MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd
SHA3-384 hash: 24e8c72d4557669d218a243de92517a356f66cb4d4cad7b44713d648a6ce399ffcccbbe6e7bd4602d2f38dc4ef4449ab
SHA1 hash: f62bc33abb643db512af512b31af6a0d62344eb5
MD5 hash: e9292950764c094cfc8f04f748fbe3f5
humanhash: fillet-lake-illinois-seventeen
File name:SHIPPING DOCS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'033'728 bytes
First seen:2023-05-09 16:15:06 UTC
Last seen:2023-05-10 06:18:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:+Oj0vvG8e8zwozmPbiauzUcTurAISdk+xOSIC8aLR53AqEQBc1K:LAXGn8sBbiaoUcKrAnd2PaLk4c8
Threatray 2'653 similar samples on MalwareBazaar
TLSH T17E25E63D18FC362381B5EAB2DB94E561FBC0859276358DEF1AD6448626EF50232CBC1D
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
249
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SHIPPING DOCS.exe
Verdict:
Malicious activity
Analysis date:
2023-05-09 16:16:58 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/39974a12-4e69-4c64-9635-0639e0765c3b

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/387893/
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.FQW.gen.Eldorado.8111.26278.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo packed
Link:
https://www.filescan.io/uploads/645a71c304ed4d36f5040946/reports/3422f041-db7b-441c-b9df-28498ab5c373/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd
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/ff92b6a1-e6de-4695-9748-9f760aff8a8e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1229398
Signature
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
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Snort IDS alert for network traffic
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-09 15:00:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wub4ktur2ofldtkdhvm5duaurjo2ityayo3azllfi3ujzbn3o7oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
251ca0215e976403d529fba60bd67ca614a3e6b18a7f2420c64acbf31400ed7c
AgentTesla
4629b5912131c5a9c21c3ff2130f9f021398c15ebb66857ee543a55a076f5c07
AgentTesla
6f661b49b6b38585c93365e01f17a50c585ac3ce7400f582c5c4541658cfe4f6
AgentTesla
8c6ed559ac77e84d3018abdf22f04b021c115b9dc6fc5380aaa2fde8b594fbd2
AgentTesla
8e30c72622b6ef1dedee5b6e5b0d0a57272fd3d5caad2f50bd841e94bcdbf171
AgentTesla
e5c00a2b8387035571e3fda34adc2dada643b6bcef043ccfa2d2027a2030e728
AgentTesla
e94f95707bc1ee3c1516cce43846a594acf5a1024ae7a76cb34afe5639fe95b5
AgentTesla
fa838dff56df25103842ba40c7e130f7fce0541a5318c935db67f472cbb35669
AgentTesla
+ 2'643 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230509-tqslcacg48/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot5515611206:AAEcQSX8hXHOAxSYr8KUdLxGF5eqw4FRXoA/
Unpacked files
SH256 hash:
7c34dc3d407a59a249c5b41d4fc61edd17a1d6abe0cf330bbf5c598d28df6b25
MD5 hash:
392dec8e102ca944cb26af115415a164
SHA1 hash:
bf1ba3ebdccc9ebf0a5ed191bdbce0750b4db719
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/49e40ffa-e3ee-4e44-b9c8-8600f9993e7b/
Parent samples :
8c6ed559ac77e84d3018abdf22f04b021c115b9dc6fc5380aaa2fde8b594fbd2
4629b5912131c5a9c21c3ff2130f9f021398c15ebb66857ee543a55a076f5c07
fa838dff56df25103842ba40c7e130f7fce0541a5318c935db67f472cbb35669
b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd
f854947414eb240ac6807004331d3026156e195084486eed7060ae0c1bc05e98
SH256 hash:
a7e471f7bc560488312d57e885bb4cfc423587a0d84abbb3073a820f7cd0e209
MD5 hash:
e7709a907be0cdb6ff7eb99daee97c6c
SHA1 hash:
bb3f6871c40f54070b53947bf6958d410ea8bac1
Link:
https://www.unpac.me/results/49e40ffa-e3ee-4e44-b9c8-8600f9993e7b/
SH256 hash:
d1c311d2c4c49b0bd582683a2ad45985f0c9bb794fa6be76f428509bd882a638
MD5 hash:
8eec19de92bac880992a70e9bef59c6d
SHA1 hash:
5ee63e21b0734bffb1b29274ee9fa149b68b302c
Link:
https://www.unpac.me/results/49e40ffa-e3ee-4e44-b9c8-8600f9993e7b/
SH256 hash:
b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd
MD5 hash:
e9292950764c094cfc8f04f748fbe3f5
SHA1 hash:
f62bc33abb643db512af512b31af6a0d62344eb5
Link:
https://www.unpac.me/results/49e40ffa-e3ee-4e44-b9c8-8600f9993e7b/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b503c54e91d3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd

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

zip bb8f4f644465fb56bb58762124b7967dc0c940899e69b4d9a059ddd34fd3efa0

AgentTesla

Executable exe b503c54e91d38ab1cd433d59d1d0148a5da44f00c3b60cad6546e89c85bb77dd

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/387893/
  
Dropped by
SHA256 bb8f4f644465fb56bb58762124b7967dc0c940899e69b4d9a059ddd34fd3efa0
  
Dropped by
MD5 ddbbaedbdb3beaf0f699a7457496a049

Comments