MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d. 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
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SHA256 hash: b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
SHA3-384 hash: 2b8b1dbd045818b6a3889eb8e7fb2553a5550577331acfa22bb8a6d742d620adc8d3fde920fb3ea6057360a90c2fe4ee
SHA1 hash: 89ec80d0eb22dec08f8a1c28d9984885dfc2f080
MD5 hash: c574e127b2c8ab6e118d9da5f5debef2
humanhash: oklahoma-bravo-shade-skylark
File name:SecuriteInfo.com.Win32.PWSX-gen.4235.29315
Download: download sample
Signature AgentTesla
Create hunting rule
File size:758'272 bytes
First seen:2023-12-06 14:20:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:YZqc3+GCueH5qOe0T0xQChrNJbXgoQeQBmEGM0l0EO4TEWCH3F5ETccK3qNCt:YZ/uG2qqyQChRJbwunOBH3F5CKaN
TLSH T153F4124573BC8B52E0EA9FB574B5251467B67D2B65B1E30C4D0610CE0A33F428A72F67
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
314
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.4235.29315
Verdict:
Malicious activity
Analysis date:
2023-12-06 14:22:41 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/8b1794ff-e059-44f7-9915-17d141371486

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/462877/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
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
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/657083523636548f373e218d/reports/3a9b0e92-cc0c-495a-a7f3-518912fdc7db/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
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/c9654633-5fc2-4a25-8a82-f88d64e61439
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354638
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
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: 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1354638 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 49 mail.amtechcards.com 2->49 51 api4.ipify.org 2->51 53 2 other IPs or domains 2->53 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Antivirus detection for URL or domain 2->63 65 9 other signatures 2->65 8 SecuriteInfo.com.Win32.PWSX-gen.4235.29315.exe 7 2->8         started        12 WDohLSBxdPKIde.exe 5 2->12         started        14 oIjuwq.exe 2->14         started        16 oIjuwq.exe 2->16         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\WDohLSBxdPKIde.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp3DB8.tmp, XML 8->47 dropped 79 Uses schtasks.exe or at.exe to add and modify task schedules 8->79 81 Adds a directory exclusion to Windows Defender 8->81 18 RegSvcs.exe 16 4 8->18         started        23 RegSvcs.exe 8->23         started        25 WMIADAP.exe 8->25         started        35 2 other processes 8->35 83 Multi AV Scanner detection for dropped file 12->83 85 Machine Learning detection for dropped file 12->85 27 RegSvcs.exe 3 12->27         started        29 schtasks.exe 1 12->29         started        31 conhost.exe 14->31         started        33 conhost.exe 16->33         started        signatures6 process7 dnsIp8 55 api4.ipify.org 64.185.227.156, 443, 49708, 49712 WEBNXUS United States 18->55 57 amtechcards.com 64.188.2.244, 49709, 49713, 49721 ASN-QUADRANET-GLOBALUS United States 18->57 43 C:\Users\user\AppData\Roaming\...\oIjuwq.exe, PE32 18->43 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->69 71 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->71 73 Tries to steal Mail credentials (via file / registry access) 27->73 75 Tries to harvest and steal browser information (history, passwords, etc) 27->75 77 Installs a global keyboard hook 27->77 37 conhost.exe 29->37         started        39 conhost.exe 35->39         started        41 conhost.exe 35->41         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-06 14:21:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wzfb4bxqtd25vqq5gmbqzam643eu5iumltf6aguk4ghsz32asa6q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231206-rnzwjafc24/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/85cc71c5-fbd5-4cff-89d0-314a73745c5e/
SH256 hash:
e72b64e3119db4738c1525a4f336d9343da4196939b9e38143c684b5f1e1b5aa
MD5 hash:
dde684e9f1482a79b0dc510cb9f5fcf9
SHA1 hash:
a39dddb3e0d3408e46b7ec63ec0477fd613b4546
Link:
https://www.unpac.me/results/85cc71c5-fbd5-4cff-89d0-314a73745c5e/
SH256 hash:
948031c950607ac761ab94f333d9359a219aace40acddce701c3077e8067865b
MD5 hash:
75d01928873c529f5d76d4397794710d
SHA1 hash:
8fecf4d3ac5a09567d52b02d320d5b208d7f541c
Link:
https://www.unpac.me/results/85cc71c5-fbd5-4cff-89d0-314a73745c5e/
SH256 hash:
e895df93c51d0c34aec2b9d4c71ef03f1d2456d3bfa89960b888b77e5aab220c
MD5 hash:
efa41649f8a97a7b3791c559e52d194b
SHA1 hash:
79c4b97d7cf1af0e83fd3fd133a199406a11b17c
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/85cc71c5-fbd5-4cff-89d0-314a73745c5e/
Parent samples :
71e5c4006ab60a5e9e6830c1eab07c23f018cd443cf5998f0ed89976eeb15abb
b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
e8434c616498087ebeaa23ca1b164dc1c4ba49579d759035b3e46c0c17bd3c75
SH256 hash:
b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d
MD5 hash:
c574e127b2c8ab6e118d9da5f5debef2
SHA1 hash:
89ec80d0eb22dec08f8a1c28d9984885dfc2f080
Link:
https://www.unpac.me/results/85cc71c5-fbd5-4cff-89d0-314a73745c5e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b64a1e06f098/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/b64a1e06f098f5dac21d33030c819ee6c94ea28c5ccbe01a8ae18f2cef40903d

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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/462877/

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