MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23
SHA3-384 hash: 191dbb3a4e34f75d86d96841ef9d14db7a20dff234d498bab9c9b69cf2c300ed22f7f2e8da5280330264a1f4beb8fca7
SHA1 hash: 48b235f7391897a74388298f1bacced653a48d09
MD5 hash: f7fe46d344a5f172defc4734e4202600
humanhash: nuts-quebec-uniform-green
File name:f7fe46d344a5f172defc4734e4202600
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:637'440 bytes
First seen:2022-01-26 06:01:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:1FEQ1m+uHw1eqlqQvc+Sd2xkhbnnbHlhr3h+MhHjs0s8rwzs5VY0lRlEW:zs822xkhbnnbHzl+MdMswp03l
TLSH T109D4AE1632E0C134C28D2C358CE47954AF33F15F78D2F964EEA2DA457BB9784A618A73
File icon (PE):PE icon
dhash icon 2c12b27112726418 (23 x AgentTesla, 4 x Formbook, 4 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f7fe46d344a5f172defc4734e4202600
Verdict:
Malicious activity
Analysis date:
2022-01-26 06:08:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dcbbe24a-79f2-434b-9290-6c9a4cbd7de9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/222995/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Running batch commands
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61f0e3e28581cbffe084f68e/reports/e97beb0f-78c7-4a26-a559-7124caaed7d1/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/6ba2a09a-82b4-4c00-8334-cb074d034081
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/927650
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 560126 Sample: lyIr68koBh Startdate: 26/01/2022 Architecture: WINDOWS Score: 100 79 Multi AV Scanner detection for dropped file 2->79 81 Multi AV Scanner detection for submitted file 2->81 83 Yara detected AntiVM3 2->83 85 7 other signatures 2->85 10 lyIr68koBh.exe 7 2->10         started        14 images.exe 2->14         started        process3 file4 67 C:\Users\user\AppData\...\JvbAIunwiiW.exe, PE32 10->67 dropped 69 C:\Users\...\JvbAIunwiiW.exe:Zone.Identifier, ASCII 10->69 dropped 71 C:\Users\user\AppData\Local\Temp\tmpB98.tmp, XML 10->71 dropped 73 C:\Users\user\AppData\...\lyIr68koBh.exe.log, ASCII 10->73 dropped 87 Uses schtasks.exe or at.exe to add and modify task schedules 10->87 89 Adds a directory exclusion to Windows Defender 10->89 91 Injects a PE file into a foreign processes 10->91 16 lyIr68koBh.exe 6 10->16         started        19 powershell.exe 22 10->19         started        21 schtasks.exe 1 10->21         started        93 Multi AV Scanner detection for dropped file 14->93 95 Machine Learning detection for dropped file 14->95 23 powershell.exe 14->23         started        25 schtasks.exe 14->25         started        27 images.exe 14->27         started        29 images.exe 14->29         started        signatures5 process6 file7 65 C:\Users\user\AppData\Roaming\images.exe, PE32 16->65 dropped 31 cmd.exe 16->31         started        33 cmd.exe 1 16->33         started        35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        process8 process9 43 images.exe 31->43         started        46 conhost.exe 31->46         started        48 timeout.exe 31->48         started        50 conhost.exe 33->50         started        52 schtasks.exe 33->52         started        signatures10 97 Adds a directory exclusion to Windows Defender 43->97 54 powershell.exe 43->54         started        56 schtasks.exe 43->56         started        58 images.exe 43->58         started        process11 dnsIp12 61 conhost.exe 54->61         started        63 conhost.exe 56->63         started        75 91.193.75.132, 49750, 49756, 49757 DAVID_CRAIGGG Serbia 58->75 77 192.168.2.3, 443, 49678, 49679 unknown unknown 58->77 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-01-26 06:02:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/220126-grf8gsheek/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
c084cd69a6dba6a8d58ae58d3d744abdb3781fd83bf2d53be4ae0da7103190d8
MD5 hash:
3de7b1b444adc1dcdbc9db7fbe91d611
SHA1 hash:
cffd041d160e71f5a22425fca4af597763d9b791
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/45a35f3c-2e35-4f44-9dae-1235fdb13bae/
Parent samples :
f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23
1660e0ec19de33e8fc633f7f8538b0b19f05765ecdacc63f2e43bdc4c716096e
d1bb3096cd920d4c3ca880bb368cf0a0aa4b74b4afc8defd01fb472952f40a15
SH256 hash:
dfb548787c6c711eeb5f4172460e067333b7c2de2769e133b7864dfcf08c24f7
MD5 hash:
eb5a776a8fa4319b081a330f92006d6b
SHA1 hash:
7b5165b6b3163a6b9f98f89d5371c7386b2e4663
Link:
https://www.unpac.me/results/45a35f3c-2e35-4f44-9dae-1235fdb13bae/
SH256 hash:
5247926388ed51a1178cb1de85bc5df1443c240ace43d7d9386edf8d7fceec02
MD5 hash:
9a6cb543f17cc6f61c016dbc8a331bc2
SHA1 hash:
62210e9d0f4d5b8101886a336feb3e1ae0eaf824
Link:
https://www.unpac.me/results/45a35f3c-2e35-4f44-9dae-1235fdb13bae/
SH256 hash:
f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23
MD5 hash:
f7fe46d344a5f172defc4734e4202600
SHA1 hash:
48b235f7391897a74388298f1bacced653a48d09
Link:
https://www.unpac.me/results/45a35f3c-2e35-4f44-9dae-1235fdb13bae/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f65b4e4e1286/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/f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23

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: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 f65b4e4e128658c16a312b6b69a607661e09666ee2da27e74ed2023f563fbd23

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2006905/
Cape
Cape
https://www.capesandbox.com/analysis/222995/

Comments


Avatar
zbet commented on 2022-01-26 06:01:35 UTC

url : hxxps://vacandgold.com/more.exe