MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff
SHA3-384 hash: 40c3eea3516285dcf4ab027f8feddbd255ee0068a539de667b9fdaeb5b68ff62c614d38faa34c27f5d017bedda1d17ec
SHA1 hash: c12f03b346efcb38d264f5d6a93a8717dfd991a6
MD5 hash: d0443f3c5cb3943f18763fa71cb29012
humanhash: island-pasta-robin-failed
File name:SecuriteInfo.com.Win32.PWSX-gen.5345.12149
Download: download sample
Signature AgentTesla
Create hunting rule
File size:678'912 bytes
First seen:2023-12-12 10:18:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:DrS+4WpAEgy+DnFoNYSfBQU9Uyk+yDNQQL85r5kxN8iyV2Yd+:npAELYSOUuykFK5r5KhyA
Threatray 2'689 similar samples on MalwareBazaar
TLSH T1D9E422047766471FDAAB07B74053013807F4BC16AAA6E7CC9EE4A2EF05F6B41276427B
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f0c896b2b296e8f0 (19 x AgentTesla, 5 x Formbook, 2 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
304
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.5345.12149
Verdict:
Malicious activity
Analysis date:
2023-12-12 10:24:17 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/adf8ece1-5c25-44b4-938e-ea8e6572e067

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/466361/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5345.12149.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
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:
hook keylogger packed
Link:
https://www.filescan.io/uploads/6578339a8b5ba47db2dfc484/reports/ac37223f-3b97-4859-98cb-d4916d3a5d8c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff
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/342d49e6-083e-4c7e-9008-bc4bcb5fa29e
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1359981
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.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)
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)
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 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
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1359981 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 12/12/2023 Architecture: WINDOWS Score: 100 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 Sigma detected: Scheduled temp file as task from temp location 2->59 61 8 other signatures 2->61 7 SecuriteInfo.com.Win32.PWSX-gen.5345.12149.exe 7 2->7         started        11 MmRKwR.exe 2->11         started        13 BUsRXkd.exe 5 2->13         started        15 MmRKwR.exe 2->15         started        process3 file4 51 C:\Users\user\AppData\Roaming\BUsRXkd.exe, PE32 7->51 dropped 53 C:\Users\user\AppData\Local\...\tmp6493.tmp, XML 7->53 dropped 69 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->69 71 Uses schtasks.exe or at.exe to add and modify task schedules 7->71 73 Adds a directory exclusion to Windows Defender 7->73 17 SecuriteInfo.com.Win32.PWSX-gen.5345.12149.exe 1 5 7->17         started        21 powershell.exe 23 7->21         started        23 schtasks.exe 1 7->23         started        75 Machine Learning detection for dropped file 11->75 77 Injects a PE file into a foreign processes 11->77 25 MmRKwR.exe 11->25         started        35 2 other processes 11->35 27 BUsRXkd.exe 4 13->27         started        29 schtasks.exe 1 13->29         started        31 MmRKwR.exe 15->31         started        33 schtasks.exe 15->33         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->47 dropped 49 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->49 dropped 63 Tries to steal Mail credentials (via file / registry access) 17->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->65 37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 29->41         started        67 Tries to harvest and steal browser information (history, passwords, etc) 31->67 43 conhost.exe 33->43         started        45 conhost.exe 35->45         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-12 09:18:51 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdzvl5ids2vchhh2yetffksyrsaq6as3wt2a4iqicc6hw43um37q._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
3f479de77fd65ff82d89c44b941aedd81d9afe93093699e40ba82b02e058719a
AgentTesla
5dd670d5327b9d83c3c05af6398f3c468f7d5ce97752f657f2794545ab39b458
AgentTesla
621998b51ba77181795bd5bef94d625b69480b794e0bea36ec84beb435d67e00
AgentTesla
683f7a41a16eef118689f586af3dd3567509826570580ede387bce254a15d1f7
AgentTesla
b5deb3a04bc823e2177189360ba4b1cacaf393633d88512a338baccf2a8ac306
AgentTesla
+ 2'679 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla family:zgrat keylogger persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/231212-mchewscgb9/
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
Checks computer location settings
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
ebcbe836c5c25ae3c95e0c857edd2819f3f4bd4a7aa4e65bb39dd79bd1281df5
MD5 hash:
98262ee49fab58cbdcc437c41ee70999
SHA1 hash:
f89505b244e116ba63a94380b20c77bf04811ef2
Link:
https://www.unpac.me/results/a3d0a9cc-5c42-4db1-843b-7aec87c43113/
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/a3d0a9cc-5c42-4db1-843b-7aec87c43113/
SH256 hash:
a82657f7e2569d75fd38416f0d3cf13be551d8daee1358775b50e7fc6f962e45
MD5 hash:
daaddaab61405bd98dc553d86ed31545
SHA1 hash:
b2945b39e6182c64abc4e238791d7f363966b2e1
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/a3d0a9cc-5c42-4db1-843b-7aec87c43113/
Parent samples :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 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
Link:
https://www.unpac.me/results/a3d0a9cc-5c42-4db1-843b-7aec87c43113/
SH256 hash:
28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff
MD5 hash:
d0443f3c5cb3943f18763fa71cb29012
SHA1 hash:
c12f03b346efcb38d264f5d6a93a8717dfd991a6
Link:
https://www.unpac.me/results/a3d0a9cc-5c42-4db1-843b-7aec87c43113/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28f355f50396/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/28f355f50396aa239cfac12652aa588c810f025bb4f40e220810bc7b737466ff

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.

Cape
Cape
https://www.capesandbox.com/analysis/466361/

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