MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89a2b28ad32817e9be0489ae7fa0a9134f0f0b38f2e93f74c24e9278492ddb5a. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 89a2b28ad32817e9be0489ae7fa0a9134f0f0b38f2e93f74c24e9278492ddb5a
SHA3-384 hash: 512367929c97bcb65e61aba0b2e15617d0dc7c15c6a51aa3b00220d947585b168c7c5dea434664bad5cc20d06543fb06
SHA1 hash: 692ba50a56ac4949404a30993eb0ea94fc4f5eaa
MD5 hash: 769b5d1a7db04cbe31d90d218f54f74a
humanhash: black-wisconsin-cat-march
File name:INV-A66G-B100 pdf.exe
Download: download sample
Signature AgentTesla
File size:711'168 bytes
First seen:2023-04-25 23:00:34 UTC
Last seen:2023-05-13 22:52:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:8bSJgvmMmik/2k/iK3RycJUQvp5sQE9PDPoMfoPxefZVjuMXcI:8bSJgvm/ikkcuQvQdbPoMfoMCFI
Threatray 555 similar samples on MalwareBazaar
TLSH T107E4373829BD1727C179D7F68FD08427F2A4A96B3021EE2568D767A64316F1225C323F
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)
File icon (PE):PE icon
dhash icon 38bc3ce4ccc6de0c (6 x AgentTesla, 4 x Loki, 2 x Formbook)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
275
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
INV-A66G-B100 pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-04-26 02:53:20 UTC
Tags:
n/a

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
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
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)
Sample uses string decryption to hide its real strings
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 zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 854059 Sample: INV-A66G-B100_pdf.exe Startdate: 26/04/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Sigma detected: Scheduled temp file as task from temp location 2->51 53 7 other signatures 2->53 7 INV-A66G-B100_pdf.exe 7 2->7         started        11 LaJSfKEAWVsX.exe 5 2->11         started        process3 file4 31 C:\Users\user\AppData\...\LaJSfKEAWVsX.exe, PE32 7->31 dropped 33 C:\Users\...\LaJSfKEAWVsX.exe:Zone.Identifier, ASCII 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp8CDA.tmp, XML 7->35 dropped 37 C:\Users\user\...\INV-A66G-B100_pdf.exe.log, ASCII 7->37 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 61 Injects a PE file into a foreign processes 7->61 13 INV-A66G-B100_pdf.exe 2 7->13         started        17 powershell.exe 19 7->17         started        19 schtasks.exe 1 7->19         started        63 Multi AV Scanner detection for dropped file 11->63 65 Machine Learning detection for dropped file 11->65 21 LaJSfKEAWVsX.exe 2 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 39 maskanikenya.co.ke 170.10.161.27, 49695, 49696, 587 STEADFASTUS United States 13->39 41 mail.maskanikenya.co.ke 13->41 43 192.168.2.1 unknown unknown 13->43 25 conhost.exe 17->25         started        27 conhost.exe 19->27         started        45 mail.maskanikenya.co.ke 21->45 67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 29 conhost.exe 23->29         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-04-25 01:27:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
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:
21f0154b51a09767f94922b81f5fcd15cf4a6390ab7314e40d0e17b2dcdfe6ba
MD5 hash:
c926563698de3a89ad20474c85122f73
SHA1 hash:
ed1a3b2527ace111e6f39880c7ee3965f301330d
SH256 hash:
829795ab5c8a80609cf3e7ce764ebf7fe33fd196b40d799670d23a3fcf85c0c1
MD5 hash:
219d339c63fcefe905193a88f71f2f87
SHA1 hash:
e2ca0aa9c7b1e2d7a52d7126333d34af5bacfb11
SH256 hash:
282d6d387671b6eb5bfb26cc555ecd4a55814d007870a0951536bbc3301a29e4
MD5 hash:
27011c9aab69f64fc58e320a0d56bf11
SHA1 hash:
d91c322fc1b395eff06cf8996aac6807eb432cc0
SH256 hash:
95b742e813cad8c205ff6acf3c18d7451fa3de917090fc1f3ef80a7b888fc780
MD5 hash:
ab70ab5a58234a5f3c03ee34f57b01d7
SHA1 hash:
3469b6ea9d64d889783988dbd3153cf0f0769299
SH256 hash:
89a2b28ad32817e9be0489ae7fa0a9134f0f0b38f2e93f74c24e9278492ddb5a
MD5 hash:
769b5d1a7db04cbe31d90d218f54f74a
SHA1 hash:
692ba50a56ac4949404a30993eb0ea94fc4f5eaa
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: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.

Malspam

AgentTesla

Executable exe 89a2b28ad32817e9be0489ae7fa0a9134f0f0b38f2e93f74c24e9278492ddb5a

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments