MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a. 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 14 File information Comments
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SHA256 hash: 66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a
SHA3-384 hash: 0f1339f264d1d76d4e8832ec51c3041b760fc53523676e4c85aa5242b9e0e67ae12301f6edd278a6dff37c7cdf6e8c85
SHA1 hash: ec223f24bdbf05ddbaa8a86a018eb77bc1d95637
MD5 hash: 70fee6841bffdf957c20cca29d373434
humanhash: september-virginia-hydrogen-neptune
File name:shipping documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'058'304 bytes
First seen:2023-11-10 14:22:35 UTC
Last seen:2023-11-13 08:35:27 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Yg75rAhD2QEkuECKvRb9bOmR4bc2G44E7d9wyVM9b56voOe2hHaQUAlg1kBJ:Y05eiQEks8b9TOgmZd95lvoSLUCg
TLSH T1F535AD3D5AAD2627D179DFB18FC18057B2E499AB3151ED7998D303AA0302B16F9C123F
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 James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
305
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
shipping documents.exe
Verdict:
Malicious activity
Analysis date:
2023-11-10 14:24:55 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/3d4fdc38-360d-43d6-a1c1-b642b70ea5e6

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.18976.30147.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Using the Windows Management Instrumentation requests
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/654e3cc9886b1623ff3d654f/reports/76454b3d-b0c6-4064-b584-ce4926c24c00/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a
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/1a2ec1e3-29e0-4acd-a7a7-1a411a230f62
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1340685
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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
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: 1340685 Sample: shipping_documents.exe Startdate: 10/11/2023 Architecture: WINDOWS Score: 100 40 mail.apexthreads.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 10 other signatures 2->50 8 shipping_documents.exe 7 2->8         started        12 eYTXTdRjpemfE.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\eYTXTdRjpemfE.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp9FC2.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 58 Adds a directory exclusion to Windows Defender 8->58 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        60 Antivirus detection for dropped file 12->60 62 Multi AV Scanner detection for dropped file 12->62 64 Injects a PE file into a foreign processes 12->64 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.apexthreads.com 162.240.69.3, 49707, 49710, 587 UNIFIEDLAYER-AS-1US United States 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/66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-10 05:10:02 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m2jjvcwfjosa6wj555kxdc7hgpy7ojrnjw5jcc6elkrhe2hsiyfa._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/231110-rp5heage9y/
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:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/8b103ee4-72ce-49e6-8c2c-0d840682dc48/
SH256 hash:
093949425ceec9bce2816d3aa43d160e83d91e6d29a7c259a724715723d5f7da
MD5 hash:
83bb375aa4d286c5ff90ade36f966904
SHA1 hash:
9a3b28999236e9eba39e5be208c34a07b7f190f4
Link:
https://www.unpac.me/results/8b103ee4-72ce-49e6-8c2c-0d840682dc48/
SH256 hash:
bfef9eac82e53e8d63bcb3b3022880eaf8f22cbbc6c69f3782b59c438f649f12
MD5 hash:
ddf81912128dd196140e9be656c3a212
SHA1 hash:
51221baf7115f7f2de03cd00b8b25cfde9241a35
Link:
https://www.unpac.me/results/8b103ee4-72ce-49e6-8c2c-0d840682dc48/
SH256 hash:
5ca6080885b61905aac5d67fe3040dd16611a3bcfc772a14209df75b6d2ef2fd
MD5 hash:
77ecf2260416e98c24812766af030ae7
SHA1 hash:
146104d895bbd28568c296d0eb1a50943e4640b1
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/8b103ee4-72ce-49e6-8c2c-0d840682dc48/
Parent samples :
525ef1601fb26d98410a4de2acbc10301096de67a6323c96df9ae4349e8eedb0
66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a
174d57e0b445ed0ed7813437d5c7baed137e6fd329dac486fae1cd3391104def
2d63c7065f4924e91461a07ccefafbddc4d7944cc5cbf0ad543a7c7f8103d36e
4da7a20e6f4991dc19fa6fe495f08f677b0ef8cd718e6a860b530783b6631bb4
SH256 hash:
66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a
MD5 hash:
70fee6841bffdf957c20cca29d373434
SHA1 hash:
ec223f24bdbf05ddbaa8a86a018eb77bc1d95637
Link:
https://www.unpac.me/results/8b103ee4-72ce-49e6-8c2c-0d840682dc48/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66929a8ac54b/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/66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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

rar 1a84167ee4677c42a8c993e357908a037c8adf88aa12e1f9013e972e9c3e46ec

AgentTesla

Executable exe 66929a8ac54ba40f593def55718be733f1f7262d4dba910bc45aa27268f2460a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 1a84167ee4677c42a8c993e357908a037c8adf88aa12e1f9013e972e9c3e46ec
  
Dropped by
MD5 516ecdc51d957388fe7e2996f783b107

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