MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a43a145806aa6aeef3f5c73d915281a6ea092e254ffa4fa8c2d14b0133eb603. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 6a43a145806aa6aeef3f5c73d915281a6ea092e254ffa4fa8c2d14b0133eb603
SHA3-384 hash: 18436ed80935433c30e5cabb83ffdd0305ed3b74d5dff7e181ca20eb4f7ce97ed260a9a88700036efafe1698234b611d
SHA1 hash: cf9cd0611e28434d520f74020f1e0b212f561c5f
MD5 hash: 0eafffc6872890f95d6cd451a6170dda
humanhash: dakota-alabama-football-nitrogen
File name:Transaction for USD137.000.jpg (2).exe
Download: download sample
Signature AgentTesla
File size:717'824 bytes
First seen:2023-08-15 10:38:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:86faa4lrrQ5Y3oldMXfQW6Q8QTxpngQeXb5i8HAtdtzLhioG:Zfz4lXiYuXJQ/TxqR9qtThzG
TLSH T1DCE48AC2E876E7E3C8B587F8609611049F397FD63468D2941CA630D67AF0B043697A7E
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 TeamDreier
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
323
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Transaction for USD137.000.jpg (2).exe
Verdict:
Malicious activity
Analysis date:
2023-08-15 10:42:48 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
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
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
Restart of the analyzed sample
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 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
Snort IDS alert for network traffic
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1291338 Sample: Transaction_for_USD137.000.... Startdate: 15/08/2023 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 9 other signatures 2->43 7 Transaction_for_USD137.000.jpg_(2).exe 7 2->7         started        11 OjOYzRAlEJCdTe.exe 3 2->11         started        process3 file4 27 C:\Users\user\AppData\...\OjOYzRAlEJCdTe.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp4460.tmp, XML 7->29 dropped 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->45 47 May check the online IP address of the machine 7->47 49 Uses schtasks.exe or at.exe to add and modify task schedules 7->49 51 Adds a directory exclusion to Windows Defender 7->51 13 Transaction_for_USD137.000.jpg_(2).exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 schtasks.exe 1 7->19         started        21 Transaction_for_USD137.000.jpg_(2).exe 7->21         started        53 Multi AV Scanner detection for dropped file 11->53 55 Machine Learning detection for dropped file 11->55 signatures5 process6 dnsIp7 31 api4.ipify.org 64.185.227.156, 443, 49709 WEBNXUS United States 13->31 33 api.telegram.org 149.154.167.220, 443, 49712, 49713 TELEGRAMRU United Kingdom 13->33 35 2 other IPs or domains 13->35 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->57 59 Tries to steal Mail credentials (via file / registry access) 13->59 61 Tries to harvest and steal browser information (history, passwords, etc) 13->61 23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-08-14 16:32:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware stealer
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
20ee6aa728dee4381f4a9e1cb68f2881c1cf49d433bc831b1522eb610e47c636
MD5 hash:
d2dd56c03d6189127439c3e3904a6c83
SHA1 hash:
3bb034ec16350a07a7eba9492730f940abb8a28f
SH256 hash:
d742793f0cafd834a66d0976f7d5001b7d494a88e918040ff6f8cdc5f644e11b
MD5 hash:
77248b0dd3620f77338dbca0961cb5c0
SHA1 hash:
0d8c2e4d724d652729accb46655b5f155331dfc4
SH256 hash:
6a43a145806aa6aeef3f5c73d915281a6ea092e254ffa4fa8c2d14b0133eb603
MD5 hash:
0eafffc6872890f95d6cd451a6170dda
SHA1 hash:
cf9cd0611e28434d520f74020f1e0b212f561c5f
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.

Malspam

AgentTesla

Executable exe 6a43a145806aa6aeef3f5c73d915281a6ea092e254ffa4fa8c2d14b0133eb603

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments