MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72. 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: 17


Intelligence 17 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72
SHA3-384 hash: 5c315a992777dc62683fc2961136c7467c1264838396da0bf18cee9cb43bbee969a8debce1f44def63b452f9232b0add
SHA1 hash: 58765b51bf6ebee89b085dda047f06ab106b3cbd
MD5 hash: b419d8724f97769becff1367e8b53966
humanhash: nine-fix-pennsylvania-rugby
File name:chima.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:696'320 bytes
First seen:2023-11-24 17:28:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:AE6jD/9P5z5gF31Y7BBnuwVl2aUBR9aD/TZTXVKCTENz:AtD/9PhSF3Utz2F9aDdLUcEN
TLSH T162E4123A326D9FD7E63B53FA0D30800813F4AF2E4A55D6583ED535CB41AAB509F21963
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
CH CH
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460057/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.12556.6195.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6560dd61380413dc0c1e96d1/reports/d13f907e-51f0-41a1-af37-40aa8274de5d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1db64aa3-038f-4795-aa50-c419e4b4b75d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347535
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-24 07:55:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 23 (69.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsmooowz7sgtvf6sx43sczoydhbmtwypz4pa7l5xij2j3qbzfjza._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231124-v2jy1sda48/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
b40c51212af363bb685b5297ed6bf9f2b327f0ee31987c9eb4eb74fe79d925c6
MD5 hash:
af9c4cbc5be56020a32b6ae6c7d535d4
SHA1 hash:
ecd022f7261025c01779f742832372729e7b2bbf
Link:
https://www.unpac.me/results/9206283d-3763-47ad-92d3-1ac1eef62a0f/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/9206283d-3763-47ad-92d3-1ac1eef62a0f/
SH256 hash:
326ac748090ea9d6e394b16a815446983c329069253a07be984c616a61bc04bf
MD5 hash:
cc48d810ba8f5a81af71384cb3e1de88
SHA1 hash:
9d85da92fcd78803a427de4fe631fa0d9d814606
Link:
https://www.unpac.me/results/9206283d-3763-47ad-92d3-1ac1eef62a0f/
SH256 hash:
9584b93ff6afe50e4fed59e1a8a08828ee4c5e28ab0d995c13601e14589aaf5f
MD5 hash:
e0e3e4413e7d1b3b0d48a0d6d9a4183b
SHA1 hash:
5b1f276565b46f4a4b0b3023ae5a1b478c6abda1
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/9206283d-3763-47ad-92d3-1ac1eef62a0f/
Parent samples :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 hash:
4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72
MD5 hash:
b419d8724f97769becff1367e8b53966
SHA1 hash:
58765b51bf6ebee89b085dda047f06ab106b3cbd
Link:
https://www.unpac.me/results/9206283d-3763-47ad-92d3-1ac1eef62a0f/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4c98e73ad9fc/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/4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

File information

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

Malspam

AgentTesla

Executable exe 4c98e73ad9fc8d3a97d2bf372165d819c2c9db0fcf1e0fafb742749dc0392a72

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460057/

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