MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
SHA3-384 hash: b586f6be4ecbb39f45fe7913aa76e9e0f36c618cc91a60fdd5dcf7ac65d62c1d5014cc6ccb671791074fb0a0b61d108a
SHA1 hash: 1f4efb88bafd6bf9b01b06c4f167eb197d669538
MD5 hash: 8a41910a5f3960d6e666be295331e764
humanhash: leopard-avocado-fix-six
File name:Ödeme-9092288282827223.html.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:362'333 bytes
First seen:2023-11-29 10:05:54 UTC
Last seen:2023-11-29 15:29:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:wBlL//9aagr4kdIXl1BhD4OY6vgTZ3ryUs+rYafGYuZPtr5kJgMUYAyqlYzqgvHM:C99P0kTAPZ7d5JSPkJgMlpX2Ws
TLSH T1A874131622D091B7DD774E3154B694698AE2EC442962C38BFBAA7F1F2D3ABC74D01213
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 081717070b132b03 (4 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
315
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.FileRepMalware.26970.22378.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Setting a keyboard event handler
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6a91a05-7a61-478a-abbf-b065eb91deb9
Result
Threat name:
AgentTesla, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349816
Signature
Contains functionality to log keystrokes (.Net Source)
Detected unpacking (creates a PE file in dynamic memory)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 10:06:05 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fb4q3euxzwohavriwzeykuug34j4jiokrvcceh6qcmg5ir7wkmya._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231129-l43dpsfe83/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
aed076b5dd87cfdcae53475c5fb8efb467ab22441c148448a272a82597b6c1f7
MD5 hash:
6be3cf7acc27d8ecef0e8b6f6699a2f6
SHA1 hash:
64a91644f39dd7a801ff0daf6d1d71c7ed181df8
Detections:
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
Link:
https://www.unpac.me/results/8f299a5d-8660-43c5-bde1-e6cc85ecac22/
SH256 hash:
4b5bf7aa51dcaa7bc7f0928e5f3e1f65616d531be3949b813d2573c1dcc624d4
MD5 hash:
7b6e072b8ec0c8ece3fd6e3b0b086717
SHA1 hash:
1becf233facd43214446e328f0843960e49539df
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/8f299a5d-8660-43c5-bde1-e6cc85ecac22/
Parent samples :
ebc7419cbc957d2c61e7e72eb6e8144589b78cebac57a1ca58a77237bc478bfd
7fcf515fc374fde7a68255e8bee877a91963cbd54e86eaa222a0efb550cebb6b
a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8
ccd1a1a8894135d74b09b38078cb1c74310a32640be2db9c14957edd830f0bff
SH256 hash:
9585fdc9df4e6cafd2ad0124ca2164d65d4e88d015f9c044f2735ff3039e59bb
MD5 hash:
59a61bd9505f72e28718cb5cb8bbb6cb
SHA1 hash:
07b7e70d1783375011bfa358236ecd1796b4435e
Link:
https://www.unpac.me/results/8f299a5d-8660-43c5-bde1-e6cc85ecac22/
SH256 hash:
28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
MD5 hash:
8a41910a5f3960d6e666be295331e764
SHA1 hash:
1f4efb88bafd6bf9b01b06c4f167eb197d669538
Link:
https://www.unpac.me/results/8f299a5d-8660-43c5-bde1-e6cc85ecac22/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28790d9297cd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments