MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6a983fddf6bcb3a4fdf93ad8ff0fb48e893bd11e4e4c5d2412e68c98f03b54. 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 3 File information Comments

SHA256 hash: af6a983fddf6bcb3a4fdf93ad8ff0fb48e893bd11e4e4c5d2412e68c98f03b54
SHA3-384 hash: e9f22f4287eb25c6e905b54e975c6311a0803d43205ee5d327ee6fdcf32f468b38c13861ff5bbe766667ddb3bef813db
SHA1 hash: 88798001c898391298a6f4abd61e0518e633684a
MD5 hash: 437f8c67e26fd3bf4f9b21174d65b2a0
humanhash: fish-apart-paris-hawaii
File name:Price Inq 01.xls.exe
Download: download sample
Signature AsyncRAT
File size:349'696 bytes
First seen:2021-10-13 13:44:36 UTC
Last seen:2021-10-13 15:10:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:6Sx1K29ZfZwM9yhDe521t3TsIewcv1Q78EfMkhBM7YB:6SHT9ZV9seAjs3P12ESBMs
Threatray 1'510 similar samples on MalwareBazaar
TLSH T1CE749DA47F99D84EF36A9C785231DF84C63D664B3713C625D9BF507A93AC79028C2283
File icon (PE):PE icon
dhash icon 88a28e9494aa94d2 (14 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter GovCERT_CH
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
180
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Price Inq 01.xls.exe
Verdict:
Malicious activity
Analysis date:
2021-10-13 21:46:47 UTC
Tags:
n/a

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

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
UNKNOWN
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.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 502265 Sample: Price Inq 01.xls.exe Startdate: 13/10/2021 Architecture: WINDOWS Score: 100 51 185.19.85.136, 49761, 49771, 49807 DATAWIRE-ASCH Switzerland 2->51 53 192.168.2.3, 443, 49678, 49680 unknown unknown 2->53 57 Multi AV Scanner detection for dropped file 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected AntiVM3 2->61 63 9 other signatures 2->63 9 Price Inq 01.xls.exe 10 2->9         started        13 windows update.exe 4 2->13         started        signatures3 process4 dnsIp5 45 C:\Users\user\AppData\Roaming\kdWKSPLD.exe, PE32 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmp7CC0.tmp, XML 9->47 dropped 49 C:\Users\user\...\Price Inq 01.xls.exe.log, ASCII 9->49 dropped 65 Adds a directory exclusion to Windows Defender 9->65 16 Price Inq 01.xls.exe 6 9->16         started        19 powershell.exe 23 9->19         started        21 schtasks.exe 1 9->21         started        23 Price Inq 01.xls.exe 9->23         started        55 192.168.2.1 unknown unknown 13->55 file6 signatures7 process8 file9 43 C:\Users\user\AppData\...\windows update.exe, PE32 16->43 dropped 25 cmd.exe 1 16->25         started        27 cmd.exe 1 16->27         started        29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        process10 process11 33 conhost.exe 25->33         started        35 timeout.exe 1 25->35         started        37 windows update.exe 25->37         started        39 conhost.exe 27->39         started        41 schtasks.exe 1 27->41         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-10-13 12:35:54 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat evasion rat
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
Maps connected drives based on registry
Checks BIOS information in registry
Loads dropped DLL
Executes dropped EXE
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
Unpacked files
SH256 hash:
e5546c6b00d48a7d622ae3aeb19436f9915fd90092b2be00986423500259046f
MD5 hash:
3a3bfcc2c9725bac30409c72e921e2c3
SHA1 hash:
5475fe92846f3651dabd07cf3a569434848ea1da
SH256 hash:
5aca65d0bd8e958a8bdac2a0886fa83846f7166d67974426536f2ce2dde3060b
MD5 hash:
55b852d53fdaa26c886ebab628216e11
SHA1 hash:
457e212ff382b3d16dc2d180302b1f43c5a64b65
Detections:
win_asyncrat_w0
SH256 hash:
eda4d687b865aed0078ab87078de7d9722888b2d2af71c6fc0dcdc986ffb7567
MD5 hash:
12cf5402be16590c300b442a66e9ebc1
SHA1 hash:
0ea28394d301ca1ce840f039d2da62a5ce6d9334
SH256 hash:
af6a983fddf6bcb3a4fdf93ad8ff0fb48e893bd11e4e4c5d2412e68c98f03b54
MD5 hash:
437f8c67e26fd3bf4f9b21174d65b2a0
SHA1 hash:
88798001c898391298a6f4abd61e0518e633684a
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: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 af6a983fddf6bcb3a4fdf93ad8ff0fb48e893bd11e4e4c5d2412e68c98f03b54

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments