MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa. 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: 11


Intelligence 11 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa
SHA3-384 hash: 95366faa3ae540af924f720b22245f5be920360667ac28edb08673930589cc7bdb4c10a1eccce2dc670bec875c9cc93f
SHA1 hash: 70e17d59712742e0d345362c5f1f1734f27987d0
MD5 hash: 0410f96fbe61e783fe7453803484ebb7
humanhash: sierra-finch-orange-lion
File name:0410f96fbe61e783fe7453803484ebb7.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:893'952 bytes
First seen:2021-03-23 16:03:33 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 12288:fGlfmKN2/UWya8EXMvicvjVcXHKF4AFJY8i422fd+jJ1Xj0hPlJiJE:XKUc1jcXHKgp6+Pj09iJE
Threatray 2'089 similar samples on MalwareBazaar
TLSH 2A15D58C5C9AC1CAC6750BB882CED9EA46DA5FF30F2298BAF5C457CBC131741F50A526
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu:2009

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0410f96fbe61e783fe7453803484ebb7.exe
Verdict:
Malicious activity
Analysis date:
2021-03-23 16:23:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/923c1e0e-7509-435e-97e9-ca8874c6a029

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/126716/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.598.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
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/651458
Signature
C2 URLs / IPs found in malware configuration
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
Found malware configuration
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 domain / URL
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 AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 374682 Sample: QH1fhpU84k.exe Startdate: 24/03/2021 Architecture: WINDOWS Score: 100 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 8 other signatures 2->64 10 QH1fhpU84k.exe 3 2->10         started        14 win.exe 2 2->14         started        16 win.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\QH1fhpU84k.exe.log, ASCII 10->44 dropped 66 Contains functionality to steal Chrome passwords or cookies 10->66 68 Contains functionality to capture and log keystrokes 10->68 70 Contains functionality to inject code into remote processes 10->70 72 Contains functionality to steal Firefox passwords or cookies 10->72 18 QH1fhpU84k.exe 4 4 10->18         started        74 Injects a PE file into a foreign processes 14->74 21 win.exe 14->21         started        23 win.exe 14->23         started        25 win.exe 16->25         started        signatures5 process6 file7 40 C:\Users\user\AppData\Roaming\win.exe, PE32 18->40 dropped 42 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 18->42 dropped 27 wscript.exe 1 18->27         started        process8 process9 29 cmd.exe 1 27->29         started        process10 31 win.exe 3 29->31         started        35 conhost.exe 29->35         started        file11 46 C:\Users\user\AppData\Local\...\win.exe.log, ASCII 31->46 dropped 50 Multi AV Scanner detection for dropped file 31->50 52 Machine Learning detection for dropped file 31->52 54 Contains functionality to steal Chrome passwords or cookies 31->54 56 3 other signatures 31->56 37 win.exe 2 1 31->37         started        signatures12 process13 dnsIp14 48 hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu 188.72.115.54, 2009, 49707 M247GB Netherlands 37->48
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 12:14:32 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6ac2j2yfj3e72xzptf7iisuhtpgfdiotv26hwi3jcpvvnbauq6va._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3b1b352f3c4d0fe235b45d9db418e1e4155ab31265ee368ed646ac38071a2eda
RemcosRAT
4791861118e0be776fd14153e2feca7d25f5a91a6c32a997385f5ae272e3d7c8
RemcosRAT
4b8335250b1cfcb5fac9790261dd43f5efcbc187c68961ee5afd34662d0599ed
RemcosRAT
5b10f4a23880b51923a0df3e9e3c37f40eb0d3cc93de7b463da62f936a501385
RemcosRAT
61d9f4cbc76b7889d7d17d262b63c0fd2ee40642653063b1eb6ab84397f8c57b
RemcosRAT
80633cf6f53854e8c478e74ae93e4456f7730d323ca9d57d445de570a7ee7f45
RemcosRAT
82027bdaf86e2d0da1c45ede5efd820a1cbaace1b1b8f7675b8115d82db75f26
RemcosRAT
d34e588c8bef9cef39708c52f7f372bcd4b5fc39e4eaf0b9193aa586a10d7cc2
RemcosRAT
dfd3c33bf7be405cea03a045f3df2d9ff35f04c7da918eb916b6f224a58eea1f
RemcosRAT
e26c95b32b64e3f7b5d72d52be2fd7cb52c7a2c1df25f5337a783a1735f806ad
RemcosRAT
+ 2'079 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210323-nw9xxlb3ge/
Behaviour
Modifies registry class
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu:2009
Unpacked files
SH256 hash:
c22b9993fd6abea236edcc1bf476bcd4a09015b4af09eedf660a43bf3d29a16f
MD5 hash:
1d1234ba19c430923b22f531bb19b369
SHA1 hash:
9868c1e97a3be16100a61b5ee1f7d2838b4782a8
Link:
https://www.unpac.me/results/afa65dac-aa0e-47e2-bfc0-7d9cb4513ec3/
SH256 hash:
f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa
MD5 hash:
0410f96fbe61e783fe7453803484ebb7
SHA1 hash:
70e17d59712742e0d345362c5f1f1734f27987d0
Link:
https://www.unpac.me/results/afa65dac-aa0e-47e2-bfc0-7d9cb4513ec3/
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/f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa

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 f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/126716/
  
URLhaus
https://urlhaus.abuse.ch/url/1085606/
  
Delivery method
Distributed via web download

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