MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 427254247932e569d3f40be5ce149266b0a87ed13756ab558818dae5dcabb44a. 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: 8
| SHA256 hash: | 427254247932e569d3f40be5ce149266b0a87ed13756ab558818dae5dcabb44a |
|---|---|
| SHA3-384 hash: | 93fb75871b7d53aa4c3cfa0183b0f188f9c6bac61b95600ae12db12366a924f8955f84579f2ed33f0e69daad8f66c9ee |
| SHA1 hash: | 148d80f999f069a5fd027eabfc9eae7d08f8e39b |
| MD5 hash: | 5cc4ae3ea66ca80fa701b8e1ff5b8793 |
| humanhash: | may-uniform-cola-chicken |
| File name: | Summer_richiesta_di_preventivo_070820.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 253'952 bytes |
| First seen: | 2020-08-07 13:26:18 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 3072:g3RB022geEDN4v8PyHjDwSEaX/WNqPD4Ui59FqsNKhJKrTgHgrzGY6MkElvMcuZr:d2EEDNEHwSEqj4p9FqwoAH6ZcusXY |
| Threatray | 1'918 similar samples on MalwareBazaar |
| TLSH | 73446C3C43080D67D07F4AFC8831421252F5D28324E1E696BEED65E819D3BCA5F6A76B |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe geo ITA nVpn RAT |
abuse_ch
Malspam distributing AsyncRAT:From: Matteo <Matteo@leifheit.com>
Reply-To: Matteo.leifheit@post.com
Subject: Leifheit richiesta di preventivo
Attachment: Summer_richiesta_di_preventivo_070820.z (contains "Summer_richiesta_di_preventivo_070820.exe")
AsyncRAT C2:
185.140.53.9:7003
Hosted on nVpn:
% Information related to '185.140.53.0 - 185.140.53.255'
% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'
inetnum: 185.140.53.0 - 185.140.53.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU3
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-07-28T20:56:03Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Connects to a pastebin service (likely for C&C)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Status:
Malicious
First seen:
2020-08-07 13:28:07 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 1'908 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
rat family:asyncrat
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
AsyncRat
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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