MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0
SHA3-384 hash: bd15440f889668c4429240b7668ec4a4f5b4d6d0994aa8f74505ab23a1d5a23206728a2cc3ccc237824fc0e987679863
SHA1 hash: ede11961e894f43efdc1abd5f6a031f70e3ad36f
MD5 hash: fe91e947afd12754d225d8040d8224bc
humanhash: two-oven-winner-connecticut
File name:e-dekont.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:100'352 bytes
First seen:2023-08-18 08:36:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 3072:ddd2PpGVdgBRa54mKEzD1YfWcPULORPHTDt4LdAjm5BM/h/W1+p0Xfe5H:zd2PpGVdgfa54IzD1YfWcPULORPHTDtj
Threatray 5'584 similar samples on MalwareBazaar
TLSH T120A35B28338C471BC3A82379E14F5654C3B881B75722F74ABD9C42EC2F53BD1A65A64B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e-dekont.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 08:38:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0d5bf9a8-8480-49cc-9e7b-7e6fb9cc8edb

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/443427/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5935.381.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/496c713c-9544-4dae-9fae-d9ec7ba8e792
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1293299
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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
Sigma detected: Drops script at startup location
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293299 Sample: e-dekont.exe Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 8 other signatures 2->68 7 e-dekont.exe 15 6 2->7         started        12 wscript.exe 1 2->12         started        14 Video.UI.exe 2->14         started        process3 dnsIp4 40 web.fe.1drv.com 7->40 42 public.ch.files.1drv.com 7->42 46 2 other IPs or domains 7->46 28 C:\Users\user\AppData\Roamingbehaviorgraphjvska.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Roaming\...behaviorgraphjvska.vbs, ASCII 7->30 dropped 70 Drops VBS files to the startup folder 7->70 72 Writes to foreign memory regions 7->72 74 Injects a PE file into a foreign processes 7->74 16 MSBuild.exe 14 2 7->16         started        20 MSBuild.exe 7->20         started        22 Gjvska.exe 14 6 12->22         started        44 settings-ssl.xboxlive.com 14->44 file5 signatures6 process7 dnsIp8 32 discord.com 162.159.128.233, 443, 49729 CLOUDFLARENETUS United States 16->32 52 Tries to steal Mail credentials (via file / registry access) 16->52 54 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->54 34 192.168.2.1 unknown unknown 22->34 36 web.fe.1drv.com 22->36 38 3 other IPs or domains 22->38 56 Multi AV Scanner detection for dropped file 22->56 58 Writes to foreign memory regions 22->58 60 Injects a PE file into a foreign processes 22->60 24 MSBuild.exe 22->24         started        signatures9 process10 dnsIp11 48 162.159.136.232, 443, 49765 CLOUDFLARENETUS United States 24->48 50 discord.com 24->50 76 Tries to steal Mail credentials (via file / registry access) 24->76 78 Tries to harvest and steal browser information (history, passwords, etc) 24->78 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-08-18 06:07:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=65agmhk7ylsfdrijou54szkkzwdrbxscnpybu7clhgdw3h5ff2qa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
41cc436ff239f814a313cea6f211b9bd91e8aff835f5f3bf2ed0ccefbd324149
AgentTesla
571ae8e686b2690a1448a466ad229976f5f0f271969dc507c586174dc4c83cb8
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5f4896ab53539a862055102c4433ae9ba78220915a2358552ab7d5ec081a68d0
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6e85ae5489a02c4209e4eb062b52e6dece076e12663e7aaa2e8e497664643a8d
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a04182cb18b9bba60134d31518fef14b138c40a631bd09c098a7cdd875f7daa2
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a37c009a14513400e1703af1bd68355a4f9174898eb1af7e1e51bd9acdc0f55d
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b721ad1095cc2da03c67056a937f57372d28029bc5556d037364fd9c77bae3fb
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c04edaab3f7fd927118d248a63907eb7b7b65af0300266610af6435456ca435d
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d8ed3fb0de9b294adf3d48b7149010d51b01a9f9b262581aff015f1318999671
AgentTesla
+ 5'574 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230818-kh522ahh7x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
Unpacked files
SH256 hash:
f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0
MD5 hash:
fe91e947afd12754d225d8040d8224bc
SHA1 hash:
ede11961e894f43efdc1abd5f6a031f70e3ad36f
Link:
https://www.unpac.me/results/7acb432f-98e0-48ef-a108-b06f6cd51c3e/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f740661d5fc2/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/f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0

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: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 f740661d5fc2e451c509753bc9654acd8710de426bf01a7c4b39876d9fa52ea0

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/443427/

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