MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15
SHA3-384 hash: 998411aad73c6b2c76092fde753c3e8e0fe047c1d016651dd2a8ad700c2996c7d1720980db2092e2e7bd0009867c76f7
SHA1 hash: 828bbe271a28b9c24f9d5cf27ba21c6afd49dfa9
MD5 hash: b06ef7e15b42e269d7fc1bda398270e0
humanhash: jersey-lima-fix-dakota
File name:purchase order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:725'504 bytes
First seen:2023-09-28 09:30:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FfFQaG8yuuuue/vTANfsWQdH91z+Z/UpNIdqehpj:FfSIrt7CcF9J+ZFR
Threatray 5'727 similar samples on MalwareBazaar
TLSH T189F44A4526D81719F47EABF1C3B40348D7FAF96BC736E55EBC8501DA0A71E00DA92B22
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 lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
276
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
purchase order.exe
Verdict:
Malicious activity
Analysis date:
2023-09-28 09:35:33 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/687e84ea-d7db-4e09-8d59-a9db70771d4f

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/451744/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.61454.29499.23090.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/651547d9f1b40cb0d623ba5c/reports/6a9bd07d-e288-43d4-b14c-1b2e3a547d4b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee0dd7f3-2f6d-4b8e-bb8a-fba9655dda3e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1315738
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
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
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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: 1315738 Sample: purchase_order.exe Startdate: 28/09/2023 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Multi AV Scanner detection for dropped file 2->70 72 Sigma detected: Scheduled temp file as task from temp location 2->72 74 14 other signatures 2->74 7 purchase_order.exe 6 2->7         started        11 cyDdjVFvhRGLK.exe 5 2->11         started        13 My App.exe 2->13         started        15 My App.exe 2->15         started        process3 file4 50 C:\Users\user\AppData\...\cyDdjVFvhRGLK.exe, PE32 7->50 dropped 52 C:\Users\user\AppData\Local\...\tmpBA98.tmp, XML 7->52 dropped 84 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->84 86 May check the online IP address of the machine 7->86 88 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->88 90 Uses schtasks.exe or at.exe to add and modify task schedules 7->90 17 purchase_order.exe 17 5 7->17         started        22 schtasks.exe 1 7->22         started        92 Multi AV Scanner detection for dropped file 11->92 94 Machine Learning detection for dropped file 11->94 96 Injects a PE file into a foreign processes 11->96 24 cyDdjVFvhRGLK.exe 14 3 11->24         started        26 schtasks.exe 1 11->26         started        28 My App.exe 13->28         started        30 schtasks.exe 13->30         started        32 My App.exe 13->32         started        34 My App.exe 15->34         started        36 schtasks.exe 15->36         started        signatures5 process6 dnsIp7 54 wecaresvc.com 103.138.106.17, 49775, 49777, 49779 ABOVE-AS-APAboveNetCommunicationsTaiwanTW Taiwan; Republic of China (ROC) 17->54 56 mail.wecaresvc.com 17->56 60 2 other IPs or domains 17->60 46 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 17->46 dropped 48 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 17->48 dropped 76 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->76 78 Tries to steal Mail credentials (via file / registry access) 17->78 80 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->80 38 conhost.exe 22->38         started        58 mail.wecaresvc.com 24->58 62 2 other IPs or domains 24->62 40 conhost.exe 26->40         started        64 2 other IPs or domains 28->64 82 Tries to harvest and steal browser information (history, passwords, etc) 28->82 42 conhost.exe 30->42         started        66 2 other IPs or domains 34->66 44 conhost.exe 36->44         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-28 03:52:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
19 of 35 (54.29%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6z46jv7jgcozdpng5zxwdv4sy6cmpyzwogchoxa37xcqcd3npikq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e2e617f3004eeafa8a3983e929e1d5764f861499a6a9fde0267d633adcd1942
AgentTesla
3aa409bc939bc8f42a7cd90af7fbd01c3e3c0b943a2988224b439df18ec3d3b5
AgentTesla
6d1a4d7efb7a1e955a3206b26af22bf5e85d600db7d8541598e0c40d60747b6d
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8f33a276306fd0b9596bd5c6675551928b661dfd970db9d96a105ce144717b71
AgentTesla
a19f1949995aa24c6afd60e3c19b54dd3823322385fe2e80734c09dabdec0131
AgentTesla
a7c1c1bb1cb6996be53907169a49b1b6d7c34a6dbb99c47538ce781e844d00a9
AgentTesla
aeef82ecb7e1183ff5793faa03828ad270f1371adf8c8b9569b7b4fc6db4dc0e
AgentTesla
b110273433c1a17c21badd8b03f2c45c3f4d5ce56d73fd9b731cb1540f7fc680
AgentTesla
e75bb7380b7386458dfd803bfeab63228ff0e3d27121db683675458f2affbe10
AgentTesla
+ 5'717 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230928-lg2tnaab6v/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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:
b32daba92be8c7e76e28559a0638be5dc32ef3082f958f8e97a0fc5dd9344d03
MD5 hash:
aff0e8d53608832070482996025dbdf2
SHA1 hash:
ec1c898eed5ab8551763c2644478665815176ae8
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/c9a63ec2-a262-4d8f-bdeb-7254e5cb652d/
Parent samples :
8f33a276306fd0b9596bd5c6675551928b661dfd970db9d96a105ce144717b71
6d1a4d7efb7a1e955a3206b26af22bf5e85d600db7d8541598e0c40d60747b6d
e75bb7380b7386458dfd803bfeab63228ff0e3d27121db683675458f2affbe10
b110273433c1a17c21badd8b03f2c45c3f4d5ce56d73fd9b731cb1540f7fc680
3aa409bc939bc8f42a7cd90af7fbd01c3e3c0b943a2988224b439df18ec3d3b5
f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15
003569fddd9c4c72cfd68b3188ffc2700138a90212a85aedbf040e1f68f9acdd
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/c9a63ec2-a262-4d8f-bdeb-7254e5cb652d/
SH256 hash:
6d9afbf396889c18db346b3c808e8a0a0a7f107b6d749a711eb27006c39a5be7
MD5 hash:
11f6720abd8ec97ed9cbddcaf63d5739
SHA1 hash:
5b1ba633cc59e917204506d01beb7197efae611b
Link:
https://www.unpac.me/results/c9a63ec2-a262-4d8f-bdeb-7254e5cb652d/
SH256 hash:
f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15
MD5 hash:
b06ef7e15b42e269d7fc1bda398270e0
SHA1 hash:
828bbe271a28b9c24f9d5cf27ba21c6afd49dfa9
Link:
https://www.unpac.me/results/c9a63ec2-a262-4d8f-bdeb-7254e5cb652d/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f679e4d7e930/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/f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15

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 f679e4d7e9309d91bda6ee6f61d792c784c7e3367184775c1bfdc5010f6d7a15

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/451744/

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