MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e
SHA3-384 hash: 2ee1b87bd37d94867b503ae4a0334fe65c25f40f2b28c394255ee9340d6cb27c9a23b10021d61c09c38c5c6118f1387b
SHA1 hash: 104e542d5d9d2814cd942ac0776d73cf06ccaf32
MD5 hash: a17da5a9e2b7ea3c0a493f7365a2b69c
humanhash: princess-hawaii-kentucky-colorado
File name:SecuriteInfo.com.W32.AIDetectNet.01.25957.23689
Download: download sample
Signature AgentTesla
Create hunting rule
File size:871'424 bytes
First seen:2022-07-20 07:46:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:2lcgb0lq6J8qzvw/Z2GSHjp9O9ilaar/+w6LrCG6oK7evrkrzv:Yczk1qz+ZkF9O9wr/+DWGaCTkrz
Threatray 18'162 similar samples on MalwareBazaar
TLSH T1AC056BE1E24054D4F92B527959779D3B116BEFBEA9A8410D646EB0326FB33832433D0B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0e39356664063349 (4 x SnakeKeylogger, 1 x AgentTesla, 1 x Formbook)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/292841/
Detection(s):
SecuriteInfo.com.W32.AIDetectNet.01.25957.23689.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62d7b3510e298a94f3e22d07/reports/51a1d6f4-e43f-45f6-b7c1-b420da2fc84e/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1037251
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Encrypted powershell cmdline option found
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
Malicious sample detected (through community Yara rule)
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: MSBuild connects to smtp port
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
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 Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669747 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 20/07/2022 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 7 SecuriteInfo.com.W32.AIDetectNet.01.25957.exe 1 7 2->7         started        11 Uwqsr.exe 3 2->11         started        13 Uwqsr.exe 2->13         started        15 2 other processes 2->15 process3 file4 40 C:\Users\user\AppData\Local\...\Uwqsr.exe, PE32 7->40 dropped 42 C:\Users\user\...\Uwqsr.exe:Zone.Identifier, ASCII 7->42 dropped 44 SecuriteInfo.com.W...et.01.25957.exe.log, ASCII 7->44 dropped 68 Encrypted powershell cmdline option found 7->68 70 Creates multiple autostart registry keys 7->70 72 Writes to foreign memory regions 7->72 80 2 other signatures 7->80 17 MSBuild.exe 2 4 7->17         started        22 powershell.exe 15 7->22         started        74 Antivirus detection for dropped file 11->74 76 Multi AV Scanner detection for dropped file 11->76 78 Machine Learning detection for dropped file 11->78 24 powershell.exe 11->24         started        26 powershell.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        signatures5 process6 dnsIp7 46 regaloracing.com 37.59.226.76, 49856, 587 OVHFR France 17->46 48 192.168.2.1 unknown unknown 17->48 50 mail.regaloracing.com 17->50 38 C:\Users\user\AppData\Local\...\hCUedX.exe, PE32 17->38 dropped 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->62 64 Tries to steal Mail credentials (via file / registry access) 17->64 66 5 other signatures 17->66 32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 26->36         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e/
Threat name:
Win32.Trojan.Seraph
Create hunting rule
Status:
Malicious
First seen:
2022-07-20 05:16:42 UTC
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsgejc7xtvdvdlphx6o6f6o765bw35wvnmvs4e2ntscckdf6o2pa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
30818b74604d5e0e7199b596c78c318558833faaf0c2f6338966586a3a64e4b6
AgentTesla
4da9257dba60a057a0e4655e2863bed977b4e53f51edbd0025a0a73f8ec2b167
AgentTesla
87df1e799cc7ed25e3d36889772b8a3a9ee28e122edbe6d2ef3615127b96ffd7
AgentTesla
89dd8f3ad026e69ed9a3a4f9b4b529e3e5f46c033b8ec3757de7e1b4f1ac261a
AgentTesla
bde56a8aae29748298cf05e0d3a944b5e92c7e4d285cd059f3c5575881a1864f
AgentTesla
e5bc010112dd7fddb25bcd34ca63a7b9784e1575c432a5faa1d37fb23c90d5db
AgentTesla
+ 18'152 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/220720-jmjh6adce2/
Behaviour
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
9b4b357c9e91bdc9eb0b23eb1019dd430da9fb3aee568aaab2178dc4eb28f6db
MD5 hash:
71ad33c47383ff38315bf2bce7ef3876
SHA1 hash:
b39f66476fc7bbb78f4df0d23121ccf0a99aec5c
Link:
https://www.unpac.me/results/df68abdd-efed-4819-8df8-c56d139d3122/
SH256 hash:
8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e
MD5 hash:
a17da5a9e2b7ea3c0a493f7365a2b69c
SHA1 hash:
104e542d5d9d2814cd942ac0776d73cf06ccaf32
Link:
https://www.unpac.me/results/df68abdd-efed-4819-8df8-c56d139d3122/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8c8c448bf79d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/8c8c448bf79d4751ade7bf9de2f9dff7436df6d56b2b2e134d9c84250cbe769e

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:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
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/292841/

Comments