MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489
SHA3-384 hash: 09311ad0a2098bacc3752bf9a2125d220e0ad660fbc8ff0206c340dbcd73aa6ede7cf55e4247ccc918c54a1ad326210c
SHA1 hash: b5be1782dbe1f6156bb1c161f2550f1ed2c64d1c
MD5 hash: 81dc91e4ff4f9bcea621601ab7c55523
humanhash: zebra-salami-fix-wyoming
File name:telex release bill of lading + pre-recorded release note.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:693'248 bytes
First seen:2024-02-22 08:02:30 UTC
Last seen:2024-02-22 09:19:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:9f5Ujd53LlvULiGAYDGyc8bToFIFwu0MWfJSSFnH6EV5hfg1+XtMdnUwOU:LK5GAYiycZu0MWoSlPPgw9wO
TLSH T164E42326AFEACD2FEF2F2732700F5B890B70A46F3827FB982D86405E5956141D7D0946
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)
File icon (PE):PE icon
dhash icon 10b134d988eacc04 (4 x Formbook, 3 x AgentTesla, 2 x SnakeKeylogger)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
450
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489.exe
Verdict:
Malicious activity
Analysis date:
2024-02-22 08:06:33 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/c5a55c29-cc95-46e7-aaa0-20be2b7989cb

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/477395/
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46253.16583.5646.UNOFFICIAL
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
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
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65d6ffb807d709033aeb35fa/reports/753accaa-3a3b-40ac-888a-22139a8e0fd3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489
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/edd15280-338d-4766-b2f4-498945a9b1a8
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1396708
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
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 domain / URL
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: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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
Writes to foreign memory regions
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: 1396708 Sample: telex release bill of ladin... Startdate: 22/02/2024 Architecture: WINDOWS Score: 100 42 mail.itresinc.com 2->42 44 api.ipify.org 2->44 50 Multi AV Scanner detection for domain / URL 2->50 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 17 other signatures 2->56 8 telex release bill of lading + pre-recorded release note.exe 7 2->8         started        12 Vmoasjc.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\Vmoasjc.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmpD31.tmp, XML 8->40 dropped 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 64 Injects a PE file into a foreign processes 8->64 14 RegSvcs.exe 15 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 46 mail.itresinc.com 50.87.150.204, 49735, 49737, 587 UNIFIEDLAYER-AS-1US United States 14->46 48 api.ipify.org 104.26.12.205, 443, 49734, 49736 CLOUDFLARENETUS United States 14->48 72 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->74 76 Tries to steal Mail credentials (via file / registry access) 14->76 28 conhost.exe 18->28         started        30 WmiPrvSE.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 22->34         started        78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 36 conhost.exe 26->36         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-22 02:11:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pnekoqpyji6kk645ls7g4gxje2wos5g3jtdtihp2lzoapinzsseq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240222-jxn7dsfa72/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/ee8269a5-9faa-494e-83d6-fb800c3c949d/
SH256 hash:
6355efe3ca3c3b968fb6f9cef0fc7d560491a5de39a86f26239854001fc85cb2
MD5 hash:
db8eb8822609e9c73b609f5445795c24
SHA1 hash:
d7e20fc4f8d169b48a881a18b6d0f406720d0f38
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/ee8269a5-9faa-494e-83d6-fb800c3c949d/
Parent samples :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 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/ee8269a5-9faa-494e-83d6-fb800c3c949d/
SH256 hash:
38c14c12dfdff92a44a0079b056f6cdca2dd8dbb02fb34b16cfeb3a75affb6e3
MD5 hash:
95f465593c3d42931e988fa58119f7c5
SHA1 hash:
53448b320d2f81d3fe990a42b0e1d6ebb1c41fd7
Link:
https://www.unpac.me/results/ee8269a5-9faa-494e-83d6-fb800c3c949d/
SH256 hash:
42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b
MD5 hash:
100a8095e042378d2c227eb0ff37b6d4
SHA1 hash:
32c4a6457d7c01e9e135c3750d571114bc0ef3a0
Link:
https://www.unpac.me/results/ee8269a5-9faa-494e-83d6-fb800c3c949d/
SH256 hash:
7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489
MD5 hash:
81dc91e4ff4f9bcea621601ab7c55523
SHA1 hash:
b5be1782dbe1f6156bb1c161f2550f1ed2c64d1c
Link:
https://www.unpac.me/results/ee8269a5-9faa-494e-83d6-fb800c3c949d/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b48a741f84a/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/7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489

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_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 7b48a741f84a3ca57b9d5cbe6e1ae926ace974db4cc7341dfa5e5c07a1b99489

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/477395/

Comments