MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7
SHA3-384 hash: a618b50043654606b9749ed3722bbf629343f2c886608dd1465db118b3213fb4cb7bf7294a7dae798c8e47193aa69c9c
SHA1 hash: 412f57409e4fa13b22fb5f9940bbd3b1812fe02c
MD5 hash: e23c6396d9b7461e6e6e9f0d0c4a136d
humanhash: juliet-single-orange-uniform
File name:160-59153555.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:628'224 bytes
First seen:2023-09-11 20:06:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:j2iNZ1Du2o8/fdO1sTNPn0PtjXKvrZhx2wbsbaz4qhw9bCkGcL0:j1pDuP8/fdVTx8tjXKvZ2h24qar
Threatray 5'555 similar samples on MalwareBazaar
TLSH T12CD4238BF78A853CD54447FA9C125F10BB7EABDA2734ED4E4F99281C8C66BC6C520721
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
321
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
160-59153555.exe
Verdict:
Malicious activity
Analysis date:
2023-09-11 20:08:41 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/ee5d1294-6473-43b4-88cc-0d1e17be713b

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/448016/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.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
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/64ff73671a86bbaa1f81f789/reports/e6a52bc4-3585-45e7-8bc7-8b37e858a5b0/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7
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/97e3421d-ed93-433b-88a8-01a9fc074cbc
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1307552
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1307552 Sample: 160-59153555.exe Startdate: 11/09/2023 Architecture: WINDOWS Score: 100 49 tse1.mm.bing.net 2->49 63 Found malware configuration 2->63 65 Antivirus detection for URL or domain 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 9 other signatures 2->69 8 160-59153555.exe 7 2->8         started        12 YYjOUX.exe 5 2->12         started        14 My App.exe 2->14         started        16 My App.exe 2->16         started        signatures3 process4 file5 45 C:\Users\user\AppData\Roaming\YYjOUX.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmpB78A.tmp, XML 8->47 dropped 83 Uses schtasks.exe or at.exe to add and modify task schedules 8->83 85 Adds a directory exclusion to Windows Defender 8->85 18 MSBuild.exe 17 4 8->18         started        23 MSBuild.exe 8->23         started        25 powershell.exe 21 8->25         started        27 schtasks.exe 1 8->27         started        87 Multi AV Scanner detection for dropped file 12->87 89 Machine Learning detection for dropped file 12->89 91 Writes to foreign memory regions 12->91 93 2 other signatures 12->93 29 MSBuild.exe 12->29         started        31 schtasks.exe 1 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 51 amtechprinting.com 64.188.2.244, 49707, 49709, 587 ASN-QUADRANET-GLOBALUS United States 18->51 53 mail.amtechprinting.com 18->53 61 3 other IPs or domains 18->61 43 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->43 dropped 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 23->73 75 May check the online IP address of the machine 23->75 37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        55 mail.amtechprinting.com 29->55 57 173.231.16.77, 443, 49708 WEBNXUS United States 29->57 59 api.ipify.org 29->59 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 29->77 79 Tries to steal Mail credentials (via file / registry access) 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 41 conhost.exe 31->41         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-09-11 07:13:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 23 (78.26%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e42qz63bscp6od4x7gsvrniv7ieyev5dr2wt7rxgxcmxh7liahdq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0a12b16244b51a948f26fb8440822161106b0d84464eeba899ffcc68c55d57a7
AgentTesla
1706f846eef66c0ced9bda22b412a48c9f7aa026d13c7173d2687fd8629f6a27
AgentTesla
580e9a403ba5923d9efd54ef7f708e0adea2615936cfad7caa1ef38524d50559
AgentTesla
a350436c4c1b84c822cc9e34b556e10ff3b187f33b38448b3391f8d31623d2cb
AgentTesla
bd465091f7787e8290e82c61bda21133c67c391061cfe225b48e1e0030490a3b
AgentTesla
e2b5d276a5778dcf5b0e456c751804a30d063feb2da1467ff01fa736179767ba
AgentTesla
+ 5'545 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/230911-yvzbxabc48/
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
AgentTesla
Unpacked files
SH256 hash:
b4270adad4097560673024b1ec18bee8398a7f9b8baa39a6f8045afd927068de
MD5 hash:
7df217ad205cfed0373df63d3ccaa4fc
SHA1 hash:
f0153cac293267d19ac69700b618d89b288dc378
Link:
https://www.unpac.me/results/9d928db0-6d6c-4785-a4d3-bc6f37fbbeb2/
SH256 hash:
6aa715a5ab63ab573934ae972a9b5175a126eaea4fead5ce3d14d3d3648ae5c4
MD5 hash:
63f724ebf8ec959870d640210bf9dc40
SHA1 hash:
71716d5820754b0c504d81847d68aaa1a568dabf
Link:
https://www.unpac.me/results/9d928db0-6d6c-4785-a4d3-bc6f37fbbeb2/
SH256 hash:
6259dec12d11d428b938780abc2a5f14459cb15ea199c26b1b1802cc2d97ec7a
MD5 hash:
37ca2488537183a319bc235b51a2e04f
SHA1 hash:
31e79c677dbfcc536d55b31648e46d8769106544
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/9d928db0-6d6c-4785-a4d3-bc6f37fbbeb2/
Parent samples :
e2b5d276a5778dcf5b0e456c751804a30d063feb2da1467ff01fa736179767ba
a350436c4c1b84c822cc9e34b556e10ff3b187f33b38448b3391f8d31623d2cb
0a12b16244b51a948f26fb8440822161106b0d84464eeba899ffcc68c55d57a7
bd465091f7787e8290e82c61bda21133c67c391061cfe225b48e1e0030490a3b
27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7
421a2cdb38bab8dbe89a27d19656ac41518049efc0018e1dfe7580b93db7102d
45cf135407fcc3831ca0d4ccd565fdbcafaf52acf1da81aa7ab739ea5f4e4ccc
SH256 hash:
0630b864e828fff2d66f33ab7d00fad231df4c00fc0bbad313ee0d12ca503198
MD5 hash:
f559a9abbd849eb977d262d597d6e4fd
SHA1 hash:
0a8769b40b026852690c89b913c2812817ef43c8
Link:
https://www.unpac.me/results/9d928db0-6d6c-4785-a4d3-bc6f37fbbeb2/
SH256 hash:
27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7
MD5 hash:
e23c6396d9b7461e6e6e9f0d0c4a136d
SHA1 hash:
412f57409e4fa13b22fb5f9940bbd3b1812fe02c
Link:
https://www.unpac.me/results/9d928db0-6d6c-4785-a4d3-bc6f37fbbeb2/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27350cfb6190/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/27350cfb61909fe70f97f9a558b515fa098257a38ead3fc6e6b89973fd6801c7

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: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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/448016/

Comments