MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148
SHA3-384 hash: b2105d9da9e0c3fdf5a875184588d3e6793a939ff1fc55b874f1ed1c8e8129ea93e49fcb98b37d303c111f57e71feab6
SHA1 hash: 551677c7c34a864d0ac70d56fc7a976db395f014
MD5 hash: de1219fbaef0c381fac332ec27740e11
humanhash: stream-texas-carolina-seven
File name:Halkbank_Ekstre_20231001_081046_7541712.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:656'896 bytes
First seen:2023-10-02 16:38:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:QT0ucixa+Z/PI338rpSRNAckeT4d+GVKQarriOksgwsNumB0:mciDtIHGpSzAjestVCijMy
Threatray 1'093 similar samples on MalwareBazaar
TLSH T1CFD42310716A4397E69EA7B805B5603152397D5F29B6DB2C1E4830CE89F2F82C763B73
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 abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.epic-office.eu:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Halkbank_Ekstre_20231001_081046_7541712.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-02 17:14:57 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/922a6827-848d-41d8-ad4f-33b2f88f1132

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/452706/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/651af22832ffdb7a7a1cf0ff/reports/f773f230-41bb-4b22-a2c2-19629947f7b0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148
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:
Unknown
Link:
https://analyze.intezer.com/analyses/8c1e69e1-f218-43d2-8bae-a01e70667479
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1318145
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1318145 Sample: Halkbank_Ekstre_20231001_08... Startdate: 02/10/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Sigma detected: Scheduled temp file as task from temp location 2->74 76 9 other signatures 2->76 7 Halkbank_Ekstre_20231001_081046_7541712.pdf.exe 7 2->7         started        11 hDPwlsUIKHBnnc.exe 5 2->11         started        13 plQRn125ceoo.exe 2->13         started        15 plQRn125ceoo.exe 2->15         started        process3 file4 52 C:\Users\user\AppData\...\hDPwlsUIKHBnnc.exe, PE32 7->52 dropped 54 C:\Users\user\AppData\Local\...\tmpB84C.tmp, XML 7->54 dropped 86 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->86 88 May check the online IP address of the machine 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 92 Adds a directory exclusion to Windows Defender 7->92 17 Halkbank_Ekstre_20231001_081046_7541712.pdf.exe 17 5 7->17         started        22 powershell.exe 19 7->22         started        24 schtasks.exe 1 7->24         started        94 Multi AV Scanner detection for dropped file 11->94 96 Machine Learning detection for dropped file 11->96 98 Injects a PE file into a foreign processes 11->98 26 hDPwlsUIKHBnnc.exe 11->26         started        28 schtasks.exe 11->28         started        30 plQRn125ceoo.exe 13->30         started        32 schtasks.exe 13->32         started        34 plQRn125ceoo.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 56 epic-office.eu 91.235.116.194, 49798, 49799, 49801 THCPROJECTSRO Romania 17->56 58 api4.ipify.org 64.185.227.156, 443, 49797, 49800 WEBNXUS United States 17->58 62 3 other IPs or domains 17->62 48 C:\Users\user\AppData\...\plQRn125ceoo.exe, PE32 17->48 dropped 50 C:\Users\...\plQRn125ceoo.exe:Zone.Identifier, ASCII 17->50 dropped 78 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->78 80 Tries to steal Mail credentials (via file / registry access) 17->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->82 38 conhost.exe 22->38         started        40 conhost.exe 24->40         started        64 2 other IPs or domains 26->64 42 conhost.exe 28->42         started        60 104.237.62.212, 443, 49811 WEBNXUS United States 30->60 66 2 other IPs or domains 30->66 44 conhost.exe 32->44         started        68 2 other IPs or domains 34->68 84 Tries to harvest and steal browser information (history, passwords, etc) 34->84 46 conhost.exe 36->46         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148/
Threat name:
ByteCode-MSIL.Trojan.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-02 13:58:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
23 of 37 (62.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kf2qzagabzq5fvibprvyfkjvaafmros5hc33yn5u5wmpde3ykfea._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 1'083 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware stealer
Link:
https://tria.ge/reports/231002-t5y2nscg6w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Unpacked files
SH256 hash:
d60dec072f893a5f398ba30e3a15cb61570cb724c19751afeb2c4c659b59622a
MD5 hash:
8c865d459cbe885b9611d339deb8d457
SHA1 hash:
de13418769a5c9a2cc0050abebc928dfa7b789f1
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
SH256 hash:
aae1c1a1c0e2f7b2aa0f00d367ceb5c317434424244409a8744e158aeb2361fc
MD5 hash:
5a807b68f4e1df17b9dec9c2e40d80f1
SHA1 hash:
808a2833b4096fe2e2afa1c62d2b591ed03fbadb
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
SH256 hash:
5aca189c747b12f6254ac9e0943f4b801f792494f53eb501660baba9c955d2cb
MD5 hash:
991be85f1eaf497e35eb2ab5913c458c
SHA1 hash:
79cde7dc23ed8bd1dee1a8788c1f2fd33f9a8336
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
SH256 hash:
3fd0bedc0411d2ef09bb38f50a70888b9db436aa3f1a3f6340b3957a8bf1cef3
MD5 hash:
f7e3ee72e28761ebde68a3d0e2aeea6f
SHA1 hash:
102da2e7659210602f3ccfbb7768d8478428a565
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
SH256 hash:
51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148
MD5 hash:
de1219fbaef0c381fac332ec27740e11
SHA1 hash:
551677c7c34a864d0ac70d56fc7a976db395f014
Link:
https://www.unpac.me/results/c5f829a7-393c-49c1-8fe8-e500a81a8a09/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51750c80c00e/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/51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 51750c80c00e61d2d5017c6b82a935000ac8ba5d38b7bc37b4ed98f193785148

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/452706/

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