MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e8060c8e315178ae217fbe684e933115836e6537c13de818f4120760a6368c0. 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: 10


Intelligence 10 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5e8060c8e315178ae217fbe684e933115836e6537c13de818f4120760a6368c0
SHA3-384 hash: e626fdc2610a567758e32749a8a04464f28ca4dd189b2482a32dac7232cae4b345d2ada8381fa222d63ca7f9f1363c79
SHA1 hash: 575f30e54cf3abfefd03fbe3732b4843531aa13f
MD5 hash: 2238512037782ebc9437e3d4f8d458ed
humanhash: butter-oregon-venus-happy
File name:575f30e54cf3abfefd03fbe3732b4843531aa13f.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:298'496 bytes
First seen:2021-05-29 15:35:21 UTC
Last seen:2021-05-29 16:48:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:tWga1Zr3HQdseKHxKT3IPK6tTjJtdr+s1YFNjJMw/8IFg7:wg23SAKT4PKCJtdBAjJM08X
Threatray 13 similar samples on MalwareBazaar
TLSH 0A54F83415300B26E37C5ABF51E95F80EB295D8AABE0C25DC3E139A8033AB61575BDC7
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
93.115.21.128:8808

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
93.115.21.128:8808 https://threatfox.abuse.ch/ioc/66772/

Intelligence

File Origin
# of uploads :
2
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
575f30e54cf3abfefd03fbe3732b4843531aa13f.exe
Verdict:
Suspicious activity
Analysis date:
2021-05-29 15:39:49 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/010197ff-d46a-4216-b58c-86ba88a35f9e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/163183/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.46367595.9936.23260.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
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:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/794264
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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)
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 426660 Sample: mvJMfkrri8.exe Startdate: 29/05/2021 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 10 other signatures 2->43 6 mvJMfkrri8.exe 1 7 2->6         started        10 klist.exe 2 2->10         started        12 klist.exe 3 2->12         started        process3 file4 25 C:\Users\user\AppData\Roaming\...\klist.exe, PE32 6->25 dropped 27 C:\Users\user\AppData\...\InstallUtil.exe, PE32 6->27 dropped 29 C:\Users\user\...\klist.exe:Zone.Identifier, ASCII 6->29 dropped 31 C:\Users\user\AppData\...\mvJMfkrri8.exe.log, ASCII 6->31 dropped 45 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->45 47 Writes to foreign memory regions 6->47 49 Allocates memory in foreign processes 6->49 14 InstallUtil.exe 15 2 6->14         started        51 Injects a PE file into a foreign processes 10->51 17 InstallUtil.exe 10->17         started        19 InstallUtil.exe 10->19         started        21 InstallUtil.exe 10->21         started        23 InstallUtil.exe 12->23         started        signatures5 process6 dnsIp7 33 93.115.21.128, 49748, 8808 MVPShttpswwwmvpsnetEU Romania 14->33 35 pastebin.com 104.23.98.190, 443, 49747 CLOUDFLARENETUS United States 14->35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5e8060c8e315178ae217fbe684e933115836e6537c13de818f4120760a6368c0/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-05-27 18:16:00 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=l2agbshdculyvyqx7ptij2jtcfmdnzstpqj55ampieqhmctdndaa._file
Verdict:
unknown
Similar samples:
1270d5514ab3efb478a9fdff494676aa0edf56e0ef4f2e41a565363cd8f84f2e
AsyncRAT
399f1d6702a8a39521f36d26c9cbee1696b9efb20737d35af40a155fe7bf724d
AsyncRAT
5b121b6b6dc465d068f9b2372f1a056728985c65e365e93dfba28b69e007ac64
AsyncRAT
604b83be28f2553e9db6a338a3a76c3c361d7ac61f475ff218f9ef440687cbcc
AsyncRAT
798cecbce0139e502fd6b23a7d147480d25a168d93131ba2e59f5b81ddbebb28
AsyncRAT
8d21ef3f623863b5fb9ace77bdbd5adfc9422e3e76780832df62de7ce561cbde
AsyncRAT
ad9ae0356fae8f4a43fec15aceebd060f28bfbbba90fdf2f67087f8d55edfbc8
AsyncRAT
b0a39c9667944f066ff4d59094a1cad331587236ea385d4ecc48b647236ad427
AsyncRAT
d380b2b195438594810d722c0bae32ec23ae83382750b778f2caf54d90b69734
AsyncRAT
fc4db22fc8828f0edf477bac989a58df7b4dc5f9fcc957dc906e3682e14f6e0f
AsyncRAT
+ 3 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/210529-2jwvkc5gbs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
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/5e8060c8e315178ae217fbe684e933115836e6537c13de818f4120760a6368c0

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_InTheFu
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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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/163183/

Comments