MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3587ff41c4ab5cfd37aa464d4f32ec71e86860b9089da3ea4df459a3d44b446. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3587ff41c4ab5cfd37aa464d4f32ec71e86860b9089da3ea4df459a3d44b446
SHA3-384 hash: 86a911884186de339554062119f0cdfbe1aac9ec0dbf8bed657b16e55213bf405c44ac61c60be76db95dbcf5e6e1e493
SHA1 hash: 2ce4c22ea6bc6bbf6262d656f0981b3f35f2b181
MD5 hash: 8bbc379633e7c008cf7c0bec6f125d89
humanhash: four-oregon-uranus-dakota
File name:SecuriteInfo.com.Trojan.MSIL.AgentTesla.ETH.MTB.8683.28746
Download: download sample
Signature AgentTesla
Create hunting rule
File size:715'264 bytes
First seen:2022-05-24 05:52:45 UTC
Last seen:2022-05-24 06:35:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:dqHWk3AfxSvfMWUFeOGzSxF/Ff1eHS+7RXXWwpE2vqy7qIoSIAocScMDDjx:dqHWOAfxS3mV9fwHS+79LSWVoty6jx
Threatray 17'311 similar samples on MalwareBazaar
TLSH T132E4128033B8DF67E8395BFA98609A5013F9E2659D61E3880DC270EF2E62F6544D1F47
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 d2961d3133038ee8 (24 x AgentTesla, 18 x FormBook, 8 x Loki)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
292
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.MSIL.AgentTesla.ETH.MTB.8683.28746
Verdict:
Malicious activity
Analysis date:
2022-05-24 06:19:28 UTC
Tags:
agenttesla
Link:
https://app.any.run/tasks/8d250fff-b492-41af-adc7-151b3faac287

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/273951/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed replace.exe
Link:
https://www.filescan.io/uploads/628c72dc945ebb7eb1784e37/reports/b679d76b-6c23-4101-ae1f-7e68d22d5713/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ec700e06-530d-4d3b-a5bc-454a9a19ab33
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1000380
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Installs a global keyboard hook
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)
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 ftp login credentials
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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 632876 Sample: SecuriteInfo.com.Trojan.MSI... Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Multi AV Scanner detection for dropped file 2->35 37 9 other signatures 2->37 7 SecuriteInfo.com.Trojan.MSIL.AgentTesla.ETH.MTB.8683.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\...behaviorgraphTYxjpRYxkC.exe, PE32 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp662A.tmp, XML 7->25 dropped 27 SecuriteInfo.com.T...TH.MTB.8683.exe.log, ASCII 7->27 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Adds a directory exclusion to Windows Defender 7->45 11 SecuriteInfo.com.Trojan.MSIL.AgentTesla.ETH.MTB.8683.exe 15 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 29 api.telegram.org 149.154.167.220, 443, 49717 TELEGRAMRU United Kingdom 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 2 other signatures 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3587ff41c4ab5cfd37aa464d4f32ec71e86860b9089da3ea4df459a3d44b446/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 03:25:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wnmh75a4jk247u32ursnj4zoy4pinbqlsce5upve35czupkewrda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1e2586e2aa766bb1a9b1265a1c8c6d8cfb0fe74521470fc777b8d30c360c884f
AgentTesla
528c91f11caf89a7331dd4ba3c599903ea8f6543b715aa1420f5c70099e4c964
AgentTesla
6a0cdf63baad32236d845d0027822d4e9c67ac4f9bddd9933ada09f9811dbca5
AgentTesla
71881316918836c22fd8dd6f6e7d8759cd49943ec5f467f6be628f223b37d122
AgentTesla
cee0ec8b4807de91c78cd4addc645a5143b10e73b9406f92f11cc61752e2ac1f
AgentTesla
d4b635a8116cc2929c800b1a83e9e05a8085ca8e483f06d6293f22420c96f656
AgentTesla
dd0bdbd65d12a9ee3c2aea6c16ca0a6bf913d09a72385bfda2b1d8a6e1011436
AgentTesla
fb6c380b910cba16a60426c3671d3b19e5a90fa1061769178edc7a0821c8224f
AgentTesla
+ 17'301 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/220524-glahrabaan/
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5187728823:AAGLMGn_JlHiLgjLPDeSA29u69fic0Upi8Y/sendDocument
Unpacked files
SH256 hash:
15a64a77635d0c0fddbbb00e76d55b0f1c88623cf8b118735ef2cd373188ae32
MD5 hash:
a8aede25cec9f09493cec5137de755aa
SHA1 hash:
a8012a35a01c36733c8ec2e576cd510107782ef1
Link:
https://www.unpac.me/results/5693f72d-92ac-4465-acc6-19cbd33d05e9/
SH256 hash:
ef2f950e150fad77684332cbd1a42f4d6b340bacfd8ff9e06c2bc0e926bcf9e1
MD5 hash:
fd3162ce755861288bb46fda82bf9930
SHA1 hash:
5809308a5fdad31be8467d8b095fe60e8e1d54ff
Link:
https://www.unpac.me/results/5693f72d-92ac-4465-acc6-19cbd33d05e9/
SH256 hash:
74842c1a53c94763d637c11c8f0fe2ded061da1070779521edec331214ad5e62
MD5 hash:
f14be4036f03e92f479a3461c77c4f83
SHA1 hash:
1f14cade8f4a2f57bc353081b3daea00874be22d
Link:
https://www.unpac.me/results/5693f72d-92ac-4465-acc6-19cbd33d05e9/
SH256 hash:
72c91fdad59e06742ab11408962929f766b4fbe34e6b4e730dfb02707c08a430
MD5 hash:
06b823e64681bae033de886e22f0c8b6
SHA1 hash:
0791fc63e09cf5b5e77ebebf46271b7e66a39c7c
Link:
https://www.unpac.me/results/5693f72d-92ac-4465-acc6-19cbd33d05e9/
SH256 hash:
b3587ff41c4ab5cfd37aa464d4f32ec71e86860b9089da3ea4df459a3d44b446
MD5 hash:
8bbc379633e7c008cf7c0bec6f125d89
SHA1 hash:
2ce4c22ea6bc6bbf6262d656f0981b3f35f2b181
Link:
https://www.unpac.me/results/5693f72d-92ac-4465-acc6-19cbd33d05e9/
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3587ff41c4a/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/b3587ff41c4ab5cfd37aa464d4f32ec71e86860b9089da3ea4df459a3d44b446

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/273951/

Comments