MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1. 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: fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1
SHA3-384 hash: eae1d336e0de2f5d9a5f573b9f00007dc28b47eef966161d767c83999f9d89caff1b3731a7dd6808432c82b4be32dbc8
SHA1 hash: 15acead8bc9052f5716454e21e99493123e1cd42
MD5 hash: 022d116c9e8cc50f7b3d837b69eef49a
humanhash: summer-princess-high-bacon
File name:SecuriteInfo.com.Trojan.PackedNET.510.21742.1465
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'366'296 bytes
First seen:2021-01-20 11:08:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'750 x AgentTesla, 19'656 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 768:E3GH6TAY/pwqQsi2HN7AyDr6f7e0/EU39MXkkMG3btkoOv2JyKtc3iysrYSUHnLX:E3m6TAY/pLi21bDr6fkM2JKb1
Threatray 1'434 similar samples on MalwareBazaar
TLSH F2555BB19CB349E5E7EBD26369DC70CAC6B37F1BA99D1E536840C36358036408427EB9
Reporter SecuriteInfoCom
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
TANKFORMATOR RECONCILIATION - 02 DEC 2020.xlsx
Verdict:
Malicious activity
Analysis date:
2021-01-20 06:59:16 UTC
Tags:
encrypted exploit CVE-2017-11882
Link:
https://app.any.run/tasks/2ee4145e-4e06-40ca-9fee-39286a89a423

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/113061/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.510.21742.1465.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Adding an access-denied ACE
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Deleting a recently created file
DNS request
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
Unauthorized injection to a recently created process
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:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/586010
Signature
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
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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 dnsIp2 2 Behavior Graph ID: 342035 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 20/01/2021 Architecture: WINDOWS Score: 100 73 swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu 2->73 83 Multi AV Scanner detection for domain / URL 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Multi AV Scanner detection for submitted file 2->87 89 4 other signatures 2->89 12 SecuriteInfo.com.Trojan.PackedNET.510.21742.exe 3 2->12         started        15 vlc.exe 2->15         started        signatures3 process4 signatures5 91 Contains functionalty to change the wallpaper 12->91 93 Contains functionality to steal Chrome passwords or cookies 12->93 95 Contains functionality to capture and log keystrokes 12->95 99 2 other signatures 12->99 17 SecuriteInfo.com.Trojan.PackedNET.510.21742.exe 4 4 12->17         started        20 cmd.exe 1 12->20         started        22 cmd.exe 1 12->22         started        26 3 other processes 12->26 97 Hides threads from debuggers 15->97 24 cmd.exe 15->24         started        process6 file7 69 C:\Users\user\AppData\Roaming\vlc.exe, PE32 17->69 dropped 71 C:\Users\user\...\vlc.exe:Zone.Identifier, ASCII 17->71 dropped 28 wscript.exe 1 17->28         started        30 timeout.exe 1 20->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        36 timeout.exe 1 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 timeout.exe 1 26->42         started        process8 process9 44 cmd.exe 1 28->44         started        46 conhost.exe 30->46         started        48 timeout.exe 30->48         started        process10 50 vlc.exe 3 44->50         started        53 conhost.exe 44->53         started        signatures11 75 Multi AV Scanner detection for dropped file 50->75 77 Machine Learning detection for dropped file 50->77 79 Hides threads from debuggers 50->79 81 Contains functionality to hide a thread from the debugger 50->81 55 cmd.exe 50->55         started        57 cmd.exe 50->57         started        59 cmd.exe 50->59         started        process12 process13 61 conhost.exe 55->61         started        63 timeout.exe 55->63         started        65 conhost.exe 57->65         started        67 timeout.exe 57->67         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-01-20 08:58:40 UTC
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7xl2cfyto2hkciun5ecuvq6xv2pyl6wb23zumh4bslnprq4fw3iq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
21691425c52cf7a77c0e3a65cc1c0c59cb026d5b76e78160ebb8a553f9bbe50c
RemcosRAT
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
9930543939f97818319ed031530d9e084994331aa4b06a304faeb321bbcc63db
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 1'424 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210120-xfrqekt4na/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
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:
swryijgrvcsgkopnmcdertvgdswbvmophtfdczxs.ydns.eu:2017
Unpacked files
SH256 hash:
fe18cbce285fba824726d6eb7f5f1089fc8d1e877b51c1dd775ee9aa933e2a55
MD5 hash:
431184da465f80a136d6637a6b85fb52
SHA1 hash:
950e80573734281b5129cfd63692cdefa499ddfc
Link:
https://www.unpac.me/results/37883382-da8d-49dc-9e7c-a25b321dd0c9/
SH256 hash:
9819726e0f036d99b3ea07896dc342f74c4be2cda08aa78ba686e90cbc8ab8e9
MD5 hash:
0a65f1c357514ef001c7cfded59f32b2
SHA1 hash:
9a891cca2101da943e6c53edd6eb2f5f6d6d994f
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/37883382-da8d-49dc-9e7c-a25b321dd0c9/
SH256 hash:
fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1
MD5 hash:
022d116c9e8cc50f7b3d837b69eef49a
SHA1 hash:
15acead8bc9052f5716454e21e99493123e1cd42
Link:
https://www.unpac.me/results/37883382-da8d-49dc-9e7c-a25b321dd0c9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1

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 fdd7a11713768ea1228de9054ac3d7ae9f85fac1d6f3461f8192daf8c385b6d1

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/972091/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/113061/

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