MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3732ad38251db8a020fa8310c17d4578251c03a432f5362d059b8f2d4a85091d. 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


AsyncRAT


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3732ad38251db8a020fa8310c17d4578251c03a432f5362d059b8f2d4a85091d
SHA3-384 hash: 0b2c97286b74d1742f1b581b2a28c3fae3b724dede82e0b7fcffa122b672712f15baf35d246067b3b76315e2631c57ba
SHA1 hash: fc84a494f683ea1a0df3837cb88e4f6bcf8d4ca7
MD5 hash: 9193a38d0ab597cba64cbca58d465b01
humanhash: pizza-six-fanta-uniform
File name:9193a38d0ab597cba64cbca58d465b01.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:68'608 bytes
First seen:2021-10-17 22:15:55 UTC
Last seen:2021-10-17 22:54:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:Bd4pdWWpo62xV2D8Mfjdq8QQWzHRkm5FLSUSr4SUSc8bKWzkmsjO/AQ:Bd4pdL2xYD84jU84zxH5BSUSr4SUScm0
TLSH T1686318801A84D832C3AE677D49538ED053759B9B0259C606FE8CE06EF9963934F1EFE4
File icon (PE):PE icon
dhash icon d8d8989898a880b8 (13 x RemcosRAT, 6 x PureCrypter, 3 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
37.120.247.24:2020

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
37.120.247.24:2020 https://threatfox.abuse.ch/ioc/234996/

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/198003/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.25487.21115.14442.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a service
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Adding an access-denied ACE
Launching a process
Delayed writing of the file
Blocking the Windows Defender launch
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/90207464-a5b4-4eec-a51e-b4a1921f64b4
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/871881
Signature
Adds a directory exclusion to Windows Defender
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Drops PE files with benign system names
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 504309 Sample: XcxeEOhb0g.exe Startdate: 18/10/2021 Architecture: WINDOWS Score: 100 97 sbdndbnb.duckdns.org 37.120.247.24, 4040 MCC-ASRO Romania 2->97 99 162.159.134.233, 443, 49788, 49790 CLOUDFLARENETUS United States 2->99 101 cdn.discordapp.com 2->101 115 System process connects to network (likely due to code injection or exploit) 2->115 117 Multi AV Scanner detection for dropped file 2->117 119 Sigma detected: Powershell adding suspicious path to exclusion list 2->119 121 13 other signatures 2->121 10 XcxeEOhb0g.exe 24 10 2->10         started        15 svchost.exe 2->15         started        17 ???????????????.exe 2->17         started        19 2 other processes 2->19 signatures3 process4 dnsIp5 111 cdn.discordapp.com 162.159.133.233, 443, 49749, 49756 CLOUDFLARENETUS United States 10->111 83 C:\Users\user\AppData\...\???????????????.exe, PE32 10->83 dropped 85 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 10->85 dropped 87 C:\Program Files\Common Files\...\svchost.exe, PE32 10->87 dropped 95 2 other malicious files 10->95 dropped 131 Creates autostart registry keys with suspicious names 10->131 133 Drops PE files to the startup folder 10->133 135 Adds a directory exclusion to Windows Defender 10->135 137 Drops PE files with benign system names 10->137 21 XcxeEOhb0g.exe 10->21         started        24 ???????????????.exe 10->24         started        28 AdvancedRun.exe 1 10->28         started        36 10 other processes 10->36 89 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 15->89 dropped 139 System process connects to network (likely due to code injection or exploit) 15->139 141 Hides threads from debuggers 15->141 143 Injects a PE file into a foreign processes 15->143 30 AdvancedRun.exe 15->30         started        91 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 17->91 dropped 32 AdvancedRun.exe 17->32         started        93 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 19->93 dropped 34 WerFault.exe 19->34         started        file6 signatures7 process8 dnsIp9 73 C:\Users\user\...\Windows defndder.exe, PE32 21->73 dropped 75 C:\Users\user\AppData\...\XcxeEOhb0g.exe.log, ASCII 21->75 dropped 38 cmd.exe 21->38         started        40 cmd.exe 21->40         started        103 162.159.130.233, 443, 49778, 49779 CLOUDFLARENETUS United States 24->103 105 cdn.discordapp.com 24->105 77 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 24->77 dropped 125 Adds a directory exclusion to Windows Defender 24->125 127 Hides threads from debuggers 24->127 43 AdvancedRun.exe 28->43         started        46 AdvancedRun.exe 32->46         started        79 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 36->79 dropped 48 conhost.exe 36->48         started        50 conhost.exe 36->50         started        52 conhost.exe 36->52         started        54 5 other processes 36->54 file10 signatures11 process12 dnsIp13 56 Windows defndder.exe 38->56         started        61 conhost.exe 38->61         started        63 timeout.exe 38->63         started        123 Uses schtasks.exe or at.exe to add and modify task schedules 40->123 65 conhost.exe 40->65         started        67 schtasks.exe 40->67         started        113 192.168.2.1 unknown unknown 43->113 69 AdvancedRun.exe 43->69         started        signatures14 process15 dnsIp16 107 162.159.135.233, 443, 49787, 49789 CLOUDFLARENETUS United States 56->107 109 cdn.discordapp.com 56->109 81 C:\Users\user\AppData\...\AdvancedRun.exe, PE32 56->81 dropped 129 Adds a directory exclusion to Windows Defender 56->129 71 AdvancedRun.exe 69->71         started        file17 signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3732ad38251db8a020fa8310c17d4578251c03a432f5362d059b8f2d4a85091d/
Threat name:
ByteCode-MSIL.Trojan.Woreflint
Create hunting rule
Status:
Malicious
First seen:
2021-10-13 11:13:19 UTC
AV detection:
10 of 38 (26.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g4zk2obfdw4kaih2qmimc7kfpasrya5egl2tmliftohs2sufbeoq._file
Verdict:
malicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:new era evasion persistence rat suricata trojan
Link:
https://tria.ge/reports/211017-16splsdger/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Async RAT payload
Nirsoft
AsyncRat
Modifies Windows Defender Real-time Protection settings
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
sbdndbnb.duckdns.org:4040
sbdndbnb.duckdns.org:2020
sbdndbnb.duckdns.org:3040
makabuike.duckdns.org:4040
makabuike.duckdns.org:2020
makabuike.duckdns.org:3040
pfesp.duckdns.org:4040
pfesp.duckdns.org:2020
pfesp.duckdns.org:3040
147lanaway.duckdns.org:4040
147lanaway.duckdns.org:2020
147lanaway.duckdns.org:3040
Unpacked files
SH256 hash:
3732ad38251db8a020fa8310c17d4578251c03a432f5362d059b8f2d4a85091d
MD5 hash:
9193a38d0ab597cba64cbca58d465b01
SHA1 hash:
fc84a494f683ea1a0df3837cb88e4f6bcf8d4ca7
Link:
https://www.unpac.me/results/b7f58b6a-cd96-4aea-92b5-c813b18b9922/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/3732ad38251d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/3732ad38251db8a020fa8310c17d4578251c03a432f5362d059b8f2d4a85091d

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:asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

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/198003/

Comments