MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7. 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: 15


Intelligence 15 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
SHA3-384 hash: 8b275f50f0d8549a1c7de49491d1b498890c7c9c01811acf01dae3cfe8228b8e5184bee0c060e910ff476a84b61a672e
SHA1 hash: 5f96959d3b6d857a3b3db8aae6831a79592fe636
MD5 hash: 23488e5ab378f0e8da359ea6be6c5765
humanhash: nine-double-west-montana
File name:Bkbymhaszjcizs.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:915'968 bytes
First seen:2025-07-27 12:37:30 UTC
Last seen:2025-08-12 14:35:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash bc6e82ee7e84228f9f9c6d17bb721341 (1 x RemcosRAT, 1 x AsyncRAT, 1 x DBatLoader)
ssdeep 24576:1rtPZjrTXnVaJjQJOGQl38aQiufsdSJh2Ix:1r51jnEt5uD2Ix
Threatray 179 similar samples on MalwareBazaar
TLSH T1C015B01FAE525837D12219744FE7B3E51829BE233E289DC66BF40E9C4F397517A28243
TrID 89.2% (.EXE) Win32 Executable Borland Delphi 7 (664796/42/58)
5.7% (.EXE) InstallShield setup (43053/19/16)
1.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
1.4% (.EXE) Win64 Executable (generic) (10522/11/4)
0.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon e8e0a2a4a2a088a0 (1 x RemcosRAT, 1 x AsyncRAT, 1 x DBatLoader)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://198.55.98.112/PHG9876545678009876546.z
Verdict:
Malicious activity
Analysis date:
2025-07-27 08:51:50 UTC
Tags:
arch-exec
Link:
https://app.any.run/tasks/726ca0b9-3d73-446a-be43-9d41b3b9b92e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/17143/
Detection(s):
Win.Trojan.Modiloader-10042434-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68861db50b4775fb2131fd68
Tags:
delphi emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Moving of the original file
Connection attempt to an infection source
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi explorer fingerprint keylogger lolbin overlay packed zero
Link:
https://www.filescan.io/uploads/68861db642dbe1175d42a1b1/reports/15b76552-1ec5-4bb9-b498-23d07af628a2/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f0e8189c-e4cd-4739-830b-581aa60fc2a3
Result
Threat name:
Remcos, DBatLoader
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1744935
Signature
Allocates many large memory junks
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Delayed program exit found
Detected Remcos RAT
Early bird code injection technique detected
Found malware configuration
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Remcos
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DBatLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1744935 Sample: Bkbymhaszjcizs.exe Startdate: 27/07/2025 Architecture: WINDOWS Score: 100 30 okserver29.com 2->30 32 geoplugin.net 2->32 54 Suricata IDS alerts for network traffic 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 6 other signatures 2->60 8 Bkbymhaszjcizs.exe 3 2->8         started        12 rundll32.exe 3 2->12         started        signatures3 process4 dnsIp5 34 okserver29.com 162.241.62.160, 49691, 49692, 80 UNIFIEDLAYER-AS-1US United States 8->34 62 Early bird code injection technique detected 8->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 8->64 66 Allocates memory in foreign processes 8->66 68 3 other signatures 8->68 14 SndVol.exe 2 15 8->14         started        19 schtasks.exe 1 8->19         started        21 Bkbymhas.exe 12->21         started        signatures6 process7 dnsIp8 36 198.12.126.169, 4445, 49693 AS-COLOCROSSINGUS United States 14->36 38 geoplugin.net 178.237.33.50, 49694, 80 ATOM86-ASATOM86NL Netherlands 14->38 28 C:\ProgramData\remcos\logs.dat, data 14->28 dropped 40 Detected Remcos RAT 14->40 42 Contains functionalty to change the wallpaper 14->42 44 Contains functionality to steal Chrome passwords or cookies 14->44 52 4 other signatures 14->52 23 conhost.exe 19->23         started        46 Early bird code injection technique detected 21->46 48 Allocates memory in foreign processes 21->48 50 Allocates many large memory junks 21->50 25 SndVol.exe 21->25         started        file9 signatures10 process11 signatures12 70 Detected Remcos RAT 25->70
Score:
85%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Link:
https://app.malva.re/file/23488e5ab378f0e8da359ea6be6c5765
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7/
Verdict:
Malicious
Threat:
Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
Threat name:
Win32.Trojan.DBatLoader
Create hunting rule
Status:
Malicious
First seen:
2025-07-27 05:51:05 UTC
File Type:
PE (Exe)
Extracted files:
119
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lbz2b3xye5xu4wgwf7rh465vy2f3g2yutpdxnh2j4jxx3r6m67lq._file
Verdict:
malicious
Label(s):
dbatloader
Create hunting rule
Similar samples:
07ab587c6f762a415886eadc48fa204667204aefe0823da1f66b8a652694f1a0
RemcosRAT
4308a4f09494d5d09cb8383c8032c665267d9c88d12c54e3a6ebbbed820df9f5
RemcosRAT
5786714851f963001c92fcacbda1172e700bb135a0cbde0beb9aad1c8a0ff301
RemcosRAT
5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
RemcosRAT
6ed930e66c11ce56d4dbfb657f505e7205a63f6b026357786006bb7762eac5d0
RemcosRAT
70a92cdcd65bad4c5ed38adf340d5123944acde22d94c44df7ee8178f778d761
RemcosRAT
870581d45e947b5012a6484f1af15ff5040008dca712ab3d30232f25d0b7f98b
RemcosRAT
a629a22b72ff8cc70d4623de7dff6d3bc59ffedc8a99f583c63c71bb8ece3056
RemcosRAT
c0b31e254a314acbbc363fcca03aff303c85aaa0b41f3c9feb8581e5678e7ea9
RemcosRAT
c63dee86806da2bd0061973cd65f45f3a9326a42e843b5a0a5824e73ebf5916d
RemcosRAT
error
RemcosRAT
+ 169 additional samples on MalwareBazaar
Result
Malware family:
modiloader
Create hunting rule
Score:
  10/10
Tags:
family:modiloader discovery execution persistence trojan
Link:
https://tria.ge/reports/250727-pt4essak7w/
Behaviour
Scheduled Task/Job: Scheduled Task
Script User-Agent
Suspicious behavior: RenamesItself
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
ModiLoader Second Stage
ModiLoader, DBatLoader
Modiloader family
Verdict:
Malicious
Tags:
Win.Trojan.Modiloader-10042434-0 Remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/87760de7-5bac-4a12-a4e7-297fbbb5ec85
Unpacked files
SH256 hash:
5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7
MD5 hash:
23488e5ab378f0e8da359ea6be6c5765
SHA1 hash:
5f96959d3b6d857a3b3db8aae6831a79592fe636
Link:
https://www.unpac.me/results/c8b848ad-7539-4fc8-9e88-cd90756e34fa/
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/5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7

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:BobSoftMiniDelphiBoBBobSoft
Create hunting rule
Author:malware-lu
Rule name:Borland
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked remcos malware samples.
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/exploring-the-ref2731-intrusion-set
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Malspam

RemcosRAT

Executable exe 5873a0eef8276f4e58d62fe27e7bb5c68bb36b149bc7769f49e26f7dc7ccf7d7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/17143/

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
shell32.dll::SHGetFileInfoA
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::GetFileAttributesA
kernel32.dll::FindFirstFileA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_TRUST_APIUses Windows Trust APIwintrust.dll::WinVerifyTrust
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::EmptyClipboard
user32.dll::FindWindowA
user32.dll::OpenClipboard
user32.dll::PeekMessageA

Comments