MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f31ca1220140f0489ddef71cf10ef3636537422acaefd6dd8d9199a942feb128. 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: 12


Intelligence 12 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f31ca1220140f0489ddef71cf10ef3636537422acaefd6dd8d9199a942feb128
SHA3-384 hash: dbcfc7d9da0f583b02310b22951b78a2b83ec4bd1152634c43d5081725322596970eab9ba6355320e844aacf3c1f3c86
SHA1 hash: e934a055526a6296edd10f86640f0a951b340793
MD5 hash: 4e978536a6dab5b80e2a30af20c04ac6
humanhash: muppet-sink-berlin-arkansas
File name:Fedex_Shipment_Arrival Notification-110122XXXXXXX6524426272538_document.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:695'296 bytes
First seen:2022-01-12 09:33:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bde167cf8df1adc0c2b4200514538bbb (2 x DBatLoader, 1 x RemcosRAT)
ssdeep 12288:gD83wKerWNXrVamcpAvir2tv0D9Isnvaq2fbAk66EncYR97Tu7dK+/3yjc4uBd8G:ewccXrVappAqrs0D9IsvaXbA/ci97J+Z
TLSH T189E4AF37F6D0C433D3635AB8BC4686E8A51ABED17C2884577AC47F1C5F79240B42A2A7
File icon (PE):PE icon
dhash icon 0f4cceadcc16694d (8 x RemcosRAT, 5 x NetWire, 5 x DBatLoader)
Reporter abuse_ch
Tags:exe FedEx RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
233
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Fedex_Shipment_Arrival Notification-110122XXXXXXX6524426272538_document.exe
Verdict:
Malicious activity
Analysis date:
2022-01-12 09:40:20 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/39005ac3-c5ae-4416-8d2e-c63b171bdaa9

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/218638/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Gathering data
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/c7371013-4665-4061-98e2-4fb8233cf904
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/918814
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 551292 Sample: Fedex_Shipment_Arrival Noti... Startdate: 12/01/2022 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 6 other signatures 2->45 6 Fedex_Shipment_Arrival Notification-110122XXXXXXX6524426272538_document.exe 1 17 2->6         started        11 Hldilotejl.exe 13 2->11         started        13 Hldilotejl.exe 13 2->13         started        process3 dnsIp4 27 rwrd.org 3.219.196.50, 443, 49750, 49751 AMAZON-AESUS United States 6->27 23 C:\Users\user\Contacts\Hldilotejl.exe, PE32 6->23 dropped 25 C:\Users\...\Hldilotejl.exe:Zone.Identifier, ASCII 6->25 dropped 47 Writes to foreign memory regions 6->47 49 Creates a thread in another existing process (thread injection) 6->49 51 Injects a PE file into a foreign processes 6->51 15 logagent.exe 2 6->15         started        53 Multi AV Scanner detection for dropped file 11->53 19 logagent.exe 11->19         started        21 logagent.exe 13->21         started        file5 signatures6 process7 dnsIp8 29 184.164.77.132, 49752, 54155 IOFLOODUS United States 15->29 31 Contains functionality to steal Chrome passwords or cookies 15->31 33 Contains functionality to inject code into remote processes 15->33 35 Contains functionality to steal Firefox passwords or cookies 15->35 37 Delayed program exit found 15->37 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f31ca1220140f0489ddef71cf10ef3636537422acaefd6dd8d9199a942feb128/
Threat name:
Win32.Backdoor.NetWiredRc
Create hunting rule
Status:
Malicious
First seen:
2022-01-11 10:53:24 UTC
File Type:
PE (Exe)
Extracted files:
47
AV detection:
33 of 42 (78.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6mokciqbidyerho664opcdxtmnstoqrkzlx5nxmnsgm2sqx6weua._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:janz11 persistence rat
Link:
https://tria.ge/reports/220112-lh7rascaf7/
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
184.164.77.132:54155
Unpacked files
SH256 hash:
5852f167948b3cf3fcd175ed0acc3cd43456ab0aecae4ac68121bde1906bcf39
MD5 hash:
bb66163c0a181098d801f3d6b775f73f
SHA1 hash:
fe4adcf4bf6146cac5b4eb192c99fc0cebba323b
Detections:
win_dbatloader_w0
Create hunting rule
Link:
https://www.unpac.me/results/b476aa8b-4d36-461d-95e3-696eb6d4bfff/
Parent samples :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 hash:
f31ca1220140f0489ddef71cf10ef3636537422acaefd6dd8d9199a942feb128
MD5 hash:
4e978536a6dab5b80e2a30af20c04ac6
SHA1 hash:
e934a055526a6296edd10f86640f0a951b340793
Link:
https://www.unpac.me/results/b476aa8b-4d36-461d-95e3-696eb6d4bfff/
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/f31ca1220140f0489ddef71cf10ef3636537422acaefd6dd8d9199a942feb128

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/218638/

Comments