MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf
SHA3-384 hash: 82dae7a05c69829c8462818bfe784fb60124a21ed72ab7a49ebb0ba22de9a6d2ad2b9775cedd10b53263fb6397da0a67
SHA1 hash: 3a28c194896fcd7281342d5d15c7b9c4c903b8fa
MD5 hash: a609c68b93e5d6a6c73108744c1288fb
humanhash: kilo-hydrogen-carolina-king
File name:a609c68b93e5d6a6c73108744c1288fb.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'413'312 bytes
First seen:2021-01-19 16:38:43 UTC
Last seen:2021-01-19 19:15:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:bAYbwKhuxJQgLC+hqupy0xtKzrV600exWcWYZm/LlIP9apM7jbMf6wkqtnSyRQbc:sYbGJjv
Threatray 1'427 similar samples on MalwareBazaar
TLSH DA6596261E9B91085191BFE6A068B29E731FCB7EB31BE2C60523D3DD4F77315A058C29
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
200
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a609c68b93e5d6a6c73108744c1288fb.exe
Verdict:
Malicious activity
Analysis date:
2021-01-19 17:00:07 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/19fbe9f5-55f4-4ed6-a47b-6e9b42281830

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/112950/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.510.30556.29263.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
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
Unauthorized injection to a recently created process
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
Connection attempt to an infection source
Result
Verdict:
UNKNOWN
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/585312
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
Country aware sample found (crashes after keyboard check)
Detected Remcos RAT
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 341685 Sample: lTK1EWZf3P.exe Startdate: 19/01/2021 Architecture: WINDOWS Score: 100 91 Malicious sample detected (through community Yara rule) 2->91 93 Detected Remcos RAT 2->93 95 Yara detected Remcos RAT 2->95 97 2 other signatures 2->97 11 lTK1EWZf3P.exe 3 2->11         started        14 win.exe 2->14         started        process3 signatures4 99 Contains functionality to steal Chrome passwords or cookies 11->99 101 Contains functionality to capture and log keystrokes 11->101 103 Contains functionality to inject code into remote processes 11->103 105 Contains functionality to steal Firefox passwords or cookies 11->105 16 lTK1EWZf3P.exe 4 4 11->16         started        19 WerFault.exe 23 9 11->19         started        21 cmd.exe 1 11->21         started        27 2 other processes 11->27 107 Hides threads from debuggers 14->107 23 cmd.exe 14->23         started        25 cmd.exe 14->25         started        process5 file6 75 C:\Users\user\AppData\Roaming\win.exe, PE32 16->75 dropped 77 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 16->77 dropped 29 wscript.exe 1 16->29         started        79 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->79 dropped 31 conhost.exe 21->31         started        33 timeout.exe 1 21->33         started        43 2 other processes 23->43 45 2 other processes 25->45 35 conhost.exe 27->35         started        37 conhost.exe 27->37         started        39 timeout.exe 1 27->39         started        41 timeout.exe 1 27->41         started        process7 process8 47 cmd.exe 1 29->47         started        process9 49 win.exe 3 47->49         started        52 conhost.exe 47->52         started        signatures10 83 Multi AV Scanner detection for dropped file 49->83 85 Contains functionality to steal Chrome passwords or cookies 49->85 87 Contains functionality to capture and log keystrokes 49->87 89 2 other signatures 49->89 54 cmd.exe 49->54         started        56 cmd.exe 49->56         started        58 cmd.exe 49->58         started        60 win.exe 49->60         started        process11 dnsIp12 63 conhost.exe 54->63         started        65 timeout.exe 54->65         started        67 conhost.exe 56->67         started        69 timeout.exe 56->69         started        71 conhost.exe 58->71         started        73 timeout.exe 58->73         started        81 wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu 37.230.130.152, 1996 VOXILITYGB Netherlands 60->81 process13
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf/
Threat name:
ByteCode-MSIL.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-01-19 16:39:05 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=464mpawsewwdatidvrbr7z3gl43fmewxemhg5rydzblifnjnhlhq._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
+ 1'417 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210119-ngf6s6tm86/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: GetForegroundWindowSpam
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:
wedsazxcvfghyuiokjhbnvfcdsaweyplmhbvrtud.ydns.eu:1996
Unpacked files
SH256 hash:
7d59656e5dbaf5174704a0f9806597710214b9f0e136892482ae62bd56303ade
MD5 hash:
23c597cc74b5367a7eb8284497c4ac2e
SHA1 hash:
d93656c2d615a56981d9f5d63a5f0c0275c6ff55
Link:
https://www.unpac.me/results/058e069e-eb42-4e6f-8a6d-077fbcbc3b53/
SH256 hash:
bcbd7a0350280d7c9f5af2eb2f3f6ecef5788b175337f02e138d3abcebdb5451
MD5 hash:
4273160fbd46eb85e4ba8dd24a8df0e0
SHA1 hash:
7c1431cc8600d08fbdcc4ec54e62ddb6b823913b
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/058e069e-eb42-4e6f-8a6d-077fbcbc3b53/
SH256 hash:
e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf
MD5 hash:
a609c68b93e5d6a6c73108744c1288fb
SHA1 hash:
3a28c194896fcd7281342d5d15c7b9c4c903b8fa
Link:
https://www.unpac.me/results/058e069e-eb42-4e6f-8a6d-077fbcbc3b53/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.59
Link:
https://yomi.yoroi.company/submissions/e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf

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 e7b8c782d225ac304d03ac431fe7665f365612d7230e6ec703c85682b52d3acf

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/969719/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/112950/

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