MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1
SHA3-384 hash: 6f074a682ad8154ca32265d787cabd0fdf19f1d8e09c69c154fc089aaa304bc72bc9238ff92f014a3233d983b51114c7
SHA1 hash: 3108a06b8eccdaa21cea9bf54552fcca90c40a90
MD5 hash: 47bc20189457142bfb4a6da1ec458d9f
humanhash: mars-sierra-mockingbird-violet
File name:DHL Express - Overdue Invoices.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:698'368 bytes
First seen:2023-11-21 09:22:10 UTC
Last seen:2023-11-27 09:20:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:r30reQHucvCeAeQseQiEDxTT86uCV5+KX9x8HBBvPCHZDi2aoQGxaywtj:8e4ucqeAeteFEtxV/T6C5Z7a
TLSH T1ADE4028876280863CCAE10F689129F1506FA813A345ED7F9DCDBE55CBB95B46C810F6B
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 adrian__luca
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
315
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
DHL Express - Overdue Invoices.exe
Verdict:
Malicious activity
Analysis date:
2023-11-21 09:25:41 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/be62a88f-32b0-4002-a967-d4ea79dfeb9c

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/459471/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/655c76fb0e54ca1845c4ee4e/reports/9ddd5df5-94c6-45f5-a5cc-f4ab2c4f0407/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1
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/3c030467-a926-4ef4-892c-ec252ab8ccc0
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345702
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1345702 Sample: DHL_Express_-_Overdue_Invoi... Startdate: 21/11/2023 Architecture: WINDOWS Score: 100 40 mail.iaa-airferight.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 8 DHL_Express_-_Overdue_Invoices.exe 7 2->8         started        12 spixGAHuzl.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\spixGAHuzl.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpC2C7.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 64 2 other signatures 8->64 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        58 Antivirus detection for dropped file 12->58 60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.iaa-airferight.com 84.54.23.97, 25, 49713, 49715 DEDIPATH-LLCUS Germany 14->42 66 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->68 70 Tries to steal Mail credentials (via file / registry access) 14->70 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        72 Tries to harvest and steal browser information (history, passwords, etc) 24->72 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 13:56:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=thlwksgd7thro23fedyx7y7gmbikob2lmp2szejhjbbmeczr5piq._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/231121-lcgmxsde56/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
f9bbfcd643105e4dc76bd7c6a7abc577a42d7e6506ac2e51427b9af09406d0bc
MD5 hash:
391c60e36baf828ea99b895a23877def
SHA1 hash:
d16b073ae95890df8fa8a71f21f951439ad2c863
Link:
https://www.unpac.me/results/1a2024d5-bda9-4ed4-b64e-69bf2a4f8274/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/1a2024d5-bda9-4ed4-b64e-69bf2a4f8274/
SH256 hash:
6a6fba452cc4eea6c06fbeccca3d14c5ac7c7ae8965dea3d874457ddd05bf853
MD5 hash:
7bd23472fd88fe70688a0f89634e5ae8
SHA1 hash:
a229eaf07f5f81297130f836823a977cfd0ce214
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/1a2024d5-bda9-4ed4-b64e-69bf2a4f8274/
Parent samples :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 hash:
81a9e5e4f2481170ea07fbe19c19308d55453dbe893e283d74f9d34768067068
MD5 hash:
f82eaca89ad8b7c448dca6411ff2a8fa
SHA1 hash:
411af9e95ac5b764865f8f9a032458f9a7cc2501
Link:
https://www.unpac.me/results/1a2024d5-bda9-4ed4-b64e-69bf2a4f8274/
SH256 hash:
99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1
MD5 hash:
47bc20189457142bfb4a6da1ec458d9f
SHA1 hash:
3108a06b8eccdaa21cea9bf54552fcca90c40a90
Link:
https://www.unpac.me/results/1a2024d5-bda9-4ed4-b64e-69bf2a4f8274/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/99d76548c3fc/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/99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1

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: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:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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.

Malspam

AgentTesla

Executable exe 99d76548c3fccf176b6520f17fe3e66050a7074b63f52c91274842c20b31ebd1

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/459471/

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