MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507
SHA3-384 hash: 5a164f6b4be70c4df7f3ae9f6b37ce3e2450f136a5a70c0762a8f3abf02b0147967f904145634bac82ea2b7c026ed784
SHA1 hash: ded241846767c42dcfe3b77817d95794c12d45ce
MD5 hash: 02c468dab798e0e6bab01d840656a82b
humanhash: mirror-hotel-skylark-kitten
File name:p silp AI240190.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:765'952 bytes
First seen:2024-04-18 09:57:55 UTC
Last seen:2024-04-18 09:58:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:ZQK/pbM4RwwAbS4uUvLHE6xdBMKvBedHae1kRupQqhQz67H/SVYT:ZQiM4iS4uUvvf/EHaFRq7fSVYT
Threatray 658 similar samples on MalwareBazaar
TLSH T1F1F42225369E8B6AE9FA1FFE1030164093F2B52B2061D30D5DDA50CF49F27846B25F9B
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e8d4aab2aa8eccd4 (8 x AgentTesla, 6 x Formbook, 1 x Loki)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
399
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507.exe
Verdict:
Malicious activity
Analysis date:
2024-04-18 10:23:07 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/ba9e6843-3fdf-478e-95e6-6a16c68715ef

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
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Reading critical registry keys
Sending an HTTP GET request
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/6620eeb554bafb7d21d1c1fd/reports/c9704c78-cafc-4d96-8827-5577e6961c89/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507
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/6062c5ed-8c4c-4f8f-96b5-446469affdf8
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1427993
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1427993 Sample: p silp AI240190.pdf.exe Startdate: 18/04/2024 Architecture: WINDOWS Score: 100 38 mail.satsllc.ae 2->38 40 api.ipify.org 2->40 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 14 other signatures 2->52 8 p silp AI240190.pdf.exe 7 2->8         started        12 ZAdqWt.exe 5 2->12         started        signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\ZAdqWt.exe, PE32 8->34 dropped 36 C:\Users\user\AppData\Local\...\tmpAA8A.tmp, XML 8->36 dropped 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 58 Adds a directory exclusion to Windows Defender 8->58 60 Injects a PE file into a foreign processes 8->60 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        62 Antivirus detection for dropped file 12->62 64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 22 RegSvcs.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 42 mail.satsllc.ae 92.205.14.36, 49734, 49738, 587 GD-EMEA-DC-SXB1DE Germany 14->42 44 api.ipify.org 172.67.74.152, 443, 49733, 49737 CLOUDFLARENETUS United States 14->44 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->68 70 Loading BitLocker PowerShell Module 18->70 26 WmiPrvSE.exe 18->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->72 74 Tries to steal Mail credentials (via file / registry access) 22->74 76 Tries to harvest and steal ftp login credentials 22->76 78 Tries to harvest and steal browser information (history, passwords, etc) 22->78 32 conhost.exe 24->32         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-18 07:47:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
21 of 24 (87.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ohze2k64ppdqsr5bpzxk6zkqgmzejlmmyhtajpugicma5ibrwudq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
30e181e98cb75e4324746fd2d27fcc9987a51dfd0182b45eab54781df26c1d33
AgentTesla
71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507
AgentTesla
8603455eb5ecb4d3668419c43db4504edfc8e1edcaa5f065d78325ed7a8d86c5
AgentTesla
8f44b390ba295e14b6a18221d7d74acbc1ad2b4440db3380364e9b7964f43670
AgentTesla
bc533f1c04f542db4d2cf6edd86eb7caea7a60b53098e4145068f43030560122
AgentTesla
+ 648 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240418-lzg7zaba6x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
3d584342dcc5cd831c6eef6b5aa94f84d443035ff8710fc51b1c49026900638f
MD5 hash:
3b0921cec92ae0aa287c70e039a2a4b4
SHA1 hash:
e151d10e2336ae1ab7d838e49ebdd53b7415b282
Link:
https://www.unpac.me/results/81917b1c-854e-498b-9832-ae7ac41fd647/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/81917b1c-854e-498b-9832-ae7ac41fd647/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
SH256 hash:
baa0bda022a64970c5be7e975198d5dd8229901e827b2bda8ed277c53e9fb950
MD5 hash:
1efe8c9276f935bf051c72a80a02d2c8
SHA1 hash:
13a1f62d3ad9375ca328ce8e393e4e235226bc3c
Link:
https://www.unpac.me/results/81917b1c-854e-498b-9832-ae7ac41fd647/
SH256 hash:
e3d545048f8ee1a431ce3f9bb64d04d5f789c6433be2dc1bcc8e3edbbc68209d
MD5 hash:
652878d47335c9ecfc9bd34e3efcd7b9
SHA1 hash:
10df1543196b93427e11b44f60ad451a8ede0eb2
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/81917b1c-854e-498b-9832-ae7ac41fd647/
Parent samples :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 hash:
71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507
MD5 hash:
02c468dab798e0e6bab01d840656a82b
SHA1 hash:
ded241846767c42dcfe3b77817d95794c12d45ce
Link:
https://www.unpac.me/results/81917b1c-854e-498b-9832-ae7ac41fd647/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/71f24d2bdc7b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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_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

Executable exe 71f24d2bdc7bc70947a17e6eaf6550333244ad8cc1e604be8640980ea031b507

(this sample)

  
Delivery method
Distributed via e-mail attachment

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