MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37. 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: 9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37
SHA3-384 hash: 45f279b2b81844d6d42fb9c58ca380b197159740c9c18e5e1db20fed38eb32bf902b55f9e9d9bcbbcf65144f0c6358fe
SHA1 hash: 1cba25c0080f5780f8842b9673c61881ccb4b153
MD5 hash: fc7c1d93d598a03632552cb838f466e1
humanhash: bakerloo-cold-mirror-emma
File name:fc7c1d93d598a03632552cb838f466e1.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:929'792 bytes
First seen:2021-03-23 11:02:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:UmI80fT0pgvSkGwUHa4LoDk+tg+Pj0AiJE:3WT0pO3vnPj0AiJE
Threatray 525 similar samples on MalwareBazaar
TLSH C915E58C5C9AC1CAC6750BB882CED9EA46DA5FF30F2298BAF5C457CBC131741F50A526
Reporter abuse_ch
Tags:exe RAT RemcosRAT


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

Intelligence

File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ - HDPE Pipes 1.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-23 07:32:28 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/735c7dbe-3018-49d1-869d-2297e567b056

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/126546/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Save.a.21569.30889.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
SUSPICIOUS
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:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/649842
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
Detected unpacking (creates a PE file in dynamic memory)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 373880 Sample: vOAqqojGbg.exe Startdate: 23/03/2021 Architecture: WINDOWS Score: 100 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 9 other signatures 2->68 11 vOAqqojGbg.exe 3 2->11         started        15 win.exe 2 2->15         started        17 win.exe 2->17         started        process3 file4 54 C:\Users\user\AppData\...\vOAqqojGbg.exe.log, ASCII 11->54 dropped 78 Contains functionality to steal Chrome passwords or cookies 11->78 80 Contains functionality to capture and log keystrokes 11->80 82 Contains functionality to inject code into remote processes 11->82 84 Contains functionality to steal Firefox passwords or cookies 11->84 19 vOAqqojGbg.exe 4 4 11->19         started        86 Injects a PE file into a foreign processes 15->86 22 win.exe 15->22         started        24 win.exe 17->24         started        signatures5 process6 file7 50 C:\Users\user\AppData\Roaming\win.exe, PE32 19->50 dropped 52 C:\Users\user\...\win.exe:Zone.Identifier, ASCII 19->52 dropped 26 wscript.exe 1 19->26         started        process8 process9 28 cmd.exe 1 26->28         started        process10 30 win.exe 3 28->30         started        34 conhost.exe 28->34         started        file11 56 C:\Users\user\AppData\Local\...\win.exe.log, ASCII 30->56 dropped 88 Multi AV Scanner detection for dropped file 30->88 90 Detected unpacking (creates a PE file in dynamic memory) 30->90 92 Machine Learning detection for dropped file 30->92 94 4 other signatures 30->94 36 win.exe 2 1 30->36         started        signatures12 process13 dnsIp14 58 hsyuwbvxczbansmloiujdhsbnbcgywqauaghxvz.ydns.eu 188.72.115.54, 2009, 49708, 49709 M247GB Netherlands 36->58 70 Injects a PE file into a foreign processes 36->70 40 win.exe 1 36->40         started        43 win.exe 13 36->43         started        46 win.exe 1 36->46         started        48 win.exe 36->48         started        signatures15 process16 dnsIp17 72 Tries to steal Instant Messenger accounts or passwords 40->72 74 Tries to steal Mail credentials (via file access) 40->74 60 192.168.2.1 unknown unknown 43->60 76 Tries to harvest and steal browser information (history, passwords, etc) 43->76 signatures18
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-03-23 09:12:57 UTC
AV detection:
19 of 29 (65.52%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t6lxkggkppxcwwjq2kdf37k35427445e6s7whogeyaapqh3uty3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
18e3f381f0a9ad36dce7659da7a713e05624e7efce8bdc465fb67cff7189f99b
RemcosRAT
34876c5bdba001a4dcedd74beb4c1cfb5742da353f9735a27f1e787a6339d60f
RemcosRAT
5600ff14a9cefe751c0f39157a79d3f7924706900c664bc18c58673afeb5419e
RemcosRAT
5ab68910c53ccaea0aa6c9e51fa8ad92433cba369163f99f636973b32abda555
RemcosRAT
6f36247a75a5c0d88dab6c2430443d4dd70e9aadc57caa81ed952ea1c49c182a
RemcosRAT
763d415415add2ffc6d482373e211c8c8b647ee46ade5e8dacce10f79d515e2b
RemcosRAT
c07a8d3dd242ba97168fbb468e9034254b9c853a2e1ec2f6de9f82d387dd1911
RemcosRAT
f005a4eb054ec9fd5f2f997e844a879bcc51a1d3aebc7b236913eb56841487aa
RemcosRAT
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
RemcosRAT
facf1bd37fa739f82bc10a7a6e7436b4871af89e3c8389270673e2dbb76200e4
RemcosRAT
+ 515 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-r3a1gkjhp2/
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/50169abf-0e4e-4170-9e43-4d370abbf271/
SH256 hash:
9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37
MD5 hash:
fc7c1d93d598a03632552cb838f466e1
SHA1 hash:
1cba25c0080f5780f8842b9673c61881ccb4b153
Link:
https://www.unpac.me/results/50169abf-0e4e-4170-9e43-4d370abbf271/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37

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 9f977518ca7bee2b5930d2865dfd5bef35fe73a4f4bf63b8c4c000f81f749e37

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/126546/
  
URLhaus
https://urlhaus.abuse.ch/url/1085606/
  
Delivery method
Distributed via web download

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