MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a64ac7715f779b591f789eb4e66a54a8e8a26855a89089ee6e6080f61231a7c9. 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: 9
| SHA256 hash: | a64ac7715f779b591f789eb4e66a54a8e8a26855a89089ee6e6080f61231a7c9 |
|---|---|
| SHA3-384 hash: | 7ae6a0a6c8bab236ead0bad569f337bf3f0fcb23931cb8e6d65d268fb6a203e3ecac59ab113fe7e074e5b624111afd8a |
| SHA1 hash: | 011d411b3a0829f9cb468853e20824d0baad2173 |
| MD5 hash: | 2f9ef6a1d891c9a6d3eb9cf3523ab799 |
| humanhash: | pizza-eleven-cola-double |
| File name: | STW-PO#121020_Inquiry.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 452'096 bytes |
| First seen: | 2020-10-12 08:41:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:iWl2Iaf11H89LoyDPVncV0Sqxh2dh59dH8:iJld18LoyDGV0Sqxh2dhHd |
| Threatray | 352 similar samples on MalwareBazaar |
| TLSH | 6AA4E0323764EB26E53EE7BD183910042BF1B496EB11D36ABD9580DD09B6F85C762B03 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
abuse_ch
Malspam distributing AsyncRAT:From: "LyndSea" <hr@leasano.pw>
Reply-To: "LyndSea" <jack.piaau@gmail.com>
Subject: RE: Strapworks Drawing + PO Inquiry
Attachment: STW-PO121020_Inquiry.iso (contains "STW-PO#121020_Inquiry.exe")
Intelligence
File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Creating a window
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
Creating a file
DNS request
Connection attempt
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Connects to a pastebin service (likely for C&C)
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 submitted file
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
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-12 08:43:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 342 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
rat family:asyncrat
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
null:null
Unpacked files
SH256 hash:
a64ac7715f779b591f789eb4e66a54a8e8a26855a89089ee6e6080f61231a7c9
MD5 hash:
2f9ef6a1d891c9a6d3eb9cf3523ab799
SHA1 hash:
011d411b3a0829f9cb468853e20824d0baad2173
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
1a3af9e398b24f1228b562d0ab89be9418b7f9dc5c83d7e5e4584389fc5449f6
MD5 hash:
aa1c1fbdc598afb725409585a570c159
SHA1 hash:
2a67f7c7b8a3685831209cef485f9708981dddb9
SH256 hash:
aaf25535feeef2ec4a4a41128f5f798079f2faa3b2f4143ea15a3cf9fca552f7
MD5 hash:
7894f94895821bf10998e0dae888d6b4
SHA1 hash:
bef3c0bf0c8b010430c51ed0a36e3ce6dac39fb5
SH256 hash:
109065a610edf41c7eda9887e40d9e0cb262691466bb14892851748b1cb83973
MD5 hash:
63dfa226598d0f1854bad04e4145e08c
SHA1 hash:
c4e564321f83610a2493886970e974536b17c739
Detections:
win_asyncrat_w0
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
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: | asyncrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect AsyncRat in memory |
| Reference: | internal research |
| Rule name: | Reverse_text_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Reverse text detected |
| Rule name: | win_asyncrat_j1 |
|---|---|
| Author: | Johannes Bader @viql |
| Description: | detects AsyncRAT |
| Rule name: | win_asyncrat_w0 |
|---|---|
| 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.
a4e514e927c7ce7a435fcce7b9ac78bc
Dropped by
MD5 a4e514e927c7ce7a435fcce7b9ac78bc
Delivery method
Distributed via e-mail attachment
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