MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82
SHA3-384 hash: 8cda97f9a5a5f1bd14bd1df6afd62b787419d40d7bd98dbb675ec5c18a25f15e749bba3c4168826d9962139d6cd6ab3d
SHA1 hash: 174cba29e19a2d1cf6c50bba9c18edb4c7c43c42
MD5 hash: 9416e34152a187988c70af4af3fd3662
humanhash: eight-seven-massachusetts-william
File name:SecuriteInfo.com.Trojan.MSIL.Crypt.11744.1980
Download: download sample
Signature AgentTesla
Create hunting rule
File size:732'160 bytes
First seen:2024-04-02 11:25:48 UTC
Last seen:2024-04-03 06:49:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:STZZcWXx/GxM1zsLDLHyYpjnmTt416Q84SzZwSJmcdJ5FoMfRU8LJNO:STZX/GVnLHyYpjnmT216fzZPJLv5F
TLSH T1DFF4CF9C7250B1DFC417C976DA682DA0E6217C7B970BD203A4633AADA93D997CF104F2
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 SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
348
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82.exe
Verdict:
Malicious activity
Analysis date:
2024-04-02 11:28:36 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/447a4215-6168-480b-8cd6-68a0f7c12c74

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/660beb4f6ffbb8b1692dd1a4/reports/db0aeb4a-e590-438f-8b8e-9649acc48354/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82
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/c6018c46-2f53-4083-b96b-4682605b2cf4
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1418657
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)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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)
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/6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-04-02 08:40:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nvadte2wsmigskwsiqw2jo7evbjrjvqytnx7qay2vogjbwq4dsba._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/240402-njt8psgg64/
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 WinSCP keys stored on the system
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:
8ebd66eb93fb976111f908ed0b7f042df792042335ebf9f168dd04fa90093a3e
MD5 hash:
c5db8853b26c2bba24465a3f432d0e6c
SHA1 hash:
f709c5cbbf1b7905242c8df721e1b5b91d93ade8
Link:
https://www.unpac.me/results/a41b5c23-516c-49d1-84ae-10ca552db5c1/
SH256 hash:
57b9f5cc29ea4e60b0b638770e72cb7f02062f2f41686d07c100c662c2dec39d
MD5 hash:
670bde9ed52a115aa743c7f609ccadd3
SHA1 hash:
a217f0c808654f396a63698a30536e074c1a5bc3
Link:
https://www.unpac.me/results/a41b5c23-516c-49d1-84ae-10ca552db5c1/
SH256 hash:
579e2ba51b8885feb10a1a223d9d8630d3aa56c1b07ea3b53250f2eac32e7f0f
MD5 hash:
f041913358f94cd33ec51a9ffb451411
SHA1 hash:
7f280893866b90cdfe92bbe3870bcbc367555275
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/a41b5c23-516c-49d1-84ae-10ca552db5c1/
Parent samples :
9a2f315bd234cc0164ba240137b92ccdc3736e2f39474f32a57e037e87e73498
6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82
SH256 hash:
7cfce9d4374f24d233171eaff3aa995d700542bf0a9fd54f183745647f450c4a
MD5 hash:
aacd3a7a18721a1a5e2aac83bfedc3c9
SHA1 hash:
2743a9077e031d648c206c00bc0fa38f9e0dab38
Link:
https://www.unpac.me/results/a41b5c23-516c-49d1-84ae-10ca552db5c1/
SH256 hash:
6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82
MD5 hash:
9416e34152a187988c70af4af3fd3662
SHA1 hash:
174cba29e19a2d1cf6c50bba9c18edb4c7c43c42
Link:
https://www.unpac.me/results/a41b5c23-516c-49d1-84ae-10ca552db5c1/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6d4039935693/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82

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:AgentTeslaV5
Create hunting rule
Author:ClaudioWayne
Description:AgentTeslaV5 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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Generic_Threat_9f4a80b2
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

zip cef6bd5f6898729b341ca68d02cfd2ebd82684c271c0d9313f81c4a8ae98680f

AgentTesla

Executable exe 6d403993569310692ad2442da4bbe4a85314d6189b6ff8031aab8c90da1c1c82

(this sample)

  
Dropped by
SHA256 cef6bd5f6898729b341ca68d02cfd2ebd82684c271c0d9313f81c4a8ae98680f
  
Dropped by
MD5 db39643572b2c5a6eb01fa7e1e128354

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments