MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7911f7426d905079f5ff1b013867d0f8b8bfa73fdb487cd0ae3a7c7d16d9ea88. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7911f7426d905079f5ff1b013867d0f8b8bfa73fdb487cd0ae3a7c7d16d9ea88
SHA3-384 hash: 4c40de88e46d4306cc307c1f63f0dc5f6adc7115e0dc1c7f8e39cfcee5919897ee94bfef6e6f1f704623834a2b439dac
SHA1 hash: fb53642850e1fbe022b61a5b3b8be94b151a0680
MD5 hash: 682512ec0cec6307154f66eb09528542
humanhash: arkansas-island-nuts-east
File name:VoxilitySpoofer_V1.0.bin
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:67'072 bytes
First seen:2022-06-20 17:17:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:bn61DsIe1hisYVxGZZark1bbs2xRJN+asYNpqKmY7:bnee1EsYSZZag1bbs25NKYWz
Threatray 2'304 similar samples on MalwareBazaar
TLSH T192636B00339DC926E5DD86B8BCF2564106B4D23B2412DA4E7CC454DB9BAFBC64A133EE
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter KdssSupport
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
307
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
VoxilitySpoofer_V1.0.exe
Verdict:
Malicious activity
Analysis date:
2022-06-20 15:51:37 UTC
Tags:
asyncrat trojan loda loader
Link:
https://app.any.run/tasks/981285f1-5acb-4c9f-9df2-9d3d24760dfe

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/281697/
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Malware.Enigmaprotector-9874743-0
Create hunting rule

Win.Malware.Enigmaprotector-9881027-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy.exe evasive hacktool mpcmdrun.exe msconfig.exe njrat packed rat regedit.exe
Link:
https://www.filescan.io/uploads/62b0abd408903778452a521c/reports/71c96926-733b-4bbd-aab5-679384f41055/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9df7fc04-b266-4109-b10e-5549b54c3660
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016530
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (overwrites its own PE header)
Drops PE files with benign system names
Encrypted powershell cmdline option found
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
Multi AV Scanner detection for submitted file
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses whoami command line tool to query computer and username
Very long command line found
Yara detected AsyncRAT
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 649024 Sample: VoxilitySpoofer_V1.0.bin Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 8 other signatures 2->64 10 VoxilitySpoofer_V1.0.exe 7 2->10         started        14 svchost.exe 3 2->14         started        process3 file4 50 C:\Users\user\AppData\Roaming\svchost.exe, PE32 10->50 dropped 52 C:\Users\...\VoxilitySpoofer_V1.0.exe.log, ASCII 10->52 dropped 72 Detected unpacking (overwrites its own PE header) 10->72 74 Drops PE files with benign system names 10->74 16 cmd.exe 1 10->16         started        18 cmd.exe 1 10->18         started        21 SgrmBroker.exe 10->21         started        76 Antivirus detection for dropped file 14->76 78 System process connects to network (likely due to code injection or exploit) 14->78 80 Multi AV Scanner detection for dropped file 14->80 82 3 other signatures 14->82 signatures5 process6 signatures7 23 svchost.exe 1 2 16->23         started        27 conhost.exe 16->27         started        29 timeout.exe 1 16->29         started        66 Uses schtasks.exe or at.exe to add and modify task schedules 18->66 31 conhost.exe 18->31         started        33 schtasks.exe 1 18->33         started        process8 dnsIp9 54 criss23-27414.portmap.io 193.161.193.99, 27414, 49758, 49781 BITREE-ASRU Russian Federation 23->54 56 192.168.2.1 unknown unknown 23->56 70 System process connects to network (likely due to code injection or exploit) 23->70 35 powershell.exe 2 18 23->35         started        signatures10 process11 signatures12 68 Uses whoami command line tool to query computer and username 35->68 38 cmd.exe 35->38         started        40 conhost.exe 35->40         started        42 sc.exe 35->42         started        44 3 other processes 35->44 process13 process14 46 conhost.exe 38->46         started        48 MSASCuiL.exe 38->48         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7911f7426d905079f5ff1b013867d0f8b8bfa73fdb487cd0ae3a7c7d16d9ea88/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-06-20 17:18:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pei7oqtnsbiht5p7dmatqz6q7c4l7jz73nehzufohj6h2fwz5kea._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0162b4457b84b9a3d7978bd41db509a734cb8d098b7b847dd37cd381c4af3d7b
AsyncRAT
1bf4fa05d7f12a5fccdc00603cd5c730ce0b9ab5c89b05202ee38c0f163c4852
AsyncRAT
4743f18e28808ce90f8c9197c112fe5ceeb91c20f41b92a00034e2884cab1907
AsyncRAT
5c6457b1c5d9a5669d01a39aeabd18d08a8de3027e2667cc9418c5072341c931
AsyncRAT
6acd5eb47c8c0bd86c1f04947074656f1e77a48dc4f5d2b02b487b4942dfe6c9
AsyncRAT
709df2fcaf912ef11f49152efe8bc6eacfbf51e46f14c1ff0bf61352607c2ada
AsyncRAT
c6fc9524fec2a6e2d2954d11b67a4d86a3c4a5672f21c388b1ab555e6fd09888
AsyncRAT
d775bef532e71e692eb0e66292da60db38864a4f3dba5d2382ace1992ddd55f3
AsyncRAT
+ 2'294 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:venom clients rat
Link:
https://tria.ge/reports/220620-vt9vgafhhr/
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
Checks computer location settings
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
criss23-27414.portmap.io:27414
Unpacked files
SH256 hash:
7911f7426d905079f5ff1b013867d0f8b8bfa73fdb487cd0ae3a7c7d16d9ea88
MD5 hash:
682512ec0cec6307154f66eb09528542
SHA1 hash:
fb53642850e1fbe022b61a5b3b8be94b151a0680
Link:
https://www.unpac.me/results/83ea6381-ba3b-4fd0-96ab-faf8173dc507/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7911f7426d905079f5ff1b013867d0f8b8bfa73fdb487cd0ae3a7c7d16d9ea88

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:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_DcRatBy
Create hunting rule
Author:ditekSHen
Description:Detects executables containing the string DcRatBy
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs

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/281697/

Comments