MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cde072db2b4374550769689ef072dba357436e36d2e75c1398d24896e0deaeb1. 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: 11


Intelligence 11 IOCs 1 YARA 10 File information Comments

SHA256 hash: cde072db2b4374550769689ef072dba357436e36d2e75c1398d24896e0deaeb1
SHA3-384 hash: 63f0348ed9cbd2ed6b8d4c8cb4711c5ceb3a196edb7a452e9e69d3c1a05ebf8087ef1fe28e370fb59c7769d1a638ffc8
SHA1 hash: 93c92695574540ac6f927818ea2814e614b44c9b
MD5 hash: 78ae2bb47e68026583b48b2f93c7c00d
humanhash: sodium-illinois-early-quebec
File name:Factura Serfinanza049997609832517851274630184.exe
Download: download sample
Signature RemcosRAT
File size:1'921'024 bytes
First seen:2021-05-03 00:05:14 UTC
Last seen:2021-05-03 01:25:59 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 3072:7Ry57fNFtZVQJ+ODFqBQoFD+8cUlbGZ1KwLTHoia6riP/462uO4foE6Y/cd65pFk:79W08DIWYM
Threatray 1'743 similar samples on MalwareBazaar
TLSH B2956BA0B2CBE468F3B7AF697084B7E3631FB73B553D725810A152383E58214A554FAC
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
186.169.72.174:3521

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
186.169.72.174:3521 https://threatfox.abuse.ch/ioc/28069/

Intelligence


File Origin
# of uploads :
3
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Deleting a recently created file
DNS request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Found malware configuration
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 402288 Sample: Factura Serfinanza049997609... Startdate: 03/05/2021 Architecture: WINDOWS Score: 100 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Detected Remcos RAT 2->80 82 12 other signatures 2->82 11 Factura Serfinanza049997609832517851274630184.exe 3 2->11         started        14 PxxoServicesTrialNet1.exe 2->14         started        16 PxxoServicesTrialNet1.exe 2->16         started        process3 file4 92 Hides threads from debuggers 11->92 94 Injects a PE file into a foreign processes 11->94 19 Factura Serfinanza049997609832517851274630184.exe 4 5 11->19         started        22 cmd.exe 1 11->22         started        24 WerFault.exe 24 9 11->24         started        26 cmd.exe 14->26         started        28 PxxoServicesTrialNet1.exe 14->28         started        30 PxxoServicesTrialNet1.exe 14->30         started        32 WerFault.exe 14->32         started        66 C:\Users\...\PxxoServicesTrialNet1.exe.log, ASCII 16->66 dropped 34 cmd.exe 16->34         started        signatures5 process6 file7 68 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 19->68 dropped 70 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->70 dropped 36 wscript.exe 1 19->36         started        38 conhost.exe 22->38         started        40 timeout.exe 1 22->40         started        42 conhost.exe 26->42         started        44 timeout.exe 26->44         started        46 conhost.exe 34->46         started        process8 process9 48 cmd.exe 1 36->48         started        process10 50 PxxoServicesTrialNet1.exe 3 48->50         started        53 conhost.exe 48->53         started        signatures11 84 Multi AV Scanner detection for dropped file 50->84 86 Contains functionalty to change the wallpaper 50->86 88 Machine Learning detection for dropped file 50->88 90 4 other signatures 50->90 55 PxxoServicesTrialNet1.exe 50->55         started        58 cmd.exe 50->58         started        60 WerFault.exe 50->60         started        process12 dnsIp13 72 databasepropersonombrecomercialideasearchwords.services 186.169.72.174, 3521, 49712 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 55->72 62 conhost.exe 58->62         started        64 timeout.exe 58->64         started        74 192.168.2.1 unknown unknown 60->74 process14
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2021-05-03 00:06:12 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos persistence rat
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3521
Unpacked files
SH256 hash:
6ad98a4456e4bdb562a22f781c25477780952a5be6c40cc369c39634419ddce4
MD5 hash:
b69b9ed93880d1b09a4ddd5bac4fd3f6
SHA1 hash:
7c6a2da84bd0675aae75544ad1d53d6e2fed7593
SH256 hash:
d3b4be3ebe66434a1ce7c4b152bf999447f10eb435d8b74184cc88dba835b8ae
MD5 hash:
fbba6b52200f6c2396cf5f4a6861dacb
SHA1 hash:
bea73e995fe6f6ff30af9f08e6bad8308d236b4d
Detections:
win_remcos_g0 win_remcos_auto
SH256 hash:
cde072db2b4374550769689ef072dba357436e36d2e75c1398d24896e0deaeb1
MD5 hash:
78ae2bb47e68026583b48b2f93c7c00d
SHA1 hash:
93c92695574540ac6f927818ea2814e614b44c9b
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:ach_RemcosRAT
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments