MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15
SHA3-384 hash: 7a9c2d66595957518c9e37a67dee5b192a396f83788256e3f0fb43f42ea106cbb576b2bd8b11123299829a254f016ff3
SHA1 hash: 3d7007acc57cb47ab18a37f3b70ad2260d57f045
MD5 hash: c2ecc2948f5d38a32023cf6e1ede8584
humanhash: music-wisconsin-mike-red
File name:VOICE_MESSAGE.EXE
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:41'984 bytes
First seen:2022-02-15 18:34:26 UTC
Last seen:2022-02-21 09:06:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:butWv8UuSMztM0rV3tlgG9aoz+i9O4UNH55eFlSrm2EG1:lvvdAs8yBRI4rTH
Threatray 4'506 similar samples on MalwareBazaar
TLSH T11D1305F556A45EE1FAF61F34BAA7D930300ABF278C93BB593F98F0D01671A0C8549960
File icon (PE):PE icon
dhash icon e8dc694d69691478 (2 x AsyncRAT, 1 x AveMariaRAT, 1 x MassLogger)
Reporter cocaman
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
10
# of downloads :
235
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Voice_message.img
Verdict:
Malicious activity
Analysis date:
2022-02-15 19:08:29 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/24008a06-ed51-4b72-b702-74cf032c39dc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/241681/
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.IO.genEldorado.2941.23925.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/620bf25aac8ad0468b4359da/reports/6eae78be-187e-4834-805a-941d90b79288/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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/30f7475c-1d12-4725-a69c-40453d07d158
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/940300
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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
Uses dynamic DNS services
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-02-15 18:35:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e5ccfwh3bkah5zavkiaszgokevzvkxcdumyus2cvja3mczdpjqkq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0045e4acf0984e3982a7b0c31f8c36ce86528657bf1a41c2b5cefc71b75e9c01
AsyncRAT
22cae78091c21f20872225afc645fa37d80d3b321cd9ba7a6fa1c903689f9fea
AsyncRAT
3287fbd78a264105b7504c5cda76878d8b80aeec38bd4ebe6a6298de0a187649
AsyncRAT
42e5b76705daee37d79456402795f0353bcd7eecbdcecfa863a5179dafe3c967
AsyncRAT
4a51bd5560e5eaf2f035cc6e077163a8643e14b5d313fd67c0a4531eec30e8fb
AsyncRAT
8b9fe16c60791ebf26b16b97b1dae67866f979996e5c19589d170f35fde35d04
AsyncRAT
d54ba0a6fa5afd571a0799253f94562b50d30842a6d66ba1af62419ed7713131
AsyncRAT
d8079b19aa1f119485291950ae0580757618dd23c4d18eed64e06aa3a86c1751
AsyncRAT
ec6636f70ab0c5c4a752505049efb9e4ebb856671e6c47fe0c869b9efdf254d7
AsyncRAT
+ 4'496 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat persistence rat
Link:
https://tria.ge/reports/220215-w8brnaafck/
Behaviour
Checks processor information in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
AsyncRat
Unpacked files
SH256 hash:
274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15
MD5 hash:
c2ecc2948f5d38a32023cf6e1ede8584
SHA1 hash:
3d7007acc57cb47ab18a37f3b70ad2260d57f045
Link:
https://www.unpac.me/results/2fc7e638-8502-4579-946e-e8ee9f1ba7fc/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/274422d8fb0a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15

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.

Malspam

AsyncRAT

img 3998ce9a86b09b1f2080c411b3152143a090fbc4a1e36f3e899ac3b9a79ac4af

AsyncRAT

Executable exe 274422d8fb0a807ee41552012c99ca2573555c43a3314968554836c1646f4c15

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3998ce9a86b09b1f2080c411b3152143a090fbc4a1e36f3e899ac3b9a79ac4af
Cape
Cape
https://www.capesandbox.com/analysis/241681/

Comments