MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c. 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 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c
SHA3-384 hash: d06f312c555e4ed227e816bfb75610634ee4dbcfd80a04361197627e0a3477e688040909b040898c18ae69e043901bd7
SHA1 hash: b549c86fa6b1872979fc068d4c0114c9bb19784e
MD5 hash: 8973f706edd3e9b17b7784bbdd34b36f
humanhash: missouri-fish-crazy-item
File name:VOICE_MESSAGE02100.EXE
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:41'984 bytes
First seen:2022-04-05 19:11:07 UTC
Last seen:2022-04-05 19:49:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:95xSKUhbCUASoztM0rV32lgN9aoz+i9O4UNH55eFlSrmuK4:/xlUhbBzEvnyBRI4rZ
Threatray 1'134 similar samples on MalwareBazaar
TLSH T11A1306F556A44ED1FAF61F34B6A7E9303009BF279C93BA493F98F0D12A70A0CC599560
File icon (PE):PE icon
dhash icon e8dc694d69691478 (2 x AsyncRAT, 1 x AveMariaRAT, 1 x MassLogger)
Reporter cocaman
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
12
# of downloads :
306
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/261094/
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.IO.genEldorado.91.5310.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/624c9484db9ca5cf84270e9a/reports/f044376b-95d7-4bff-87eb-af5ab0f2fcdf/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/be78f838-0dad-430d-a942-6536cc092035
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971101
Signature
.NET source code contains potential unpacker
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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 submitted file
Sigma detected: Silenttrinity Stager Msbuild Activity
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 Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 603634 Sample: VOICE_MESSAGE02100.EXE Startdate: 05/04/2022 Architecture: WINDOWS Score: 100 60 api.telegram.org 2->60 62 api.anonfile.com 2->62 78 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->78 80 Found malware configuration 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 11 other signatures 2->84 8 VOICE_MESSAGE02100.EXE 16 7 2->8         started        13 Wsotbb.exe 14 3 2->13         started        15 Wsotbb.exe 2->15         started        signatures3 process4 dnsIp5 64 ammouriarts.com 151.106.103.120, 443, 49768, 49789 PLUSSERVER-ASN1DE Germany 8->64 50 C:\Users\user\AppData\Roaming\...\Wsotbb.exe, PE32 8->50 dropped 52 C:\Users\user\...\Wsotbb.exe:Zone.Identifier, ASCII 8->52 dropped 54 C:\Users\user\...\VOICE_MESSAGE02100.EXE.log, ASCII 8->54 dropped 86 Writes to foreign memory regions 8->86 88 Injects a PE file into a foreign processes 8->88 17 MSBuild.exe 14 13 8->17         started        21 cmd.exe 1 8->21         started        23 MSBuild.exe 2 8->23         started        25 cmd.exe 1 8->25         started        90 Machine Learning detection for dropped file 13->90 27 cmd.exe 13->27         started        66 192.168.2.1 unknown unknown 15->66 29 cmd.exe 15->29         started        file6 signatures7 process8 dnsIp9 56 freegeoip.app 188.114.97.7, 443, 49792 CLOUDFLARENETUS European Union 17->56 70 Tries to steal Mail credentials (via file / registry access) 17->70 72 Tries to harvest and steal browser information (history, passwords, etc) 17->72 74 Tries to harvest and steal Bitcoin Wallet information 17->74 76 Uses ping.exe to check the status of other devices and networks 21->76 31 PING.EXE 1 21->31         started        34 conhost.exe 21->34         started        36 timeout.exe 1 21->36         started        58 severdops.ddns.net 62.197.136.69, 49787, 6204 SPRINTLINKUS Netherlands 23->58 38 conhost.exe 25->38         started        40 timeout.exe 1 25->40         started        42 PING.EXE 27->42         started        46 2 other processes 27->46 44 PING.EXE 29->44         started        48 2 other processes 29->48 signatures10 process11 dnsIp12 68 google.com 142.250.185.238 GOOGLEUS United States 31->68
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-04-05 19:12:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
10 of 26 (38.46%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7hzku7dln2z6kf63qoyyhpefakp6awjk3gmilznghzusefpqoiwa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
05bd6e05fa5cba8cf94a0cfd567351cd15e2d873e9e6ae3a951175e21deddaf4
AsyncRAT
4c0f83c722bdcb38b3d53a1cebc80b777ee6e02742e27a384ac39d7e51f4e7dd
AsyncRAT
5a94c5fee27b53c98286774dddf29892ee25e6326e1db3e22db264766af39889
AsyncRAT
5cfe7a77271ab8187988cdd1a9259c16cb636dcf6c63aceb977f62aa570ab419
AsyncRAT
8592d578f269100d67bf1faa464e23de7bf0c1266bad19d2bf6bcce0501158a3
AsyncRAT
b8868eb87c7cb945704e2d0b8ec2ebdc890cd6df12f9ef0a7295582c7fd0cf1f
AsyncRAT
c9d7cb68dec80469c3c03b0e90c7af1972462ca7779424db3bfd9d44aebaa624
AsyncRAT
cec4f834904872bea22fc5be10142a10accab72e4fb882a86d91db46891caaa7
AsyncRAT
+ 1'124 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat collection persistence rat spyware
Link:
https://tria.ge/reports/220405-xwgyksbhb5/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AsyncRat
Unpacked files
SH256 hash:
f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c
MD5 hash:
8973f706edd3e9b17b7784bbdd34b36f
SHA1 hash:
b549c86fa6b1872979fc068d4c0114c9bb19784e
Link:
https://www.unpac.me/results/d6cdc138-5d13-40e0-a7c9-003c7d8928d8/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f9f2aa7c6b6e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c

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.

Malspam

AsyncRAT

img 9e26b1ffb4695e01375dad4838b88b6aa20c399820abc2678a9cf2a575d96f45

AsyncRAT

Executable exe f9f2aa7c6b6eb3e517db83b183bc85029fe0592ad99885e5a63e692215f0722c

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 9e26b1ffb4695e01375dad4838b88b6aa20c399820abc2678a9cf2a575d96f45
Cape
Cape
https://www.capesandbox.com/analysis/261094/

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