MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
SHA3-384 hash: 90b44436a01d8f1e6f9cfaddafbf07d48300e3cdff73f9f93f81e11b2eed686977bea868a8c2e11546bf65985db5e39e
SHA1 hash: ee9af16a399b73b265cdbe7ec252156107459f99
MD5 hash: a369829113a0a8c5df8e1927c0f12345
humanhash: violet-burger-twelve-mississippi
File name:a369829113a0a8c5df8e1927c0f12345.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'204'736 bytes
First seen:2021-05-26 16:55:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:Ttv1ngTt6qvQFz29Jvt1kclxky5NMcJBiVAzJiZf6:0Q2n9ksNMcJwOz
Threatray 840 similar samples on MalwareBazaar
TLSH D2456BA83650729EC867C93289681CB4EAA17C76530BD60BA0D33E9CFA3D557DF144F2
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
136.243.191.199:5900

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
136.243.191.199:5900 https://threatfox.abuse.ch/ioc/64473/

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a369829113a0a8c5df8e1927c0f12345.exe
Verdict:
Malicious activity
Analysis date:
2021-05-26 22:39:13 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/9cc38408-e6e4-4838-98e3-adce28d34b16

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/162456/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.747-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/792894
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 425292 Sample: cAkprChGtW.exe Startdate: 26/05/2021 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->80 82 Found malware configuration 2->82 84 Antivirus / Scanner detection for submitted sample 2->84 86 9 other signatures 2->86 10 cAkprChGtW.exe 7 2->10         started        process3 file4 60 C:\Users\user\AppData\Local\...\tmp58CF.tmp, XML 10->60 dropped 62 C:\Users\user\AppData\...\cAkprChGtW.exe.log, ASCII 10->62 dropped 64 C:\Users\user\AppData\Roaming\AiWEmFj.exe, PE32 10->64 dropped 96 Detected unpacking (changes PE section rights) 10->96 98 Detected unpacking (overwrites its own PE header) 10->98 100 Uses schtasks.exe or at.exe to add and modify task schedules 10->100 102 3 other signatures 10->102 14 MSBuild.exe 2 5 10->14         started        19 schtasks.exe 1 10->19         started        signatures5 process6 dnsIp7 74 alemdar571.duckdns.org 136.243.191.199, 49721, 49725, 59 HETZNER-ASDE Germany 14->74 76 192.168.2.1 unknown unknown 14->76 66 C:\Users\user\AppData\Local\Temp\xyhvhv.exe, PE32 14->66 dropped 68 C:\Users\user\AppData\Local\Temp\fgdwyl.exe, PE32+ 14->68 dropped 78 Tries to harvest and steal browser information (history, passwords, etc) 14->78 21 cmd.exe 1 14->21         started        24 cmd.exe 1 14->24         started        26 conhost.exe 19->26         started        file8 signatures9 process10 signatures11 88 Suspicious powershell command line found 21->88 90 Bypasses PowerShell execution policy 21->90 28 powershell.exe 14 21->28         started        30 conhost.exe 21->30         started        32 powershell.exe 13 24->32         started        34 conhost.exe 24->34         started        process12 process13 36 fgdwyl.exe 62 28->36         started        40 xyhvhv.exe 32->40         started        file14 46 C:\Users\user\AppData\...\unicodedata.pyd, PE32+ 36->46 dropped 48 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32+ 36->48 dropped 50 C:\Users\user\AppData\Local\...\select.pyd, PE32+ 36->50 dropped 58 56 other files (none is malicious) 36->58 dropped 92 May check the online IP address of the machine 36->92 94 Potentially malicious time measurement code found 36->94 42 fgdwyl.exe 1 36->42         started        52 C:\Users\user\AppData\Local\...\Process.exe, PE32 40->52 dropped 54 C:\Users\user\AppData\Local\...\Bypass.exe, PE32 40->54 dropped 56 C:\Users\user\AppData\Local\...\Defender.exe, PE32+ 40->56 dropped signatures15 process16 dnsIp17 70 ifconfig.me 34.117.59.81 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 42->70 72 discord.com 162.159.136.232 CLOUDFLARENETUS United States 42->72 104 Tries to harvest and steal browser information (history, passwords, etc) 42->104 signatures18
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-05-22 01:28:40 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=c36az3at3cg2hufdnzgefzzt3ohr4iok7qmp3aj2exgqxsbv6nna._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
213528a5164fcb5253010129aac3855b4b905c9c5a9514a2a2b9db7e2b592a73
AsyncRAT
8caf62d462e50ef6d1d21a018b8c3f99ef7713af0353d7fa23660f6a6f04a4b9
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
c64c2b5fd4c90ac4dd5c41b733d43669fd3dfa75342d98f29b7bd3178e6374de
AsyncRAT
c75f28cdb21bec49700a7579d3b630074e3fb6de4cda70c5937dcd8424bbebbf
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
fad55e42bde0dce163f94a0ac272418b17100a67e439574fdc49ab7e2b12bc3e
AsyncRAT
fb9bf51c0e56eace193c9c38ef65c297f5ec1bb0a0e2a3f05e9ec35efe094bb0
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 830 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat pyinstaller rat spyware stealer
Link:
https://tria.ge/reports/210526-s674dg4xt6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Detects Pyinstaller
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
136.243.191.199:4784
136.243.191.199:18
136.243.191.199:5900
136.243.191.199:59
alemdar571.duckdns.org:4784
alemdar571.duckdns.org:18
alemdar571.duckdns.org:5900
alemdar571.duckdns.org:59
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Cape
Cape
https://www.capesandbox.com/analysis/162456/

Comments