MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f
SHA3-384 hash: 301734b5b6e249658f59152b7b6b37008fec9f3c665402c2afa765fd87ecdc812593e723757ad5c01fecdf60efda160b
SHA1 hash: e85c8d19151cf55c6795982184e238e1165cbb00
MD5 hash: de3bd9843436560788e2019125f711a0
humanhash: iowa-beer-gee-batman
File name:overdue invoice pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:675'328 bytes
First seen:2021-08-20 03:51:46 UTC
Last seen:2021-08-20 05:45:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:0r5/oC2O9NZ7niPeUezMGHUM1V6Vusjcy5KsVwdKuQdQVYJUEKl75jQWmc:0l4OR0eUezMG0MCV3jVKpQ2VYJUEKlCW
Threatray 8'634 similar samples on MalwareBazaar
TLSH T173E4E020B642E5EFC95E8D318FAB5E3059B12D7E85D1C35F508A319E0B7B392A40A1DF
dhash icon 00fcf0b0d086e8c8 (40 x AgentTesla, 2 x SnakeKeylogger)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
overdue invoice pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-20 03:54:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/26d78872-551a-4cec-8cfc-146cce8d3652

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/180840/
Detection(s):
SecuriteInfo.com.ArtemisDE3BD9843436.11821.14389.UNOFFICIAL
Create hunting rule

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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd71c389-d898-42ed-b843-84dca3a6241f
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836199
Signature
.NET source code contains very large array initializations
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 468626 Sample: overdue invoice pdf.exe Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 11 other signatures 2->53 7 overdue invoice pdf.exe 6 2->7         started        11 hgvQCmQ.exe 5 2->11         started        13 hgvQCmQ.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\...\HjuTkmcAySRpiA.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\Temp\tmp254.tmp, XML 7->33 dropped 35 C:\Users\user\...\overdue invoice pdf.exe.log, ASCII 7->35 dropped 55 Injects a PE file into a foreign processes 7->55 15 overdue invoice pdf.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 overdue invoice pdf.exe 7->21         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 23 schtasks.exe 1 11->23         started        25 hgvQCmQ.exe 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\hgvQCmQ.exe, PE32 15->37 dropped 39 C:\Windows\System32\drivers\etc\hosts, ASCII 15->39 dropped 41 C:\Users\user\...\hgvQCmQ.exe:Zone.Identifier, ASCII 15->41 dropped 43 Modifies the hosts file 15->43 45 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->45 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 02:50:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zfsll6szkm43pmbrt6uglv7b62gq6y7cz5gdnzd33lpnqkpe66hq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0663ffc968c7a2870e7c3234b4c2c2c5bae705a12a1f84ff4527af8d8b9466e5
AgentTesla
64a1da5bf1eea025444abcbb229754ee28c9cfd012383c0160c8d9bbe76471e9
AgentTesla
aeea83ba49eeed249340ee917db29ccaf58cb9d9ab6a2c1226408d0d7118fb28
AgentTesla
c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e
AgentTesla
d7550aca865eea83340a162a23a30ee5475147eb99a86fe08c3ac404ddda8400
AgentTesla
+ 8'624 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210820-x2r5fq8cf6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
c362729899c5956cfa9fc3bcf9b21ac72066a1b84a497ceb1281f76e2f55c54b
MD5 hash:
0327d1374a5ce015ad9c83c5de76e823
SHA1 hash:
e521349d9e96a4191248747c42c78b6f88fc8f63
Link:
https://www.unpac.me/results/3db133df-507e-400e-9601-2dde149cac4f/
SH256 hash:
6e2c46516a8bb1d7ce5f1405551539db76ed05b0d1fc990d8a46083f92fb6133
MD5 hash:
e3b8a02775a1b3d6c877ba3f62f0335d
SHA1 hash:
9c4703ce91edbd2215f2e21a766f99beda26b8bf
Link:
https://www.unpac.me/results/3db133df-507e-400e-9601-2dde149cac4f/
SH256 hash:
0762ce563abf0d264354c188254aec95ba9414a67878493b4ec1f8c932bc31b8
MD5 hash:
509e2c707526226a72714d089874d10a
SHA1 hash:
7408bca397eb63a8c7e7a3c63d2c666ed6fa5b0f
Link:
https://www.unpac.me/results/3db133df-507e-400e-9601-2dde149cac4f/
SH256 hash:
c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f
MD5 hash:
de3bd9843436560788e2019125f711a0
SHA1 hash:
e85c8d19151cf55c6795982184e238e1165cbb00
Link:
https://www.unpac.me/results/3db133df-507e-400e-9601-2dde149cac4f/
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/c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 c964b5fa595339b7b0319fa865d7e1f68d0f63e2cf4c36e47bdaded829e4f78f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180840/

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