MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b
SHA3-384 hash: 773bcb7b8d4d2a1f58d05cfabd9705b70644ae9ba3fdde79426bac270ddff7c7b09dc50398f50a66fe2943c60ce0dcff
SHA1 hash: e286a9cb61deafa11d72a58501a6f1a585c052ca
MD5 hash: feaf596e897e593424451250f21891a8
humanhash: steak-grey-cold-football
File name:Payment Adivce.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'548'800 bytes
First seen:2021-03-17 08:29:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:ogsRYud0v6kAIVncKuxvE/NxJPopH2brP:ogsRYI0v6scxvyVopH
Threatray 3'582 similar samples on MalwareBazaar
TLSH C165831316F4FE24D27D32718C7B5419C5EC95329338F069796A338ACA6F9104FA26EE
Reporter fabjer
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment Adivce.exe
Verdict:
Malicious activity
Analysis date:
2021-03-17 08:35:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/00dde3e2-1225-4e79-b46e-4e3cf95f8541

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 UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/641904
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
Installs a global keyboard hook
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)
Sigma detected: Scheduled temp file as task from temp location
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)
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: 369926 Sample: Payment Adivce.exe Startdate: 17/03/2021 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 11 other signatures 2->64 7 Payment Adivce.exe 7 2->7         started        11 RXhUFA.exe 5 2->11         started        13 RXhUFA.exe 2->13         started        process3 file4 38 C:\Users\user\AppData\...\DnWqefexXn.exe, PE32 7->38 dropped 40 C:\Users\...\DnWqefexXn.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\Local\...\tmpAC84.tmp, XML 7->42 dropped 44 C:\Users\user\...\Payment Adivce.exe.log, ASCII 7->44 dropped 66 Injects a PE file into a foreign processes 7->66 15 Payment Adivce.exe 2 9 7->15         started        20 schtasks.exe 1 7->20         started        68 Multi AV Scanner detection for dropped file 11->68 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->70 72 Machine Learning detection for dropped file 11->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->74 22 RXhUFA.exe 2 11->22         started        24 schtasks.exe 1 11->24         started        26 RXhUFA.exe 11->26         started        signatures5 process6 dnsIp7 46 us2.smtp.mailhostbox.com 208.91.198.143, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->46 48 208.91.199.223, 49742, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->48 32 C:\Users\user\AppData\Roaming\...\RXhUFA.exe, PE32 15->32 dropped 34 C:\Users\user\...\RXhUFA.exe:Zone.Identifier, ASCII 15->34 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 Tries to harvest and steal ftp login credentials 15->54 56 4 other signatures 15->56 28 conhost.exe 20->28         started        36 C:\Windows\System32\drivers\etc\hosts, ASCII 22->36 dropped 30 conhost.exe 24->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-03-16 03:40:51 UTC
AV detection:
7 of 47 (14.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tac27pcoyu56uxaivoisirprvhrupepovk5gzdwa2ubchywgabnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
168d180de146160d0ba93335e36e00d62029ea13f0a41ace68a76e8a2b547ac3
AgentTesla
4ee357dd7681ca5f80acaeb7d55df4432de5d370c73e6bb887e3461b6ed537f8
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793a4b11f420fac22319c4ea9c2f42d25f3e99e830e6fe292ecf9def80b00780
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80696b82979f9ef0936df9b0406561d491778061ce19469508097dd6b21d9bd7
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9084d540bb1b53268cfa8b0372d5ea3769040050deda186264ff5127f1dcc698
AgentTesla
9cc817f0205da4bde1d938e1817aa98fe4f4a5dcbcaffbe8b45041e24c105aa0
AgentTesla
ddd2c3304f4423f4348cf0d858ecba70eaaba5b652969d5f582a534ccfb55093
AgentTesla
ead0f6ef88c149f4318129ed6e3ef5fb30bd2ab03afef3625ca08d1b2f6f180e
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eb9de162cbe1af46b276cebd9141ece2b6bd02847d906e4078b2dc8ded5c2a06
AgentTesla
f7af12b666ffa2eb7f5c8a4bdf258b4b47138f8fe21f7f11271581caa891918d
AgentTesla
+ 3'572 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/210317-zpe5en3tdj/
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
2b43013edb5706a946f4e523a1a219b31fe2a7e05c48884c048882b3c1327655
MD5 hash:
b7159eb14fe565d4e233604b629bbd8a
SHA1 hash:
64f82c67e6c7cbc078141162a49bffcee3d9ebb9
Link:
https://www.unpac.me/results/aa2272ee-ac6b-4382-a54b-6ba68f69e213/
SH256 hash:
9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b
MD5 hash:
feaf596e897e593424451250f21891a8
SHA1 hash:
e286a9cb61deafa11d72a58501a6f1a585c052ca
Link:
https://www.unpac.me/results/aa2272ee-ac6b-4382-a54b-6ba68f69e213/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.40
Link:
https://yomi.yoroi.company/submissions/9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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

iso 750104bbbb782e4f9e466e3ba31882d4bc9446b9cdcb0cf5ad4f624df894952d

AgentTesla

Executable exe 9805afbc4ec53bea5c08ab912445f1a9e34791eeaaba6c8ec0d50223e2c6005b

(this sample)

  
Dropped by
SHA256 750104bbbb782e4f9e466e3ba31882d4bc9446b9cdcb0cf5ad4f624df894952d
  
Delivery method
Distributed via e-mail attachment

Comments