MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459. 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: 16


Intelligence 16 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459
SHA3-384 hash: 497e63281dbd154bc8b09747c0d11b128f8f398fbfe4b91793369c7916ea98c562a0b1572e172fb2d8d9c082ee284fd9
SHA1 hash: cbc5deab2b43575c064105254c50c19a56d194f3
MD5 hash: e9cce458a0ea7b98a75b8ed67c9550d0
humanhash: hamper-arkansas-grey-echo
File name:M3VAQtY4jqGyrtO.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:680'448 bytes
First seen:2024-02-15 11:02:19 UTC
Last seen:2024-02-19 08:42:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:K+k5eQ5vziPebg4+m55viY41bw3h0AEpizspqhyJpYgSZ7N2NmKF/OxE+TP7II:GriPaz+rnbRAEoAHDSZ7NFCwEaPk
TLSH T176E4233137A1CE3BCE6C4779ACF8588147B635548B81DA0A6FC830EC65B37C9C96A617
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
295
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/476309/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Stealing user critical data
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed shell32
Link:
https://www.filescan.io/uploads/65cdef77af1f66769e14ca44/reports/99f9eddc-fa1b-4c6d-a1ad-8521de53c1a6/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459
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/d974d787-e5e2-4b56-a6b4-91ce78ef9b5e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1392803
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
Sample uses string decryption to hide its real strings
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
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2024-02-13 10:09:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2guvvi4jof4vquc6vo5y6nliyujdzvkvqdlzqnqqh56wynfoyrmq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
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/240215-m5qxqsfd55/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
c4ddb4f3bdebdbd5408daf974abcfb429f50bbe25fb398461504db417f16dbcf
MD5 hash:
08300dd18c5a5125afc2bc1e58616a2a
SHA1 hash:
c03fa013b4721494bd1227ec12b173b5f90a49f3
Link:
https://www.unpac.me/results/e06da486-baca-4014-be39-bef2f07a8856/
SH256 hash:
971c821aa19832e04f1dd44b19cdb909d36d27be2f9e62edd10bf7887a43d15a
MD5 hash:
6d7a285502323918820b8513b5f33d75
SHA1 hash:
9633177bbb29c2563fec4a7dd381f4a278588437
Link:
https://www.unpac.me/results/e06da486-baca-4014-be39-bef2f07a8856/
SH256 hash:
c7a895d4b4e533ea57343d9bb38000e1bf7ec425dc8e26d98802586ed4e3cdf7
MD5 hash:
5636d0ee89ef70973521f87c0b7c5014
SHA1 hash:
769300042e9e0fd5269d630c2487c00e8d16706b
Link:
https://www.unpac.me/results/e06da486-baca-4014-be39-bef2f07a8856/
SH256 hash:
2988d52e7522c59c6e452cb3c90dac3a45a35b7a08c7ed336cf97303d00d3478
MD5 hash:
87e8834d963fd07857a97549e02ab2e1
SHA1 hash:
3c596fcb5a3bf2a6a310f14d0d26989e94c47c99
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/e06da486-baca-4014-be39-bef2f07a8856/
Parent samples :
f90861b6e43c170e5f8b7ce5549dbfec82ce017e52e9269587b80731daba06d7
d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459
d803e265f3a0fec3abd21fd79b66c08d8823774195799b776f773f0510973edb
2b5b8b60ac84749f0eafd0baac2f04c71049e6dfb6f87f18b2f8dd09d1805d71
SH256 hash:
d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459
MD5 hash:
e9cce458a0ea7b98a75b8ed67c9550d0
SHA1 hash:
cbc5deab2b43575c064105254c50c19a56d194f3
Link:
https://www.unpac.me/results/e06da486-baca-4014-be39-bef2f07a8856/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d1a95aa38971/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/d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459

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:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AgentTesla

Executable exe d1a95aa389717958505eabbb8f3568c5123cd55580d79836103f7d6c34aec459

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/476309/

Comments