MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f
SHA3-384 hash: 435e669191b9beb5372b4a7765eedea8c42a283b087877bea4cdb45d52cc257c2299741e5670658c86ac64d85f536474
SHA1 hash: e6cc862c9b7dbd662ab9821c08def69de9eecd7f
MD5 hash: ea97520f8e1283f2e2cd16230478c164
humanhash: queen-mississippi-nineteen-bravo
File name:SecuriteInfo.com.IL.Trojan.MSILZilla.28600.7595.4585
Download: download sample
Signature AgentTesla
Create hunting rule
File size:814'080 bytes
First seen:2023-08-31 11:55:04 UTC
Last seen:2023-08-31 12:35:19 UTC
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:y3q5rqSgNU1yjN2AwYxzGHOmcnYMFBfj5iiFKv+FhaUfmv8+QqFvW/hzmRKrcZh:7JgeIjNwkGGTfj5iiFjFho8+Tm5
Threatray 2'828 similar samples on MalwareBazaar
TLSH T18E05230341C55C4CC4A2A3FAECDBD581837D5DB3561EDC79EA3C8D5A062A32C372AE66
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)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
293
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.IL.Trojan.MSILZilla.28600.7595.4585
Verdict:
Malicious activity
Analysis date:
2023-08-31 11:55:54 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/76121fb1-c159-40b9-ba96-4653f5d734a9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/445468/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.28600.7595.4585.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the 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
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/64f07f9ee52937d43d9fdfd3/reports/1cd2fc1e-9086-4e94-941c-6d41b0387d61/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f
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/5443a574-54fd-44ac-bd51-42d21c81acd9
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1301002
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
Sigma detected: MSBuild connects to smtp port
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 dnsIp2 2 Behavior Graph ID: 1301002 Sample: SecuriteInfo.com.IL.Trojan.... Startdate: 31/08/2023 Architecture: WINDOWS Score: 100 48 tse1.mm.bing.net 2->48 50 Snort IDS alert for network traffic 2->50 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 7 SecuriteInfo.com.IL.Trojan.MSILZilla.28600.7595.4585.exe 1 5 2->7         started        11 Wbpnwbgu.exe 5 2->11         started        13 Wbpnwbgu.exe 4 2->13         started        15 2 other processes 2->15 signatures3 process4 file5 34 C:\Users\user\AppData\Roaming\Wbpnwbgu.exe, PE32 7->34 dropped 72 Creates multiple autostart registry keys 7->72 74 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->74 76 Writes to foreign memory regions 7->76 17 MSBuild.exe 17 4 7->17         started        78 Antivirus detection for dropped file 11->78 80 Multi AV Scanner detection for dropped file 11->80 82 Machine Learning detection for dropped file 11->82 22 MSBuild.exe 3 11->22         started        84 Injects a PE file into a foreign processes 13->84 24 MSBuild.exe 13->24         started        26 MSBuild.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        signatures6 process7 dnsIp8 36 mail.parivartansandeshfoundation.com 184.168.111.8, 49722, 49724, 49733 AS-26496-GO-DADDY-COM-LLCUS United States 17->36 38 api4.ipify.org 173.231.16.76, 443, 49721, 49734 WEBNXUS United States 17->38 46 2 other IPs or domains 17->46 32 C:\Users\user\AppData\Roaming\...bJgI.exe, PE32 17->32 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->58 60 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->60 62 May check the online IP address of the machine 17->62 64 Creates multiple autostart registry keys 17->64 40 64.185.227.156, 443, 49723 WEBNXUS United States 22->40 42 api.ipify.org 22->42 44 api.ipify.org 24->44 66 Tries to steal Mail credentials (via file / registry access) 24->66 68 Tries to harvest and steal browser information (history, passwords, etc) 24->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->70 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-08-31 09:17:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 37 (56.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w4pjkzkgxkrld6dh4zikix7jwygnofqmgeofylfus6c5vcsxwqhq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0049da55ac90249e962b11e39fefe4e9aa952b6bd7b2faaba3ca67e3b8432d80
AgentTesla
1b3a82f21226cf22c6b935eeb7ca17fc2c36ec65cbf1f4fc32cc8b79fb3252d8
AgentTesla
39fdc2f771ca4310602321e5d1484b3f8a6ccd4ad93874e1394feda5c72d18b1
AgentTesla
54a5be7cfb6c0e4eb1673fc7d158b93094378a55f403afa84b82604bf06a9d5b
AgentTesla
a073440250210a9a498868af360fb2e9dc8bd35458891a4bad3972c9aa4b4ca7
AgentTesla
a118bad62d2047fe8e2ad0cdb3aee9dd0be8daabd287e72e057531675feec3e8
AgentTesla
c203ce634a1d32ea10fbc654272e1a1e4aaf253a9fc45cc4204c695bab93364b
AgentTesla
c7464a9c462386c00041d6afed11e2204d064bc83bce45275b4496b54c92083d
AgentTesla
fe561cf56cd580b3bb34099feec06059cd9b276a1c07f9316036058d22d661ac
AgentTesla
+ 2'818 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/230831-n3hc9aee4s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
47ca62997bdd513457fa3acfaa047cffa869938e9a30a6e4c5c4ccee091435f2
MD5 hash:
fadd95262a5bf287d9392382f927176c
SHA1 hash:
72ab674f8a3421f4c94e8a0c9a714af592c04cfb
Link:
https://www.unpac.me/results/9547fd3a-fc8d-41d1-8153-cf6712c12637/
SH256 hash:
50a23a34f6b042bf457107911b50079abfc19901bd06d9416b13c41135a0610e
MD5 hash:
f7c90c85d76d461d55ef9386aa52c596
SHA1 hash:
4afa41e03b2d6aea28b2ffe7d3620aa692da0b1d
Detections:
AgentTesla
Create hunting rule
Link:
https://www.unpac.me/results/9547fd3a-fc8d-41d1-8153-cf6712c12637/
Parent samples :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 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/9547fd3a-fc8d-41d1-8153-cf6712c12637/
SH256 hash:
a4dd1af52b63c3bc7bbefa9d9824be5805cf7fac3fe96fc96fdcfb1ab850a40a
MD5 hash:
8b8719f713cfb0b8c667ee4032eb819f
SHA1 hash:
1977996cd59a59727bee822e1782d6227e65136f
Link:
https://www.unpac.me/results/9547fd3a-fc8d-41d1-8153-cf6712c12637/
SH256 hash:
b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f
MD5 hash:
ea97520f8e1283f2e2cd16230478c164
SHA1 hash:
e6cc862c9b7dbd662ab9821c08def69de9eecd7f
Link:
https://www.unpac.me/results/9547fd3a-fc8d-41d1-8153-cf6712c12637/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b71e956546ba/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b71e956546baa2b1f867e650a45fe9b60cd7160c311c5c2cb49785da8a57b40f

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: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: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/445468/

Comments