MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a. 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 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a
SHA3-384 hash: f73ca356c74cfb9eb0284d8d34f132b1b25d4caa3b24e8126ca9c4b110626b14290a3c4d1b3dec9e2d80fad16330fc3c
SHA1 hash: 1fa5a6bb6437d7181d6958029a76af6e6b476cb2
MD5 hash: 200baf298a45a7de94aeddf71322e1b9
humanhash: virginia-ohio-violet-single
File name:ap.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:992'256 bytes
First seen:2025-06-14 21:22:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:ExIZ5dBnU/J0byvZtMNaoMBCYUIiUVnSFMWR:4IZ5vwJ0oUaoKC8YM
TLSH T13C2512552389D502E8A75B742DB2E3B916B8DECCB902D317EEECBCEBBA363117504141
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 juroots
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
670
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Request for quotation.txt.lnk
Verdict:
Malicious activity
Analysis date:
2025-06-13 06:30:54 UTC
Tags:
remcos rat
Link:
https://app.any.run/tasks/1fb750e1-550a-45fe-807d-1327f5b04d2c

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/9506/
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684de8cf07b5e8c1cfe6d0c3
Tags:
micro spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
DNS request
Connection attempt
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected remcos vbnet
Link:
https://www.filescan.io/uploads/684de82ffd02ed5e05aabdb1/reports/6506383f-6bff-4d77-8706-e53d35973a9f/overview
Verdict:
Malicious
Labled as:
PasswordStealer.Genie8DN.Generic
Link:
https://www.hybrid-analysis.com/sample/ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/390bb179-cba1-4c78-9660-fbdbe5a3ed92
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1714795
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1714795 Sample: ap.exe Startdate: 14/06/2025 Architecture: WINDOWS Score: 100 52 wershishir.duckdns.org 2->52 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 64 10 other signatures 2->64 8 ap.exe 7 2->8         started        12 jFtysJAfWrEe.exe 5 2->12         started        signatures3 62 Uses dynamic DNS services 52->62 process4 file5 44 C:\Users\user\AppData\...\jFtysJAfWrEe.exe, PE32 8->44 dropped 46 C:\Users\...\jFtysJAfWrEe.exe:Zone.Identifier, ASCII 8->46 dropped 48 C:\Users\user\AppData\Local\...\tmp1297.tmp, XML 8->48 dropped 50 C:\Users\user\AppData\Local\...\ap.exe.log, ASCII 8->50 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Adds a directory exclusion to Windows Defender 8->68 70 Injects a PE file into a foreign processes 8->70 14 ap.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        28 2 other processes 8->28 72 Multi AV Scanner detection for dropped file 12->72 74 Contains functionalty to change the wallpaper 12->74 76 Contains functionality to steal Chrome passwords or cookies 12->76 78 3 other signatures 12->78 22 jFtysJAfWrEe.exe 12->22         started        24 schtasks.exe 12->24         started        26 MpCmdRun.exe 12->26         started        30 3 other processes 12->30 signatures6 process7 dnsIp8 54 wershishir.duckdns.org 216.250.253.8, 2429, 49712, 49714 AS-TIERP-19019US United States 14->54 80 Detected Remcos RAT 14->80 82 Loading BitLocker PowerShell Module 18->82 32 conhost.exe 18->32         started        34 WmiPrvSE.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-06-12 16:41:33 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5tfcoxpqv4unxpilbv2mb2xvwkizjs2sspy4zxjlvb7sanebquva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost discovery execution rat
Link:
https://tria.ge/reports/250614-z8qscsvwaz/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Remcos
Remcos family
Malware Config
C2 Extraction:
wershishir.duckdns.org:2429
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4ba025c7-87e4-4e57-9bfc-46c1c687312b
Unpacked files
SH256 hash:
ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a
MD5 hash:
200baf298a45a7de94aeddf71322e1b9
SHA1 hash:
1fa5a6bb6437d7181d6958029a76af6e6b476cb2
Link:
https://www.unpac.me/results/a037912e-1cd0-4a1e-841d-73c487dac70f/
SH256 hash:
283e3968984b492602336e4de734868dc86c4670a97f1902e824165d70e3a9b3
MD5 hash:
48701ba45d9ed26431ce9b746b469a22
SHA1 hash:
12698ec209e6d4287ae10cc7b5c9d59df3d95a15
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/a037912e-1cd0-4a1e-841d-73c487dac70f/
SH256 hash:
17aaca853328a5ec7f9690a64ae698993b5582d2e5d715337e4aa441fb696462
MD5 hash:
14ab5a7beaeb51fbf38d47a0cfd371aa
SHA1 hash:
58572c4b4854d1d7a933816681ff24b5536c2899
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/a037912e-1cd0-4a1e-841d-73c487dac70f/
SH256 hash:
96e9950cf67974cb77800bfde13101e99a4e42f3cb9d72c3bc23231d84556f43
MD5 hash:
c779c93bc76b82192b8b4e404bc057f3
SHA1 hash:
a66b3d25c0e0fa462bb97091591002a43c89b887
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/a037912e-1cd0-4a1e-841d-73c487dac70f/
Parent samples :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 family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecca275df0af/report/overview.html
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/ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a

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: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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
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_RAT_variants
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)
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.

Web download

RemcosRAT

Executable exe ecca275df0af28dbbd0b0d74c0eaf5b29194cb5293f1ccdd2ba87f203481852a

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/9506/
  
URLhaus
https://urlhaus.abuse.ch/url/3562301/
  
Delivery method
Distributed via web download

Comments