MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903. 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: 16


Intelligence 16 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903
SHA3-384 hash: 420e2bd3f55d7548b03308bd5fc63c0e8f9ca578275e7da4d4a1a6f1fe9db889a3700632bcbf194da1b48a74849fdc9b
SHA1 hash: 08cd3b748ec9fd2833a7f12019b4c618ee0185ef
MD5 hash: 24bd42b57ca59e260369b704bcf1d17b
humanhash: monkey-beryllium-lamp-december
File name:24bd42b57ca59e260369b704bcf1d17b.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:104'960 bytes
First seen:2022-10-20 23:19:06 UTC
Last seen:2022-10-21 00:22:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:nFOxEuXFhkWFUnWJRuc3LAdswUUVE2uHmjFFzvOcHyg/bMO6X:nFOx1XfSWJvLA2w5VndBFqcHyg/bMr
Threatray 2'981 similar samples on MalwareBazaar
TLSH T121A3390B9694B9EDE02B9AB36D5B9E5EF638B953790DCB051261470F10221CEF243DD3
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
20.107.115.162:50239

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
20.107.115.162:50239 https://threatfox.abuse.ch/ioc/895272/

Intelligence

File Origin
# of uploads :
2
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
24bd42b57ca59e260369b704bcf1d17b.exe
Verdict:
Malicious activity
Analysis date:
2022-10-20 23:22:52 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/3425edd3-7217-4978-9e00-6c97b425e045

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/322151/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.14.2861.511.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult packed
Link:
https://www.filescan.io/uploads/6351d7a4fdf6478a15afaaa9/reports/8ae6e552-f25a-4992-9ccc-829b7793e3bc/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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/38f4f1e2-5878-459e-bf6e-4bfeae7f4c88
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1094531
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 727169 Sample: x99yXq4f3W.exe Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 10 other signatures 2->44 8 x99yXq4f3W.exe 3 2->8         started        12 FileManagerr.exe 2 2->12         started        14 FileManagerr.exe 1 2->14         started        process3 file4 34 C:\Users\user\AppData\...\x99yXq4f3W.exe.log, CSV 8->34 dropped 46 Writes to foreign memory regions 8->46 48 Allocates memory in foreign processes 8->48 50 Injects a PE file into a foreign processes 8->50 16 RegAsm.exe 5 8->16         started        19 conhost.exe 12->19         started        21 conhost.exe 14->21         started        signatures5 process6 file7 32 C:\Users\user\AppData\...\FileManagerr.exe, PE32 16->32 dropped 23 RegAsm.exe 2 16->23         started        26 powershell.exe 1 12 16->26         started        28 RegAsm.exe 16->28         started        process8 dnsIp9 36 20.107.115.162, 49691, 50239 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 23->36 30 conhost.exe 26->30         started        process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903/
Threat name:
ByteCode-MSIL.Hacktool.ResInject
Create hunting rule
Status:
Malicious
First seen:
2022-10-18 11:42:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  1/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ju5lgjy3jn2vondtjpnulzsge7kmngf3ocmrlo4tqxvteog5debq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
592dea4eea3a4fc6540a4c677253f3936822f9040add569257eb1878cbafecca
AsyncRAT
7ec599424a161fe942345c2336dd0cfb8c7d64e6e72b8e90efd999328b06cc04
AsyncRAT
7ff8f569a151047f25f2f858e562e4b5b54d9af822105780f6c8a91ec4740124
AsyncRAT
b195c22e15188d7a28301bddfea3a6790ff522911f0eb1069292db17bcb62fa7
AsyncRAT
b26c95976936054915610598a19dabb10dd52f47b9edbdbadc079d2e91717814
AsyncRAT
b79d5a2f5f011eb02665057aec937277f09aa936e15f0d4e44fae931f89d2c59
AsyncRAT
d14649ed26723ca7525ddadcf587794a3906ba9ebb090c83499f269ba2fd6ab8
AsyncRAT
db91a1f06b3434c3f86c3df429e05e39d988bc929f9c7762c4f3215a2d56fe5a
AsyncRAT
+ 2'971 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:filemanager persistence rat
Link:
https://tria.ge/reports/221020-3bd9vabah9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
20.107.115.162:50239
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9857379c-698b-4e84-a5b9-8d8b039a5b11
Unpacked files
SH256 hash:
b6f8e30f357d00817bc5a86b1946095f8976834124f896fd2e4429ff289ee6cf
MD5 hash:
ad71b7cbd163563577e7f1eaff8ac664
SHA1 hash:
15b423ee773a07235b5f4759debf66cb0efd0599
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/5176eae1-02f9-4776-8e2c-bbe2d7535e73/
Parent samples :
0fe7eb794d5cd8304eda8d15e03c5427790c42726fbd3205fef2e3ee14a64dcb
4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903
SH256 hash:
409af96ee98f204ca59e258705c7d1a6e0836912bc018ffcf277567060cc905e
MD5 hash:
719970c5522c85c16d218a50d4b9d065
SHA1 hash:
4492086c9b7e3bd2ea1c55338bb2eba69d829462
Link:
https://www.unpac.me/results/5176eae1-02f9-4776-8e2c-bbe2d7535e73/
SH256 hash:
4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903
MD5 hash:
24bd42b57ca59e260369b704bcf1d17b
SHA1 hash:
08cd3b748ec9fd2833a7f12019b4c618ee0185ef
Link:
https://www.unpac.me/results/5176eae1-02f9-4776-8e2c-bbe2d7535e73/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4d3ab3271b4b/report/overview.html
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/4d3ab3271b4b755734734bdb45e64627d4c698bb709915bb9385eb3238dd1903

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_NyanXCat_CSharpLoader
Create hunting rule
Author:ditekSHen
Description:Detects .NET executables utilizing NyanX-CAT C# Loader
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/322151/

Comments