MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e. 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


AgentTesla


Vendor detections: 8


Intelligence 8 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e
SHA3-384 hash: 93a28cec20ec400e30acff37f1df9fca9a209a24abc9ea675f1bd35c89dd750c8f221fca156bb3a585edaa2a7c1b7f7d
SHA1 hash: a5c8b5a1aa7c786463609d0bc844a5710d1b4361
MD5 hash: fea76b9861cd494170f5edd89179dbb3
humanhash: victor-magnesium-enemy-equal
File name:Kviitung_04-12-2023.rar
Download: download sample
Signature AgentTesla
Create hunting rule
File size:617'163 bytes
First seen:2023-12-04 17:35:43 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 12288:3H8nfotulgPDaqAc07qzo1n9oCgVrQhFBvyR0mMR:3RtdPDaPqzoF9OVrQFd1f
TLSH T1B2D423CF48AD36C46BE9D5E21B848114747F7129DAFA63CEA1C28F153F276499803AC8
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla rar


Avatar
cocaman
Malicious email (T1566.001)
From: "Ekaterina Kazimirova <kazimirova@intervactechnology.com>," (likely spoofed)
Received: "from intervactechnology.com (unknown [141.98.10.93]) "
Date: "4 Dec 2023 06:28:39 +0100"
Subject: "RE: RE: RE: RE: new order for Separator gel with high viscosity 5500 kg"
Attachment: "Kviitung_04-12-2023.rar"

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
CH CH
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Kviitung_04-12-2023.exe
File size:641'536 bytes
SHA256 hash: f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a
MD5 hash: a98f880aefb9f770cf0f280b6aabfc63
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/656e0e45da3178d99cd72d8a/reports/798b513f-9d17-4830-8f3f-92a72a3f2238/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e
Result
Verdict:
MALICIOUS
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-04 17:38:35 UTC
File Type:
Binary (Archive)
Extracted files:
10
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ckg6lye5arj33tr2x2kdxcghflnqmwlrzhnt5zxia5n5mzi4gvxa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231204-xe7gxaec2v/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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/128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information

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

Malspam

AgentTesla

rar 128de5e09d0453bdce3abe943b88c72adb065971c9db3ee6e8075bd6651c356e

(this sample)

AgentTesla

Executable exe f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 f4c0c2490f385084d7673926acb7c950c30dfba656a77c85493cfc04889d002a
  
Dropping
AgentTesla

Comments