MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee
SHA3-384 hash: a4d665e152aaca074690ebc75dd1190a9b3b06b6a1aae7904793b4f2d8c71027b8073be75222f1b9525514db2abcc537
SHA1 hash: dc52919e7220a9e10d90e4eff86f92b6b8997006
MD5 hash: 09bd26a99940619b261eb7dc030e2861
humanhash: mike-ink-magnesium-pasta
File name:SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760
Download: download sample
Signature AgentTesla
Create hunting rule
File size:600'064 bytes
First seen:2023-10-31 12:54:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:gFZpoaQPpr4GnZmPSN8zvbf8eYDsDieQrKs5wChctSjR1:g/QF4GnZmPVQeYsWjrZp1
Threatray 963 similar samples on MalwareBazaar
TLSH T14BD423803ADC8789E5B847F425E8966097346207E436FB8DCDE6B4D02A73B125EF2D47
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760
Verdict:
Malicious activity
Analysis date:
2023-10-31 14:47:57 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/07f91090-2e61-4505-97cb-4273ecad20a0

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/457381/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
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
Reading critical registry keys
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6540f9294ebf05ac3f3fa8f9/reports/ef22df39-6b44-4286-b17b-4bad3d58e8b3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee
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/6db34e2b-18f7-44b9-9472-94a940f60f47
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1334873
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
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: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, 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 signatures2 2 Behavior Graph ID: 1334873 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 31/10/2023 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 8 other signatures 2->48 7 SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760.exe 7 2->7         started        11 VswoXbfiedBHVU.exe 5 2->11         started        process3 file4 38 C:\Users\user\AppData\...\VswoXbfiedBHVU.exe, PE32 7->38 dropped 40 C:\Users\user\AppData\Local\...\tmp363C.tmp, XML 7->40 dropped 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->50 52 Uses schtasks.exe or at.exe to add and modify task schedules 7->52 54 Adds a directory exclusion to Windows Defender 7->54 13 SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760.exe 2 7->13         started        16 powershell.exe 23 7->16         started        18 schtasks.exe 1 7->18         started        20 SecuriteInfo.com.Trojan.PackedNET.2504.9862.28760.exe 7->20         started        56 Multi AV Scanner detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 60 Injects a PE file into a foreign processes 11->60 22 VswoXbfiedBHVU.exe 11->22         started        24 schtasks.exe 11->24         started        26 VswoXbfiedBHVU.exe 11->26         started        signatures5 process6 signatures7 28 WerFault.exe 21 16 13->28         started        30 conhost.exe 16->30         started        32 conhost.exe 18->32         started        62 Tries to steal Mail credentials (via file / registry access) 22->62 64 Tries to harvest and steal browser information (history, passwords, etc) 22->64 34 WerFault.exe 22->34         started        36 conhost.exe 24->36         started        process8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-31 08:14:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=th7dbgieji4thvabrxxehlx3ywxi6w3sbi2oavrekp4v7jyhglxa._file
Verdict:
malicious
Similar samples:
4624b53686167fb1b7b26b044ca58172acec6e11db2508df8cdef40f232c3715
AgentTesla
69f1ba8f7b8dbb60f8049ca7b2c8730bf921efe454dcb52651f5210cebfa37d3
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acbce39ea0f0ca874ad07ab64e37e29cde34ee5c9e875e29c278812a327229c0
AgentTesla
cc546a73f7baa2fa41b789d6e5e3ca8c6abf3a574f9ef5ef0d186675f437da19
AgentTesla
d85fa886dd4a1d381f866093bd6f1b8d8feafa371aad11657a46ac675fa5629f
AgentTesla
da82895e37da077e8ab192cb2a42e1502a88ef0299d3ffb1825af6dd2c096239
AgentTesla
f7c1bded8b82126980b2149af9960a2c4986188be76d74e2d3d53cba07d31bd2
AgentTesla
+ 953 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/231031-p5rv5sgb5s/
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
4f8babfd46ebc30de29d0e06c42d8fadc0d2b9badc1a4dea753ca673b3fa4776
MD5 hash:
f0a9967c6a451a6c47795bba01ed3566
SHA1 hash:
f683bbb8db7ee3b4c76cda30bbbba10e21045e82
Link:
https://www.unpac.me/results/fac9730a-46a8-4dc9-9cc1-99aa032d0532/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/fac9730a-46a8-4dc9-9cc1-99aa032d0532/
SH256 hash:
6ba6ee9fa86862d84870c41a1ad6d3aa32f0e781d9e5c7d2273b7d1c66f7f2f8
MD5 hash:
d7123f6d475b4baa2c8dcc3f6bad3b17
SHA1 hash:
91241ba3ce4f268269fbfe34a5cd80a9a5d198a6
Link:
https://www.unpac.me/results/fac9730a-46a8-4dc9-9cc1-99aa032d0532/
SH256 hash:
c4590d79b5f7e0780e2c05fb2a5fe1335f936a60aee751d84c9d9d99ece5db87
MD5 hash:
cb12ee74d5549c7e87c645fe761ce569
SHA1 hash:
45298e4f7fd76e612878200504c1d77fc582fbae
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/fac9730a-46a8-4dc9-9cc1-99aa032d0532/
SH256 hash:
99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee
MD5 hash:
09bd26a99940619b261eb7dc030e2861
SHA1 hash:
dc52919e7220a9e10d90e4eff86f92b6b8997006
Link:
https://www.unpac.me/results/fac9730a-46a8-4dc9-9cc1-99aa032d0532/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/99fe3099044a3933d4018dee43aefbc5ae8f5b720a34e0562453f95fa70732ee

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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/457381/

Comments