MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d03674f0452d3be687784b62b84f2cb32e6d8dd59beaeccd1608b07cae1aef4f. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d03674f0452d3be687784b62b84f2cb32e6d8dd59beaeccd1608b07cae1aef4f
SHA3-384 hash: 03d1c248da881589bf6b329c7e885040ee6240377cd1af282b0d8ac657040583ca4c9c695336640a2b672dd51a9812b6
SHA1 hash: f15ac228bc00f92ad19fe58e971a0e6681dc4b00
MD5 hash: 315bc7890c391279834739e77167f0bc
humanhash: sweet-sad-football-single
File name:Factura Serfinanza_034578048428307_3170631_0418109729596478852_04603130_103428501791086170850_68326557_16011451263_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:275'968 bytes
First seen:2020-08-06 06:55:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:z06kQq9doPmIsn04bkNbSf1ANp/R4770mUo/u/kHOU:zTw9ys04xoJkkVsj
Threatray 787 similar samples on MalwareBazaar
TLSH 9B449C037A54F739D06D6E3B87DF291007B228D24973EA9BAE8DA98601146536D7333F
Reporter abuse_ch
Tags:exe Outlook RemcosRAT


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: NAM10-DM6-obe.outbound.protection.outlook.com
Sending IP: 40.92.41.31
From: Yeimy Alejandra Artunduaga <kenga2104@hotmail.com>
Subject: FACTURA EN MORA SERFINANZA.
Attachment: file.zip (contains "Factura Serfinanza_034578048428307_3170631_0418109729596478852_04603130_103428501791086170850_68326557_16011451263_pdf.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/40211/
Detection(s):
SecuriteInfo.com.Generic.mg.315bc7890c391279.6904.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/412363
Signature
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 258432 Sample: 1263_pdf.exe Startdate: 06/08/2020 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Detected Remcos RAT 2->56 58 4 other signatures 2->58 10 1263_pdf.exe 2 2->10         started        13 PXServiceNet.exe 2 2->13         started        15 PXServiceNet.exe 2 2->15         started        process3 signatures4 62 Contains functionality to steal Chrome passwords or cookies 10->62 64 Contains functionality to capture and log keystrokes 10->64 66 Contains functionality to inject code into remote processes 10->66 68 Contains functionality to steal Firefox passwords or cookies 10->68 17 1263_pdf.exe 4 5 10->17         started        20 1263_pdf.exe 10->20         started        22 1263_pdf.exe 10->22         started        24 PXServiceNet.exe 13->24         started        26 PXServiceNet.exe 13->26         started        28 PXServiceNet.exe 13->28         started        30 PXServiceNet.exe 15->30         started        32 PXServiceNet.exe 15->32         started        process5 file6 46 C:\Users\user\AppData\...\PXServiceNet.exe, PE32 17->46 dropped 48 C:\Users\...\PXServiceNet.exe:Zone.Identifier, ASCII 17->48 dropped 34 wscript.exe 1 17->34         started        process7 process8 36 cmd.exe 1 34->36         started        process9 38 PXServiceNet.exe 2 36->38         started        41 conhost.exe 36->41         started        signatures10 60 Machine Learning detection for dropped file 38->60 43 PXServiceNet.exe 2 4 38->43         started        process11 dnsIp12 50 recuperaciondecartera.website 186.169.56.143, 6790 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 43->50
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d03674f0452d3be687784b62b84f2cb32e6d8dd59beaeccd1608b07cae1aef4f/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 04:50:04 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2a3hj4cffu56nb3yjnrlqtzmwmxg3dovtpvoztiwbcyhzlq255hq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
13eaaf168207a5014c105532b6a23805fc6db28f73908914a4583979173cc254
RemcosRAT
2f07a5d8c1e6ac465e5d306b0fb8335aa41f3204b9bf9793337a849a93921a9a
RemcosRAT
314d26bc5fe146f5040c40b8c5b889e6e90cb0b22ec694564c1182d49c3bf950
RemcosRAT
397545efcbf53bebabdb003bbe9f8b619b7ffdd5383c21ecd9e99c6de3e3cd83
RemcosRAT
3bdfaf82d5d56f2546be44b3355f8d72cc0508984586e0fba3d704a5adabf7d1
RemcosRAT
64ba0f4265f9ed3f3f9315ee0256b360827074d5f898a7eb07ed98dd5f7fec7e
RemcosRAT
970ffc480d61b37737f34ddf738e257a99162cce8338f7c59fdd4ab995ae9dfc
RemcosRAT
b3ae13e392ebe3eec95949395786577344472af7588ed1db4577c597a417e8a4
RemcosRAT
c8c1e04edd5c422d065e27a3a73931d373de200419cd9ba649fdfadee686e5f2
RemcosRAT
d69aa1932b2e702e5065ee19da9fc9cf2b05e7dbaa617141b14eaa501a14955e
RemcosRAT
+ 777 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
persistence rat family:remcos
Link:
https://tria.ge/reports/200806-8xallq5vjs/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
recuperaciondecartera.website:6790
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/d03674f0452d3be687784b62b84f2cb32e6d8dd59beaeccd1608b07cae1aef4f

File information

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

Malspam

RemcosRAT

zip eebd107a39c23c8b61a8c2d2379e8f139461c93fd488060a775ea7678067bc74

RemcosRAT

Executable exe d03674f0452d3be687784b62b84f2cb32e6d8dd59beaeccd1608b07cae1aef4f

(this sample)

  
Dropped by
MD5 a6c6faef95c91e83ab297e9660748fb2
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/40211/
  
Dropped by
SHA256 eebd107a39c23c8b61a8c2d2379e8f139461c93fd488060a775ea7678067bc74

Comments