MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76
SHA3-384 hash: dde8af429386de65bd31001c00b32a24be0d955676a1d5d7c888b7d9e9629aa0bb722ae78a3b3f088109977b392be434
SHA1 hash: 66bc8ebce42692ea61ccae7ca3dfced83ea0b5f0
MD5 hash: 3246acde7d64ed7e91abb238cf23f212
humanhash: zulu-october-snake-north
File name:3246acde7d64ed7e91abb238cf23f212.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:196'608 bytes
First seen:2022-12-08 11:16:25 UTC
Last seen:2022-12-08 12:47:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:8Ay/OIASkWdW8Z1OYlP0tguw7VZ7F7dzwQS+tjOUobT5FQJgIPHNPYX+IMYp:8AgxnkYJegu2NJf7jsb1FQSIPHNPYX+U
TLSH T146144ADD761076DFC85BC872CEA82C64EA64787B831B9203905316ED9A0D99BCF191F3
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 30b2c4c8c8c4b030 (53 x Formbook, 41 x RemcosRAT, 20 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/344309/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.23279.18176.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Сreating synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6391c7b055eb3470cd4ff29a/reports/89d46626-bf82-4b41-a639-90ad7200dd41/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:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74734b8f-659b-4a67-84b1-3e219f0bff3a
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130656
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Sigma detected: Copy file to startup via Powershell
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
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: 763381 Sample: Y1H3RZ2wZ8.exe Startdate: 08/12/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 16 other signatures 2->46 7 Y1H3RZ2wZ8.exe 1 2->7         started        11 SysNNbBbNtem.exe 1 2->11         started        process3 file4 28 C:\Users\user\AppData\...\Y1H3RZ2wZ8.exe.log, ASCII 7->28 dropped 48 Writes to foreign memory regions 7->48 50 Allocates memory in foreign processes 7->50 52 Injects a PE file into a foreign processes 7->52 13 powershell.exe 13 7->13         started        17 RegSvcs.exe 2 7->17         started        20 powershell.exe 3 11->20         started        22 RegSvcs.exe 3 11->22         started        signatures5 process6 dnsIp7 30 C:\Users\user\AppData\...\SysNNbBbNtem.exe, PE32 13->30 dropped 32 C:\Users\...\SysNNbBbNtem.exe:Zone.Identifier, ASCII 13->32 dropped 54 Drops PE files to the startup folder 13->54 56 Powershell drops PE file 13->56 24 conhost.exe 13->24         started        34 chinasea.duckdns.org 173.234.105.145, 49705, 5201 LEASEWEB-AS-APLEASEWEBAUSTRALIAPTYLIMITEDAU Australia 17->34 36 192.168.2.1 unknown unknown 17->36 38 windowsupdatebg.s.llnwi.net 17->38 26 conhost.exe 20->26         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-12-07 15:33:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hc6furdons75q4mym7n3ced6fowbbjwk7k2x6k3lgusdouqj7z3a._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/221208-ndpq2ahg86/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chinasea.duckdns.org:5201
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6e8f02a0-1a24-4ff1-9349-c12a814dfbd5
Unpacked files
SH256 hash:
fd56a07f2da75c84337cbf94e0acafc09fb909cfb187a0ae214827ce2c4708bb
MD5 hash:
d93c5f59ddc41313bf36f106a2f1fe17
SHA1 hash:
97c5cd9d0689c1cd74685bc979122a13eba3fcc9
Link:
https://www.unpac.me/results/a35fcc69-c5c8-41ba-a5cd-b41c2fd8e19d/
SH256 hash:
d01b21b44e64f74cdaeb87ef9e7df7a41bb3e970b69269f57b131e5feda0e510
MD5 hash:
dbb6e6aade8494ddd3ce3c0cec3b61bd
SHA1 hash:
2a7f00c2d5a17ba17cec6a76a903c55ccaab0707
Link:
https://www.unpac.me/results/a35fcc69-c5c8-41ba-a5cd-b41c2fd8e19d/
SH256 hash:
88493538808758c24b4ffc3892890861f2fc1dfe07079967f8da24419dbfd485
MD5 hash:
491d4783455d291256144ed9ed4f9715
SHA1 hash:
0aae86b0b0f366149694c4150d47bad1176ae65e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/a35fcc69-c5c8-41ba-a5cd-b41c2fd8e19d/
Parent samples :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 hash:
38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76
MD5 hash:
3246acde7d64ed7e91abb238cf23f212
SHA1 hash:
66bc8ebce42692ea61ccae7ca3dfced83ea0b5f0
Link:
https://www.unpac.me/results/a35fcc69-c5c8-41ba-a5cd-b41c2fd8e19d/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38bc5a446e6c/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/38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76

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_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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.

Web download

AsyncRAT

Executable exe 38bc5a446e6cbfd8719867dbb1107e2bac10a6cafab57f2b6b3524375209fe76

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2449490/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/344309/

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