MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0. 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 4 File information Comments
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SHA256 hash: d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0
SHA3-384 hash: 513c360e5d95e42689ddbec99d5f7899d4772d97374a846cc8f689b0c25baeedd1c40ab68354bbb9c7c0a58a2381f8ae
SHA1 hash: 2d3adf39dafb53616b9426ec2af1e2b2f0ff94f8
MD5 hash: cef073eee23d171f2f85d613156905f5
humanhash: sixteen-comet-spaghetti-oxygen
File name:Purchase order 4500381478.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'020'416 bytes
First seen:2024-03-05 19:54:15 UTC
Last seen:2024-03-05 21:32:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:u2C/hNjj02iNTGw+C1DRXqUS+cvzmvbkpzUIEwcnFAC+B3ceKCMJfk4/N/hVVn1k:t1wIDwUS+YuivHcnmzBMPCe/N/h1NnO
Threatray 469 similar samples on MalwareBazaar
TLSH T1C825E02DB270C029C6ABE2321ACDD97081D51DFEDAC5CF5659B19C923921F83188F67B
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 72ceaea6b2968eaa (4 x AgentTesla)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
468
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0.exe
Verdict:
Malicious activity
Analysis date:
2024-03-05 19:58:28 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/5762aacc-2c49-4213-8fe6-7dc63c8e5add

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/65e77897aa3c088d605cfb2e/reports/26e45a71-335c-47ef-b4ca-a3c771731ce6/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0
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/fce7566b-52a4-4b71-8359-21318ef1101e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1403663
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: Powershell Base64 Encoded MpPreference Cmdlet
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
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1403663 Sample: Purchase order 4500381478.exe Startdate: 05/03/2024 Architecture: WINDOWS Score: 100 59 mail.oceanskylogistics.in 2->59 61 api.ipify.org 2->61 67 Snort IDS alert for network traffic 2->67 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 15 other signatures 2->73 8 Purchase order 4500381478.exe 7 2->8         started        12 tKLxPt.exe 2->12         started        14 FbscDzk.exe 5 2->14         started        16 tKLxPt.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\Roaming\FbscDzk.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\...\tmp3DEC.tmp, XML 8->57 dropped 83 Adds a directory exclusion to Windows Defender 8->83 85 Injects a PE file into a foreign processes 8->85 18 Purchase order 4500381478.exe 16 5 8->18         started        23 powershell.exe 21 8->23         started        25 schtasks.exe 1 8->25         started        87 Antivirus detection for dropped file 12->87 89 Multi AV Scanner detection for dropped file 12->89 91 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->91 27 tKLxPt.exe 12->27         started        37 2 other processes 12->37 93 Machine Learning detection for dropped file 14->93 29 FbscDzk.exe 14->29         started        31 schtasks.exe 14->31         started        33 tKLxPt.exe 16->33         started        35 schtasks.exe 16->35         started        signatures6 process7 dnsIp8 63 mail.oceanskylogistics.in 43.255.154.57, 49709, 49713, 49717 AS-26496-GO-DADDY-COM-LLCUS Singapore 18->63 65 api.ipify.org 104.26.13.205, 443, 49707, 49712 CLOUDFLARENETUS United States 18->65 51 C:\Users\user\AppData\Roaming\...\tKLxPt.exe, PE32 18->51 dropped 53 C:\Users\user\...\tKLxPt.exe:Zone.Identifier, ASCII 18->53 dropped 75 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->75 77 Tries to steal Mail credentials (via file / registry access) 18->77 79 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->79 39 WmiPrvSE.exe 23->39         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 31->45         started        81 Tries to harvest and steal browser information (history, passwords, etc) 33->81 47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2024-03-05 16:29:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2fnfhmb24plk5pvs2cgbvny4zlhhuqmouzat64yil5qbktfgqlqa._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
061d22ce82c411b7a7a101fcb6fd0836f420b1800a7e5b241089fc819cfd4451
AgentTesla
11d7212106c1e7d65ca5b3a3d6c197775e224c151b89900de265e6efcbb68322
AgentTesla
9f3330ef95e0cb6c1926d216d4a4662cd1c9265f3559ee8121a39bdcc2e957bd
AgentTesla
b224c93b27774068d0c1a5e0ba7e744ff382c96ef02b2626fd434d1686f35e3a
AgentTesla
+ 459 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240305-ym4lnagg46/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads WinSCP keys stored on the system
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:
c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b
MD5 hash:
7c7fb6daa78beb69128991ff893143ed
SHA1 hash:
c01bb99984b12b84129db80eae1d5d8341a358e2
Link:
https://www.unpac.me/results/0568dcbb-4be9-42ea-96cf-e4c918493330/
SH256 hash:
545f0d58963bae734eda50742cf9f78db188b868b1cd68e37f5bba2bc2c34fbb
MD5 hash:
1bfd87e0f9634e85d97ab3e12280762a
SHA1 hash:
ba3819ab61fc2ba2d0d79ebe31ffea46218fdd61
Link:
https://www.unpac.me/results/0568dcbb-4be9-42ea-96cf-e4c918493330/
SH256 hash:
b3f9cf06aea6957d9dd1dde3c23e0f1b3233d577cb2a9fbd4a6c00c48c15bba2
MD5 hash:
90e44c1083b1af4b899b1b42cd250daf
SHA1 hash:
57d10e3cc596e4614fce5d4d331bece44b0e1c6f
Link:
https://www.unpac.me/results/0568dcbb-4be9-42ea-96cf-e4c918493330/
SH256 hash:
cef10ca37f241451aa9d08bd5515f3da8323c36dff1482af5fad9a87ea877e38
MD5 hash:
e12bd73834a2f33a7d4cd228738e73c3
SHA1 hash:
47734ba498d3018281146b31d87a43345297ab05
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/0568dcbb-4be9-42ea-96cf-e4c918493330/
Parent samples :
11d7212106c1e7d65ca5b3a3d6c197775e224c151b89900de265e6efcbb68322
45bdc1b6250045529b8332c7fcca84f7215c66de929b2ae7a10be86fee2924c5
d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0
c9c09d6c428e195827e779c5cb58b5fd32fd42ff581b34c2a66b325e4d04d674
SH256 hash:
d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0
MD5 hash:
cef073eee23d171f2f85d613156905f5
SHA1 hash:
2d3adf39dafb53616b9426ec2af1e2b2f0ff94f8
Link:
https://www.unpac.me/results/0568dcbb-4be9-42ea-96cf-e4c918493330/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d15a53b03ae3/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/d15a53b03ae3d6aebeb2d08c1ab71ccace7a418ea6413f73085f60154ca682e0

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: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.

  
Delivery method
Other

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments