MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046
SHA3-384 hash: b2c509e1be52d0ef599d01f9a1e8990f99c92f4af7b6b751685f53d3c032e283dd1e05411bb7931720d7759cd2373754
SHA1 hash: 4a53d29a0359b689a6998b88982e66cf57f59fbc
MD5 hash: f9b8737302391f3c17390f23fdbed194
humanhash: edward-kentucky-avocado-magazine
File name:Overdue Payment.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:947'712 bytes
First seen:2022-03-08 11:42:44 UTC
Last seen:2022-03-09 09:40:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:hrJ36f32iNyAhUCkczAgSm7qm0ncXXZTm5wbGKp06pTjisEJJ2uf7jnvCXwwGpmt:hrJ36f31lUCBAgSqqmScX5oZfJYOW
Threatray 15'138 similar samples on MalwareBazaar
TLSH T187156BAE711075DFC51BC836CA986D68EB607D76470B9207A06731AADE3D887DF240F2
File icon (PE):PE icon
dhash icon f0f0f2b2e834b498 (29 x AgentTesla, 12 x AveMariaRAT, 8 x RedLineStealer)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/248230/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ccd346fc-28a4-4a53-a440-bbb5755de917
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/952484
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Modifies the hosts file
Multi AV Scanner detection for dropped 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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Sigma detected: Suspicius Schtasks From Env Var Folder
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 584964 Sample: Overdue Payment.pdf.exe Startdate: 08/03/2022 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for dropped file 2->49 51 14 other signatures 2->51 7 Overdue Payment.pdf.exe 6 2->7         started        11 HjYArO.exe 2 2->11         started        13 HjYArO.exe 1 2->13         started        process3 file4 27 C:\Users\user\AppData\Roaming\muFBTKaz.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\tmpE431.tmp, XML 7->29 dropped 31 C:\Users\user\...\Overdue Payment.pdf.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\...\HjYArO.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
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 01:09:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
23 of 27 (85.19%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uciwtt25y2vz3i2ahcawq7tnkgkqjgzuy7v5vr2id3oxn5ibgbda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
4006f3b26b8e79d28bd27228cfb5810168a374a0e4e2f6e994a2bec97b07dfa6
AgentTesla
646b569b3ef20383d99349fde21accd8f56cb7f609ffe2e7efafa194587b4c06
AgentTesla
7e8767e4d9b2e9e80c0f7b2a191efb788f77f6282a987c07e4ff6474d3092d0c
AgentTesla
8db415977dd7c96f0dc85b6adcdd60a714f9e4a2655afb843e776da2e22c6082
AgentTesla
a592c516b3b62dcdefccae7e5182a53433053f60f019f10bcf9b7ca214c0310e
AgentTesla
a6a036e31e8bb26cf47dd8d3bee915debee906e4cf399ff7da29ca2b785d8cee
AgentTesla
cbbbe050961a250cf380309380aa374ba678aa573252704383a52ca6d1ad9768
AgentTesla
+ 15'128 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220308-nvk46shceq/
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
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
87a5abf55c3e654c31235625c604eaf0f3d41265984a60d40ffaa511ad93901e
MD5 hash:
793383f6de78a57373b9c734fbbabf90
SHA1 hash:
4ff0414164cc2db0958b2a22803e0995bc5e6f6f
Link:
https://www.unpac.me/results/cda4135f-4b50-46e4-a7c4-f57605eba92f/
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
Link:
https://www.unpac.me/results/cda4135f-4b50-46e4-a7c4-f57605eba92f/
SH256 hash:
e78be0ae29191ddbabbea7963629c8cd1413bafbf45f6726b9d0bc197a53822c
MD5 hash:
eff31037bc7625c66c8dc524cfaa7456
SHA1 hash:
41b1072fed3f71701cf4418f6cc3f0bfeab6f816
Link:
https://www.unpac.me/results/cda4135f-4b50-46e4-a7c4-f57605eba92f/
SH256 hash:
a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046
MD5 hash:
f9b8737302391f3c17390f23fdbed194
SHA1 hash:
4a53d29a0359b689a6998b88982e66cf57f59fbc
Link:
https://www.unpac.me/results/cda4135f-4b50-46e4-a7c4-f57605eba92f/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a09169cf5dc6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
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 a09169cf5dc6ab9da3403881687e6d5195049b34c7ebdac7481edd76f5013046

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/248230/

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