MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa7229938d7109be9b5947f67058cb3cab1d366ababae65b83786b80584a160a. 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 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa7229938d7109be9b5947f67058cb3cab1d366ababae65b83786b80584a160a
SHA3-384 hash: b1023d29ddb797037a8a69cfee6a18ad7e014598cd6287bfa1b0793237ed6181bfdfc17310193307e6b52758e2a6a0c9
SHA1 hash: 6d4a38154a8ec0f7bc0022d28f051ead34aff66e
MD5 hash: 721923313c6113875e9178045c4e3fac
humanhash: lima-paris-grey-california
File name:purchase order.pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'236'992 bytes
First seen:2022-03-14 05:36:08 UTC
Last seen:2022-03-14 08:05:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:jKBaMBAzoPC7kzpB+sln5mk/exwd9L9hS7D8ZhzA:jKBBtzL+slqwd9LnAOhzA
TLSH T13C4501A03E196FC2F9399BF0048B426F83E329A63E13D47A1EF06EC7145EF069555A17
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.31.98.58:2405

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
194.31.98.58:2405 https://threatfox.abuse.ch/ioc/395086/

Intelligence

File Origin
# of uploads :
2
# of downloads :
251
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/249941/
Detection(s):
SecuriteInfo.com.Trojan-Spy.MSIL.Noon.gen.19357.15229.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Running batch commands
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe update.exe
Link:
https://www.filescan.io/uploads/622ed4820cd58dbd9293fa38/reports/ae8f83a1-db9f-4725-b403-4bd44d7ce736/overview
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/1661c1b7-0641-4c2a-a540-5b9ea234083d
Result
Threat name:
AsyncRAT Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/955799
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Delayed program exit found
Detected unpacking (creates a PE file in dynamic memory)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
Sigma detected: Suspicious Svchost Process
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)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 588280 Sample: purchase order.pdf.exe Startdate: 14/03/2022 Architecture: WINDOWS Score: 100 83 primetoolz.duckdns.org 2->83 103 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->103 105 Malicious sample detected (through community Yara rule) 2->105 107 Multi AV Scanner detection for dropped file 2->107 109 21 other signatures 2->109 10 purchase order.pdf.exe 7 2->10         started        14 Adobe.exe 2->14         started        signatures3 process4 file5 75 C:\Users\user\AppData\Roaming\dXkFro.exe, PE32 10->75 dropped 77 C:\Users\user\AppData\Local\...\tmp84E2.tmp, XML 10->77 dropped 79 C:\Users\user\...\purchase order.pdf.exe.log, ASCII 10->79 dropped 117 Adds a directory exclusion to Windows Defender 10->117 119 Injects a PE file into a foreign processes 10->119 16 purchase order.pdf.exe 3 5 10->16         started        21 powershell.exe 25 10->21         started        23 schtasks.exe 1 10->23         started        121 Multi AV Scanner detection for dropped file 14->121 signatures6 process7 dnsIp8 81 primetoolz.duckdns.org 194.31.98.58, 2404, 2405, 49808 BURSABILTR Netherlands 16->81 71 C:\Users\user\Desktop\dwn.exe, PE32 16->71 dropped 95 Writes to foreign memory regions 16->95 97 Allocates memory in foreign processes 16->97 99 Installs a global keyboard hook 16->99 101 Injects a PE file into a foreign processes 16->101 25 dwn.exe 16->25         started        29 purchase order.pdf.exe 16->29         started        31 purchase order.pdf.exe 16->31         started        37 5 other processes 16->37 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        file9 signatures10 process11 file12 73 C:\Users\user\AppData\Roaming\Adobe.exe, PE32 25->73 dropped 111 Multi AV Scanner detection for dropped file 25->111 39 cmd.exe 25->39         started        41 cmd.exe 25->41         started        113 Tries to steal Instant Messenger accounts or passwords 29->113 115 Tries to steal Mail credentials (via file / registry access) 29->115 43 chrome.exe 37->43         started        46 chrome.exe 37->46         started        48 chrome.exe 37->48         started        50 chrome.exe 37->50         started        signatures13 process14 dnsIp15 52 conhost.exe 39->52         started        54 timeout.exe 39->54         started        56 Adobe.exe 39->56         started        58 conhost.exe 41->58         started        60 schtasks.exe 41->60         started        85 192.168.2.1 unknown unknown 43->85 87 239.255.255.250 unknown Reserved 43->87 62 chrome.exe 43->62         started        65 chrome.exe 46->65         started        67 chrome.exe 48->67         started        69 chrome.exe 50->69         started        process16 dnsIp17 89 192.168.2.4, 137, 138, 2404 unknown unknown 62->89 91 part-0017.t-0009.fb-t-msedge.net 13.107.253.45, 443, 49827, 49945 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 62->91 93 12 other IPs or domains 62->93
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fa7229938d7109be9b5947f67058cb3cab1d366ababae65b83786b80584a160a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-14 05:37:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7jzcte4noee35g2zi73hawglhsvr2ntkxk5omw4dpbvyawckcyfa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:remcos botnet:default botnet:remotehost brand:microsoft collection phishing rat spyware stealer suricata
Link:
https://tria.ge/reports/220314-ga6f2sfehn/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
NirSoft WebBrowserPassView
Nirsoft
AsyncRat
Remcos
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
primetoolz.duckdns.org:2404
primetoolz.duckdns.org:2405
Unpacked files
SH256 hash:
5b7da029d64cea05a37737af6d68281d089430389f07168b6d4caa83792cc675
MD5 hash:
6cd61188afd9a9597b61c5431eee062d
SHA1 hash:
3e580950318104d6db7f4fe9e4ba26c4a88d4a0a
Link:
https://www.unpac.me/results/42ccd696-4174-48d0-ae6e-c96d7277fb61/
SH256 hash:
e62ba920f6860521dbddd3e2b6bd9d4a78703e1e62d47ec7320dd99d3c43afe9
MD5 hash:
c3fcf07c1617cc7ab3032802aff87f03
SHA1 hash:
3b670463d16ec429264f914c2c4e5cd8277c050b
Link:
https://www.unpac.me/results/42ccd696-4174-48d0-ae6e-c96d7277fb61/
SH256 hash:
e3f773aeecd0175f8fced3179dc01ef341fddf2ee8479eb465edb76280a63e63
MD5 hash:
0f596946a2d351be7d8ed68d98fac665
SHA1 hash:
3353fb60d79c99553003418fef82e1ee811a226a
Link:
https://www.unpac.me/results/42ccd696-4174-48d0-ae6e-c96d7277fb61/
SH256 hash:
1d49e9bdb3af9be91aaa735a096290633e3d57e88f3ecf96878954777a7555c5
MD5 hash:
82c14d58788d7c99ebcced212586b6a3
SHA1 hash:
0324e25e1d67caf24387408d043077645d6a3e78
Link:
https://www.unpac.me/results/42ccd696-4174-48d0-ae6e-c96d7277fb61/
SH256 hash:
fa7229938d7109be9b5947f67058cb3cab1d366ababae65b83786b80584a160a
MD5 hash:
721923313c6113875e9178045c4e3fac
SHA1 hash:
6d4a38154a8ec0f7bc0022d28f051ead34aff66e
Link:
https://www.unpac.me/results/42ccd696-4174-48d0-ae6e-c96d7277fb61/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/fa7229938d71/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa7229938d7109be9b5947f67058cb3cab1d366ababae65b83786b80584a160a

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/249941/

Comments