MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b264479fe94356b7722736ac60566c2430e635023933fca1834d6e0bce604449. 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 1 YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b264479fe94356b7722736ac60566c2430e635023933fca1834d6e0bce604449
SHA3-384 hash: ca4e3605b03a5211f28df720fe1bb3b292f0f928fe027923716fc09df2776f2cc32d0ff7a2ea56c3ad3b85bf285619d6
SHA1 hash: a98c17fe0ae934db542ea7ee207d8a8e254eea10
MD5 hash: e801956435179f3817e559479dd04273
humanhash: finch-pluto-queen-arizona
File name:B264479FE94356B7722736AC60566C2430E635023933F.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:851'456 bytes
First seen:2022-10-26 06:10:41 UTC
Last seen:2022-10-26 07:26:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:tsVJXFwqsoQwEvGn/SUZ7aRLB8lSV3ZUlWvEAh4cc71LDhXXGG4X7ld6c8M9x8P5:tQJXdtsSW5hFcxdXXGJLac8M9wRHL
TLSH T15705CF123C689A57CBD974BF129A8BDB70A1BCA04644698584C9AD4DCF76A4FC3F31CC
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
179.13.5.152:4204

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
179.13.5.152:4204 https://threatfox.abuse.ch/ioc/949906/

Intelligence

File Origin
# of uploads :
2
# of downloads :
258
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
B264479FE94356B7722736AC60566C2430E635023933F.exe
Verdict:
Malicious activity
Analysis date:
2022-10-26 06:13:13 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/76116df2-a813-4801-960c-56465e9e4723

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/324212/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.43442.25583.30920.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2cc94bf9-2c3c-4c7e-88d6-ffd82ff0694b
Result
Threat name:
AsyncRAT, PhoenixRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1098068
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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
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 AsyncRAT
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PhoenixRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 730714 Sample: B264479FE94356B7722736AC605... Startdate: 26/10/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 12 other signatures 2->52 7 B264479FE94356B7722736AC60566C2430E635023933F.exe 1 7 2->7         started        11 CookiesTemp.exe 4 2->11         started        13 CookiesTemp.exe 3 2->13         started        process3 file4 38 C:\Users\user\AppData\...\CookiesTemp.exe, PE32 7->38 dropped 40 C:\Users\...\CookiesTemp.exe:Zone.Identifier, ASCII 7->40 dropped 42 B264479FE94356B772...E635023933F.exe.log, ASCII 7->42 dropped 54 Encrypted powershell cmdline option found 7->54 56 Writes to foreign memory regions 7->56 58 Injects a PE file into a foreign processes 7->58 15 InstallUtil.exe 2 7->15         started        18 powershell.exe 16 7->18         started        20 InstallUtil.exe 7->20         started        60 Antivirus detection for dropped file 11->60 62 Multi AV Scanner detection for dropped file 11->62 64 Machine Learning detection for dropped file 11->64 22 powershell.exe 11->22         started        24 InstallUtil.exe 11->24         started        26 InstallUtil.exe 11->26         started        28 powershell.exe 13->28         started        30 InstallUtil.exe 13->30         started        signatures5 process6 dnsIp7 44 strekhost2030.duckdns.org 179.13.5.152, 4204, 49699 ColombiaMovilCO Colombia 15->44 32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        36 conhost.exe 28->36         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b264479fe94356b7722736ac60566c2430e635023933fca1834d6e0bce604449/
Threat name:
Win32.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-09-20 01:06:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
31 of 42 (73.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjseph7jinllo4rhg2wgavtmeqyomnichez7zimdjvxaxttaireq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:zzzzzzzzzzzzzzzzzzzdepredator persistence rat
Link:
https://tria.ge/reports/221026-gxlp6aehdn/
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
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
strekhost2030.duckdns.org:4204
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6ff9af7a-8498-4699-9a73-12ba4b4fbc15
Unpacked files
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/0a75611b-dda0-4fe5-bcdd-6aa25e6a2a50/
SH256 hash:
9735bb76a989d81044d17928bacedcb6f3605f5642e2b89b596ad05a9ca17d20
MD5 hash:
a9e0fa96d8f30f741cbf55245f26617a
SHA1 hash:
75d102658488431090b503a8149ecef4806d6b57
Link:
https://www.unpac.me/results/0a75611b-dda0-4fe5-bcdd-6aa25e6a2a50/
SH256 hash:
6fda7e2db7eccb8db0b01f4a292fbc9a2f4f5612ff2ffce3529cffd01fee4424
MD5 hash:
83a6040ced23846f1aea1e9873472a08
SHA1 hash:
2cfe83d20e0267aab1505dab0cf4ad8aa321f47e
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/0a75611b-dda0-4fe5-bcdd-6aa25e6a2a50/
SH256 hash:
b264479fe94356b7722736ac60566c2430e635023933fca1834d6e0bce604449
MD5 hash:
e801956435179f3817e559479dd04273
SHA1 hash:
a98c17fe0ae934db542ea7ee207d8a8e254eea10
Link:
https://www.unpac.me/results/0a75611b-dda0-4fe5-bcdd-6aa25e6a2a50/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b264479fe943/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b264479fe94356b7722736ac60566c2430e635023933fca1834d6e0bce604449

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
Create hunting rule
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Create hunting rule
Author:Elastic Security
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/324212/

Comments