MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c
SHA3-384 hash: 8e316ce8e425fe90a02af20d9de2a88b3f7c20c1a22d62f006b158bad177e2f8416d3335384cbf76d3ae285125e231d3
SHA1 hash: 17e84a40e2aa69a3dd1e2a40dc98c6b67762408c
MD5 hash: 4048ae821a5b07c2304b6948716e92a3
humanhash: football-butter-nuts-bluebird
File name:Zamówienie.jpeg.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:933'888 bytes
First seen:2022-12-07 11:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ayQgKZ/nXt7virmWhlGLaQYISjmaxnthMpYmAExjQc27uP1A3Xz6i43yMrgQbfFT:zLtclsvj3XA9rLtDSY35vV
Threatray 24'200 similar samples on MalwareBazaar
TLSH T11415F82F8ED3A5D5ED3747F872559BB83CA2B3C1A8A51C4568A09033008C53EB76FE95
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)
Reporter abuse_ch
Tags:AgentTesla exe geo POL

Intelligence

File Origin
# of uploads :
1
# of downloads :
176
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Zamówienie.jpeg.exe
Verdict:
Malicious activity
Analysis date:
2022-12-07 11:54:07 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/4445d076-679e-49b6-b620-ebf4edaaf25e

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/343850/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process from a recently created file
Creating a file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63907e2704e0e79bdf4148f7/reports/a8457eb9-19b9-4f31-8bb6-32e1ce655198/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/26773e49-2c6e-4715-b516-3a6e37aeb173
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1130243
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Moves itself to temp directory
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)
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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 762967 Sample: Zam#U00f3wienie.jpeg.exe Startdate: 07/12/2022 Architecture: WINDOWS Score: 100 26 Snort IDS alert for network traffic 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 7 other signatures 2->32 6 Zam#U00f3wienie.jpeg.exe 3 2->6         started        process3 file4 18 C:\Users\...\Zam#U00f3wienie.jpeg.exe.log, ASCII 6->18 dropped 34 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->34 36 May check the online IP address of the machine 6->36 38 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->38 40 Injects a PE file into a foreign processes 6->40 10 Zam#U00f3wienie.jpeg.exe 15 3 6->10         started        14 Zam#U00f3wienie.jpeg.exe 6->14         started        16 Zam#U00f3wienie.jpeg.exe 6->16         started        signatures5 process6 dnsIp7 20 mail.woxi.cz 77.93.220.4, 49712, 587 MASTER-ASCzechRepublicwwwmasterczCZ Czech Republic 10->20 22 api.ipify.org.herokudns.com 54.91.59.199, 443, 49710 AMAZON-AESUS United States 10->22 24 api.ipify.org 10->24 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->42 44 Moves itself to temp directory 10->44 46 Tries to steal Mail credentials (via file / registry access) 10->46 48 2 other signatures 10->48 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-12-07 03:12:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ep4ni43d24jzbkfwfqotjqmljtrw5lwzj5fjzq5xih4oakfheroa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
07409207c9d9ff74fb335683ac5fc6060185619b28f318262460382c0078a1bf
AgentTesla
3767d055b8af7151cf6e469755a1fc4bb974411d4b6b0f1a322c9c6cb20e1184
AgentTesla
40f4747ea2ffa3c449e6ed8b5c360a9ecc5348417ae953ff15ad4c902a162314
AgentTesla
57723ebe18b3371ec8c844fa7a0bc1039b420d2cf56759a2ad3cd087b459989f
AgentTesla
b9b2f17e7d4822929319c5915bcd61dacdae448d66bb85c992a84c3468e8c701
AgentTesla
be06f8a3ed040aadf2598bc5a9b4c886c271ad7866505dba11b723dba968f518
AgentTesla
c2616198e8a4e0f334c4be78e38c71d6d785c25ae75edac11ffe29a2275e7997
AgentTesla
fd7534bcebad65ea78e3b3fa57825115edbc174aaa654703c51850537c50fc9b
AgentTesla
+ 24'190 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/221207-nzpyxsdg42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
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
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6235d186-6aa3-43cd-81e3-55fdad4e7332
Unpacked files
SH256 hash:
de1f7db34b7136ce894fa8e882e7259821f6928cf52f55f1639a4059df2014aa
MD5 hash:
3cc3f79a8d1e77ddcec3c68bd4223cf8
SHA1 hash:
e32d8571c30b8128e2908149f22eb9bc9d116e77
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
SH256 hash:
8ae18729bb419958f0d93c7ae612f1bbbed21eca4bb3ccb8534b4df5bf04848a
MD5 hash:
05d09659677e01c980830214c4bdeabe
SHA1 hash:
c0d42c68872337988c1273bb9fc39ca65e7c1d3d
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
SH256 hash:
d8219881794c47c3b9817ec30c9a7fd24b1657f813ae6e059769a44b2ec7c39e
MD5 hash:
2cca5cfcf33c9b3527349cb435286bea
SHA1 hash:
bd869eff074b65fd1c099f7d9104cb5c6d069a38
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
SH256 hash:
bed7309ed7007b0aa5f455f58da65c176438894250030633ff2882152c1b5693
MD5 hash:
1a20c4f9abb6dfe720fba9cbb5e1a89a
SHA1 hash:
a975e1cbb8496d66722685412591e87408881dd0
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
Parent samples :
fd7534bcebad65ea78e3b3fa57825115edbc174aaa654703c51850537c50fc9b
26a854ed617e7368263a3a4e3f6911742ee81411a05efda2bfdce22a5aba6436
f42ff1b3995ca789686b11f28cd181c4a17f5afce76bcb6b6ee4c97339f5ec75
19c3799b163256718a935d51f3be3495883d684ddad16e2666ba898c3c663064
23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c
SH256 hash:
340ba2312d5cdfc3d89f3f35f627187dcb406e5afea134bc76b04f52f4285df3
MD5 hash:
85f9290aa8900e9fd74b01ee23125706
SHA1 hash:
310eb5e4aea5471b74a6385f1da283b9d8e3d698
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
SH256 hash:
23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c
MD5 hash:
4048ae821a5b07c2304b6948716e92a3
SHA1 hash:
17e84a40e2aa69a3dd1e2a40dc98c6b67762408c
Link:
https://www.unpac.me/results/af0096f5-ec1b-46b1-9e70-fb87d3d0a7a5/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/23f8d47363d7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c

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 23f8d47363d71390a8b62c1d34c18b4ce36eaed94f4a9cc3b741f8e028a7245c

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/343850/

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