MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40a33fa7eeec1caf0ee27f87a4c3d8fd8f1475789191a1693329e2fa154b02a2. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40a33fa7eeec1caf0ee27f87a4c3d8fd8f1475789191a1693329e2fa154b02a2
SHA3-384 hash: 0b5f423af059ed04cd84559a1f7fb2529817fbb5f4711529249bdd4586ea9f8b3a5d05da46e347f12ad6dc59ac56ff3c
SHA1 hash: a41c7239026a2820c2e79fa2b3e9e29194517c17
MD5 hash: 7049a8a60d535e335ad3ba4f32ac5b14
humanhash: skylark-green-hot-yankee
File name:FIRST PURCHASE ORDER.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:751'104 bytes
First seen:2020-07-22 09:11:49 UTC
Last seen:2020-07-24 02:06:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:sZF/MVvAPUW2iNSO13EvuhJXn1uipRxVVUwMpIWT8ydZP7r9r/+pppppppppppp9:s+AcW1713EvkXXTkyuBZ1q
Threatray 10'646 similar samples on MalwareBazaar
TLSH FEF46A80EBB406E4DF185770E536C83056227DAD6BF4951C2BD9FD6B3ABA3825223D13
Reporter jarumlus
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/30996/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.LuheFihaA.14210.28785.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Creating a file
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/394796
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 249804 Sample: FIRST PURCHASE ORDER.exe Startdate: 23/07/2020 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->60 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 5 other signatures 2->66 8 FIRST PURCHASE ORDER.exe 5 2->8         started        11 sLbGMVN.exe 2 2->11         started        13 sLbGMVN.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\...\KdxcgWbpygExaT.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp359E.tmp, XML 8->40 dropped 42 C:\Users\...\FIRST PURCHASE ORDER.exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 1 4 8->15         started        20 RegSvcs.exe 8->20         started        22 schtasks.exe 1 8->22         started        24 conhost.exe 11->24         started        26 conhost.exe 13->26         started        process5 dnsIp6 44 aquariuslogistics.com 209.99.16.206, 49715, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->44 46 mail.aquariuslogistics.com 15->46 34 C:\Users\user\AppData\Roaming\...\sLbGMVN.exe, PE32 15->34 dropped 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Tries to steal Mail credentials (via file access) 15->50 52 Tries to harvest and steal ftp login credentials 15->52 58 3 other signatures 15->58 28 reg.exe 1 15->28         started        54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->56 30 conhost.exe 22->30         started        file7 signatures8 process9 process10 32 conhost.exe 28->32         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/40a33fa7eeec1caf0ee27f87a4c3d8fd8f1475789191a1693329e2fa154b02a2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-22 09:13:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
42
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=icrt7j7o5qok6dxcp6d2jq6y7whri5lysgi2c2jtfhrpufklakra._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534
AgentTesla
2ed8cd44621cc06fa9a00f11b5217fe58839a8ec6bfee8d42f78f61263652da5
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476d02f7c777bb08d97cf87c305e3cb4f41501c1b15ddd88e55f31bff0767b0a
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49aaf4ae6bf7f60a07c4ffc43ca0be27fce694446436dd07aac5db362142c2c8
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75fc0beb16fbe8af2f46d2cfcb7176af4289430516d74017d1a32cd0c37859c0
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9256cc7129421443ba770b55f01042e58fa5af856df1db31e830f147213c2a1c
AgentTesla
afd354c93f9c9ad2324dd4ecd1e58041f373f1b3360ef8ce2792e437bd104a8d
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d5dd3977cdc2602a68093c08e166b1508253ef0934f986d00be980e47b7c50f9
AgentTesla
dec608206e941da5042333c8e35fe01bb17e50cc67ec58b03e872694cb5e219b
AgentTesla
f8a0ada1c983c16a3ff6b107c2a04cac970e51ba9bec2514771271af03b7b9fc
AgentTesla
+ 10'636 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200722-l27r5fxcxe/
Behaviour
Suspicious use of AdjustPrivilegeToken
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/40a33fa7eeec1caf0ee27f87a4c3d8fd8f1475789191a1693329e2fa154b02a2

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

7z 9ffd774ffa639b926288eab6adafd991d3878fe58b5b17f27c76ed74c0f3ea96

AgentTesla

Executable exe 40a33fa7eeec1caf0ee27f87a4c3d8fd8f1475789191a1693329e2fa154b02a2

(this sample)

  
Dropped by
MD5 38ed19d73af4f08795c9c6e10ab4b761
  
Dropped by
SHA256 9ffd774ffa639b926288eab6adafd991d3878fe58b5b17f27c76ed74c0f3ea96
  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/30996/

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