MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d
SHA3-384 hash: 68572dd30d0b15b8272cfd8e7d27435e294dffa0e851dcbfefbb5cde39fa57053654aaeb36102ebccfd94d71726bfce8
SHA1 hash: e3220f7e8c05c00c4a94b81f574a4f5007ab18f4
MD5 hash: 9c73306b72bc27bd9b6af26d013927dc
humanhash: friend-edward-crazy-nuts
File name:ESP15903YI0.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:815'104 bytes
First seen:2023-03-24 09:20:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:A+Ceb6vGeFqhzUqBya9+Bc1CcVkw7bp7kJinrQ:A+CeFeFqqvT0CcVF7N7sinrQ
Threatray 1'611 similar samples on MalwareBazaar
TLSH T10E0522103BAD0971D7BE237E44E6E0CD53B639135B90DA222C9595DDC9EEA109B223B3
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)
File icon (PE):PE icon
dhash icon 0010b0b268b49600 (12 x AgentTesla, 5 x SnakeKeylogger, 2 x Formbook)
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla C2:
http://95.214.27.98/a/inc/26f6df0c2b77bc.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
266
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
ESP15903YI0.exe
Verdict:
Malicious activity
Analysis date:
2023-03-24 09:21:31 UTC
Tags:
rat agenttesla opendir
Link:
https://app.any.run/tasks/38fe6ec3-74ed-4aa2-b0f2-39ef026b3f67

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/377058/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/641d6b7f1770808abe9b3b04/reports/b5c775f9-264b-41b3-a9c5-17ef152b7648/overview
Verdict:
Malicious
Labled as:
Trojan.Olock.Generic
Link:
https://www.hybrid-analysis.com/sample/b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d
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/8b615dad-0b66-4dd8-a86a-10ff3783c101
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1201099
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 834004 Sample: ESP15903YI0.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 3 other signatures 2->51 7 ESP15903YI0.exe 7 2->7         started        11 hzibjWIvYKAXQz.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\...\hzibjWIvYKAXQz.exe, PE32 7->35 dropped 37 C:\...\hzibjWIvYKAXQz.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp7091.tmp, XML 7->39 dropped 41 C:\Users\user\AppData\...SP15903YI0.exe.log, CSV 7->41 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 ESP15903YI0.exe 15 2 7->13         started        17 powershell.exe 21 7->17         started        19 powershell.exe 18 7->19         started        25 2 other processes 7->25 61 Multi AV Scanner detection for dropped file 11->61 63 Machine Learning detection for dropped file 11->63 21 hzibjWIvYKAXQz.exe 11->21         started        23 schtasks.exe 11->23         started        signatures5 process6 dnsIp7 43 95.214.27.98, 49690, 49691, 80 CMCSUS Germany 13->43 65 Installs a global keyboard hook 13->65 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        67 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->67 69 Tries to steal Mail credentials (via file / registry access) 21->69 71 Tries to harvest and steal browser information (history, passwords, etc) 21->71 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d/
Threat name:
Win32.Trojan.Olock
Create hunting rule
Status:
Malicious
First seen:
2023-03-24 09:15:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5vtqkhy53nvdfucpbcus6pcyfgzoobhn5u4ikvhmah2yfeki4oq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
061d8e57736f2433d9708948eadb516756f8991683bd6c3a7824fc564decf2e5
AgentTesla
06bb6b0d9391858906390cbd9c5e90fcdae91b350e073ddc876d8aea4b9e3f46
AgentTesla
0892c1361c3771d9a3289589e8b0a9709e892970176943d649e87179044cb53f
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1ee6f378c6c5c69819c17ca913e0006a033281dc78a57cb7f171d2bbf254fcc1
AgentTesla
624df8862786c9971cd2fd2f499e5e186ba0fd7f0b15f270933806e5c2e7193f
AgentTesla
94ef52c48230c64c143c42109622d0423e742428609718d4a2405fcb000a7ed1
AgentTesla
d6c81069f8763d1bb3ee317188270f97b60271b52ab35bd92080dde6913ad2e2
AgentTesla
e88c590be7923ade93a69f335ec96a5aba8a189cd4f4002f31e70d315a842bfa
AgentTesla
+ 1'601 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/230324-lbbehsdd23/
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:
e9f900a281f68c3b596e5f5f35af28cdfc6cab7f23133c33170b200a326c7b9f
MD5 hash:
a2a79ca274f7eaebf9a55ebdb36b3135
SHA1 hash:
f64f7ffa4ed25c4229776c62cc993c20f7bdb8aa
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
SH256 hash:
f164733fa1bff6b5374d58280e1b25ad6bdcb91715a9432e26bd02319519f830
MD5 hash:
11038be28bd92a0ccd6a696931c261c3
SHA1 hash:
cd3b093e04d461b07a85162f83441957e5f42ed1
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
SH256 hash:
75237faa8d0b6bd431c52f0fe875dcff713246f86fca9fd77ed4b587934e2285
MD5 hash:
8694021eef83c42623b2f44f8143f2de
SHA1 hash:
caea3582033a82be86d9f4f2d43ee02a90f7897f
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
Parent samples :
495607b1aef01bf7dfb64b5cb16a8fc0f161c2923627d71c69de97328f8eca3f
2434aa78b46a3afc98fa6e888c3eb56278ba52b0ff800e7e875af9c2e7f9011a
SH256 hash:
cde0d3400cd787fce5d1b95fa52908d64831430cc90dafddbaa79ae0d03bb3d0
MD5 hash:
06a5bc1d3143bcac174d81c5ffc09def
SHA1 hash:
650fb4549fb98ee4c7be5e03bf670241e6339cd0
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
SH256 hash:
b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d
MD5 hash:
9c73306b72bc27bd9b6af26d013927dc
SHA1 hash:
e3220f7e8c05c00c4a94b81f574a4f5007ab18f4
Link:
https://www.unpac.me/results/0295be92-9739-4827-8ac6-5bb8df11bee2/
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/b76b3828f8eedb51968278454979e2c14d9738276f69c42aa7600fac148a471d

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: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.

Cape
Cape
https://www.capesandbox.com/analysis/377058/

Comments