MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102. 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: 17


Intelligence 17 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
SHA3-384 hash: a8edb07deb71e6594643d6e718dfd0ca4ef3e597bfc1fd8a44d846b514be6d8103c730dd6f56f2b82305675bdd721130
SHA1 hash: 7e36a2fd9c96a435ec6cbc3e1be4f838a8e98da2
MD5 hash: d1a249424c215c49e09dbdff90976108
humanhash: carbon-massachusetts-fillet-potato
File name:Purchase Order10874.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:646'656 bytes
First seen:2023-11-24 08:11:01 UTC
Last seen:2023-11-24 09:26:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:iRCzcFMK6YgdcYGMy3eWE+HgHtkBSu7ZOc5bXGMDrP1VKtOJnK4ENzWK:FcFMKPUcCSenyBiUbGMDrPOOJhEN
Threatray 2'901 similar samples on MalwareBazaar
TLSH T14CD4235936065F41D1EA4AF626E4260707B073CD9F54FF3C9FAC28EA9E26780E150DE2
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 00e4f8d2f2d0c010 (7 x Formbook, 5 x AgentTesla, 2 x SnakeKeylogger)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
347
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459972/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.59820.19561.24867.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65605a980a09154b1925d97c/reports/fff56a3c-d517-4b6a-a5b0-98b6d29268e1/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
Result
Verdict:
MALICIOUS
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/500ce1d1-1c76-422c-b093-05ca94b7739d
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1347266
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-24 05:22:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeafmh5wodaos7khjlu5ksufauaq3wnrqkbdwg6kottsik6heeba._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
0a644f0b12b5793e5a46ac568d649400e9e83cfde45f229d620585cd07f7f8a8
AgentTesla
6240909c84703db12c2c00b8a3736244adc75515caaa569fb65535bfc78ecd01
AgentTesla
b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
AgentTesla
df4159ea54a698833d761f210f5fa21d30669539a7e54f702600ab5821473c4a
AgentTesla
f281d0cd25d9dc8b85212323cb16829069afc3978f6f89b3b10d228da0da5d35
AgentTesla
+ 2'891 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231124-j29nwshh5s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/2a084f44-d93f-4878-8c0a-604ce84761f7/
SH256 hash:
b40c51212af363bb685b5297ed6bf9f2b327f0ee31987c9eb4eb74fe79d925c6
MD5 hash:
af9c4cbc5be56020a32b6ae6c7d535d4
SHA1 hash:
ecd022f7261025c01779f742832372729e7b2bbf
Link:
https://www.unpac.me/results/2a084f44-d93f-4878-8c0a-604ce84761f7/
SH256 hash:
21641a9069d48b81a249af61b628ce768926be28201f0fbddefaaf2343d835ef
MD5 hash:
dbe8c17b24c2b241dd62bb876b0bfc0a
SHA1 hash:
be0c0aefe203b8904b00b26dd876d53d9dee1640
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/2a084f44-d93f-4878-8c0a-604ce84761f7/
Parent samples :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 hash:
e26073b80f9d9d4cc179c364c8345bb8c0899f93ba7c5664fdd5f91349598977
MD5 hash:
33b0f4c9688cfa9d7b142fcc30bcc61e
SHA1 hash:
37befa72a5f8083e0d8f0dea1b105e01d932f5a0
Link:
https://www.unpac.me/results/2a084f44-d93f-4878-8c0a-604ce84761f7/
SH256 hash:
b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102
MD5 hash:
d1a249424c215c49e09dbdff90976108
SHA1 hash:
7e36a2fd9c96a435ec6cbc3e1be4f838a8e98da2
Link:
https://www.unpac.me/results/2a084f44-d93f-4878-8c0a-604ce84761f7/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b900561fb670/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/b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 b900561fb670c0e97d474ae9d54a8505010dd9b182823b1bca74e7242bc72102

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459972/

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