MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
SHA3-384 hash: dcac7228c24dc20065158dc5ca38482a0692b8bb2f5833eb695d08ec9f7e19b6cd79b86199215cb9d0c894e2cc03a539
SHA1 hash: bcbca5242e29545ef7f74225c123079fcf470222
MD5 hash: 07e3171d7edefce7101c763edca79f8f
humanhash: cup-river-fourteen-saturn
File name:8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:803'840 bytes
First seen:2025-08-12 14:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ef471c0edf1877cd5a881a6a8bf647b9 (83 x Formbook, 33 x Loki, 31 x Loda)
ssdeep 12288:aOv5jKhsfoPA+yeVKUCUxP4C902bdRtJJPis4+DCQx3FTnmi9V6o6oa4X0QC9jb:aq5TfcdHj4fmbyARmija4XNm
Threatray 4'106 similar samples on MalwareBazaar
TLSH T1A30523416489CC61FEA13339C03ECE9819E4BA72DE94271D1B86FA5FF472653046B23E
TrID 33.9% (.EXE) UPX compressed Win32 Executable (27066/9/6)
33.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
13.1% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.6% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
47
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SMTP[1].eml (1).tgz
Verdict:
Malicious activity
Analysis date:
2025-07-28 06:38:20 UTC
Tags:
arch-doc arch-email arch-exec susp-attachments attachments attc-unc
Link:
https://app.any.run/tasks/2f94b83b-e34d-4ad6-8f72-4d0371e97fb9

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/20757/
Detection(s):
Win.Dropper.NetWire-9805049-0
Create hunting rule

SecuriteInfo.com.W32.Trojan.VORE-2106.1542.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=689b55eefca70bd90e8f1781
Tags:
autorun spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
Forced shutdown of a system process
Connection attempt 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:
autoit compiled-script evasive fingerprint lolbin microsoft_visual_cc netsh netwire packed packed packed remcos threat upx
Link:
https://www.filescan.io/uploads/689b6c60a67ac4b37a4e2920/reports/fdb37c6b-578f-4570-b3e0-5817659c7a4f/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e8edcafa-0aeb-4db9-88e7-678c334178b6
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4/
Verdict:
Malicious
Threat:
VHO:Backdoor.Win32.Remcos
Link:
https://tip.neiki.dev/file/8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2025-07-28 08:06:00 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwl5z2gpeyjpxfo5rj6cdlmrdkbcz6taqrrsnofnfsmbozsxjo2a._file
Verdict:
malicious
Label(s):
autoit
Create hunting rule
unc_loader_036
Create hunting rule
remcos
Create hunting rule
Similar samples:
030c48a58af9aaedb36b7a2865c0862e4e6a9a63a8462a0cdf961da03666e933
RemcosRAT
09ed77b7dcd2dcff435a3c045a419e82671ee6e4cefb1a988e52f4266ee970cb
RemcosRAT
200eca54c7f6341b7df45fda4062dfd87c141ce38325adebf1bd79f1a4615d8e
RemcosRAT
3c21819ed32b31c231e20b51b1f956e4160a7b8dbfe7468b096ce64b4b138007
RemcosRAT
6981d8702172dc39f302bdeb4917c0eb49f7c37b2a90bee41f64ccecc7e9497d
RemcosRAT
ac86ab0e9745e0fbbbd19519fa9d9f7898928cdd99e985475a5aa4fde0c832f4
RemcosRAT
ae016e4375fd5a26f3a6694090d6d4acdef0ad2e1a6b655245edaba423326207
RemcosRAT
+ 4'096 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery rat upx
Link:
https://tria.ge/reports/250812-tykwgaer21/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
UPX packed file
Drops startup file
Executes dropped EXE
Remcos
Remcos family
Malware Config
C2 Extraction:
198.12.126.169:4445
Verdict:
Malicious
Tags:
Win.Dropper.NetWire-9805049-0 Remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/3ca2719a-624a-4d55-ab79-e9c19a565631
Unpacked files
SH256 hash:
8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
MD5 hash:
07e3171d7edefce7101c763edca79f8f
SHA1 hash:
bcbca5242e29545ef7f74225c123079fcf470222
Link:
https://www.unpac.me/results/e83da5c9-7996-41c9-a7ff-945902091655/
SH256 hash:
f2a6c7220f1d2f222a426091e27c4f8d582aeb50308ef6fdf762db464b632ceb
MD5 hash:
3772648018555a652f20b1c22fbb8756
SHA1 hash:
85befe25daaad507e5d2e2b7ae9e88b5554fd32b
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/e83da5c9-7996-41c9-a7ff-945902091655/
Parent samples :
49c288bdd977b430764c2067d4e25cb45dbbfb55105a080458af03221e776f63
8d97dce8cf2612fb95dd8a7c21ad911a822cfa60846326b8ad2c981766574bb4
SH256 hash:
85cc60b0167c18838868d6c07b986ae95e2523db07a51b10a4bcea3987d86af8
MD5 hash:
f5a6b0d0f8a2e849f343f9556a30ef1d
SHA1 hash:
62b3a2f3864a4c09ea7ade8963fceaaaeb8a49ea
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/e83da5c9-7996-41c9-a7ff-945902091655/
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: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: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)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9
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.

Cape
Cape
https://www.capesandbox.com/analysis/20757/

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AddAce
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA
WIN_NETWORK_APISupports Windows NetworkingMPR.dll::WNetUseConnectionW

Comments