MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64. 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 4 File information Comments
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SHA256 hash: 23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64
SHA3-384 hash: 424680d76cd7537495c0304c664d0987bca764d6f2c0544d8dd977ed00491ef1901d377d5d5293b33026c55415bce398
SHA1 hash: a2092b85970c2e60d0c697718516e8db18298608
MD5 hash: 3431cb842330770cdcd77c7b18fb3825
humanhash: saturn-twenty-pennsylvania-massachusetts
File name:SecuriteInfo.com.Trojan.PackedNET.2698.11030.8996
Download: download sample
Signature AgentTesla
Create hunting rule
File size:703'488 bytes
First seen:2024-02-22 17:23:25 UTC
Last seen:2024-02-23 07:31:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ows/3P5Ujd53Llv+7UNJksS8xrmo3P2JBIBOV8vgmeS71Ovh:cBK5hTxrBv4S71s
TLSH T135E42200F7A95F6AE67E5BB23831219047B5A41B6E74F34C6CE172E204E770A8671F1B
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) (4504/4/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
394
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64.exe
Verdict:
Malicious activity
Analysis date:
2024-02-22 17:30:47 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/08f65f57-f6a3-4c87-b7e7-1809b9cc1c11

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/477438/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2698.11030.8996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Reading critical registry keys
Sending an HTTP GET request
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
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP 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:
masquerade packed
Link:
https://www.filescan.io/uploads/65d7833403a1c3a7aef38011/reports/39c013e4-0ae7-436a-9a1e-c8b13f8441e2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64
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/ffbb0268-e221-494e-b7d9-488666c02d09
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1397132
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
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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: 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
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: 1397132 Sample: SecuriteInfo.com.Trojan.Pac... Startdate: 22/02/2024 Architecture: WINDOWS Score: 100 44 mail.itresinc.com 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 Antivirus detection for URL or domain 2->56 58 12 other signatures 2->58 8 SecuriteInfo.com.Trojan.PackedNET.2698.11030.8996.exe 7 2->8         started        12 fjrtAFR.exe 5 2->12         started        signatures3 process4 file5 40 C:\Users\user\AppData\Roaming\fjrtAFR.exe, PE32 8->40 dropped 42 C:\Users\user\AppData\Local\...\tmpA0E5.tmp, XML 8->42 dropped 60 Uses schtasks.exe or at.exe to add and modify task schedules 8->60 62 Adds a directory exclusion to Windows Defender 8->62 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        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        28 RegSvcs.exe 12->28         started        signatures6 process7 dnsIp8 48 mail.itresinc.com 50.87.150.204, 49735, 49737, 587 UNIFIEDLAYER-AS-1US United States 14->48 50 api.ipify.org 104.26.13.205, 443, 49734, 49736 CLOUDFLARENETUS United States 14->50 68 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->70 72 Tries to steal Mail credentials (via file / registry access) 14->72 30 conhost.exe 18->30         started        32 WmiPrvSE.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        74 Tries to harvest and steal browser information (history, passwords, etc) 24->74 38 conhost.exe 26->38         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-22 08:55:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eoag4g4bu7k6lxzymhs5iuor2tygyj6dec34ban5rmpkog3zb5sa._file
Verdict:
malicious
Label(s):
agenttesla_v4
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agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240222-vypebsch5s/
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:
8bb5080a20a3727bf4d5cdc23f525b35525537871167a292473602ade20358c6
MD5 hash:
af967ca50c1e46dde4828125d575e454
SHA1 hash:
ea7a8b3e32afc1472d5fe923c6e60d283c3d1a11
Link:
https://www.unpac.me/results/991e0c30-0b83-408a-b239-5a81b9982ab2/
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/991e0c30-0b83-408a-b239-5a81b9982ab2/
Parent samples :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 hash:
2635ed0d6a14cc75a0fa5e25970c55384a0e10343aa2013688bab6da2546798b
MD5 hash:
95ca20f9da1365229027a70a4f67a943
SHA1 hash:
93d9cc6be38df6b2076a053227b6f3cd65345969
Link:
https://www.unpac.me/results/991e0c30-0b83-408a-b239-5a81b9982ab2/
SH256 hash:
d70e4033db330c128a0fed627f2bb0faee896f86112e6f4170adefc9a580dff1
MD5 hash:
ec2a8446d2bb3f4a4bd67c0fab01fd3d
SHA1 hash:
72adabdb9c297f0cad6708f40b90f90c894e387c
Link:
https://www.unpac.me/results/991e0c30-0b83-408a-b239-5a81b9982ab2/
SH256 hash:
ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769
MD5 hash:
09f7fb78314d30bf7c69d72caa9da978
SHA1 hash:
5536e0f86fe6e36f11e5ba03a8f559675dd82f30
Link:
https://www.unpac.me/results/991e0c30-0b83-408a-b239-5a81b9982ab2/
SH256 hash:
23806e1b81a7d5e5df3861e5d451d1d4f06c27c320b7c081bd8b1ea71b790f64
MD5 hash:
3431cb842330770cdcd77c7b18fb3825
SHA1 hash:
a2092b85970c2e60d0c697718516e8db18298608
Link:
https://www.unpac.me/results/991e0c30-0b83-408a-b239-5a81b9982ab2/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23806e1b81a7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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/477438/

Comments