MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 522743bbf5e1d8fe62f3fc1fff1addb5690a7b315f861a1d7e2ae99620e317d9. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: 522743bbf5e1d8fe62f3fc1fff1addb5690a7b315f861a1d7e2ae99620e317d9
SHA3-384 hash: 8f8fa4a43e994ab0344e4df5adf143a8869c7a9942546f1e42cc66a243badfd03d2c5eb5dd1ae4304ee5af024b729aed
SHA1 hash: 173c95d5ad4cf54d0a0f5e31e3bd80574bcbc332
MD5 hash: 14ecda98b7b9c7fcabf36ba2783b5d6b
humanhash: salami-zulu-winter-chicken
File name:SDZV21722.exe
Download: download sample
Signature AgentTesla
File size:355'024 bytes
First seen:2022-07-22 07:24:09 UTC
Last seen:2022-07-22 09:36:26 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:7zMbrbLxwxbQbVrBCPH8kHs2LiRUuHbDbdNDebNnK32yr4vQv:/U+OFejM276bDbdNDebNK32yr4S
TLSH T1C17449897E1071CFCC56C872CA747C24AADC7CA657178202AC9731599B3F59F8E372A2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 10f0c4c8c8c4f010 (26 x AgentTesla, 18 x Smoke Loader, 10 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
SDZV21722.exe
Verdict:
Malicious activity
Analysis date:
2022-07-22 09:18:25 UTC
Tags:
agenttesla

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

Behaviour
Sending a custom TCP request
Launching a process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed wacatac
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 very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected potential unwanted application
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 671546 Sample: SDZV21722.exe Startdate: 22/07/2022 Architecture: WINDOWS Score: 100 19 mail.tanzanitecoffee.co.tz 2->19 25 Snort IDS alert for network traffic 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 6 other signatures 2->31 7 SDZV21722.exe 1 2->7         started        signatures3 process4 file5 17 C:\Users\user\AppData\...\SDZV21722.exe.log, ASCII 7->17 dropped 33 Writes to foreign memory regions 7->33 35 Allocates memory in foreign processes 7->35 37 Injects a PE file into a foreign processes 7->37 39 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->39 11 cvtres.exe 6 7->11         started        15 cvtres.exe 7->15         started        signatures6 process7 dnsIp8 21 mail.tanzanitecoffee.co.tz 192.185.75.53, 49794, 49812, 587 UNIFIEDLAYER-AS-1US United States 11->21 23 192.168.2.1 unknown unknown 11->23 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->41 43 Tries to steal Mail credentials (via file / registry access) 11->43 45 Tries to harvest and steal ftp login credentials 11->45 47 Tries to harvest and steal browser information (history, passwords, etc) 11->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->51 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-21 23:34:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla payload
AgentTesla
Unpacked files
SH256 hash:
08c6dedf958d8ef831d588cbb98fa5e7f7e05f8b5d020c60f85d374511aa9102
MD5 hash:
8225b4ef1537395fe9ca131692849f87
SHA1 hash:
117020a929e3bb2fa8fe59772b3db86a92512c3e
SH256 hash:
522743bbf5e1d8fe62f3fc1fff1addb5690a7b315f861a1d7e2ae99620e317d9
MD5 hash:
14ecda98b7b9c7fcabf36ba2783b5d6b
SHA1 hash:
173c95d5ad4cf54d0a0f5e31e3bd80574bcbc332
Malware family:
AgentTesla.v3
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_ab4444e9
Author:Johannes Bader
Description:detects Agent Tesla
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 522743bbf5e1d8fe62f3fc1fff1addb5690a7b315f861a1d7e2ae99620e317d9

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments