MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99
SHA3-384 hash: 388d41afdce99379cae77c8d764793152ac41ad27df0d87ba6fc6cddbbfa72db6f02d9695f6321193cfde7f7a361a770
SHA1 hash: fb5a65ba0774907dd95c2b9eb95d12637f46b946
MD5 hash: 456781c87bca0c43d533efb5046fd499
humanhash: zebra-salami-eleven-magazine
File name:Payment Advice - RefJB11020002.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:742'400 bytes
First seen:2024-02-27 14:51:20 UTC
Last seen:2024-07-24 13:34:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:cvjpkDaBs/y5j2awqCYXP8V2I07aPA8N+8/qBIqEjvZFqn/jQm:+FTaKhPwqdQ2I07AwX8k/s
Threatray 312 similar samples on MalwareBazaar
TLSH T1A4F4121232E94B96F1FD8BF65862714517BAB62B2432D70C5CEAB1DE1972F4143A0F23
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)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
377
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99.exe
Verdict:
Malicious activity
Analysis date:
2024-02-27 14:57:17 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/3d9e2f57-9208-4b42-a7d8-def726215d31

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/478016/
Detection(s):
Win.Packed.Filerepmalware-10019564-0
Create hunting rule

Win.Packed.Msilheracles-10020638-0
Create hunting rule

Win.Packed.Agensla-10021078-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65ddf71a22703c3491b46d46/reports/ee23f5bf-3107-4195-929e-fcf2e8b321e3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d0ae099b-408c-423c-ad73-ae69046e6910
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1399606
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
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
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1399606 Sample: Payment Advice - RefJB11020... Startdate: 27/02/2024 Architecture: WINDOWS Score: 100 42 mail.dmsinnovative.ro 2->42 44 dmsinnovative.ro 2->44 46 api.ipify.org 2->46 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 14 other signatures 2->58 8 diYHfasL.exe 5 2->8         started        11 Payment Advice - RefJB11020002.exe 7 2->11         started        signatures3 process4 file5 60 Multi AV Scanner detection for dropped file 8->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->62 64 Machine Learning detection for dropped file 8->64 14 diYHfasL.exe 8->14         started        17 schtasks.exe 8->17         started        38 C:\Users\user\AppData\Roaming\diYHfasL.exe, PE32 11->38 dropped 40 C:\Users\user\AppData\Local\...\tmp9935.tmp, XML 11->40 dropped 66 Adds a directory exclusion to Windows Defender 11->66 68 Injects a PE file into a foreign processes 11->68 19 Payment Advice - RefJB11020002.exe 15 2 11->19         started        22 powershell.exe 23 11->22         started        24 powershell.exe 23 11->24         started        26 schtasks.exe 1 11->26         started        signatures6 process7 dnsIp8 70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 74 Tries to harvest and steal browser information (history, passwords, etc) 14->74 28 conhost.exe 17->28         started        48 dmsinnovative.ro 93.119.153.1, 49711, 49713, 587 GTSCEGTSCentralEuropeAntelGermanyCZ Romania 19->48 50 api.ipify.org 104.26.12.205, 443, 49708, 49712 CLOUDFLARENETUS United States 19->50 30 conhost.exe 22->30         started        32 WmiPrvSE.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2024-02-27 07:02:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
31
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijx4e3want4cw3v5b5sibsknapuhyyiv3hdglj2a62yqniv276mq._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
5e8119622389d8ee840a2e9429a31d5fad907bd25c2fff9e81f969a6111af092
AgentTesla
91b03fbfec8d0fb1c1e6bb9ceb9893f26807c160809bcb8d71f2217960399e30
AgentTesla
+ 302 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/240227-r8p7tscb6s/
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
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:
74bcfe6125387b006dffccba85e9eeb917c0ef7b25af10734cec21b9df185e73
MD5 hash:
ba4144e4e3bf02066f5a7138230a5270
SHA1 hash:
fb4edb9722f6facaec9c9291fc56262981b6ed41
Link:
https://www.unpac.me/results/127059a8-f24c-4125-8462-470b4d20c91d/
SH256 hash:
5c7b96bcedf580c04adec6919750dc3bb570c6bcefb0520f60bd8203e0b63982
MD5 hash:
95046ea1cd923a9a9781c8a195d6ff30
SHA1 hash:
e727fe2348943cf45547eb2092fab111657fee31
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/127059a8-f24c-4125-8462-470b4d20c91d/
Parent samples :
17ebaf866f5bec6d103149f0d03d022181988f0eb7bd3737de97c91a30c53a33
e058ee458d911d2c8778766389ef9c2592ac8050e319f3ea6beef56efd5fb9af
426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99
7b81d965742ebea30ef559e762675b7f9ff1a4f16308ab72119ad6d89e25ec06
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/127059a8-f24c-4125-8462-470b4d20c91d/
SH256 hash:
17ffdc3b3d14a4744caa371341ba253433cd238fdf55bca1e3ebbf75a65bc6d3
MD5 hash:
70bef63a8c517d2fb7a3a7cdc7a210f8
SHA1 hash:
44f12206fe14e647bacd2aa30c0b77f443c73d69
Link:
https://www.unpac.me/results/127059a8-f24c-4125-8462-470b4d20c91d/
SH256 hash:
426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99
MD5 hash:
456781c87bca0c43d533efb5046fd499
SHA1 hash:
fb5a65ba0774907dd95c2b9eb95d12637f46b946
Link:
https://www.unpac.me/results/127059a8-f24c-4125-8462-470b4d20c91d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/426fc26ec06c/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/426fc26ec06cf82b6ebd0f6480c94d03e87c6115d9c665a740f6b106a2baff99

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: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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/478016/

Comments