MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed. 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: 19


Intelligence 19 IOCs 1 YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed
SHA3-384 hash: c07993f690b3da75af1b9f40791ea4a66d5be93ff6e7d100e3348ddedc535a7f8d42480a95f1f4643cfdad0625237d10
SHA1 hash: 400cb8b0c808a05b2f232fcb66b55546de44c44f
MD5 hash: dec4bc4e6ad93f45555be5c37b2f2803
humanhash: spring-yankee-carbon-earth
File name:SecuriteInfo.com.Win32.DropperX-gen.18777.24979
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'114'624 bytes
First seen:2025-03-04 05:17:22 UTC
Last seen:2025-03-04 08:48:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9p5F7AK5F7mTGj7O72ieQUWXqqgK0BjGjT:vvEKviTGqNX+g
TLSH T1CC35F198D944C542DD682B752632FD38136B3EA9BC74920E8FCD7CB7BAB75930831582
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 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
195.211.191.157:1987 https://threatfox.abuse.ch/ioc/1438774/

Intelligence

File Origin
# of uploads :
2
# of downloads :
527
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.DropperX-gen.18777.24979
Verdict:
Malicious activity
Analysis date:
2025-03-04 05:24:15 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/252be130-9154-4651-9985-ecd5b59367ca

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.18777.24979.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67c68db1c668b65489bede12
Tags:
crypted virus msil
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
Connection attempt
Setting a keyboard event handler
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/67c68d193c5f644bd941a789/reports/62a0bc20-c327-42b7-8adc-a99a31ed4e5e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed
Result
Verdict:
SUSPICIOUS
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/5c98b1c6-d230-4e6b-8fb0-b31769bfab93
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1628811
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1628811 Sample: SecuriteInfo.com.Win32.Drop... Startdate: 04/03/2025 Architecture: WINDOWS Score: 100 49 geoplugin.net 2->49 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 10 other signatures 2->67 8 SecuriteInfo.com.Win32.DropperX-gen.18777.24979.exe 7 2->8         started        12 NQgZkJtk.exe 5 2->12         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming39QgZkJtk.exe, PE32 8->39 dropped 41 C:\Users\...41QgZkJtk.exe:Zone.Identifier, ASCII 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmp5EBF.tmp, XML 8->43 dropped 45 SecuriteInfo.com.W...18777.24979.exe.log, ASCII 8->45 dropped 69 Uses schtasks.exe or at.exe to add and modify task schedules 8->69 71 Adds a directory exclusion to Windows Defender 8->71 73 Injects a PE file into a foreign processes 8->73 14 SecuriteInfo.com.Win32.DropperX-gen.18777.24979.exe 4 15 8->14         started        19 powershell.exe 22 8->19         started        21 powershell.exe 23 8->21         started        23 schtasks.exe 1 8->23         started        75 Multi AV Scanner detection for dropped file 12->75 77 Contains functionality to bypass UAC (CMSTPLUA) 12->77 79 Contains functionalty to change the wallpaper 12->79 81 3 other signatures 12->81 25 NQgZkJtk.exe 12->25         started        27 schtasks.exe 12->27         started        signatures6 process7 dnsIp8 51 195.211.191.157, 1987, 49706, 49708 PITLINE-ASUA Ukraine 14->51 53 geoplugin.net 178.237.33.50, 49713, 80 ATOM86-ASATOM86NL Netherlands 14->53 47 C:\ProgramData\remcos\logs.dat, data 14->47 dropped 55 Detected Remcos RAT 14->55 57 Installs a global keyboard hook 14->57 59 Loading BitLocker PowerShell Module 19->59 29 WmiPrvSE.exe 19->29         started        31 conhost.exe 19->31         started        33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Suspicious
First seen:
2025-03-04 05:05:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=edpdfcoyziz3nne5u2okfz4uh3urvlmqnuq4yumypeab33iv33wq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
loader_037
Create hunting rule
Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host discovery execution rat
Link:
https://tria.ge/reports/250304-fzd8essjw7/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
195.211.191.157:1987
Verdict:
Malicious
Tags:
remcos
YARA:
n/a
Link:
https://app.threat.zone/submission/af4b536b-ce18-4c23-90cb-870ebab7cf6d
Unpacked files
SH256 hash:
20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed
MD5 hash:
dec4bc4e6ad93f45555be5c37b2f2803
SHA1 hash:
400cb8b0c808a05b2f232fcb66b55546de44c44f
Link:
https://www.unpac.me/results/cf406e15-3e30-4ffe-bc89-25547455c614/
SH256 hash:
4ba0bf4e66a92744b7ed8f07c2cca7a2e54b97c998dbc633fe754bb01eefb50d
MD5 hash:
61532c45900a8ca4ac8ef7561c33eb36
SHA1 hash:
61ec38cdf46e770945265176566e47f34128398a
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/cf406e15-3e30-4ffe-bc89-25547455c614/
SH256 hash:
b0ec665e61bb75dd5d4e5dc1b1194038e7460118238af41502f50c4f961cec80
MD5 hash:
8f97c941453591a3bb10b22425ab9dbc
SHA1 hash:
846820c3c30b47d4438e8f5ce0249126a4a892aa
Link:
https://www.unpac.me/results/cf406e15-3e30-4ffe-bc89-25547455c614/
SH256 hash:
eefcc80869dafd915aed6d3e0329f68cafc5e98dc52c0f4b4ae989acd45acda2
MD5 hash:
7c4f1b8d6ccbc17f8861470837954560
SHA1 hash:
a0699230f0d27ed66385253f88a5e35c655d8478
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_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/cf406e15-3e30-4ffe-bc89-25547455c614/
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/20de3289d8ca33b6b49da69ca2e7943ee91aad906d21cc519879001ded15deed

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Remcos_unpacked_PulseIntel
Create hunting rule
Author:PulseIntel
Description:Remcos Payload
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.

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 (GUARD_CF)high

Comments