MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
SHA3-384 hash: a85e081e451d81236b03d0a76c596386e547bab3533c3be933b41683c4496e974503facc744afa3cf1c1c59dda0ea94f
SHA1 hash: 8049b95b5250bad311950a218de4b9727e8f4579
MD5 hash: 1ee185cb3b4f78f2a24e61798952178b
humanhash: nine-high-sierra-undress
File name:Copy00106258873.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:315'768 bytes
First seen:2024-05-14 08:50:17 UTC
Last seen:2024-05-15 04:40:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:iOvQ/IaGuDfIeqpMTxV/wP8rjAILNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbO:FQIZe+MFVXx9stvLGtELbMUTKZ1H
TLSH T15264B643B145ECD6D1432ABAD8AFC5201678BE8ED162C60E3B47BB2A54D3353285B74F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f29296968e9e9ea6 (60 x AgentTesla, 37 x RedLineStealer, 35 x Formbook)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
94.156.65.181:3434

Intelligence

File Origin
# of uploads :
3
# of downloads :
396
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 09:35:12 UTC
Tags:
payload
Link:
https://app.any.run/tasks/e5f181e8-8140-4632-a7be-09b8eadc80d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Program.Unwanted.4610.3323.6896.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor overlay packed packed
Link:
https://www.filescan.io/uploads/6643260054aa07c307fa7282/reports/1b981ecd-bd8f-4afe-a568-b1eb0fe14742/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/eee78d0d-b266-4f93-b8d4-0f7841e26d39
Result
Threat name:
AgentTesla, AsyncRAT, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1441205
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for dropped file
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441205 Sample: Copy00106258873.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 54 api.ipify.org 2->54 66 Snort IDS alert for network traffic 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 8 other signatures 2->72 8 Copy00106258873.exe 16 5 2->8         started        13 savef.exe 14 3 2->13         started        15 savef.exe 2->15         started        signatures3 process4 dnsIp5 56 98.142.254.109, 49705, 49715, 49718 VELCOMCA Canada 8->56 52 C:\Users\user\AppData\Roaming\savef.exe, PE32 8->52 dropped 74 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->74 76 Writes to foreign memory regions 8->76 78 Allocates memory in foreign processes 8->78 17 RegAsm.exe 1 5 8->17         started        20 svchost.exe 8->20         started        80 Multi AV Scanner detection for dropped file 13->80 82 Injects a PE file into a foreign processes 13->82 22 RegAsm.exe 13->22         started        24 RegAsm.exe 15->24         started        file6 signatures7 process8 file9 40 C:\Users\user\AppData\...\FB_4BBA.tmp.exe, PE32 17->40 dropped 42 C:\Users\user\AppData\...\FB_4B1D.tmp.exe, PE32 17->42 dropped 26 FB_4B1D.tmp.exe 14 2 17->26         started        30 FB_4BBA.tmp.exe 2 17->30         started        44 C:\Users\user\AppData\...\FB_69E.tmp.exe, PE32 22->44 dropped 46 C:\Users\user\AppData\...\FB_610.tmp.exe, PE32 22->46 dropped 32 FB_610.tmp.exe 22->32         started        34 FB_69E.tmp.exe 22->34         started        48 C:\Users\user\AppData\...\FB_26A9.tmp.exe, PE32 24->48 dropped 50 C:\Users\user\AppData\...\FB_25FC.tmp.exe, PE32 24->50 dropped 36 FB_25FC.tmp.exe 24->36         started        38 FB_26A9.tmp.exe 24->38         started        process10 dnsIp11 58 66.29.151.236, 49713, 49722, 49724 ADVANTAGECOMUS United States 26->58 60 api.ipify.org 104.26.13.205, 443, 49712, 49721 CLOUDFLARENETUS United States 26->60 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->84 86 Tries to steal Mail credentials (via file / registry access) 26->86 88 Machine Learning detection for dropped file 26->88 62 192.168.2.7, 123, 138, 3434 unknown unknown 30->62 64 94.156.65.181, 3434 TERASYST-ASBG Bulgaria 30->64 90 Antivirus detection for dropped file 36->90 92 Multi AV Scanner detection for dropped file 36->92 94 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->94 96 2 other signatures 36->96 signatures12
Score:
96%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-05-14 08:48:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hv265xrrdey7v5g4iyaidgpx3re2iirxhcfmqry4hjnaoqzpwjbq._file
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:asyncrat family:zgrat botnet:april3rd2024 keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/240514-kr54dshg22/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Async RAT payload
AgentTesla
AsyncRat
Detect ZGRat V1
ZGRat
Malware Config
C2 Extraction:
94.156.65.181:3434
Unpacked files
SH256 hash:
3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
MD5 hash:
1ee185cb3b4f78f2a24e61798952178b
SHA1 hash:
8049b95b5250bad311950a218de4b9727e8f4579
Link:
https://www.unpac.me/results/b7f5d6e1-b263-4b43-8936-245ee07a34d5/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3d75eede3119/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AsyncRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243

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:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments