MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891. 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 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
SHA3-384 hash: f6cffabe442c685de2c2b8696c84e5e4925d5e29b7eab042dda49de72aaa8590d9a83d52f9c0fdd0fa789ed740afe305
SHA1 hash: b000e2099458692fcfc34e71a681c5f841a73ed9
MD5 hash: c264c1d828113996566a08e0a536b8d6
humanhash: mango-november-speaker-foxtrot
File name:P..O PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:664'064 bytes
First seen:2024-04-17 09:30:13 UTC
Last seen:2024-04-17 11:43:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ryrvmwjcq1Ux8AqR3FC3iRLCCle5UjhjDdV++are20ZUrB92cWjoI:e+JQUx8AqR3FCSEojg0ZUF9rA
Threatray 509 similar samples on MalwareBazaar
TLSH T18CE423422279E727E42CABF1C11248127776E32B1660EBAC1DC16AFA657CF00D1F761B
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 cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
391
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891.exe
Verdict:
Malicious activity
Analysis date:
2024-04-17 09:33:23 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/43e491bd-0f1c-47b6-a11d-a294a0bc30b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/661f96d775339da04f9481ed/reports/a8de4343-7a70-46ef-a243-d4f611cc8781/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
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/0953ccf3-472b-4602-83cc-3909753792da
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1427274
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1427274 Sample: P..O PDF.exe Startdate: 17/04/2024 Architecture: WINDOWS Score: 100 62 mail.flexwelltour.com 2->62 64 flexwelltour.com 2->64 66 api.ipify.org 2->66 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Sigma detected: Scheduled temp file as task from temp location 2->76 78 11 other signatures 2->78 8 P..O PDF.exe 7 2->8         started        12 WAKKgAPWFX.exe 5 2->12         started        14 BjTxJte.exe 2->14         started        16 BjTxJte.exe 2->16         started        signatures3 process4 file5 58 C:\Users\user\AppData\...\WAKKgAPWFX.exe, PE32 8->58 dropped 60 C:\Users\user\AppData\Local\...\tmp5A3C.tmp, XML 8->60 dropped 94 Adds a directory exclusion to Windows Defender 8->94 18 P..O PDF.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        35 3 other processes 8->35 96 Multi AV Scanner detection for dropped file 12->96 98 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->98 100 Machine Learning detection for dropped file 12->100 25 WAKKgAPWFX.exe 12->25         started        27 schtasks.exe 12->27         started        102 Injects a PE file into a foreign processes 14->102 29 BjTxJte.exe 14->29         started        37 2 other processes 14->37 31 BjTxJte.exe 16->31         started        33 schtasks.exe 16->33         started        signatures6 process7 dnsIp8 68 api.ipify.org 172.67.74.152, 443, 49734, 49737 CLOUDFLARENETUS United States 18->68 70 flexwelltour.com 94.199.200.238, 49736, 49738, 49745 AEROTEK-ASTR Turkey 18->70 54 C:\Users\user\AppData\Roaming\...\BjTxJte.exe, PE32 18->54 dropped 56 C:\Users\user\...\BjTxJte.exe:Zone.Identifier, ASCII 18->56 dropped 80 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->80 82 Tries to steal Mail credentials (via file / registry access) 18->82 84 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->84 86 Loading BitLocker PowerShell Module 23->86 39 conhost.exe 23->39         started        88 Installs a global keyboard hook 25->88 42 conhost.exe 27->42         started        90 Tries to harvest and steal browser information (history, passwords, etc) 31->90 44 conhost.exe 33->44         started        46 conhost.exe 35->46         started        48 conhost.exe 35->48         started        50 WmiPrvSE.exe 35->50         started        52 conhost.exe 37->52         started        file9 signatures10 process11 signatures12 92 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 39->92
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2024-04-17 07:21:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebjevoog5yzrqzhwiupsxdze276teh23uzlouqdz32wn2ulqfciq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
AgentTesla
2fa2f6f81dc805b509157ff73570ef9fd921cc0b73bece828000356c926546a6
AgentTesla
5bd77c6c32f5d8767bc5d055f1895c4625e36d3f5556436d8be9237f526963f8
AgentTesla
8d4cdc191f9fd842ef21c3c21a432446a82e82883f94edce796393c3ce7fca40
AgentTesla
a7f6e78f6b0dde7599e5388e4e994f79d5a0950db56092c0e2bd0ca9d07f708b
AgentTesla
ec20774a0a999b7f231404214662eda2697ea5dcee82139d22430e7f06e47792
AgentTesla
+ 499 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/240417-lg2hwsce9s/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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:
e9b96b6f889483140e59af5d84bfbc122f87e1038cc7e9cb5cd4be0436c13c34
MD5 hash:
60fab71a5a71c47e15c65b505f062484
SHA1 hash:
fa980e3d48b59e2d04a5f96ac10194efefc981dd
Link:
https://www.unpac.me/results/22cba07b-6e53-4d3a-92e5-c26a70be603c/
SH256 hash:
1c633f39a192f108f755e0bcf412e8489ad80781f3b7807c80892deb2526ff0d
MD5 hash:
e4b5d57e9e46a4e76075b5b92f71577f
SHA1 hash:
d76dc165724148193c6911cc75fc62c198737d3a
Link:
https://www.unpac.me/results/22cba07b-6e53-4d3a-92e5-c26a70be603c/
Parent samples :
d89ea6a01347b82f963ed7960583e5d76c6a07e91852fae83bc290e0f64a06b2
3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
SH256 hash:
b91db27e714ca7269176ba622b253ba1fb936ecdffdbfc6b96930473b6416214
MD5 hash:
aa3cb91e8573d5ac992361ec1ef7e579
SHA1 hash:
d263656bbd117442625768909e4c7ccf00aab860
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/22cba07b-6e53-4d3a-92e5-c26a70be603c/
Parent samples :
40bb8b7b9fec345f4aa54b05cc02fa42b404b9de341e07f7c6d7a0c1a1d801ff
20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
8603455eb5ecb4d3668419c43db4504edfc8e1edcaa5f065d78325ed7a8d86c5
cb06339a87bdd6284086a97545c32dc8a3eb3701c7642543e7c327d0539005f9
e67c69055ea1d00cf415d8e67faa2460972ec03a0b49954f085f7741c101d298
SH256 hash:
e8d5a9219e8af1cf0ed3c2dffaeee22b38da4ea86d02502ea3e48e6da80dc40e
MD5 hash:
eb53f8b2ad757b9fdaaa04ccf238a125
SHA1 hash:
698712042011f2ee4c9a014912920c82b0a230d2
Link:
https://www.unpac.me/results/22cba07b-6e53-4d3a-92e5-c26a70be603c/
SH256 hash:
20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891
MD5 hash:
c264c1d828113996566a08e0a536b8d6
SHA1 hash:
b000e2099458692fcfc34e71a681c5f841a73ed9
Link:
https://www.unpac.me/results/22cba07b-6e53-4d3a-92e5-c26a70be603c/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/20524ab9c6ee/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/20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891

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: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: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: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

rar ea661c4ee89a3ef8597d369c559cce65600681f93dc4e7a2902e27ca1edca20c

AgentTesla

Executable exe 20524ab9c6ee331864f6451f2b8f24d7fd321f5ba656ea4079deacdd51702891

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 ea661c4ee89a3ef8597d369c559cce65600681f93dc4e7a2902e27ca1edca20c
  
Dropped by
MD5 21567fdc35f2e2b1267e2b05ef93c1e6

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