MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f
SHA3-384 hash: 29aee3ac97f1eceecf3a303b9e7bb6ad492eb0134be6b02004d663b32a6e3b97ddb8078674ecd8935847b05ed04fe1c4
SHA1 hash: 3e8793381a99e2edf870dde3c91bb679bb50cc9c
MD5 hash: 2ab72358b6a04a47e38b746467b97657
humanhash: zebra-winter-asparagus-freddie
File name:Halkbank002.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:753'152 bytes
First seen:2022-04-12 12:19:56 UTC
Last seen:2022-04-12 13:25:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:Ar+ESB9LZc4qpHLjT6AX2N0DdtbWU86h4RTTKvvh3lOclT6FJg2g6:LBLNqprjd2NKCUbOTTod9Uqh
TLSH T10CF4C015FAABC912D2A80777C0E70C0407B5AA62D95ED32F3B91A2D91D133EB8D43797
File icon (PE):PE icon
dhash icon 73432b4d556d597d (15 x SnakeKeylogger, 14 x AgentTesla, 12 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
329
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Halkbank002.exe
Verdict:
Malicious activity
Analysis date:
2022-04-13 03:59:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2eabdf94-d973-40d1-ba7a-d3439b49f9d4

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/263039/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.GZQ.genEldorado.12361.16496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe expand.exe obfuscated packed
Link:
https://www.filescan.io/uploads/62556e89482f2f41ca9fb5bf/reports/9fd14f8a-40e8-4b0b-ba5c-c72a1134f03c/overview
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/598bc8ce-5312-41b8-a58d-bfd5aa7451e0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/975586
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
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 / registry 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: 608075 Sample: Halkbank002.exe Startdate: 12/04/2022 Architecture: WINDOWS Score: 100 57 Malicious sample detected (through community Yara rule) 2->57 59 Multi AV Scanner detection for dropped file 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 7 other signatures 2->63 7 Halkbank002.exe 7 2->7         started        12 CpsXBC.exe 5 2->12         started        14 CpsXBC.exe 2->14         started        process3 dnsIp4 55 192.168.2.1 unknown unknown 7->55 45 C:\Users\user\AppData\...\xyBtNlUwZKx.exe, PE32 7->45 dropped 47 C:\Users\...\xyBtNlUwZKx.exe:Zone.Identifier, ASCII 7->47 dropped 49 C:\Users\user\AppData\Local\...\tmpDF0A.tmp, XML 7->49 dropped 51 C:\Users\user\AppData\...\Halkbank002.exe.log, ASCII 7->51 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->77 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->79 81 Uses schtasks.exe or at.exe to add and modify task schedules 7->81 83 Injects a PE file into a foreign processes 7->83 16 Halkbank002.exe 2 9 7->16         started        21 powershell.exe 25 7->21         started        23 schtasks.exe 1 7->23         started        25 Halkbank002.exe 7->25         started        85 Multi AV Scanner detection for dropped file 12->85 87 Machine Learning detection for dropped file 12->87 89 Adds a directory exclusion to Windows Defender 12->89 27 CpsXBC.exe 12->27         started        29 powershell.exe 12->29         started        31 schtasks.exe 12->31         started        file5 signatures6 process7 dnsIp8 53 mail.privateemail.com 198.54.122.135, 49781, 49783, 49794 NAMECHEAP-NETUS United States 16->53 41 C:\Users\user\AppData\Roaming\...\CpsXBC.exe, PE32 16->41 dropped 43 C:\Users\user\...\CpsXBC.exe:Zone.Identifier, ASCII 16->43 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->65 67 Tries to steal Mail credentials (via file / registry access) 16->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->69 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        71 Tries to harvest and steal ftp login credentials 27->71 73 Tries to harvest and steal browser information (history, passwords, etc) 27->73 75 Installs a global keyboard hook 27->75 37 conhost.exe 29->37         started        39 conhost.exe 31->39         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-12 12:02:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ggluugnobh3fvx5swqrfldrs4wml7g4evnvdprmp72n6a47stnpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/220412-phrlvsbdan/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
d6e7615aa1a8f057ec33e18ec2bf1d9a6d0b6b9995d48ef801afb48b098a5974
MD5 hash:
1aa70615746479170cae4bf70b7e098b
SHA1 hash:
df3b32e6cec03f54a74ef7d97701d10069594eaf
Link:
https://www.unpac.me/results/2c860e3e-4169-49e1-961e-005ef583ac5c/
SH256 hash:
b4364bba1d1c0f9cd4f07899b646ab90c1fcee31a985cea8377960da1692903a
MD5 hash:
42d633e43e81a4b3b1e7c3e61a2bbcb4
SHA1 hash:
9e459eedfcd7d56b3917372066a55279e35a60fc
Link:
https://www.unpac.me/results/2c860e3e-4169-49e1-961e-005ef583ac5c/
SH256 hash:
8ae79f8b8d876649973e8774165aa6c338153ead01bbe940721a60c836a80e18
MD5 hash:
3e0e0a5bf52e143b4c3f9b39510257de
SHA1 hash:
2daef6b88930274c1f0d081572d7ae49b13fddb8
Link:
https://www.unpac.me/results/2c860e3e-4169-49e1-961e-005ef583ac5c/
SH256 hash:
4c0a41bbeb2238bb2aa6c5c9a66c1141bee75da0f37a8f76c25043771f922545
MD5 hash:
8bd89a2ca659383072120e3055c062f2
SHA1 hash:
063ebd34bc963eff12183e3275fb012229ddda85
Link:
https://www.unpac.me/results/2c860e3e-4169-49e1-961e-005ef583ac5c/
SH256 hash:
31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f
MD5 hash:
2ab72358b6a04a47e38b746467b97657
SHA1 hash:
3e8793381a99e2edf870dde3c91bb679bb50cc9c
Link:
https://www.unpac.me/results/2c860e3e-4169-49e1-961e-005ef583ac5c/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/31974a19ae09/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/31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f

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: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 31974a19ae09f65adfb2b422558e32e598bf9b84ab6a37c58ffe9be073f29b5f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/263039/

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