MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
SHA3-384 hash: e572a29d7fc436683bead31b8b306232bec0723bbdf9f6a600264939e58edc71f4c4b7633f2221dad9207adbe8277570
SHA1 hash: 11f54ca62f6d5cf28924c94b238132f77e730742
MD5 hash: ee611dbc284c5dcd955bd313392768fb
humanhash: aspen-twenty-vegan-romeo
File name:e-dekont_html.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:361'826 bytes
First seen:2023-11-28 16:35:05 UTC
Last seen:2023-11-28 18:15:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b76363e9cb88bf9390860da8e50999d2 (464 x Formbook, 184 x AgentTesla, 122 x SnakeKeylogger)
ssdeep 6144:QBlL/w+MvB2viN92cvjLJZuBMqTDz+BeIVnrjoYZS9L+X6dgBlESf/sfrPZzpuKL:iuxZ2v29BBoMSe3jtgddgHE1Z11
TLSH T15F74231390F8DCBBD4235530F635D33893F2ED4BE012748B47A1AA725DF26D25AAE11A
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 b1293d4f69351fc6 (7 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
AgentTesla
Create hunting rule
Link:
https://www.capesandbox.com/analysis/460992/
Detection(s):
SecuriteInfo.com.FileRepMalware.29686.1446.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/656616f62efa450749ac08de/reports/cd7e1e63-d988-4676-a0d4-293c9c5c45b0/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
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/408093bd-b76c-4bfa-b8b9-31f2c343b2ff
Result
Threat name:
AgentTesla, NSISDropper
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349421
Signature
Contains functionality to log keystrokes (.Net Source)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected NSISDropper
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-11-28 09:26:23 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
24 of 37 (64.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vh2p6jhbbxf22bxedbnkfolpg7xwsqhhngstgnhq67w33ppujhvq._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/231128-t3qmhsbe6y/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
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:
4e39f62e00dc90901c2c84ed8a304db24b27d23c0a8b4598cd7f722289d5cc58
MD5 hash:
423cd1be5636ac8fea64a71056929a03
SHA1 hash:
ab5592c6b4f499915d085802485cefc6c5f0510e
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/a510e9b7-7695-49c4-87e6-4be457f2b63a/
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/a510e9b7-7695-49c4-87e6-4be457f2b63a/
Parent samples :
ebc7419cbc957d2c61e7e72eb6e8144589b78cebac57a1ca58a77237bc478bfd
7fcf515fc374fde7a68255e8bee877a91963cbd54e86eaa222a0efb550cebb6b
a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
28790d9297cd9c705628b649855286df13c4a1ca8d44221fd0130dd447f65330
c508d98d5749bcb745f5a56b8503600855985fe8654465e864c6bf35f7061fd8
ccd1a1a8894135d74b09b38078cb1c74310a32640be2db9c14957edd830f0bff
SH256 hash:
f0f766ff62fa71c5ee87e4195f3912e2010d76ab5106930ca8d1fb7f9925aeb2
MD5 hash:
f5ec5ee258952fa4e8efaaf0cca3d914
SHA1 hash:
77fad3a28d89b7bd6c00b71a6a04a418cf62cd65
Link:
https://www.unpac.me/results/a510e9b7-7695-49c4-87e6-4be457f2b63a/
SH256 hash:
a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb
MD5 hash:
ee611dbc284c5dcd955bd313392768fb
SHA1 hash:
11f54ca62f6d5cf28924c94b238132f77e730742
Link:
https://www.unpac.me/results/a510e9b7-7695-49c4-87e6-4be457f2b63a/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a9f4ff24e10d/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/a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb

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 a9f4ff24e10dcbad06e4185aa2b96f37ef6940e769a53334f0f7edbdbdf449eb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460992/

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