MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16d662bcb526f0bc319671cb02488c7d37a70925d73a04d79c25e3ce0abb5253. 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 3 File information Comments

SHA256 hash: 16d662bcb526f0bc319671cb02488c7d37a70925d73a04d79c25e3ce0abb5253
SHA3-384 hash: 68b07f2af3d831ca0ced8af8d9443f556bd69200793eea803099430df0b1243ebdfe0002ffb2848dd1916388e2b9cd7a
SHA1 hash: 9a12a7ee13d038fdbaafd42cf734fd1e57c150b1
MD5 hash: 5c01dad215475198a7166e4f2dcea3af
humanhash: september-oranges-mango-ceiling
File name:PO5690-00.exe
Download: download sample
Signature AgentTesla
File size:778'752 bytes
First seen:2023-08-22 12:28:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:M5FgaEww2d1mbTDpA+JoS+mVD3nHBnUwiCObHxufRqEVrlqf7+OjTFN4XvkZg0dD:jaEw0iRZmVzHBOFuf9BZK5Wc60vDEA
Threatray 1'055 similar samples on MalwareBazaar
TLSH T1A3F4DF10A6BB4B85C97F93F53F21160C07BEA95A13FFD2207EC5A0DA5561B804A5AF33
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 James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
PO5690-00.exe
Verdict:
Malicious activity
Analysis date:
2023-08-22 12:29:48 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
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
Adding an exclusion to Microsoft Defender
Gathering data
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1295146 Sample: PO5690-00.exe Startdate: 22/08/2023 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Sigma detected: Scheduled temp file as task from temp location 2->41 43 6 other signatures 2->43 7 PO5690-00.exe 7 2->7         started        11 ofZhoqpUmUKZ.exe 3 2->11         started        process3 file4 27 C:\Users\user\AppData\...\ofZhoqpUmUKZ.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpE9D6.tmp, XML 7->29 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Adds a directory exclusion to Windows Defender 7->47 13 RegSvcs.exe 15 2 7->13         started        17 RegSvcs.exe 7->17         started        19 powershell.exe 21 7->19         started        21 schtasks.exe 1 7->21         started        49 Multi AV Scanner detection for dropped file 11->49 51 Machine Learning detection for dropped file 11->51 signatures5 process6 dnsIp7 31 mail.asgamaltex.com 13->31 33 api4.ipify.org 64.185.227.156, 443, 49716 WEBNXUS United States 13->33 35 2 other IPs or domains 13->35 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->53 55 Tries to steal Mail credentials (via file / registry access) 13->55 57 Tries to harvest and steal browser information (history, passwords, etc) 13->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->59 61 May check the online IP address of the machine 17->61 23 conhost.exe 19->23         started        25 conhost.exe 21->25         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-22 09:58:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
24 of 38 (63.16%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Looks up external IP address via web service
Unpacked files
SH256 hash:
2336da802d1ab62f64a810671d76eb9db57040a39972559834ee58f47fdc050f
MD5 hash:
3b989d8dd09e3c5d4e9544849a253906
SHA1 hash:
e8eea5b2834cb299042589eea5f758b842376ddb
Detections:
AgentTesla
SH256 hash:
abe04f4b847051a5debe1a1795487afbf31ae8557f15b87c1655f891f201423a
MD5 hash:
8632f154db1e53d4086f33ce4848d244
SHA1 hash:
e8681b28672e62ad0ab6341292dafd973738aa64
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
6b959869f767cbed167d5169ef0f2375ea56e202a0a8ac8dbb8f05cd1eae661e
MD5 hash:
e845de7a4cd00244a0f9446be285469b
SHA1 hash:
9749766f00920445091f6b27306bf09be01c0ae5
SH256 hash:
16d662bcb526f0bc319671cb02488c7d37a70925d73a04d79c25e3ce0abb5253
MD5 hash:
5c01dad215475198a7166e4f2dcea3af
SHA1 hash:
9a12a7ee13d038fdbaafd42cf734fd1e57c150b1
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:NET
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.

  
Delivery method
Other

Comments