MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 666c6f2f3993946d4236f3ce33d105e144631e704077b676dd592c19024f57ae. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 666c6f2f3993946d4236f3ce33d105e144631e704077b676dd592c19024f57ae
SHA3-384 hash: 0a976018cfe21ec39783f8f49424389dc0a135a4e78de6401d088e37fd0ecae4359707154f726285625859ff6b316c61
SHA1 hash: 9a34b0d02b41e0ab92a7ab7f038d3edaf79022a0
MD5 hash: fea5486bd37725bb4e8ca67caac79d39
humanhash: bluebird-freddie-sad-angel
File name:SecuriteInfo.com.W32.AIDetectNet.01.31069.12377
Download: download sample
Signature AgentTesla
Create hunting rule
File size:587'776 bytes
First seen:2022-06-29 02:39:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:bNEyvQRUV+QhUCTfw2xrljwV4hYp9PnV9fbCh0s7hlR:pEyoq+QhUGo2xRMVxJvT27hl
Threatray 18'508 similar samples on MalwareBazaar
TLSH T1A2C4235163E2287EC47652336B3D039A5ACB2E274454FAF1F484209B0F98BA191BF7F1
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 000012e4e40a0000 (5 x AgentTesla, 2 x QuasarRAT, 1 x zgRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
275
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284084/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Sending an HTTP POST request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Changing the hosts file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62bbbb98a80f69eaf3497fce/reports/2ed6bc44-251b-49b1-908a-ba9adb39dda2/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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5185f9c1-17d9-4129-88fa-c5fcd0e95438
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1021578
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
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)
Snort IDS alert for network traffic
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 Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 654074 Sample: SecuriteInfo.com.W32.AIDete... Startdate: 29/06/2022 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 11 other signatures 2->66 7 SecuriteInfo.com.W32.AIDetectNet.01.31069.exe 1 7 2->7         started        11 books.exe 3 2->11         started        13 books.exe 4 2->13         started        process3 file4 38 C:\Users\user\AppData\Roaming\...\books.exe, PE32 7->38 dropped 40 C:\Users\user\...\books.exe:Zone.Identifier, ASCII 7->40 dropped 42 SecuriteInfo.com.W...et.01.31069.exe.log, ASCII 7->42 dropped 68 Encrypted powershell cmdline option found 7->68 70 Writes to foreign memory regions 7->70 72 Injects a PE file into a foreign processes 7->72 15 InstallUtil.exe 15 6 7->15         started        20 powershell.exe 17 7->20         started        22 InstallUtil.exe 11->22         started        24 powershell.exe 11->24         started        26 InstallUtil.exe 13->26         started        28 powershell.exe 13->28         started        signatures5 process6 dnsIp7 44 136.144.41.76, 49758, 49759, 49819 WORLDSTREAMNL Netherlands 15->44 36 C:\Windows\System32\drivers\etc\hosts, ASCII 15->36 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->48 50 Tries to steal Mail credentials (via file / registry access) 15->50 58 2 other signatures 15->58 30 conhost.exe 20->30         started        52 Tries to harvest and steal ftp login credentials 22->52 54 Tries to harvest and steal browser information (history, passwords, etc) 22->54 56 Installs a global keyboard hook 22->56 32 conhost.exe 24->32         started        34 conhost.exe 28->34         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/666c6f2f3993946d4236f3ce33d105e144631e704077b676dd592c19024f57ae/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-29 00:13:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mzwg6lzzsokg2qrw6phdhuif4fcgghtqib33m5w5lewbsaspk6xa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0b9605fc1dac92e236a85b791b44cca1e7966a71644d3739bf5b664b92e8300e
AgentTesla
12435275bda67db8db6f7265ca6e4fbe2765aa41e2fefc7097d1c849e9b2bd34
AgentTesla
3efa859091d8e7994ad47304244de9b0d14d4cfb5dca3df2a13aa7c0a62a021d
AgentTesla
964777409c799bfcdc5d6b5bb96a1213387bdf613ea0921de32df37434ee7fd6
AgentTesla
b3d4465709ca13e62a73e19d24e5234952553050d0793fe147c180d6b0db1f4e
AgentTesla
f63be70bc011d2549aad48b9ad4fea0784922d36ef4bc3b22590210dbb28fe7f
AgentTesla
+ 18'498 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220629-c5vwksebbl/
Behaviour
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
Adds Run key to start application
Checks computer location settings
Drops file in Drivers directory
AgentTesla
suricata: ET MALWARE AgentTesla Communicating with CnC Server
Malware Config
C2 Extraction:
http://136.144.41.76/bray/inc/a4a9ffb236214a.php
Unpacked files
SH256 hash:
9f01d9f2ed07e630ec078efa5d760762c3c8ad3b06e9e8a9062a37d63d57b026
MD5 hash:
9fbb8cec55b2115c00c0ba386c37ce62
SHA1 hash:
e2378a1c22c35e40fd1c3e19066de4e33b50f24a
Link:
https://www.unpac.me/results/631cc5d8-96c6-4cd6-820c-905adb5a281a/
SH256 hash:
030dc47adc398e18007bbad89e5827aaec60def733754bc1f480b47e0e8c96cd
MD5 hash:
6d19709ca32bedf8af933a3441404661
SHA1 hash:
b403408d531ddb276d65788ec10c5dc3c5a2e85b
Link:
https://www.unpac.me/results/631cc5d8-96c6-4cd6-820c-905adb5a281a/
SH256 hash:
7dbe4c6f50eb2b13b47f11ff7a41f0b303df3fa3b48aab0065cb40d0b8f26834
MD5 hash:
dc1a449bdeceafa50b1e721de2ac66bf
SHA1 hash:
58079aef412208024eac0474193b53f53a4a35be
Link:
https://www.unpac.me/results/631cc5d8-96c6-4cd6-820c-905adb5a281a/
SH256 hash:
666c6f2f3993946d4236f3ce33d105e144631e704077b676dd592c19024f57ae
MD5 hash:
fea5486bd37725bb4e8ca67caac79d39
SHA1 hash:
9a34b0d02b41e0ab92a7ab7f038d3edaf79022a0
Link:
https://www.unpac.me/results/631cc5d8-96c6-4cd6-820c-905adb5a281a/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/666c6f2f3993/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/666c6f2f3993946d4236f3ce33d105e144631e704077b676dd592c19024f57ae

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: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/284084/

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