MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6
SHA3-384 hash: f6469bd348855950704045111b4344b72c4aa39b45860f00602ed1ead46356daa742dec94c65c631dda27d9699f5feec
SHA1 hash: 998b311677f02cc88b9f751be7104bdd79d8343b
MD5 hash: ea10ffb56ac31029eb0dc95dbc594bc1
humanhash: football-aspen-lithium-johnny
File name:08-06-2022_PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:480'979 bytes
First seen:2022-06-08 14:34:12 UTC
Last seen:2022-06-08 20:26:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dd1742eadfc6df18ded3c26ae64ad610 (31 x Formbook, 5 x RemcosRAT, 3 x AgentTesla)
ssdeep 12288:uVlg/dgI5/V11cvnzb8JTGwS0xfMAiTpX+BUYCi0q:Yl7I5t1CX8xGw1xf+X+BUK
TLSH T194A4230DE9C698F7E5239BB014F3A6BBB673F31484816E53479D5F2B61819DACE000B2
TrID 92.9% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133)
3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.EXE) Win64 Executable (generic) (10523/12/4)
0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 64f4d4d4ecf4d4d4 (82 x SnakeKeylogger, 34 x AgentTesla, 24 x Formbook)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
08-06-2022_PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-06-08 18:50:26 UTC
Tags:
installer remcos
Link:
https://app.any.run/tasks/de426140-22cd-4f84-b037-bad8745b6999

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/277813/
Detection(s):
SecuriteInfo.com.Variant.Tedy.137395.29710.30107.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/62a0b37c824d74ef94f95748/reports/5b056b5c-fe52-4cba-88c5-d452817a1a97/overview
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/082d8a5d-4f93-4088-9cbd-f4dae4fcbe35
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1009113
Signature
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 641607 Sample: 08-06-2022_PDF.exe Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 Yara detected Remcos RAT 2->51 53 3 other signatures 2->53 7 08-06-2022_PDF.exe 18 2->7         started        10 oylylxfoae.exe 2->10         started        13 oylylxfoae.exe 2->13         started        process3 file4 29 C:\Users\user\AppData\Local\Temp\tfwqfa.exe, PE32 7->29 dropped 15 tfwqfa.exe 1 2 7->15         started        55 Antivirus detection for dropped file 10->55 19 WerFault.exe 3 10 10->19         started        22 WerFault.exe 10->22         started        24 WerFault.exe 10 13->24         started        signatures5 process6 dnsIp7 31 C:\Users\user\AppData\...\oylylxfoae.exe, PE32 15->31 dropped 39 Antivirus detection for dropped file 15->39 41 Multi AV Scanner detection for dropped file 15->41 43 Contains functionality to steal Chrome passwords or cookies 15->43 45 2 other signatures 15->45 26 tfwqfa.exe 2 13 15->26         started        33 192.168.2.1 unknown unknown 19->33 file8 signatures9 process10 dnsIp11 35 172.94.127.61, 49743, 5888 AMANAHA-NEWCA United States 26->35 37 geoplugin.net 178.237.33.50, 49744, 80 ATOM86-ASATOM86NL Netherlands 26->37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 11:57:04 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
12 of 41 (29.27%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4bheyr2n5v4dmta7qaw6ljst4lkjlpa2bxnxqmszmj3yuiqzodta._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/220608-rxzl5afda6/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
172.94.127.61:5888
Unpacked files
SH256 hash:
16fb68c77d84dcc7fd514161f25c50e0a4c2aae4412124eed448e99eefe8d654
MD5 hash:
7e2fe24f19a7f53cc7dfa603a1710647
SHA1 hash:
c72c1cfde7084ac712106a60c860b95bff3bf7f5
Link:
https://www.unpac.me/results/2c217b2c-efb8-4ca8-8a7b-e32972c73de5/
SH256 hash:
e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6
MD5 hash:
ea10ffb56ac31029eb0dc95dbc594bc1
SHA1 hash:
998b311677f02cc88b9f751be7104bdd79d8343b
Link:
https://www.unpac.me/results/2c217b2c-efb8-4ca8-8a7b-e32972c73de5/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e04e4c474ded/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.53
Link:
https://yomi.yoroi.company/submissions/e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/277813/

Comments