MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 173b362dbdb8d7ff3d5e9ab57be06bf28da8758a44ac656b57eb47c2d73b8790. 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 7 File information Comments

SHA256 hash: 173b362dbdb8d7ff3d5e9ab57be06bf28da8758a44ac656b57eb47c2d73b8790
SHA3-384 hash: fc329deb24f9bb8dc587a0d70a47eba0818e42f0d4a6e1d9b4325cbc8f30dd9793fa449c763a3ab7b7f845e3aa013ec1
SHA1 hash: 54eb0e7f550efe930472868d7a8f30e27cdeb15c
MD5 hash: 670b8c8c901b263b9d799df9f8e414c4
humanhash: bravo-foxtrot-eighteen-seven
File name:LINE UP BERTH-05 AUGUST 2021.exe
Download: download sample
Signature AgentTesla
File size:679'936 bytes
First seen:2021-08-20 11:16:44 UTC
Last seen:2021-08-20 19:10:49 UTC
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:I+DwT3orJiQbbLh5OLYpKFE8LKD5wrPzVzE0yPcXhsK+f0oPLYmCCNjB:fcLordrh5OLYpKF4OLzGPaSG
Threatray 8'653 similar samples on MalwareBazaar
TLSH T188E4E0E2B740ADCDD82FAA71C8B75C1143786836D2CBD30F1487B6E54EAE361890759B
dhash icon e0a8b2a496f83e80 (9 x AgentTesla, 1 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
LINE UP BERTH-05 AUGUST 2021.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 11:18:42 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
Creating a window
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Forced shutdown of a system process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
UNKNOWN
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468800 Sample: LINE UP BERTH-05 AUGUST 2021.exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected AgentTesla 2->49 51 6 other signatures 2->51 7 LINE UP BERTH-05 AUGUST 2021.exe 6 2->7         started        11 DLxES.exe 2 2->11         started        13 DLxES.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\CpzziHTSD.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmp8C38.tmp, XML 7->29 dropped 31 C:\...\LINE UP BERTH-05 AUGUST 2021.exe.log, ASCII 7->31 dropped 53 Writes to foreign memory regions 7->53 55 Injects a PE file into a foreign processes 7->55 15 RegSvcs.exe 2 4 7->15         started        19 schtasks.exe 1 7->19         started        21 conhost.exe 11->21         started        23 conhost.exe 13->23         started        signatures5 process6 file7 33 C:\Users\user\AppData\Roaming\...\DLxES.exe, PE32 15->33 dropped 35 C:\Windows\System32\drivers\etc\hosts, ASCII 15->35 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->39 41 Modifies the hosts file 15->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->43 25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-08-20 11:17:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
1acce31125cdc0340b86b97c1c612a5d1fc606b17296b5bbe3c7aac9e5412903
MD5 hash:
1db43ddebd8051045908afc515cec108
SHA1 hash:
e1c3e0470ea3515537724f7422274a3e999c55c4
SH256 hash:
8dddadfceafa516c00fb257129b85f42aa5b07d0917cf25e8f9d2f3bb188c203
MD5 hash:
94a55cdc3aa4c9100c1abebf708957f2
SHA1 hash:
bf5fba7d5c912c27e1b952aea0bed60f330cc779
SH256 hash:
9e3565cf0b031d1510e511c9d16db596467b39afb362e6bdc8e0f7e984cc5770
MD5 hash:
07187d273fddd7bf4bc5bac5157c37c3
SHA1 hash:
0231f50aaf5b73b2bfda9dba4662d7bf5f69ac37
SH256 hash:
173b362dbdb8d7ff3d5e9ab57be06bf28da8758a44ac656b57eb47c2d73b8790
MD5 hash:
670b8c8c901b263b9d799df9f8e414c4
SHA1 hash:
54eb0e7f550efe930472868d7a8f30e27cdeb15c
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:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 173b362dbdb8d7ff3d5e9ab57be06bf28da8758a44ac656b57eb47c2d73b8790

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments