MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
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SHA256 hash: 1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804
SHA3-384 hash: ce3b2e99700ca4a381e05aad4461abe53e3042a03faf0fd2bdcd35fe8d6cd86e2b19983246ddae45ebe4042214257ff3
SHA1 hash: cde48bab551e59ac3b5c7ef23ab5bba8893ac989
MD5 hash: 50a179c7f4ad0fe9315d6d1b8bfcd2f4
humanhash: mango-alabama-edward-august
File name:Scan-Documents.......pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:616'960 bytes
First seen:2023-06-19 07:42:46 UTC
Last seen:2023-06-26 08:01:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:W96SYF759msNLmUPBvBc7Es5SCHKz5EhHo36DfFLEhDanmKExzcaQ:kti75PN5Px1s7Ke+KDdWDanHEx
TLSH T10FD4F03826A98B29C93E47F90175022447F93E1B3546DA1E9ED138DF5F72B820627E73
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Scan-Documents.......pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-19 07:43:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b2a59a86-5724-4aa2-8b06-2e05523af6ec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XorStringsNET
Create hunting rule
Link:
https://www.capesandbox.com/analysis/400336/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILMamut.11228.24751.13796.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/649007175abd7c1e165f9d74/reports/316e4934-305c-4e44-b46b-16b772506f21/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804
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/630e9427-1055-4756-b142-b8147a1a9795
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1257147
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 890172 Sample: Scan-Documents.......pdf.exe Startdate: 19/06/2023 Architecture: WINDOWS Score: 100 47 Found malware configuration 2->47 49 Sigma detected: Scheduled temp file as task from temp location 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 4 other signatures 2->53 7 Scan-Documents.......pdf.exe 7 2->7         started        11 VBNGsxu.exe 5 2->11         started        process3 file4 33 C:\Users\user\AppData\Roaming\VBNGsxu.exe, PE32 7->33 dropped 35 C:\Users\user\...\VBNGsxu.exe:Zone.Identifier, ASCII 7->35 dropped 37 C:\Users\user\AppData\Local\...\tmp304D.tmp, XML 7->37 dropped 39 C:\Users\...\Scan-Documents.......pdf.exe.log, ASCII 7->39 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Adds a directory exclusion to Windows Defender 7->59 13 Scan-Documents.......pdf.exe 2 7->13         started        17 powershell.exe 15 7->17         started        19 schtasks.exe 1 7->19         started        21 Scan-Documents.......pdf.exe 7->21         started        61 Multi AV Scanner detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 23 VBNGsxu.exe 11->23         started        25 schtasks.exe 1 11->25         started        signatures5 process6 dnsIp7 41 mail.alnajimalzahir.com 78.46.22.101, 49692, 49698, 587 HETZNER-ASDE Germany 13->41 43 windowsupdatebg.s.llnwi.net 13->43 27 conhost.exe 17->27         started        29 conhost.exe 19->29         started        45 192.168.2.1 unknown unknown 23->45 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->65 67 Tries to steal Mail credentials (via file / registry access) 23->67 69 Tries to harvest and steal browser information (history, passwords, etc) 23->69 31 conhost.exe 25->31         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2023-06-16 03:27:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cymkuuf36rmwbjbyuxnswh7bg2rmckjs352crqn7dwz3vpkhlaca._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230619-jj9wyadf5t/
Behaviour
Creates scheduled task(s)
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
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
Unpacked files
SH256 hash:
c48b82ae00c2eb6ab39a21f826650c7a24677db735fb6def974a817e0540b1b2
MD5 hash:
65a0c3d59d07f3b4f917e3ad1a1cfcb1
SHA1 hash:
e062c666878db78939974d75732845e88875d8c2
Detections:
AgentTeslaXorStringsNet
Create hunting rule
Link:
https://www.unpac.me/results/b5db7fad-f6d8-4e89-ba49-9eddf477fb6b/
Parent samples :
c060c2a55788e8e9279005748e459f2108fdecd93c60017fec3ab52bd9b5e6ba
1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804
SH256 hash:
b1b75a23cc5cbfd7d1e551b04caf2c24278ca5486c7fd1385ad440a87df976a3
MD5 hash:
153eddc598cd64c8d312fa0f7613aabe
SHA1 hash:
d0af3143cfa9b7bbf2c777d69bc85540014e2443
Link:
https://www.unpac.me/results/b5db7fad-f6d8-4e89-ba49-9eddf477fb6b/
SH256 hash:
ea69cff680c47ad5eb0966803b183f71a83963202ea3a9f711db43d2e560a27d
MD5 hash:
470d862fc5dcf40816a93013bd5510e7
SHA1 hash:
9e3772b6f02bf4dacfd50be6114487e0cf27765c
Link:
https://www.unpac.me/results/b5db7fad-f6d8-4e89-ba49-9eddf477fb6b/
SH256 hash:
3bff2c3b4995c47b687df37e48a47b9e61b997ab550437d4bfefa8ead3b3a9ef
MD5 hash:
8683e7dc8e2d1cc3a943388f48df70aa
SHA1 hash:
868b7cfe89349bc65a8073aac5d56452264978f2
Link:
https://www.unpac.me/results/b5db7fad-f6d8-4e89-ba49-9eddf477fb6b/
SH256 hash:
1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804
MD5 hash:
50a179c7f4ad0fe9315d6d1b8bfcd2f4
SHA1 hash:
cde48bab551e59ac3b5c7ef23ab5bba8893ac989
Link:
https://www.unpac.me/results/b5db7fad-f6d8-4e89-ba49-9eddf477fb6b/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1618aa50bbf4/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/1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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.

Malspam

AgentTesla

Executable exe 1618aa50bbf45960a438a5db2b1fe136a2c12932df7428c1bf1db3babd475804

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/400336/

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