MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28073a988c9c4227dac8997449b8e5706ee88a58fd92e17f9c0c4586f0be829f. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 28073a988c9c4227dac8997449b8e5706ee88a58fd92e17f9c0c4586f0be829f
SHA3-384 hash: d20f364c6d8c87910962ba94e88bee5dc9818519512c5dc3a841a9f4f0986450000cd0a634401b20f29542328d3244f5
SHA1 hash: 3b35f6664d139d06436322c97fc7f10437988702
MD5 hash: 7427a18b6a21774c62011d6b42331001
humanhash: wisconsin-nine-orange-ack
File name:Product Inquiry - Yamazaki_2021 OS-005_pdf.exe
Download: download sample
Signature AsyncRAT
File size:264'192 bytes
First seen:2021-06-28 12:00:07 UTC
Last seen:2021-06-28 12:59:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:Sfu2zEcKnjyo/ln/Xy1usPTRqDzB6iXgs6f8hnsqhzYiBA5+:Sm2l8jyo/MPIAiXgBrqZYiC5
Threatray 926 similar samples on MalwareBazaar
TLSH 2E44E01C2EED0059E177AF7A5AF43659CA7EB7172607D41E2891034A0E23F41DEA2A3D
Reporter malwarelabnet
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
164
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Product Inquiry - Yamazaki_2021 OS-005_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-06-28 12:01:56 UTC
Tags:
trojan rat asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
UNKNOWN
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
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-06-28 12:00:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
23 of 46 (50.00%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
timairvpn.ddns.net:52090
Unpacked files
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
SH256 hash:
c5a6ed37b83982ee1140e9011b591f7a689b9b79b01987d3fade54221db2f716
MD5 hash:
4b73824e815c7f4cbc9b590076c4737c
SHA1 hash:
693c215f7df90ac80554689f19941e547bae8183
SH256 hash:
28073a988c9c4227dac8997449b8e5706ee88a58fd92e17f9c0c4586f0be829f
MD5 hash:
7427a18b6a21774c62011d6b42331001
SHA1 hash:
3b35f6664d139d06436322c97fc7f10437988702
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments