config
C2 Extraction:
noip.epifaniastudio.com.br:2404
Unpacked files
SH256 hash:
86a9d7bbfd120217bd27921cdf336aef9d11ab5c1b2d4a247cbff4f2968e0c4a
MD5 hash:
264bcfa559c722a3f321083cbd500cf2
SHA1 hash:
2ceb989dfe1401c7783129e1d19c461310ab12b0
SH256 hash:
59dad66b983788b5010a43080a28ce7a26a33b329fe0205c49a599b66d61ee8f
MD5 hash:
c5386620c1bec9664de1a438ad8f1e32
SHA1 hash:
2bdaabec23ee27e5c6f1c43df38c3ebdd7c7b1b6
SH256 hash:
343f08a6ee218ddfbb79eaea1c9abf5bcbee11cabf55f21262bf8431a137e669
MD5 hash:
5166a98a4712fc6a73efe71af19b289f
SHA1 hash:
57ddd562c4ac1e9e9919fc631112c9fe779bd99d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Remcos_unpacked_PulseIntel
Author:PulseIntel
Description:Remcos Payload
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
Author:CYFARE
Description:Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:https://cyfare.net/
Rule name:VECT_Ransomware
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.
Rule name:Windows_Trojan_Remcos_921ef449
Author:Elastic Security
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Author:Matthew @ Embee_Research

File information


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

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