MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
SHA3-384 hash: 8684dd6f1e6bfd6d4c7e23545de7f78aec605eb9819cda561e2d1be83cfe1ff3dda08b509ab66ec58663f76096fbdafc
SHA1 hash: 76d18866f301eac7298bcdcc87cbc7ffc4a2acb5
MD5 hash: 4f519e42baf208066358c1252ede8003
humanhash: south-fourteen-sodium-green
File name:8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
Download: download sample
Signature AgentTesla
Create hunting rule
File size:172'032 bytes
First seen:2023-07-25 10:48:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 3072:uS6Hksdxox2MmYdE9zr4WPpmaeAc+u3sS1i3usX4tig:uSi1YuZppwh+u32usXE
Threatray 5'220 similar samples on MalwareBazaar
TLSH T18BF32869A2895C61C35D4178F4B511C80AB2A107A6D7F76D0DBDACF53E0A3833E2FC66
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
277
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
Verdict:
Malicious activity
Analysis date:
2023-07-25 10:55:04 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/ec349f23-c4a1-48c6-8908-b86a43c5d0a0

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/432124/
Detection(s):
Win.Packed.Generic-10003641-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Gathering data
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
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/8ef9d2a6-9d71-4b0e-8761-6d5e5ad1f9c2
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279096
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
May check the online IP address of the machine
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)
Sample uses string decryption to hide its real strings
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279096 Sample: 2Hs634LkhI.exe Startdate: 25/07/2023 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 3 other signatures 2->38 5 2Hs634LkhI.exe 17 10 2->5         started        10 rVqnPDw.exe 14 2 2->10         started        12 rVqnPDw.exe 7 2->12         started        process3 dnsIp4 18 wongpowah.com.hk 103.13.51.82, 49708, 49709, 49711 SGC-CAL-ASSGC-CloudAllianceLimitedHK Hong Kong 5->18 20 mail.wongpowah.com.hk 5->20 28 3 other IPs or domains 5->28 14 C:\Users\user\AppData\Roaming\...\rVqnPDw.exe, PE32 5->14 dropped 16 C:\Users\user\...\rVqnPDw.exe:Zone.Identifier, ASCII 5->16 dropped 40 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 5->40 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 5->42 44 May check the online IP address of the machine 5->44 46 Hides that the sample has been downloaded from the Internet (zone.identifier) 5->46 22 mail.wongpowah.com.hk 10->22 30 2 other IPs or domains 10->30 48 Antivirus detection for dropped file 10->48 50 Multi AV Scanner detection for dropped file 10->50 52 Tries to steal Mail credentials (via file / registry access) 10->52 54 Machine Learning detection for dropped file 10->54 24 mail.wongpowah.com.hk 12->24 26 api.ipify.org 12->26 56 Tries to harvest and steal browser information (history, passwords, etc) 12->56 58 Installs a global keyboard hook 12->58 file5 signatures6
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-07-25 10:49:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rktkydapg4jwrgw3odku5wf4qp2qmfwqdcitcqaf2u3g4q6ev33q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
17dc8d6c4b9e8a27479e3de340925a3f766cc815eafbaafbc59ee5f14ae41fd2
AgentTesla
22a64964f41da02bf763bb8f548a42b3a76835e1b91486b32fa4fa384121d309
AgentTesla
35d0ebd1aeba54167215c5414cebcd9ca2ad2ac67545d4090a8657b0d4b59c61
AgentTesla
3cfb4f3c28821b32a5d0904657b78a98ab8ec59d6a3c6230e9e44598cd3d6904
AgentTesla
4dd0f2964faae26b80ba53709db1c6892124d6abacd29356acf17eb38d1ae8a0
AgentTesla
5de39368fe80ef49986db86c1fd8719ea2db295d4e036cebea57f1592eefe74f
AgentTesla
b61f862021794d9eab477e6bdb02620f16d65e80a175029237d8318949283fc5
AgentTesla
ef4dabd36f9807e3a556cd505515d60a09737d6314a7a09090075bc28261b27c
AgentTesla
f13eb672c5400eefce395ca9f5f668e2273748e3c398558e17f4c43ec314ff71
AgentTesla
+ 5'210 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230725-mwn2sacg6z/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
MD5 hash:
4f519e42baf208066358c1252ede8003
SHA1 hash:
76d18866f301eac7298bcdcc87cbc7ffc4a2acb5
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/b54c1053-75dd-45a0-acb0-41bba9d74b2d/
Parent samples :
35d0ebd1aeba54167215c5414cebcd9ca2ad2ac67545d4090a8657b0d4b59c61
8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7
ed9b32173b779e331be0019ed97ce6a3ed4e651c4660e1825605043d18addbc6
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8aa6ac0c0f37/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7

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:AgentTeslaV4
Create hunting rule
Author:Rony (r0ny_123)
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Malspam

AgentTesla

Executable exe 8aa6ac0c0f3713689adb70d54ed8bc83f50616d01891314005d5366e43c4aef7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/432124/

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