MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf
SHA3-384 hash: 62a627f889c04410e73d70edf367311630e5453a39b3bb519074dc2ea035d3ddc2b0604c4091a4f32552fa0a1e5862c3
SHA1 hash: 90aed0f7474acd6321af277d6f9f81cf0674405d
MD5 hash: 4101ca6880258f103df2c744efda4cde
humanhash: stream-lemon-single-golf
File name:AS000456879.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:472'877 bytes
First seen:2023-03-22 06:55:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 3072:IfY/TU9fE9PEtuoRbtv9BAthLEMw5m4i9zgngzRtunMK1L4PQw/ihbceYSgOt:+Ya64D1Mw5mZgnqiEPv/somt
Threatray 795 similar samples on MalwareBazaar
TLSH T1E2A47B30B1FDC2C5D1A93938ED1BB0F95994EE21D8608C5F3E987E0A34716A2F93525E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 316d4d4d5d554569 (4 x AgentTesla, 4 x Stealc, 3 x RemcosRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
172.245.251.219:2015

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
AS000456879.exe
Verdict:
Malicious activity
Analysis date:
2023-03-22 06:58:20 UTC
Tags:
trojan rat asyncrat quasar
Link:
https://app.any.run/tasks/b3b826da-4d31-4db5-b862-bd00237998e2

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/376366/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
babar comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/641aa684c60b3295f52c8994/reports/adfe47ea-ffdf-43fc-a5a2-889130f2bbcd/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf
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/b382bf5f-586f-482f-846b-b348d106b859
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1199071
Signature
.NET source code contains potential unpacker
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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)
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 831976 Sample: AS000456879.exe Startdate: 22/03/2023 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->54 56 7 other signatures 2->56 7 AS000456879.exe 19 2->7         started        10 cluqa.exe 1 2->10         started        13 cluqa.exe 1 2->13         started        process3 file4 34 C:\Users\user\AppData\Local\...\vubdwujj.exe, PE32 7->34 dropped 15 vubdwujj.exe 1 3 7->15         started        58 Multi AV Scanner detection for dropped file 10->58 60 Machine Learning detection for dropped file 10->60 19 WerFault.exe 4 10 10->19         started        21 conhost.exe 10->21         started        23 WerFault.exe 10 13->23         started        26 conhost.exe 13->26         started        signatures5 process6 dnsIp7 36 C:\Users\user\AppData\Roaming\...\cluqa.exe, PE32 15->36 dropped 42 Multi AV Scanner detection for dropped file 15->42 44 Detected unpacking (changes PE section rights) 15->44 46 Detected unpacking (creates a PE file in dynamic memory) 15->46 48 4 other signatures 15->48 28 vubdwujj.exe 1 2 15->28         started        32 conhost.exe 15->32         started        38 192.168.2.1 unknown unknown 23->38 file8 signatures9 process10 dnsIp11 40 172.245.251.219, 2015, 49698, 49704 AS-COLOCROSSINGUS United States 28->40 62 Tries to harvest and steal browser information (history, passwords, etc) 28->62 signatures12
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-03-22 06:56:08 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2uahjvejcr3ewnk3rhryoy3m7pbnl5o26f5yv7xbjegbo2x4z67q._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1376df41ef75f22b8d35a4407c9aa23789e82c5b49bbef3cba7406bafa067122
AsyncRAT
165a4a13cc076a6cf2a41f4b6bb1d2336033d9976d0abb8f02e941eb64a6f963
AsyncRAT
25f79d0c4a4ed6b6e706b6cc4df77a0af567127215b001c331f66899cf38f363
AsyncRAT
2e5c6d2c1e1eac4e565f8d71544b7d54c7b1834555edf51254ea70c9a23a28f2
AsyncRAT
47c3e044af3684dfa7d4d7885d9452358620d9e98c25fffe0d0c82c9f72fbf08
AsyncRAT
498a462f90680268425f0be93b68cf289a0aafa02c9159e2f708a55d7c694896
AsyncRAT
4d13c083733f91952877388ea9aca09aab32bb5f31a422c0fb0590921cb2316e
AsyncRAT
6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381
AsyncRAT
c65474ab1e1cf358b34fb782e40b9208d967624bb63d4f58a749d7b27c0aee71
AsyncRAT
e3f0cf7effaf970e55ce7b44afa66607f8126403523b609849339d551011480f
AsyncRAT
+ 785 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default persistence rat spyware stealer
Link:
https://tria.ge/reports/230322-hqcpcahc6t/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
172.245.251.219:2015
Unpacked files
SH256 hash:
9fafdf42926181bee4b0e814907d060568e9578a9ac834069638c699757f2e4b
MD5 hash:
adba09c1a1bae1fca7a24748a8088b28
SHA1 hash:
1657b9e782e90e3ea7c97a0da9efde1568089d56
Link:
https://www.unpac.me/results/02353d8f-8b4f-4395-9b10-680cab06f167/
SH256 hash:
d50074d48914764b355b89e387636cfbc2d5f5daf17b8afee1490c176afccfbf
MD5 hash:
4101ca6880258f103df2c744efda4cde
SHA1 hash:
90aed0f7474acd6321af277d6f9f81cf0674405d
Link:
https://www.unpac.me/results/02353d8f-8b4f-4395-9b10-680cab06f167/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d50074d48914/report/overview.html
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:AsyncRat
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:msil_suspicious_use_of_strreverse
Create hunting rule
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
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/376366/

Comments