MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
SHA3-384 hash: cc18b7bc5b825cd67f7622b504be10009878ffe5134b3070ce339afcf01f5fe925e6f7e48f2a8f8b707cd054076ee9df
SHA1 hash: 899f94a9504ec011830549f5315166cb17d10254
MD5 hash: c44b18d1c80a159d8dbd5addf08c57bd
humanhash: tennessee-pasta-louisiana-florida
File name:b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
Download: download sample
Signature AgentTesla
Create hunting rule
File size:241'664 bytes
First seen:2023-11-21 09:22:01 UTC
Last seen:2023-11-27 09:19:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:QdShlJ1x4LZBPqvsOnWwojdlzZI+Q/zHK75Un+AGyYKz:QghlJ1x4LZ4BWXvZIdrqinfGV
Threatray 2'139 similar samples on MalwareBazaar
TLSH T127340E037E88EB15E5A83E3782EF6C2413B2B4C71633D60B6F49AF5618516825C7E72D
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
317
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
Verdict:
Malicious activity
Analysis date:
2023-11-21 09:22:41 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/cbc6db28-06ce-43c2-bb49-cf49969017d3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459465/
Detection(s):
Win.Packed.Msilperseus-9956591-0
Create hunting rule

Win.Packed.Generic-10003641-0
Create hunting rule

Win.Packed.Generic-10011753-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm control evasive fingerprint greyware hacktool hook keylogger lolbin packed remote replace stealer
Link:
https://www.filescan.io/uploads/655c76c115cd82a1c998bdc8/reports/8a0b2f79-8502-467c-b6ce-8ed74b4552a2/overview
Verdict:
Malicious
Labled as:
Dacic.64A56CA5.A.Generic
Link:
https://www.hybrid-analysis.com/sample/b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
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/134a8b66-3fe3-4718-a73c-54839bdbb22f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345676
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-21 05:54:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xff6b4ece6kqsuowheqbggnxry3yzovu3rktu66oabvorsf3shsa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40
AgentTesla
1a3f9ac2abe62763028d1975825e0058620a4c1cd4cdc6ab9ace7b34f5a1eacd
AgentTesla
3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0
AgentTesla
9928ab1dc80e716442ef84dbf93c5141423990f6f011f7efe8626ebe76ba1a2e
AgentTesla
b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
AgentTesla
+ 2'129 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231121-lbyj2sec4y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
MD5 hash:
c44b18d1c80a159d8dbd5addf08c57bd
SHA1 hash:
899f94a9504ec011830549f5315166cb17d10254
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/8be193ca-7a28-42fb-a92c-54ca2a747006/
Parent samples :
3d05623da2f66ee7073d88d4e4703551e779a136d0296f8d4073c52c93a469a0
9928ab1dc80e716442ef84dbf93c5141423990f6f011f7efe8626ebe76ba1a2e
1a3f9ac2abe62763028d1975825e0058620a4c1cd4cdc6ab9ace7b34f5a1eacd
147030ad2b34a1be1d22bf564cae6d2a858c37d9237d97e28050bf32dc8c5a40
b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b94be0f08227/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/b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4

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:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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 b94be0f08227950951d639201319b78e378cbab4dc553a7bce006ae8c8bb91e4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459465/

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