MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25d5292a98310d54fee67972b0e8d736fcef644c5225782de4cf0c48645ae1e9. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25d5292a98310d54fee67972b0e8d736fcef644c5225782de4cf0c48645ae1e9
SHA3-384 hash: 840fd8d88de331aaaa15931d517b40bf4f309777bfc65161b337e7cd25dfdd12d955899c110fa01a5c39e38fbb3f6afe
SHA1 hash: dc6f77ad396564de351adfacdbd4046906e19ab1
MD5 hash: a2b50378a1dd5eece93788db5904d49a
humanhash: alaska-oxygen-bluebird-happy
File name:PF.202008.0609987.DOCX.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:527'360 bytes
First seen:2020-08-06 07:49:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:MVsYZXLDmPfDyl2iC73+Gt1yveiwib/G7GLGTeU/+ZwdBMz6zYNXqGugsFduHVvu:OsYEukZkGK0L++M2wdcuHVv9el/QU
Threatray 17 similar samples on MalwareBazaar
TLSH BAB4E0003B869903C7798FBB4A65412042B6EE5E6E22E2937FC4329B587E7FC09157D7
Reporter abuse_ch
Tags:AsyncRAT exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: kilofrw.com127.0.0.1
Sending IP: 195.140.215.143
From: info@prplcompany.info
Subject: Confirmation de commande / ProForma
Attachment: PF.202008.0609987.DOCX.img (contains "PF.202008.0609987.DOCX.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/40321/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by creating a file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/412509
Signature
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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 AntiVM_3
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25d5292a98310d54fee67972b0e8d736fcef644c5225782de4cf0c48645ae1e9/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-06 06:28:53 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=exksskuygegvj7xgpfzlb2gxg36o6zcmkisxqlpez4geqzc24huq._file
Verdict:
unknown
Similar samples:
2bde030373678bb2df1223cd3e3c4e7f2992e30739dcc63b688368f02a100067
AsyncRAT
417d90bf7d85a12dd9b199f97a0f7315532a71e0c09c124d50258dda532e0b20
AsyncRAT
4eea1a09dcccd930ad5de4e344ccb530b679229c96ec94fb5e6f3ff1f39223b7
AsyncRAT
52c75df3543c463db5b76675707d5969efe89d763cfe7a5567479b3313a16234
AsyncRAT
5605f8e6000402125426e6f6dabd257cf299aa6b179b9ebde2db059aa19e5d12
AsyncRAT
939b2ae76b674d4fde311eb4374a5f0eaaf3d154a038fdd5febb84bec0734a77
AsyncRAT
95d7eca3a8e15537e6d6205da5441735897e21f39e6f0958338226e75a6961c8
AsyncRAT
9ad045eecb8dc619dd3e4e44d0dd7deab1a7214bfe8929e83559d424a3e02f9e
AsyncRAT
c6a810bf84ea3fd17a282d2a10bec7811c79ff751d5dbcf9eb84cff95f1fd5ba
AsyncRAT
d59f4326de544446fc05984fc4ed5d1b2bd32cbeecaad97474af2ac24befeb67
AsyncRAT
+ 7 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
vmprotect
Link:
https://tria.ge/reports/200806-1h1d1v4pbj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
VMProtect packed file
VMProtect packed file
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/25d5292a98310d54fee67972b0e8d736fcef644c5225782de4cf0c48645ae1e9

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AsyncRAT

img 2611be74c9c82daa033e065314e2fde88f571e2ee903657d3c207bfa51d774b9

AsyncRAT

Executable exe 25d5292a98310d54fee67972b0e8d736fcef644c5225782de4cf0c48645ae1e9

(this sample)

  
Dropped by
MD5 a3032cedab40193881b10b6396b133f0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 2611be74c9c82daa033e065314e2fde88f571e2ee903657d3c207bfa51d774b9
Cape
Cape
https://www.capesandbox.com/analysis/40321/

Comments