MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e. 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: 13


Intelligence 13 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e
SHA3-384 hash: 2fe3c502a2133c2115f183e4b885444bc17631cca042d09fe79cfb398066fcb5c6ace7d273e7a793a0aa6955f2930037
SHA1 hash: eab7c1c11153cf772414c6be94fcd6c1eace7dbc
MD5 hash: 112702530b838997bb1accc464389564
humanhash: pennsylvania-kansas-vegan-monkey
File name:SecuriteInfo.com.Variant.Razy.809724.3366.27306
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:261'120 bytes
First seen:2020-12-18 19:32:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:GBCyZkQECJrmRIxnQRH5IZLK1g47jU2G81J51E6uNJMp:eBZEpy83UA1JvtCM
Threatray 1'249 similar samples on MalwareBazaar
TLSH 7044E120FDE1EB87C7468D38EDD856208FE05678F49FFA12654CC76D0C067E6149B26A
Reporter SecuriteInfoCom
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Variant.Razy.809724.3366.27306
Verdict:
Malicious activity
Analysis date:
2020-12-18 19:50:43 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/f3c6395a-4e36-44b2-bbf8-613e48f64cf7

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/108495/
Detection(s):
SecuriteInfo.com.Variant.Razy.809724.3366.27306.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/566603
Signature
.NET source code contains potential unpacker
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
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
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 332384 Sample: SecuriteInfo.com.Variant.Ra... Startdate: 18/12/2020 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected Remcos RAT 2->54 56 5 other signatures 2->56 7 SecuriteInfo.com.Variant.Razy.809724.3366.exe 1 4 2->7         started        11 WindowsDefenderUpdater.exe 2->11         started        13 WindowsDefenderUpdater.exe 2->13         started        process3 file4 32 C:\ProgramData\WindowsDefenderUpdater.exe, PE32 7->32 dropped 34 SecuriteInfo.com.V...809724.3366.exe.log, ASCII 7->34 dropped 36 WindowsDefenderUpd...exe:Zone.Identifier, ASCII 7->36 dropped 58 Contains functionality to steal Chrome passwords or cookies 7->58 60 Contains functionality to capture and log keystrokes 7->60 62 Contains functionality to inject code into remote processes 7->62 64 Contains functionality to steal Firefox passwords or cookies 7->64 15 WindowsDefenderUpdater.exe 1 7->15         started        19 SecuriteInfo.com.Variant.Razy.809724.3366.exe 2 7->19         started        22 SecuriteInfo.com.Variant.Razy.809724.3366.exe 7->22         started        66 Injects a PE file into a foreign processes 11->66 24 WindowsDefenderUpdater.exe 11->24         started        26 WindowsDefenderUpdater.exe 11->26         started        28 WindowsDefenderUpdater.exe 13->28         started        signatures5 process6 dnsIp7 38 C:\Users\...\WindowsDefenderUpdater.exe.log, ASCII 15->38 dropped 42 Multi AV Scanner detection for dropped file 15->42 44 Machine Learning detection for dropped file 15->44 46 Contains functionality to steal Chrome passwords or cookies 15->46 48 2 other signatures 15->48 30 WindowsDefenderUpdater.exe 15->30         started        40 89.39.107.61, 2606, 49728, 49732 WORLDSTREAMNL Netherlands 19->40 file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e/
Threat name:
ByteCode-MSIL.Trojan.Razy
Create hunting rule
Status:
Malicious
First seen:
2020-12-05 14:00:50 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7l64erkeuqnktqclgjsspys5xq34hmdn4t27teqfvtbpa2h457a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
232e0519807d6bd5adad7c4617644803d6e3b3524595dfd80d5eadcc001c99f1
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4a94b062dbb9df940520146d100df5b019795d0f508d7ba89d24eb18725e1608
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'239 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201218-l8tefeyqnx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
89.39.107.61:2606
Unpacked files
SH256 hash:
7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e
MD5 hash:
112702530b838997bb1accc464389564
SHA1 hash:
eab7c1c11153cf772414c6be94fcd6c1eace7dbc
Link:
https://www.unpac.me/results/ca75c535-5003-4f3f-b769-db715af7a46a/
SH256 hash:
08813be412cef8e50b5ffb75af357a8e0d9e56fe9e1284db8926a12621cca315
MD5 hash:
f58cf4bdd5bd7e773d73499e32145e44
SHA1 hash:
00421b57a87ca3ce1f575b576452d409818d8b94
Link:
https://www.unpac.me/results/ca75c535-5003-4f3f-b769-db715af7a46a/
SH256 hash:
99bd31265e1166caaac85eae9963760f1f133efe2a3a493c143f56bcf69592e8
MD5 hash:
85c233d6e84b7bd74f75d6084595c894
SHA1 hash:
c2599e5e2b81e960d60e26a2389aebcd51d22dda
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/ca75c535-5003-4f3f-b769-db715af7a46a/
SH256 hash:
1b5bd5bd7a79b4475ee492965a37da21131ddddd4a8ea62cbb5fe2073d6efec0
MD5 hash:
2afe0449b1571946ae4b3daadfd73c9d
SHA1 hash:
569fd462e8b23cc3d029b90d75c08d6e0f63c8eb
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ca75c535-5003-4f3f-b769-db715af7a46a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e

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:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
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: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.

Web download

RemcosRAT

Executable exe 7fd7ee122a2520d54e025993293f12ede1be1d836f27afcc902d66178347e77e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/928399/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/108495/

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