MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024
SHA3-384 hash: 86f43581fec3f3afb51782cbb32a6b89ed279608295baea5adfea41aaebbbfff1b2ee4285f78f21ea8bf9db7b10a7ec7
SHA1 hash: 66e6daa8ef7e228e394ad3417db4236a2e7e495f
MD5 hash: 65f9545d9f07da334d1679a5e03cdd8e
humanhash: eight-alpha-fourteen-tango
File name:New Purchase Order - August 2021.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'234'944 bytes
First seen:2021-08-20 07:55:51 UTC
Last seen:2021-08-20 11:34:33 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 24576:L9ggRSHnJSrJr3RLt6ULO2PaKe8TwgTMbf5qzCZsGUyx:xggwJSZRLtgDbyiWM
Threatray 8'656 similar samples on MalwareBazaar
TLSH T1C0454A3D19B91633C1B9C375EBE59423B248985FB401EE696CDE03A7031BA9735C362E
dhash icon d0a4b4c2cac0e4f4 (9 x AgentTesla, 4 x Loki, 4 x Formbook)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
140
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New Purchase Order - August 2021.exe
Verdict:
Suspicious activity
Analysis date:
2021-08-20 07:57:04 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1d4b44c9-5c49-4de1-b163-32839dcbe141

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/180906/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.48175.31061.23878.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fd6a6344-8426-4731-96f3-39f7a62e0386
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/836315
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
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
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)
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)
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 access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 468746 Sample: New Purchase Order - August... Startdate: 20/08/2021 Architecture: WINDOWS Score: 100 34 clientconfig.passport.net 2->34 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 8 other signatures 2->52 7 New Purchase Order - August 2021.exe 3 2->7         started        10 gqxRqe.exe 3 2->10         started        13 gqxRqe.exe 2 2->13         started        signatures3 process4 file5 32 New Purchase Order - August 2021.exe.log, ASCII 7->32 dropped 15 New Purchase Order - August 2021.exe 17 9 7->15         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->56 20 gqxRqe.exe 2 10->20         started        22 gqxRqe.exe 2 13->22         started        24 gqxRqe.exe 13->24         started        signatures6 process7 dnsIp8 36 ftp.digicon.com.mx 67.217.34.36, 21, 49715, 49716 NETSOURCEUS United States 15->36 26 C:\Users\user\AppData\Roaming\...\gqxRqe.exe, PE32 15->26 dropped 28 C:\Users\user\...\gqxRqe.exe:Zone.Identifier, ASCII 15->28 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 Tries to harvest and steal ftp login credentials 15->42 44 3 other signatures 15->44 30 C:\Windows\System32\drivers\etc\hosts, ASCII 22->30 dropped file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-20 07:56:07 UTC
AV detection:
7 of 46 (15.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=upxp2l2uoe2llxnguapjer7o7ji7rz3e2g4d4mbx7afnizmjaasa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
05edc3fe4fb4bfa22e5e3ce66e66a4f258adc1aebbb26142bafd1a9264feb4b9
AgentTesla
95ce949feed3cefb07973852c6e04a82343a1942e56707e6f3929a86901505c3
AgentTesla
ced76b537a8834ac6679f8341d7c3d853cda887c42b55a490cb09d4cde7e235b
AgentTesla
dc4377d35ea297b19109a9bc2c63c5a5eff23adf98077d999f8926e9b1181048
AgentTesla
e3dbf118d6c7df1ef21ad8935f4751dd7c64c40700f7d5e9db078f6c4bb28bdb
AgentTesla
e45ea9f5349a46d088a2e2ae48bdb9fe83df9d34b30ea961f8af801fa250e00c
AgentTesla
fc33405b84949bb0601b17ac507f26b137f62b30d96c4ccafbbb75d6c99a1983
AgentTesla
+ 8'646 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-t4lqn866ks/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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:
6912e4bedd1288f116e968f0a79d9797f6d6bd24d45a5f10c52e20f9d33b8c61
MD5 hash:
03bde4a82ad64c0f314985232fbca3fa
SHA1 hash:
e8d0b6339e94192eaaca32c812f914e60576dca6
Link:
https://www.unpac.me/results/6fa2e8e9-7670-484f-b2b6-df8326eb0bc9/
SH256 hash:
a9ca023a78f4cace75aeda2087ed81e613a92589e026ef9839595cd0c4d4d7fe
MD5 hash:
4540d9c738c8b71706cffe15449a616e
SHA1 hash:
d548355e25f68046f18f1d19a5bbc013a76b7f44
Link:
https://www.unpac.me/results/6fa2e8e9-7670-484f-b2b6-df8326eb0bc9/
SH256 hash:
2f845834afa52f3e9ec2989c72eb470fb846c891bb7deb5331abac8f18b649da
MD5 hash:
54e7ad107bd33b307b675e7dbbb0a4d8
SHA1 hash:
405394398a2663ae0163304de7f97abddc7025cd
Link:
https://www.unpac.me/results/6fa2e8e9-7670-484f-b2b6-df8326eb0bc9/
SH256 hash:
a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024
MD5 hash:
65f9545d9f07da334d1679a5e03cdd8e
SHA1 hash:
66e6daa8ef7e228e394ad3417db4236a2e7e495f
Link:
https://www.unpac.me/results/6fa2e8e9-7670-484f-b2b6-df8326eb0bc9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.45
Link:
https://yomi.yoroi.company/submissions/a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024

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
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
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: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 a3eefd2f547134b5dda6a01e9247eefa51f8e764d1b83e3037f80ad465890024

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/180906/

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