MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 079871499bdc91b180fcd73f10d7db76fcabbbdd29017ad0f8fe82f5c18b39a8. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 079871499bdc91b180fcd73f10d7db76fcabbbdd29017ad0f8fe82f5c18b39a8
SHA3-384 hash: 7c7cf254cdd79ce21b211c3d8b582b0be860add098774235632fed65878801e598f54d92882184ac9b6b1ccd5ecad2f4
SHA1 hash: 68f88064e4d03d94106b230cd86e36d85d249c2a
MD5 hash: 9b6a3d454a982494b37bc30318ac5914
humanhash: saturn-zebra-princess-oxygen
File name:Invoice.xlsx.exe
Download: download sample
Signature AsyncRAT
File size:507'904 bytes
First seen:2022-04-12 08:21:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:HkKUk6FM4q0um/Be3WsOGI/XBsOt1OOMgVgz:HkKX6FXq0HBemsOt/qOt1fm
Threatray 7'449 similar samples on MalwareBazaar
TLSH T1C8B4E0117AFC8635D5FD07BDA03501804BFA76276927D3BC5E06A0E62E633D09A07BA7
File icon (PE):PE icon
dhash icon 73432b4d556d597d (15 x SnakeKeylogger, 14 x AgentTesla, 12 x Formbook)
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
Invoice.xlsx.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 05:27:39 UTC
Tags:
asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
expand.exe obfuscated packed
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
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 dropped file
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicious Double Extension
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 harvest and steal browser information (history, passwords, etc)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 607663 Sample: Invoice.xlsx.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Found malware configuration 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 13 other signatures 2->87 10 Invoice.xlsx.exe 7 2->10         started        14 images.exe 2->14         started        process3 dnsIp4 67 C:\Users\user\AppData\Roaming\apYyga.exe, PE32 10->67 dropped 69 C:\Users\user\...\apYyga.exe:Zone.Identifier, ASCII 10->69 dropped 71 C:\Users\user\AppData\Local\...\tmpE40B.tmp, XML 10->71 dropped 73 C:\Users\user\...\Invoice.xlsx.exe.log, ASCII 10->73 dropped 95 Uses schtasks.exe or at.exe to add and modify task schedules 10->95 97 Adds a directory exclusion to Windows Defender 10->97 99 Injects a PE file into a foreign processes 10->99 17 Invoice.xlsx.exe 6 10->17         started        20 powershell.exe 25 10->20         started        22 schtasks.exe 1 10->22         started        79 192.168.2.1 unknown unknown 14->79 101 Multi AV Scanner detection for dropped file 14->101 103 Machine Learning detection for dropped file 14->103 24 powershell.exe 14->24         started        26 schtasks.exe 14->26         started        28 images.exe 14->28         started        file5 signatures6 process7 file8 65 C:\Users\user\AppData\Roaming\images.exe, PE32 17->65 dropped 30 cmd.exe 1 17->30         started        32 cmd.exe 1 17->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        process9 process10 42 images.exe 30->42         started        45 conhost.exe 30->45         started        47 timeout.exe 30->47         started        49 conhost.exe 32->49         started        51 schtasks.exe 32->51         started        signatures11 91 Adds a directory exclusion to Windows Defender 42->91 93 Injects a PE file into a foreign processes 42->93 53 images.exe 42->53         started        57 powershell.exe 42->57         started        59 schtasks.exe 42->59         started        process12 dnsIp13 75 185.19.85.136, 49729, 49733, 6060 DATAWIRE-ASCH Switzerland 53->75 77 192.168.2.3, 137, 138, 443 unknown unknown 53->77 89 Tries to harvest and steal browser information (history, passwords, etc) 53->89 61 conhost.exe 57->61         started        63 conhost.exe 59->63         started        signatures14 process15
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-12 08:22:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:eloasync rat spyware stealer suricata
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
suricata: ET MALWARE Generic AsyncRAT Style SSL Cert
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Malware Config
C2 Extraction:
185.19.85.136:6060
Unpacked files
SH256 hash:
8117591892c74b0c1fb83ec1b520585828144721e2a50c3ba740f95870eebc07
MD5 hash:
3157735be9fe28a0297a670f3310b248
SHA1 hash:
f887922635c00866fa64d58dbe5db99184852a6a
SH256 hash:
b5caab43f6ab270ddabe588f8613ee269b9af8fa62f1f245ea23f40a03c5f734
MD5 hash:
3286ccbf1c7002554bfb66a82b55da80
SHA1 hash:
809bb5f6e5d66bfa600db6c83910e8dcd6449c32
Detections:
win_asyncrat_w0
Parent samples :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 hash:
2cfbd01df154727110921fca2f082037f2ce0de1741fa7d31266d6a154f6c978
MD5 hash:
1320b5dd8a7b82834e43f6fe7109fa28
SHA1 hash:
1f10b84e15e8a54df8c5c0f5c3b63c25e3d8429f
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
SH256 hash:
079871499bdc91b180fcd73f10d7db76fcabbbdd29017ad0f8fe82f5c18b39a8
MD5 hash:
9b6a3d454a982494b37bc30318ac5914
SHA1 hash:
68f88064e4d03d94106b230cd86e36d85d249c2a
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

AsyncRAT

Executable exe 079871499bdc91b180fcd73f10d7db76fcabbbdd29017ad0f8fe82f5c18b39a8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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