MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6df3c6922f22b891c70219ee95a56200a8adf65f859d5b640b98efed6bf8c3c9. 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 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6df3c6922f22b891c70219ee95a56200a8adf65f859d5b640b98efed6bf8c3c9
SHA3-384 hash: 6f5eaebdc35bc33f479b0b2ea8aa0447f6dac0ecbbed9e83c9ed3f505c04c69f16d84e6627999f1af510bdaa060e547a
SHA1 hash: e7a440530835e9084c665978885aa9ee1589ec77
MD5 hash: c1aba1e6a06e39ce09992872247451a7
humanhash: video-hydrogen-minnesota-arizona
File name:c1aba1e6a06e39ce09992872247451a7.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'894'792 bytes
First seen:2022-04-10 05:00:27 UTC
Last seen:2022-04-10 05:31:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:qLZVR2x9/m0uoYDh6hjSVMvRs7KFMFDBHBAZcI5QdFsvKxS09mVX:MVR2qTh6hjGMvq7UMA5QdSaEX
TLSH T130956B123B980FA7EA9F5BF661B0DB3881A1AC25737555CE0EC1EEF738A3741490D252
File icon (PE):PE icon
dhash icon 36c29292b2e88c82 (54 x AgentTesla, 33 x RedLineStealer, 11 x Formbook)
Reporter abuse_ch
Tags:AsyncRAT exe RAT signed

Code Signing Certificate

Organisation:TEST
Issuer:TEST
Algorithm:sha1WithRSAEncryption
Valid from:2022-04-04T16:18:21Z
Valid to:2023-04-04T16:18:21Z
Serial number: 4ddaf762507b41c59ea0ded2fa3502e1
Thumbprint Algorithm:SHA256
Thumbprint: 69832d48671176e90b91e6c2cbdd928e86295c4a09698b871f9dbf123dd9d139
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
AsyncRAT C2:
92.118.36.201:6606

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
92.118.36.201:6606 https://threatfox.abuse.ch/ioc/518093/

Intelligence

File Origin
# of uploads :
2
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://www.valoressinfronteras.org/952734.ISO
Verdict:
Malicious activity
Analysis date:
2022-04-05 13:24:39 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b639636e-ecc6-445d-ae3c-fb7f4f7c0cc7

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/262373/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.50068892.13037.29594.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Adding exclusions to Windows Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat obfuscated overlay packed replace.exe
Link:
https://www.filescan.io/uploads/6252648f0d7cd5530a78c510/reports/2cb1c77c-42f7-446b-b863-5106d1dae49c/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/07d242c4-6c57-4bed-ba56-232d850bfbda
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/971776
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
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: File Created with System Process Name
Sigma detected: Suspcious CLR Logs Creation
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 604257 Sample: 952734.EXE Startdate: 06/04/2022 Architecture: WINDOWS Score: 100 42 127.0.0.1 unknown unknown 2->42 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected UAC Bypass using CMSTP 2->50 52 11 other signatures 2->52 8 952734.EXE 4 6 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 4 other processes 2->16 signatures3 process4 dnsIp5 34 C:\Windows\Resources\Themes\...\svchost.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\...\952734.EXE.log, ASCII 8->36 dropped 54 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->54 56 Creates autostart registry keys with suspicious names 8->56 58 Creates an autostart registry key pointing to binary in C:\Windows 8->58 68 2 other signatures 8->68 19 952734.EXE 8->19         started        22 powershell.exe 25 8->22         started        24 powershell.exe 24 8->24         started        26 powershell.exe 8->26         started        38 C:\Users\user\AppData\...\svchost.exe.log, ASCII 12->38 dropped 60 Multi AV Scanner detection for dropped file 12->60 62 Injects a PE file into a foreign processes 12->62 64 Drops executables to the windows directory (C:\Windows) and starts them 14->64 40 192.168.2.1 unknown unknown 16->40 66 Changes security center settings (notifications, updates, antivirus, firewall) 16->66 file6 signatures7 process8 dnsIp9 44 92.118.36.201, 3001, 49772, 49775 AS209132NL Romania 19->44 28 conhost.exe 22->28         started        30 conhost.exe 24->30         started        32 conhost.exe 26->32         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6df3c6922f22b891c70219ee95a56200a8adf65f859d5b640b98efed6bf8c3c9/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-04 23:25:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 42 (47.62%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nxz4nerpek4jdrycdhxjljlcacuk35s7qwovwzaltdx6227yypeq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default evasion persistence rat trojan
Link:
https://tria.ge/reports/220410-fnjc1aebhl/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Windows security modification
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
Windows security bypass
Malware Config
C2 Extraction:
92.118.36.201:6606
92.118.36.201:7707
92.118.36.201:8808
92.118.36.201:3001
Unpacked files
SH256 hash:
6df3c6922f22b891c70219ee95a56200a8adf65f859d5b640b98efed6bf8c3c9
MD5 hash:
c1aba1e6a06e39ce09992872247451a7
SHA1 hash:
e7a440530835e9084c665978885aa9ee1589ec77
Link:
https://www.unpac.me/results/5799b570-af45-47f4-bd03-10d39f6b98a9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/6df3c6922f22b891c70219ee95a56200a8adf65f859d5b640b98efed6bf8c3c9

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
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
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
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/262373/

Comments