MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
SHA3-384 hash: f7f274f6155e2cff0d0f95f450b40af480ef5e39e181174f3298f66ba7215c0177189d98c8268c5d976a020007e4d01b
SHA1 hash: 8755b81b0ef70a0bdfbb7e56eaa55a7793ed5fa9
MD5 hash: 7790e186c0ebb6f5578cc0da707755a9
humanhash: mockingbird-enemy-nitrogen-fillet
File name:b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'022'976 bytes
First seen:2025-07-07 15:09:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:IenbXC3hG8XMVFdck+8kdtDMWJ/DOg9ZNSIgCmqyI9x0ylCM:IEbC1MvWKkdtoWJ7OuDICDDblC
TLSH T1EE2512A6B897DCC2D4262FB04C73C27445643FCE8C72D68A7AEA3D1F3A32352650755A
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
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13238/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686be3a4900df8e7f8685325
Tags:
virus spawn lien msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Setting a keyboard event handler
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ba1787f-14f4-4689-a480-8c5613dac00d
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.07 Win 32 Exe x86
Link:
https://app.malva.re/file/7790e186c0ebb6f5578cc0da707755a9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2025-06-26 03:29:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wwf346xtyirhskqiisi7u6vp45r2rsggbn3zlmnqnqabdyeh2i6a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection discovery execution persistence rat spyware stealer
Link:
https://tria.ge/reports/250707-sj9qlswwg1/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Remcos family
Malware Config
C2 Extraction:
185.156.175.35:42827
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ce03224b-11c8-4d32-b7e2-8cef6ee025a2
Unpacked files
SH256 hash:
b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
MD5 hash:
7790e186c0ebb6f5578cc0da707755a9
SHA1 hash:
8755b81b0ef70a0bdfbb7e56eaa55a7793ed5fa9
Link:
https://www.unpac.me/results/1d6cdec3-434e-4741-bdc2-91a04bcbb6a2/
SH256 hash:
8f142a08158b6de85cbef51bc72038a077d9b70a79e03a887f3de0f0df4d8eb4
MD5 hash:
aa52864a9a62423817b09e2449510aed
SHA1 hash:
23529f5d4aceb39c85fc0c7e8cd45bbb0c1053cb
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_EventViewer
Create hunting rule
Link:
https://www.unpac.me/results/1d6cdec3-434e-4741-bdc2-91a04bcbb6a2/
Parent samples :
5548d5924c918833871e6e6d4d8d3c3647b10907a7618588f97d4d029671de67
b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c
38bea9d33c9abedb0a1d3cb21b492de123247a0b07647cd0e04ad2ba47fef2dd
SH256 hash:
91acd2a97c7aba983c81b3fda169caaf7daa682057cb3e5e8c341fedce45fda8
MD5 hash:
4635ac2207b4e0fef067be869fa55c13
SHA1 hash:
2dce4f8c6edaf5d589a96f2dd4f9300c94a26716
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/1d6cdec3-434e-4741-bdc2-91a04bcbb6a2/
SH256 hash:
16b286e265bf73d9306fdcf18b6af9aa68bcd5322cb250cb66b1b14a220c88d6
MD5 hash:
9d1364afa57b30b1f4eea413809f2d08
SHA1 hash:
66bc8a0b0e37e21dbb5fe5a2050e2522391067e1
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/1d6cdec3-434e-4741-bdc2-91a04bcbb6a2/
Parent samples :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 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/b58bbe7af3c222792a084491fa7aafe763a8c8c60b7795b1b06c0011e087d23c

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: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/13238/

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

Comments