MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa3e84a858b55970f3bcef12556b45304a951c59d987ccd9990379095b8f25c4. 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 14 File information Comments

SHA256 hash: aa3e84a858b55970f3bcef12556b45304a951c59d987ccd9990379095b8f25c4
SHA3-384 hash: b16dfbb9bf5de1af08671209a4236ea13935fd9736ac97acbf544bca0494ceb891c429d9e60d9fbd7a78bc9a3a7d420b
SHA1 hash: b767fc6ac5d9c59174bcb41fe1ba95653568e8ae
MD5 hash: 6c00f9865f43d6ccbd3c12f61030071b
humanhash: london-wolfram-speaker-three
File name:SecuriteInfo.com.Win32.TrojanX-gen.3351.15033
Download: download sample
Signature AgentTesla
File size:847'360 bytes
First seen:2023-11-27 11:01:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 24576:KM1euYFGcDL1cFK4jTRB8A2zijceWdDIi2l0wGYfpBhtD/:GvGcDLn4U8W12eLY3
TLSH T1CE051265B6AC8FD7D13E43F65A52E00983F0AD6B2523E20D5CC076CF09E5B9117A2B63
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 :
305
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SecuriteInfo.com.Win32.TrojanX-gen.3351.15033
Verdict:
Malicious activity
Analysis date:
2023-11-27 11:04:39 UTC
Tags:
stealer agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
Sending a custom TCP request
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
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
DNS request
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
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1348455 Sample: SecuriteInfo.com.Win32.Troj... Startdate: 27/11/2023 Architecture: WINDOWS Score: 100 36 us2.smtp.mailhostbox.com 2->36 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Sigma detected: Scheduled temp file as task from temp location 2->44 46 8 other signatures 2->46 8 SecuriteInfo.com.Win32.TrojanX-gen.3351.15033.exe 7 2->8         started        12 qPHRHhBp.exe 5 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\Roaming\qPHRHhBp.exe, PE32 8->32 dropped 34 C:\Users\user\AppData\Local\Temp\tmpAEB.tmp, XML 8->34 dropped 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 8->50 52 Adds a directory exclusion to Windows Defender 8->52 14 SecuriteInfo.com.Win32.TrojanX-gen.3351.15033.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        54 Multi AV Scanner detection for dropped file 12->54 56 Machine Learning detection for dropped file 12->56 58 Injects a PE file into a foreign processes 12->58 22 qPHRHhBp.exe 2 12->22         started        24 schtasks.exe 1 12->24         started        signatures6 process7 dnsIp8 38 us2.smtp.mailhostbox.com 208.91.199.223, 49707, 49710, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->38 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        60 Tries to steal Mail credentials (via file / registry access) 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 30 conhost.exe 24->30         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-11-27 08:42:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla_v4
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
9b4782435f360ecc5faeb31e402c8ec44057a57b28073419aa8379a3c33c2c93
MD5 hash:
ccd0bcc6cc01923e5ddf4ba72fc8fa12
SHA1 hash:
f2d4bd262aa5a6e2cf439488c1cae3968ab8d34a
SH256 hash:
f5a8f5ded618fd3989fa98a3c2d87c4853d6e10ecb1313cd5ddd7df375336b31
MD5 hash:
243f9990bb7d68a3f6e4d3999800da5b
SHA1 hash:
ba555175d12f19f6288a3574738bcd6c8b747e3b
SH256 hash:
062c11cb58552b7ba96046e2b41336e2c88bc54a9f3c6ca16a1959d8a428d0ed
MD5 hash:
bcf23bb465a54b671344e1e7dbe22394
SHA1 hash:
8259b46d86b450c4ced6258e25420bd66163a70c
SH256 hash:
7728e68d7e7f1b8cbe4cb8372607389748cd0075751f9f5a673c085ccc4149b8
MD5 hash:
347fed3025ad504a5e00926e30756b19
SHA1 hash:
823c581686cb6d3e93dc2ea95316e9ca982f7634
Detections:
AgentTesla win_agent_tesla_g2 Agenttesla_type2 INDICATOR_EXE_Packed_GEN01 INDICATOR_SUSPICIOUS_Binary_References_Browsers INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
SH256 hash:
aa3e84a858b55970f3bcef12556b45304a951c59d987ccd9990379095b8f25c4
MD5 hash:
6c00f9865f43d6ccbd3c12f61030071b
SHA1 hash:
b767fc6ac5d9c59174bcb41fe1ba95653568e8ae
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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
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
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments