MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e
SHA3-384 hash: 30def898a0c4ffb67b2200f67908714cb6fb33ab40a4d9c737cf4d532139e9e8fcc645d7fa89a11a9dc661624f6e1db0
SHA1 hash: 591a3cecce37189369faf4c127ba28f7f44b2ff4
MD5 hash: a311cef429085f54e95b32fd836c56b6
humanhash: illinois-arizona-golf-alaska
File name:Proformar invioce.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'083'904 bytes
First seen:2021-08-17 10:43:06 UTC
Last seen:2021-08-30 06:18:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:3ZzrfrFYdblhB5v/UzG180aamj05G2OGaep:5yt16zk80aamj0C
Threatray 1'977 similar samples on MalwareBazaar
TLSH T1CB35B63915B82B27E079D369E6E45417B3E0A85FB225ED58BCDE07A70206F4265C333E
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
123
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Proformar invioce.exe
Verdict:
Malicious activity
Analysis date:
2021-08-17 10:43:43 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/7fba59fd-4b44-425b-8a43-be4c111c4f4d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/179938/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.998-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created process
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/521596e6-27d5-4278-8432-7850c98c80fc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/834267
Signature
.NET source code contains very large strings
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
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
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 466698 Sample: Proformar invioce.exe Startdate: 17/08/2021 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 13 other signatures 2->55 9 Proformar invioce.exe 3 2->9         started        13 remcos.exe 2 2->13         started        15 remcos.exe 2 2->15         started        process3 file4 43 C:\Users\user\...\Proformar invioce.exe.log, ASCII 9->43 dropped 63 Injects a PE file into a foreign processes 9->63 17 Proformar invioce.exe 1 5 9->17         started        20 remcos.exe 13->20         started        22 remcos.exe 15->22         started        signatures5 process6 file7 39 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 17->39 dropped 41 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 17->41 dropped 24 cmd.exe 1 17->24         started        process8 signatures9 59 Uses ping.exe to sleep 24->59 61 Uses ping.exe to check the status of other devices and networks 24->61 27 remcos.exe 3 24->27         started        30 PING.EXE 1 24->30         started        33 conhost.exe 24->33         started        process10 dnsIp11 65 Multi AV Scanner detection for dropped file 27->65 67 Injects a PE file into a foreign processes 27->67 35 remcos.exe 1 3 27->35         started        47 127.0.0.1 unknown unknown 30->47 signatures12 process13 dnsIp14 45 govdouglas.ydns.eu 91.92.120.140, 4973, 49743 INETLTDTR Cyprus 35->45 57 Installs a global keyboard hook 35->57 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-16 21:43:43 UTC
AV detection:
9 of 28 (32.14%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7tnqt6nwhsdlsiczzmggg3ncdiw25yujueqm742gu7ltwav575ha._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4c11b7fb217b3675e60d659ce0a2c3eee1bdbd3e3ddba1ad6d762878f62534d1
RemcosRAT
5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
RemcosRAT
5f4e4a43a01b235d781c6888198b18750529dda9fc4727727940115090e06a6d
RemcosRAT
885e34ff7befbdcdb027a017843cbacdba7eebb34d3df2e3113cceb9adafe8b5
RemcosRAT
ac7d008a3ac44bc8dfe3edbbc8542ed5b51bcf911b67eb8e9a715ebb5250ad27
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
d2a1375e9e0c3c8fbc3496cb6c1690e2c47d167a5cac476b528ad2c051f85a52
RemcosRAT
ed3a96630761ee25131c40b747f50fc55aa85d5e8f631f71bbfc901dd96bac13
RemcosRAT
eeddb4eb1252a45f5a8246d68dc6557f3e0c6f264a0a6f42e81d041c53864a48
RemcosRAT
ff91b720363ded7601beba0c3b9f73c4cd677c79e88f9b82113073d0691df7a9
RemcosRAT
+ 1'967 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/210817-17r3teek4j/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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:
govdouglas.ydns.eu:4973
Unpacked files
SH256 hash:
867bf7533f8d4af64491c6609c189e79bba6ada929ed315600972cd8341b4004
MD5 hash:
c559829f62c833fe55250c1e15d95cfd
SHA1 hash:
5dab9d80ac14731cc2dcde75456bf8214eb416cf
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/d560713e-94e3-4af8-8942-999ea0ac753a/
SH256 hash:
ac0c1979147f5adf9b65bb2e1aa0f22752a56a7d04e4985a0912bbdd8e403d9b
MD5 hash:
da6fca4f73c8fe94fb126b77ff145d7f
SHA1 hash:
ff1cbcd19266ee0084dba9068d4e424a47b4b7a5
Link:
https://www.unpac.me/results/d560713e-94e3-4af8-8942-999ea0ac753a/
SH256 hash:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/d560713e-94e3-4af8-8942-999ea0ac753a/
SH256 hash:
fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e
MD5 hash:
a311cef429085f54e95b32fd836c56b6
SHA1 hash:
591a3cecce37189369faf4c127ba28f7f44b2ff4
Link:
https://www.unpac.me/results/d560713e-94e3-4af8-8942-999ea0ac753a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fcdb09f9b63c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

82a7277aae45928346023c77abc2c87b

RemcosRAT

Executable exe fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e

(this sample)

  
Dropped by
MD5 82a7277aae45928346023c77abc2c87b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/179938/

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