MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da
SHA3-384 hash: 400d5329a61ad1bca1ce7a96e8428c75a842d4fa300a1ce2315c4adfe4bd9ff8572e4b59fa7c8e289342416ea5f2c1af
SHA1 hash: 52241fe4a01bfc57cea717856aea6f3d98810e0b
MD5 hash: 41a3c120ddd5bf56103d400a385d8146
humanhash: music-arizona-leopard-stream
File name:SecuriteInfo.com.Win32.PWSX-gen.27831.31298
Download: download sample
Signature AgentTesla
Create hunting rule
File size:637'440 bytes
First seen:2023-11-01 18:19:19 UTC
Last seen:2023-11-02 06:29:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:f1Bao2pULM9NrDi0pRou9QAq5YP/gMdLUIFxRLwp1BaqIgYXW5FDKdGF+:D49N60pRxQAqKgMdLUInVQbYzXW5F8Z
TLSH T14DD412283BF8C665C8AC77F6A0A0015403758B651A93F3AF1FD5BAF249B3B54CE144DA
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)
File icon (PE):PE icon
dhash icon 24d2d168e4687112 (3 x AgentTesla)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
404
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.27831.31298
Verdict:
Malicious activity
Analysis date:
2023-11-01 20:59:55 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/dd61d6aa-ed6e-41a0-ad9d-e93066302875

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/457687/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.27831.31298.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
keylogger packed
Link:
https://www.filescan.io/uploads/654296dcb38131f117ac5286/reports/598f2df8-bfb2-4875-8c27-d6bc36a6373a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/450ec354-ed90-4241-9c59-803e9e4e8037
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335650
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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: 1335650 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 59 mail.gcsho.com 2->59 61 api4.ipify.org 2->61 63 api.ipify.org 2->63 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Sigma detected: Scheduled temp file as task from temp location 2->73 75 6 other signatures 2->75 8 SecuriteInfo.com.Win32.PWSX-gen.27831.31298.exe 7 2->8         started        12 XjEsxDJpVpyWc.exe 5 2->12         started        14 CoUku.exe 2->14         started        16 CoUku.exe 2->16         started        signatures3 process4 file5 55 C:\Users\user\AppData\...\XjEsxDJpVpyWc.exe, PE32 8->55 dropped 57 C:\Users\user\AppData\Local\...\tmpB978.tmp, XML 8->57 dropped 85 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->85 87 Uses schtasks.exe or at.exe to add and modify task schedules 8->87 89 Adds a directory exclusion to Windows Defender 8->89 18 SecuriteInfo.com.Win32.PWSX-gen.27831.31298.exe 16 5 8->18         started        23 powershell.exe 23 8->23         started        35 4 other processes 8->35 91 Multi AV Scanner detection for dropped file 12->91 25 XjEsxDJpVpyWc.exe 12->25         started        27 schtasks.exe 12->27         started        29 CoUku.exe 14->29         started        31 schtasks.exe 14->31         started        33 CoUku.exe 16->33         started        37 2 other processes 16->37 signatures6 process7 dnsIp8 65 mail.gcsho.com 144.76.195.231, 49714, 49716, 49722 HETZNER-ASDE Germany 18->65 67 api4.ipify.org 104.237.62.212, 443, 49713, 49715 WEBNXUS United States 18->67 51 C:\Users\user\AppData\Roaming\...\CoUku.exe, PE32 18->51 dropped 53 C:\Users\user\...\CoUku.exe:Zone.Identifier, ASCII 18->53 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->77 79 Tries to steal Mail credentials (via file / registry access) 18->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->81 39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        83 Tries to harvest and steal browser information (history, passwords, etc) 33->83 45 conhost.exe 35->45         started        47 conhost.exe 35->47         started        49 conhost.exe 37->49         started        file9 signatures10 process11
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 15:49:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cm7wf5i335dk65ndxgjwiv5uopmoy23npoo7iwcr4xygz6c4qpna._file
Verdict:
malicious
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231101-wyq4ladd25/
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 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:
089f65fe2b8dc5761fb276add2ded97161733e0637fb69b232ea3d12333d63fe
MD5 hash:
50b32a2d8ef470ca4199c1b1ea714c58
SHA1 hash:
dbe177791b4b9d3facbd8d6acde1fc5d3d79e51d
Link:
https://www.unpac.me/results/bc63988e-867e-4749-ba80-6e764bec8f7f/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/bc63988e-867e-4749-ba80-6e764bec8f7f/
SH256 hash:
b99bf6f4027b2b382ad56ec4f238268a42501196b448fa74effc34eb0072405c
MD5 hash:
a67991e1801b23f415ab024e53a546db
SHA1 hash:
98e78441947c374c421c7e2087e6ff74e1860591
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/bc63988e-867e-4749-ba80-6e764bec8f7f/
Parent samples :
56201f646915a1f24dbb151b653b770290ca145e163999bc39a874bb174ec33b
133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da
466465672c119069b4414ad9a4bdf57ba08ad96851896e59562f32aa4b741d4d
086aa77498216f0c38c4318eb624819e6f79bc02194c4f90858da208b1572160
a91d29734ec4f9d8738c14872805f7e3d16898f45988a8502813988ab5c80bd0
b539f1f7156011eee9786885843a4fa5a3329cfafb00b07424bd3ead34d8d1d9
SH256 hash:
2fc6e7a93e0fbed4e6ca48c98af13c7339db7bff52a1bdce39b1c83c8e453878
MD5 hash:
af053f732b77a9c89118b0e73d2dd656
SHA1 hash:
64b34d32f5dca8ec21ffeceebe6d6c9dfc562c4d
Link:
https://www.unpac.me/results/bc63988e-867e-4749-ba80-6e764bec8f7f/
SH256 hash:
133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da
MD5 hash:
41a3c120ddd5bf56103d400a385d8146
SHA1 hash:
52241fe4a01bfc57cea717856aea6f3d98810e0b
Link:
https://www.unpac.me/results/bc63988e-867e-4749-ba80-6e764bec8f7f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/133f62f51bdf/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/133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da

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: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

zip 515d959eb7cc9c80e3d09af32828b3082aab0ce7e4399230052c802f2cbee0c0

AgentTesla

Executable exe 133f62f51bdf46af75a3b9936457b473d8ec6b6d7b9df45851e5f06cf85c83da

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/457687/
  
Dropped by
SHA256 515d959eb7cc9c80e3d09af32828b3082aab0ce7e4399230052c802f2cbee0c0
  
Dropped by
MD5 fed418a8690242d01e23f604f954546e

Comments