MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc
SHA3-384 hash: 935fe359b70e87e04147384911060e08e7e453062b39384bbc877dfc5533eed1490ed11e1c4314e7e16b9013d05e68d9
SHA1 hash: 40a14357cf0a5e660f420959b9aa2e39860fe71e
MD5 hash: 870c75311ace0bfc0493e146683aa461
humanhash: winner-golf-sierra-sierra
File name:Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'134'592 bytes
First seen:2023-03-29 13:11:20 UTC
Last seen:2023-04-03 04:20:43 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 24576:e+12zVZ97VL7N9Eapjbj6UsgkfE7b4Z1bQkv65:DAR37HPe6GZZ/
TLSH T13B357D5CF18071FFC6038672C990EE72B51F9ED60706898ED0E71DEBB5BF5598A0A0A1
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Documents.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 13:14:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/dc914590-f85d-43d4-9fb0-94165087f399

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/378488/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
packed
Link:
https://www.filescan.io/uploads/6424392483048b7317acd4f7/reports/31bb320d-08c8-4e4b-917b-df50b9a354b3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc
Result
Verdict:
UNKNOWN
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/3b6354dc-85c9-45ad-b6ee-6dd9eabfe202
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204298
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837211 Sample: Documents.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 54 Antivirus / Scanner detection for submitted sample 2->54 56 Sigma detected: Scheduled temp file as task from temp location 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 3 other signatures 2->60 8 Documents.exe 7 2->8         started        12 JdjuzhQjWTPa.exe 5 2->12         started        process3 file4 36 C:\Users\user\AppData\...\JdjuzhQjWTPa.exe, PE32 8->36 dropped 38 C:\Users\...\JdjuzhQjWTPa.exe:Zone.Identifier, ASCII 8->38 dropped 40 C:\Users\user\AppData\Local\Temp\tmpC05.tmp, XML 8->40 dropped 42 C:\Users\user\AppData\...\Documents.exe.log, ASCII 8->42 dropped 62 Detected unpacking (changes PE section rights) 8->62 64 Detected unpacking (overwrites its own PE header) 8->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 74 3 other signatures 8->74 14 RegSvcs.exe 8->14         started        17 RegSvcs.exe 15 2 8->17         started        20 powershell.exe 21 8->20         started        22 schtasks.exe 1 8->22         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Machine Learning detection for dropped file 12->72 24 RegSvcs.exe 12->24         started        26 schtasks.exe 1 12->26         started        signatures5 process6 dnsIp7 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->76 78 May check the online IP address of the machine 14->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->80 44 api4.ipify.org 173.231.16.76, 443, 49697, 49701 WEBNXUS United States 17->44 46 rapidcheckng.com 208.79.237.170, 49698, 49702, 587 LIQUIDWEBUS United States 17->46 52 3 other IPs or domains 17->52 28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        48 mail.rapidcheckng.com 24->48 50 api.ipify.org 24->50 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->82 84 Tries to steal Mail credentials (via file / registry access) 24->84 86 Tries to harvest and steal browser information (history, passwords, etc) 24->86 32 conhost.exe 26->32         started        signatures8 process9 process10 34 conhost.exe 28->34         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 08:29:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jclnitc2hbajerodex3bq5rulj7orwdudec26tanfeilvirynw6a._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230329-qfhfvagd64/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
1e3cc948a784753c295f9acd138a6ece7c89ded7db669b4069210c70a45fe6a1
MD5 hash:
4689d879a4c3f147fb2490d71d499fb1
SHA1 hash:
ce2105b06b1833883cf7609c1f62afa88629a8f1
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
Parent samples :
ed9248192c85ed4a3053e0c5bf1763cb1e39ed9514122a29542e439461c89f9b
48a9074aa2eebe724b1e9d3828e2eb3ab0fde8d370ef71652b5ffe44cf51322e
SH256 hash:
b4b190818a658f0b64f5aa6d39e901e9d731bf1f58fa072b4c73120a96489bdb
MD5 hash:
3c6f8b2e78f5ebf58c4f170b30c04607
SHA1 hash:
c0ee09a1a9d1c673ad7eadabab7de44ebe0ff765
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
SH256 hash:
7ca2b3a48463a9b2c7dce123eda64c1da9065307b0f7a5491e7f363bf39f68f4
MD5 hash:
6e001b85439e9f452364d113c60ec625
SHA1 hash:
89c38cd865bfbda28d9fd9cd809278ffea11d02f
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
SH256 hash:
8485684e738d12ae62fa45dc123b3779d5b1095753c93be14d66f53e0de9deeb
MD5 hash:
0b79c71a185ece890710404a49c2f9c4
SHA1 hash:
34fc1ebdb23ce5bbf0bfd5bb8acf2214d0f12767
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
SH256 hash:
8f0c7e3047346b8d6477ff6d4639fd6157602c7ebc840f3432b99263f1cb415c
MD5 hash:
e5b073b30db1b058298f5df032164e4d
SHA1 hash:
15d3ada4e7ac01b766615b9b66785e7e2ae9b0ca
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
SH256 hash:
4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc
MD5 hash:
870c75311ace0bfc0493e146683aa461
SHA1 hash:
40a14357cf0a5e660f420959b9aa2e39860fe71e
Link:
https://www.unpac.me/results/c59f8c1d-2603-4158-8a2a-e8d23cdaeed6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4896d44c5a38/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/4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc

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: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 a9c98d32914a5fb55c89be027d90199e6c5731d46afb84dd8f13e591789401d7

AgentTesla

Executable exe 4896d44c5a38409245c325f61876345a7ee8d8741905af4c0d2910baa2386dbc

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/378488/
  
Dropped by
SHA256 a9c98d32914a5fb55c89be027d90199e6c5731d46afb84dd8f13e591789401d7
  
Dropped by
MD5 cbd60a7941ccb971a4258e883497fa60

Comments