MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b
SHA3-384 hash: c6d43dfc09f1efbc026efb170ea53fedc5acdb014d79d113586a84bd0c3289c1ba8ac109079708fb8caf2373fde535f5
SHA1 hash: e8f3b049299f1d0582c3f7bc78d2ffe11fd93db2
MD5 hash: 8ad27c4a8843192b7f397c3a0634418e
humanhash: johnny-timing-delta-helium
File name:dekont_202356535665436444,PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:628'736 bytes
First seen:2023-09-21 06:11:11 UTC
Last seen:2023-09-21 06:58:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:YynJaWeOiZ4sfU1+54CtYhw84/M6E524jqMS053CIB:dGusfU1e84kK4jqMSu1
Threatray 5'683 similar samples on MalwareBazaar
TLSH T134D412103B648F53E09E4BBD2860245223F2A79BFD62E758ADCAF1F51946F51C601B8F
TrID 61.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.1% (.SCR) Windows screen saver (13097/50/3)
8.9% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 886443434b83cbe2 (17 x AgentTesla, 7 x Formbook, 4 x SnakeKeylogger)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
268
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
dekont_202356535665436444,PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-09-21 06:16:31 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/9e85c144-46c5-4afe-b180-e6426ca9fc5f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/450249/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2378.18760.13875.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/650bdeb233582f234efe1235/reports/d2076671-006f-4ba4-8f23-44b1805d3385/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5cc30b81-02e0-44f7-97be-162e94991172
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1312037
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1312037 Sample: dekont_202356535665436444,PDF.exe Startdate: 21/09/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Found malware configuration 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 8 other signatures 2->49 7 dekont_202356535665436444,PDF.exe 7 2->7         started        11 ZCXucByv.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\ZCXucByv.exe, PE32 7->33 dropped 35 C:\Users\user\AppData\Local\...\tmp3F64.tmp, XML 7->35 dropped 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 dekont_202356535665436444,PDF.exe 2 7->13         started        17 powershell.exe 18 7->17         started        19 schtasks.exe 1 7->19         started        25 2 other processes 7->25 57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 61 Injects a PE file into a foreign processes 11->61 21 ZCXucByv.exe 11->21         started        23 schtasks.exe 1 11->23         started        signatures5 process6 dnsIp7 37 proselilac.com 185.179.24.77, 49715, 49716, 587 AYSIMATR Turkey 13->37 39 mail.proselilac.com 13->39 63 Installs a global keyboard hook 13->63 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        41 mail.proselilac.com 21->41 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->65 67 Tries to steal Mail credentials (via file / registry access) 21->67 69 Tries to harvest and steal browser information (history, passwords, etc) 21->69 31 conhost.exe 23->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-09-20 04:49:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2yuckxkmhylyqvsnbdfvo6solnrg7e2ohpirueqmuu2z6i3gmf5q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1b91aa318e9c011abed18662e8c577ddcb12499de26e2fd19bfb4a4ea81f7450
AgentTesla
56e7b2e2165d002ad697d45161f14c37de5b6fa70331e61b8a8e95467ed98a1a
AgentTesla
80e79e78a00245dbe120085f7d1e4e30e6674bcb9f539540e4de667c5783e545
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b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61
AgentTesla
cbabe9d8d2218ede4d631e216f8e0fbe7efab01ad9f52dc2652df994f7950922
AgentTesla
d62ab80a981120bc862738658cae6128082845908836dd11bbdd8c9e7995b17a
AgentTesla
ed3982e7290f9d8480fdc01e4828f4fe317c9a875180fe72903aa28906479e4a
AgentTesla
+ 5'673 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/230921-gx6ekafg67/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Checks computer location settings
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:
4c00f6d566b9f3d3f8407d44e477db87926c08fa089a351b165547de5a07d9d9
MD5 hash:
4fb1a7084bad3b1016533fee03610952
SHA1 hash:
d099e51ce5d9790bdc706a6f703294ad595cacb8
Link:
https://www.unpac.me/results/37333847-2a07-4aea-a85f-518d15d5ac1a/
SH256 hash:
9967c47b43cd116adff24b8f9afae5f185753d9dfe24117282962f119d36003d
MD5 hash:
480235c8ae44daaecd1a8adcc63ca372
SHA1 hash:
b8de4cb0b6eb2ff12517834b8c8b223946a5aaeb
Link:
https://www.unpac.me/results/37333847-2a07-4aea-a85f-518d15d5ac1a/
SH256 hash:
6a62e7f5f26597c5b6ff129db72b3b2c9fa24360d97cdc662f6998c8f29cdb9e
MD5 hash:
21ed39d62cebb072660bda159a9848e5
SHA1 hash:
3af0d91725c2e002e06fc8906ab7538d71401854
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/37333847-2a07-4aea-a85f-518d15d5ac1a/
Parent samples :
ed3982e7290f9d8480fdc01e4828f4fe317c9a875180fe72903aa28906479e4a
d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/37333847-2a07-4aea-a85f-518d15d5ac1a/
SH256 hash:
d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b
MD5 hash:
8ad27c4a8843192b7f397c3a0634418e
SHA1 hash:
e8f3b049299f1d0582c3f7bc78d2ffe11fd93db2
Link:
https://www.unpac.me/results/37333847-2a07-4aea-a85f-518d15d5ac1a/
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/d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b

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 d628255d4c3e1788564d08cb577a4e5b626f934e3bd11a120ca5359f2366617b

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/450249/

Comments