MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e
SHA3-384 hash: e9ea36cd815f1c1da2ffc6418301f8e7d7d3832465f847e18bf09f79cd50b773c56887c04194a5340829d2294d53c323
SHA1 hash: 648c8acb981a2b3dae2bd535221586ff702f9397
MD5 hash: 46e19dc067159272d3c34e9206c0c4fa
humanhash: four-magazine-carolina-angel
File name:PRE ALERT NOTICE.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:16'384 bytes
First seen:2023-10-11 13:19:56 UTC
Last seen:2023-10-23 09:42:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 384:WznLTUyx2ozsynskMeFjEKzNbO+72k+qY/sgKwP6hm:3e2qsoMfyO+kpRJ
Threatray 348 similar samples on MalwareBazaar
TLSH T13D720A04F66E592BCEFC4A3814A353579378E633BC83E3DE9ED4A5D666033C529012E6
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 :
6
# of downloads :
306
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
PRE ALERT NOTICE.exe
Verdict:
Malicious activity
Analysis date:
2023-10-11 13:21:19 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/09e2e0b4-0fb1-4da6-ac58-9d6b87d12534

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/453255/
Detection(s):
Sanesecurity.Rogue.0hr.20231011-1335.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6526a104e509ddb6cd22cd0d/reports/84059c6f-4d83-4721-93c9-fec31ad28a28/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e
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/407116b7-5d9c-48e4-b439-9f0ae5e635e1
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1323738
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates multiple autostart registry keys
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
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
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 harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1323738 Sample: PRE_ALERT_NOTICE.exe Startdate: 11/10/2023 Architecture: WINDOWS Score: 100 39 mail.amtechcards.com 2->39 41 amtechcards.com 2->41 43 3 other IPs or domains 2->43 51 Snort IDS alert for network traffic 2->51 53 Found malware configuration 2->53 55 Antivirus detection for dropped file 2->55 57 12 other signatures 2->57 7 PRE_ALERT_NOTICE.exe 16 5 2->7         started        12 Duwyptuco.exe 14 5 2->12         started        14 Duwyptuco.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 49 qu.ax 92.118.112.4, 443, 49746, 49749 GUDAEV-ASRU Russian Federation 7->49 37 C:\Users\user\AppData\Roaming\Duwyptuco.exe, PE32 7->37 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Creates multiple autostart registry keys 7->71 73 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->73 18 PRE_ALERT_NOTICE.exe 1 5 7->18         started        23 PRE_ALERT_NOTICE.exe 7->23         started        75 Antivirus detection for dropped file 12->75 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 25 Duwyptuco.exe 12->25         started        81 Injects a PE file into a foreign processes 14->81 27 Duwyptuco.exe 14->27         started        29 My App.exe 16->29         started        31 My App.exe 16->31         started        file6 signatures7 process8 dnsIp9 45 amtechcards.com 64.188.2.244, 49748, 49754, 49755 ASN-QUADRANET-GLOBALUS United States 18->45 47 api4.ipify.org 64.185.227.156, 443, 49747, 49752 WEBNXUS United States 18->47 33 C:\Users\user\AppData\Roaming\...\My App.exe, PE32 18->33 dropped 35 C:\Users\user\...\My App.exe:Zone.Identifier, ASCII 18->35 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Tries to steal Mail credentials (via file / registry access) 18->61 63 Creates multiple autostart registry keys 18->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 29->67 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-10-11 10:32:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vynjcmoj67j3l4tbyt4v3q2ia5wbyc7ep7gbsffefdshk5x3bopa._file
Verdict:
malicious
Similar samples:
21708c6374a6eb8422c9eae984bd00a8b8f436a27ef5e1946aab706fa38f30e1
AgentTesla
3ec765c9bb4306f79f0a66c06fbed0327a19c71ad4e2088ba920b09269966c72
AgentTesla
48ef496367a300605f93d8d5f650a7a9a9e333c6acae2770efd78181bdd293aa
AgentTesla
4a699a693c63228aebd3e0bc98d92fe2d8bb7ae487992e81cfee767f0b9ed1bf
AgentTesla
65c423ef88f86b07c5429ab4ebc8c89b7d6c39a032e8b7465f7b84bac91d3da9
AgentTesla
7590cb175c30e90638d9d0f168add1c0cb66d769917ebc3052a9235618a5582b
AgentTesla
89bc9fdb7d1d93a49c7cf3ccfff8ec5c174a44dd580e63e3cb47de448e9daefc
AgentTesla
be97e1d540ea8ba81adbd8873a4ef6123f6d5d3ff51fa010e432ae7e4cad8e99
AgentTesla
c19e44f612b1b11dacfbed23b9de1b2af9035fe080438615d8f38f2ed079e93c
AgentTesla
e2f7fb5aad34116772b8667f4b40002ad59a5f81516b66c1ce9c5874f089ce6d
AgentTesla
+ 338 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/231011-qk3ycahe7w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
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:
ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e
MD5 hash:
46e19dc067159272d3c34e9206c0c4fa
SHA1 hash:
648c8acb981a2b3dae2bd535221586ff702f9397
Link:
https://www.unpac.me/results/fa8bdb5b-0161-48cd-b7d0-a015ec33406c/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ae1a9131c9f7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.75
Link:
https://yomi.yoroi.company/submissions/ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e

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

zip 54db17ade0a2cbc7da9c766c46a96e9a1277870871ee30242df236b02338bd18

AgentTesla

Executable exe ae1a9131c9f7d3b5f261c4f95dc348076c1c0be47fcc1914a428e47576fb0b9e

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/453255/
  
Dropped by
SHA256 54db17ade0a2cbc7da9c766c46a96e9a1277870871ee30242df236b02338bd18
  
Dropped by
MD5 4436f6ac8d34472eaec8927708803284

Comments