MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73
SHA3-384 hash: ae12ed63b4cd25d263eef2ca8c5a03da753f06da637e86769bff8c014d9ad279e3eb5d95dcea92b5eb70341f24a2eed8
SHA1 hash: 07b43f5db865740d215322c59827dd386905cde7
MD5 hash: 9b2f5ef32b9412d5bbf8249d61456d19
humanhash: mango-table-wisconsin-johnny
File name:SecuriteInfo.com.Trojan.MSIL.Seraph.AALF.MTB.26331.13695
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'269'760 bytes
First seen:2023-08-28 01:33:00 UTC
Last seen:2023-09-04 13:28:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:zSZtecHm+/1igt2pM512X/GOOwLVhgyGxA3MGR4Vp9:koVgt+M72X/GSVhgXxA8GR
TLSH T11A45D06176F746ABF06BD1B3A4E2C5052FB8F342B6A3E30A098097565C83F815C49B77
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.MSIL.Seraph.AALF.MTB.26331.13695
Verdict:
Malicious activity
Analysis date:
2023-08-28 01:33:45 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/505098f7-1c73-4c84-9b1e-4c76051870a0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Seraph.AALF.MTB.26331.13695.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin packed
Link:
https://www.filescan.io/uploads/64ebf950e52937d43d9fcb79/reports/06c0d0c1-56e7-4335-804d-d7d8ec6b681d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73
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/2630747e-9a2a-4f7b-ad6e-d30a395a633e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1298450
Signature
.NET source code contains potential unpacker
Creates multiple autostart registry keys
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
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1298450 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 28/08/2023 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 6 other signatures 2->51 6 SecuriteInfo.com.Trojan.MSIL.Seraph.AALF.MTB.26331.13695.exe 1 5 2->6         started        10 Fqlubji.exe 5 2->10         started        12 Fqlubji.exe 2->12         started        14 2 other processes 2->14 process3 file4 31 C:\Users\user\AppData\Roaming\Fqlubji.exe, PE32 6->31 dropped 67 Creates multiple autostart registry keys 6->67 69 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 6->69 71 Writes to foreign memory regions 6->71 16 MSBuild.exe 17 4 6->16         started        73 Multi AV Scanner detection for dropped file 10->73 75 Machine Learning detection for dropped file 10->75 77 Injects a PE file into a foreign processes 10->77 21 MSBuild.exe 3 10->21         started        23 MSBuild.exe 12->23         started        25 conhost.exe 14->25         started        27 conhost.exe 14->27         started        signatures5 process6 dnsIp7 33 webmail.marinabay.al 23.88.84.247, 25, 49719, 49721 ENZUINC-US United States 16->33 35 api4.ipify.org 173.231.16.76, 443, 49718, 49720 WEBNXUS United States 16->35 37 api.ipify.org 16->37 29 C:\Users\user\AppData\Roaming\...\qLYhCbk.exe, PE32 16->29 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->55 57 May check the online IP address of the machine 16->57 59 Creates multiple autostart registry keys 16->59 39 api.ipify.org 21->39 41 192.168.2.1 unknown unknown 23->41 43 api.ipify.org 23->43 61 Tries to steal Mail credentials (via file / registry access) 23->61 63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->65 file8 signatures9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-27 23:54:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
23 of 38 (60.53%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qv6xlup4ruqy4iynq4qtfhb7yhzuyt6iuoiq374fax5rrtuphjzq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230828-byjdjaee42/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
b35f046a848f97d65db17a7a35c7d871652334fa3656b3e2bd88fc168c16d9f7
MD5 hash:
356a19e9533e335af8c59398c0918326
SHA1 hash:
fe3e4cec9b5c53c2bf7de80124e320f04438e09d
Link:
https://www.unpac.me/results/d6525734-d1b8-43ce-b7c0-0de0e8dfabf3/
SH256 hash:
340270922ab3f2bbfb01b922381fe9ee94b7145f6b42bc0faea12ba229fddf84
MD5 hash:
9164c1585713466c9fdc00ed189cd453
SHA1 hash:
c1a2eb9dc0d8658002958220f152d3a11e53c689
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/d6525734-d1b8-43ce-b7c0-0de0e8dfabf3/
Parent samples :
857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73
8d4ff51f91c2dd8a8b146728ea221df09b5921e359a71557a6d52fa7e8612736
93abac2a435d1fd213228e7d554870b791258ec9c6016b999fe115bf761628b4
deb86b3af31c7ed4ed159d85a0768dc8fe8fc673fb339a7060ad13a4b8846c7c
64d5f2975203999e9e2411f8772d9f41c6c243bb967f61d81d9f400e2b5ba2b2
SH256 hash:
7cb66eb45b786b52ef1879324e9735682e9aef69940fed88122a84561331a00f
MD5 hash:
b681c775c02e50bc5a282e56e57ad7a1
SHA1 hash:
650c9c59ab4da7c8bca6d3df00e6714b2c80e059
Link:
https://www.unpac.me/results/d6525734-d1b8-43ce-b7c0-0de0e8dfabf3/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/d6525734-d1b8-43ce-b7c0-0de0e8dfabf3/
SH256 hash:
857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73
MD5 hash:
9b2f5ef32b9412d5bbf8249d61456d19
SHA1 hash:
07b43f5db865740d215322c59827dd386905cde7
Link:
https://www.unpac.me/results/d6525734-d1b8-43ce-b7c0-0de0e8dfabf3/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/857d75d1fc8d/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/857d75d1fc8d218e230d8721329c3fc1f34c4fc8a3910dff8505fb18ce8f3a73

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
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:reverse_http
Create hunting rule
Author:CD_R0M_
Description:Identify strings with http reversed (ptth)
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.

Comments