MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26f274b2521ca2f2c7e27ee2b4cfd14423ba43dbadfd97a25352f3eaf4a0e524. 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: 26f274b2521ca2f2c7e27ee2b4cfd14423ba43dbadfd97a25352f3eaf4a0e524
SHA3-384 hash: d6145df4546771ba06dd2ed876abc178f73d4e809194bd08dcd70d194ad316ca2ceac4447bcdb9b211a9d167918c1b21
SHA1 hash: cb73a70bd2bd487854c3ecfa98b98acebb421c2f
MD5 hash: 7b9c677ec1ecf41631a896bfed96c787
humanhash: aspen-grey-indigo-mississippi
File name:VRT03SAWRQUIMB08VA_001_PDF.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:128'000 bytes
First seen:2022-11-18 15:22:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'595 x Formbook, 12'238 x SnakeKeylogger)
ssdeep 3072:XtVJ8+sZGffq5ZdpDh7V66MwRvZWA7GGitJFu4Ki:Xt9sZCGZDDJVTMM7D2Funi
TLSH T17EC3AECD33C4BFB1C46D08369D9BC9E41F30ED658215BB273178B66A5C337896162B8A
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 e0c6dfa5aeebcbdc (20 x Fabookie, 2 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
VRT03SAWRQUIMB08VA_001_PDF.exe
Verdict:
Malicious activity
Analysis date:
2022-11-18 15:23:27 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/08e2be89-2c76-4d1d-9cd5-b7577666f084

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/335799/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.10718.564.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Creating a file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm obfuscated packed
Link:
https://www.filescan.io/uploads/6377a3586fda73cab64e5e77/reports/96718a07-38ac-4269-b318-89f872b2caed/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:
ModernLoader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/98ea83ff-3be1-4e9c-ac2e-158854a04a7c
Result
Threat name:
AsyncRAT, DcRat, VenomRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116625
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected DcRat
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749337 Sample: VRT03SAWRQUIMB08VA_001_PDF.exe Startdate: 18/11/2022 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic 2->66 68 Multi AV Scanner detection for domain / URL 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 9 other signatures 2->72 7 VRT03SAWRQUIMB08VA_001_PDF.exe 3 2->7         started        11 rtcfbf.exe 3 2->11         started        13 rtcfbf.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 60 C:\...\VRT03SAWRQUIMB08VA_001_PDF.exe.log, ASCII 7->60 dropped 76 Writes to foreign memory regions 7->76 78 Allocates memory in foreign processes 7->78 80 Injects a PE file into a foreign processes 7->80 17 cmd.exe 3 7->17         started        20 cmd.exe 1 7->20         started        23 vbc.exe 1 2 7->23         started        82 Machine Learning detection for dropped file 11->82 26 cmd.exe 11->26         started        32 2 other processes 11->32 28 cmd.exe 13->28         started        34 2 other processes 13->34 30 cmd.exe 15->30         started        36 5 other processes 15->36 signatures5 process6 dnsIp7 56 C:\Users\user\AppData\Roaming\rtcfbf.exe, PE32 17->56 dropped 58 C:\Users\user\...\rtcfbf.exe:Zone.Identifier, ASCII 17->58 dropped 38 conhost.exe 17->38         started        74 Uses schtasks.exe or at.exe to add and modify task schedules 20->74 40 conhost.exe 20->40         started        42 schtasks.exe 1 20->42         started        62 gratedmonth.duckdns.org 103.151.123.121, 49698, 8890 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 23->62 64 192.168.2.4, 138, 443, 49690 unknown unknown 23->64 48 2 other processes 26->48 50 2 other processes 28->50 52 2 other processes 30->52 44 conhost.exe 32->44         started        46 conhost.exe 34->46         started        54 4 other processes 36->54 file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/26f274b2521ca2f2c7e27ee2b4cfd14423ba43dbadfd97a25352f3eaf4a0e524/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-18 15:23:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e3zhjmssdsrpfr7cp3rljt6riqr3uq63vx6zpistklz6v5fa4usa._file
Verdict:
malicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:venom clients rat
Link:
https://tria.ge/reports/221118-ssgfeshf85/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
gratedmonth.duckdns.org:8890
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5a9dbafa-7d3b-4202-9412-f38c4994e213
Unpacked files
SH256 hash:
c0abb0129a16e8bb8558f9ed4056feb684f21402f9181a2ab44493eb08d048f3
MD5 hash:
ea973b35b280d761580cdc25476bd634
SHA1 hash:
420d58519dc9ceeea34ced6a4f7d991e256fc4f6
Detections:
VenomRat
Create hunting rule
Link:
https://www.unpac.me/results/ab71ef70-6780-46fd-8450-9f839eb82b58/
SH256 hash:
26f274b2521ca2f2c7e27ee2b4cfd14423ba43dbadfd97a25352f3eaf4a0e524
MD5 hash:
7b9c677ec1ecf41631a896bfed96c787
SHA1 hash:
cb73a70bd2bd487854c3ecfa98b98acebb421c2f
Link:
https://www.unpac.me/results/ab71ef70-6780-46fd-8450-9f839eb82b58/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/26f274b2521c/report/overview.html
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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Cape
Cape
https://www.capesandbox.com/analysis/335799/

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