MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939
SHA3-384 hash: 290c94ff499018ea36020277d6b9961bbcb5b9df01f59f9e03a87b72efaaf4195c06e29a4ed90bf23a73cce5951030af
SHA1 hash: 88c7b0e46c77982490ac3479e81c97f017b751f4
MD5 hash: 5a64c96ccd06ca43c155577a49a77420
humanhash: potato-mike-idaho-vegan
File name:purchase_order T&B.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:839'168 bytes
First seen:2023-11-29 13:21:20 UTC
Last seen:2023-11-30 10:47:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:hHtWpdqxlZ5RnwUwZxqsPBfJXKtha53yrH7vP6AI0opoxKFq:3WpdahnwUwZxBPBfUth0irH7vPje
TLSH T15005E01BA1E66B56DDB297B65D34A12047B7AE2A2B3DE73D3C9130E74FB9B004001763
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)
File icon (PE):PE icon
dhash icon bebef0d4ccf0bebe (2 x AgentTesla)
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
319
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
purchase_order T&B.exe
Verdict:
Malicious activity
Analysis date:
2023-11-29 13:23:47 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/2329b1f4-9d3f-4462-aff9-33f88bb2644b

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/461192/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.10770.8476.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
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Forced shutdown of a system process
Stealing user critical data
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939
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/554bcece-18e8-4345-8c63-9f3ba44c334b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349881
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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: 1349881 Sample: purchase_order_T&B.exe Startdate: 29/11/2023 Architecture: WINDOWS Score: 100 42 mail.bezzleauto.com 2->42 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 9 other signatures 2->52 8 purchase_order_T&B.exe 7 2->8         started        12 FYZkyFw.exe 5 2->12         started        signatures3 process4 file5 38 C:\Users\user\AppData\Roaming\FYZkyFw.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\Local\...\tmp4561.tmp, XML 8->40 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 8->54 56 Writes to foreign memory regions 8->56 58 Allocates memory in foreign processes 8->58 60 Adds a directory exclusion to Windows Defender 8->60 14 RegSvcs.exe 2 8->14         started        18 schtasks.exe 1 8->18         started        20 RegSvcs.exe 8->20         started        28 3 other processes 8->28 62 Multi AV Scanner detection for dropped file 12->62 64 Machine Learning detection for dropped file 12->64 66 Injects a PE file into a foreign processes 12->66 22 RegSvcs.exe 12->22         started        24 schtasks.exe 12->24         started        26 RegSvcs.exe 12->26         started        signatures6 process7 dnsIp8 44 mail.bezzleauto.com 45.151.123.240, 25, 49715, 49717 STUMPNERNETDE Germany 14->44 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->68 30 conhost.exe 18->30         started        70 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->70 72 Tries to steal Mail credentials (via file / registry access) 22->72 74 Tries to harvest and steal browser information (history, passwords, etc) 22->74 32 conhost.exe 24->32         started        34 conhost.exe 28->34         started        36 conhost.exe 28->36         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-29 11:31:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
19 of 23 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eykelr7emjqojps2ct2gandyujv3ngzrldebdf6ge6dpio7cte4q._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/231129-ql79fsge5x/
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:
dc2a31ebcef7e1b02ef0b2237da0e126dfebaa6a6336f829c0194b89793e239b
MD5 hash:
3d9dd0ed4f6deb6ad320d84fa5a40542
SHA1 hash:
f2daf79f4bfd1118856e13e1487c99259415d39e
Link:
https://www.unpac.me/results/8c41c6e1-378d-4a2c-8c81-9b80c054f06d/
SH256 hash:
e88a0ecd8a546b81993a01d5b181a76b677fd22489b221456dbce358202947e1
MD5 hash:
384cfbef6fbbdbead98fc4cca80b3366
SHA1 hash:
850cb66538638faaf0b02be400c68e6de7ec873c
Link:
https://www.unpac.me/results/8c41c6e1-378d-4a2c-8c81-9b80c054f06d/
SH256 hash:
b363b408508f17bade5c83465a0f6b2b856a6f3443ad488284c8b11fb99bc46d
MD5 hash:
c65c13c3999c2f9d0299b7ca1a8b395d
SHA1 hash:
6da0808c3f2bec2a820686eb5cf959d7c01ec3f5
Detections:
AgentTesla
Create hunting rule
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/8c41c6e1-378d-4a2c-8c81-9b80c054f06d/
Parent samples :
864fd318ac33d9788aaaa7ec0414ace672ca381ef2f7d4d878e3e4789c9b8976
e16c1dfcd46162a057a38ddc99698d28e9da15d37d15cce27dd49b0411f95556
261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939
242c9fcb4922c50dec24989b8994de592f9c3eab91b64196f106a54cf89ba61f
391085720087ca47539076781ecfb5e4027f3c89bb19097b0c3d9e599cc6b6cd
d9961b923d5187cab6c6216a4de0f61a03a24fd3cf6765a5c3eb0963e05f580c
91ff3998adf51757d7580e1c190ff9f4c12e9b2de48b56c7507824753a9930e2
502d7ec69173cc68e242caf59956a90e519dad247b118c60394be96c9474f2d3
d11d805c3dab49566aad8dfe6d9bbd1c206918980870792ed9d496e8836aefe6
2992b737cc487bae341eee8c6b11377b5baaace7ee2904ba6e4c91c542f1a515
SH256 hash:
10702f6e8d0e9bd9bda056a22ae311e60b0b60c058b7e594958cb8c51d489244
MD5 hash:
a723d0027975837031c55f948b3bb20e
SHA1 hash:
5d55eb29a0a70615e821586b58beab61bfe2cb16
Link:
https://www.unpac.me/results/8c41c6e1-378d-4a2c-8c81-9b80c054f06d/
SH256 hash:
261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939
MD5 hash:
5a64c96ccd06ca43c155577a49a77420
SHA1 hash:
88c7b0e46c77982490ac3479e81c97f017b751f4
Link:
https://www.unpac.me/results/8c41c6e1-378d-4a2c-8c81-9b80c054f06d/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/261445c7e462/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/261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939

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

7z 448de9e091aaf9286c4e6072c4c1cec1571bdfd87e39a81c7a9f0899c59dd357

AgentTesla

Executable exe 261445c7e46260e4be5a14f4603478a26bb69b3158c81197c62786f43be29939

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 448de9e091aaf9286c4e6072c4c1cec1571bdfd87e39a81c7a9f0899c59dd357
Cape
Cape
https://www.capesandbox.com/analysis/461192/
  
Dropped by
MD5 727c58ccb4c2f587307f0757459728ca

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