MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf. 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: 18


Intelligence 18 IOCs YARA 35 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf
SHA3-384 hash: afe5d869f6d06f74af12c055d37f2aef27fb4ef54a0c62d6b32905998afa58c9ebf1710d1468785dcb1122c6f2b0cea9
SHA1 hash: 234c87b08a7f340950d4067141bfd10ba696e297
MD5 hash: 389fc0f3b5f8a868c2c23cd21ec99957
humanhash: mars-kitten-october-diet
File name:tdpzx.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:850'944 bytes
First seen:2024-04-09 09:46:37 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:tgCFGJAW8VOFylQyVfQKzbN8rYgrv9PlcjBZB:tgCFVW8VYyKyVYKfSFr4VZB
TLSH T1E105E14423FD6B2FE5BB17B7D57811104776B60A393EE60C09921AED0436B41C7A37AB
TrID 30.6% (.SCR) Windows screen saver (13097/50/3)
24.5% (.EXE) Win64 Executable (generic) (10523/12/4)
15.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.5% (.EXE) Win32 Executable (generic) (4504/4/1)
4.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter pr0xylife
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
401
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf.exe
Verdict:
Malicious activity
Analysis date:
2024-04-09 09:48:58 UTC
Tags:
rat remcos remote stealer keylogger
Link:
https://app.any.run/tasks/f08fec93-b69a-4098-9fdc-11e8795b5be3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66150e980b46b30369303842/reports/18638749-dbcc-44bf-85d0-03974a26970f/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/17ee34fe-070c-4f26-8919-c7ef851e4219
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1422861
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
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
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1422861 Sample: tdpzx.scr.exe Startdate: 09/04/2024 Architecture: WINDOWS Score: 100 25 psolver827.ddns.net 2->25 27 geoplugin.net 2->27 39 Multi AV Scanner detection for domain / URL 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 47 12 other signatures 2->47 8 tdpzx.scr.exe 3 2->8         started        signatures3 45 Uses dynamic DNS services 25->45 process4 signatures5 49 Contains functionality to bypass UAC (CMSTPLUA) 8->49 51 Tries to steal Mail credentials (via file registry) 8->51 53 Contains functionalty to change the wallpaper 8->53 55 6 other signatures 8->55 11 tdpzx.scr.exe 3 15 8->11         started        process6 dnsIp7 29 psolver827.ddns.net 91.92.244.185, 1974, 49730, 49731 THEZONEBG Bulgaria 11->29 31 geoplugin.net 178.237.33.50, 49732, 80 ATOM86-ASATOM86NL Netherlands 11->31 23 C:\ProgramData\28pdt\logs.dat, data 11->23 dropped 57 Detected Remcos RAT 11->57 59 Maps a DLL or memory area into another process 11->59 61 Installs a global keyboard hook 11->61 16 tdpzx.scr.exe 1 11->16         started        19 tdpzx.scr.exe 1 11->19         started        21 tdpzx.scr.exe 2 11->21         started        file8 signatures9 process10 signatures11 33 Tries to steal Instant Messenger accounts or passwords 16->33 35 Tries to steal Mail credentials (via file / registry access) 16->35 37 Tries to harvest and steal browser information (history, passwords, etc) 19->37
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf/
Threat name:
Win32.Trojan.Malgent
Create hunting rule
Status:
Malicious
First seen:
2024-04-09 09:47:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5flszh36ty4vajmdpphigt72k2kphht4ozdlpiyjxlko7yy25wxq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:28pdt collection rat spyware stealer
Link:
https://tria.ge/reports/240409-lr7gwsfc4s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
psolver827.ddns.net:1974
Unpacked files
SH256 hash:
cc2f6a62ed442c457163b5e4628bb5a48e1bd0dd6c6261758590e8b2acccb59e
MD5 hash:
5f9f5f84c36bdc5c35af34d93e49d539
SHA1 hash:
d9569a70b5be77105c48f6d7bcc64a8b46458f76
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/0d4d35f8-48d6-4b9b-92eb-599317ec6728/
Parent samples :
e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf
2320bdd2ef439c3c079ecf8c1c89ff9e8d2c20ed47f459c29186b00c476fa7d4
9942af44037bcfef5830dd71011bbd6ecc4c79c8bc1e62018eadc3ea4012e38a
61d36494c0c51a0c0a1fcad1f36c901a6debcc3c0061f2544a01c65c688e5c03
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
Link:
https://www.unpac.me/results/0d4d35f8-48d6-4b9b-92eb-599317ec6728/
SH256 hash:
865a863e92b7bdefd4f5ae05c09b857b49fd56349494f7296ec4727a8ed84d25
MD5 hash:
4e71648bf63362645579ea0cd78004d7
SHA1 hash:
bee1bdd35437824161fc1fc46ed1c5164e16ec6b
Detections:
MALWARE_Win_DLInjector02
Create hunting rule
Link:
https://www.unpac.me/results/0d4d35f8-48d6-4b9b-92eb-599317ec6728/
SH256 hash:
e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf
MD5 hash:
389fc0f3b5f8a868c2c23cd21ec99957
SHA1 hash:
234c87b08a7f340950d4067141bfd10ba696e297
Link:
https://www.unpac.me/results/0d4d35f8-48d6-4b9b-92eb-599317ec6728/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e9572c9f7e9e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule
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_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
Rule name:yara_template
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe e9572c9f7e9e395025837bce834ffa5694f39e7c7646b7a309bad4efe31aedaf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2805910/
  
Delivery method
Distributed via web download

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