MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe. 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: 15


Intelligence 15 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
SHA3-384 hash: 7f3457fdf87be59b0fae048f9f87e1bef043f86500b488ddaf2ab0790c047b8fae47dd1db118127ba26200311fe92a4b
SHA1 hash: 8271a1b3fd3f1343c8cadbc975e0b9c986517936
MD5 hash: a09a723a238ef891b41f44249dd607a6
humanhash: network-low-wyoming-jupiter
File name:payment_swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:704'512 bytes
First seen:2023-11-28 08:09:38 UTC
Last seen:2023-11-28 16:36:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:33ot7HOC8xfA7o1NgT6Kw56CCbrllx631+TlC92e+4AmQmbCp:33+j58xfW2M701+ZQ2e
Threatray 2'622 similar samples on MalwareBazaar
TLSH T1AFE41351726D8B03E23B63F71D61A02007F86ADA64B2E36C5EC265EF6425F005F59E2F
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
303
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/460881/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30906.13726.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a window
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
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
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/ba6baf2f-f7ce-442e-9969-277d075e1e22
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1349115
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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)
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)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349115 Sample: payment_swift.exe Startdate: 28/11/2023 Architecture: WINDOWS Score: 100 35 us2.smtp.mailhostbox.com 2->35 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 11 other signatures 2->53 7 payment_swift.exe 3 2->7         started        10 Micosoft Excel 2023.exe 2 2->10         started        12 Micosoft Excel 2023.exe 3 2->12         started        signatures3 process4 signatures5 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->55 57 Injects a PE file into a foreign processes 7->57 14 payment_swift.exe 1 5 7->14         started        19 Micosoft Excel 2023.exe 10->19         started        21 Micosoft Excel 2023.exe 10->21         started        23 Micosoft Excel 2023.exe 2 12->23         started        25 Micosoft Excel 2023.exe 12->25         started        27 Micosoft Excel 2023.exe 12->27         started        29 conhost.exe 12->29         started        process6 dnsIp7 37 us2.smtp.mailhostbox.com 208.91.199.225, 49732, 49735, 49741 PUBLIC-DOMAIN-REGISTRYUS United States 14->37 31 C:\Users\user\...\Micosoft Excel 2023.exe, PE32 14->31 dropped 33 Micosoft Excel 2023.exe:Zone.Identifier, ASCII 14->33 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->43 45 Tries to harvest and steal browser information (history, passwords, etc) 19->45 file8 signatures9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-28 08:10:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbjxrs45av7sn4qcisaehuvymmiu2sbt33rcrsjt6z377zu5u37a._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
Similar samples:
61fb5f6fc20352e348f5546cee051a153310470b220df048b1b101bfb60454d5
AgentTesla
6a5c9a20549cf4dcbd4453faaadfebdccd4b7114b962afee485c658d18b2a1b6
AgentTesla
8900b70182eceee4057755ba7eed7194c24af4a423e9fcbe63cc2f9aa12913a0
AgentTesla
965ba13c271f1b9e9317c713d9b75e2fbe2d439610204e37f6142e166e58ac23
AgentTesla
9b04de1a758862073abec08019f6ad3b4671768a916335208504a09a168ef4de
AgentTesla
b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
AgentTesla
+ 2'612 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/231128-j2pnqagc82/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
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:
9b4782435f360ecc5faeb31e402c8ec44057a57b28073419aa8379a3c33c2c93
MD5 hash:
ccd0bcc6cc01923e5ddf4ba72fc8fa12
SHA1 hash:
f2d4bd262aa5a6e2cf439488c1cae3968ab8d34a
Link:
https://www.unpac.me/results/a1e1f4fe-fb5e-4966-a1ed-aade30e31a75/
SH256 hash:
2a0290a662e89a81ed2d9c73e54a0aeba209fc36617f134cf0aaa74690db47db
MD5 hash:
4820945deb84d6bd26460e8a6ba0c622
SHA1 hash:
c519540ad21594fa45fcc2e6e15cfbea8b3449b9
Link:
https://www.unpac.me/results/a1e1f4fe-fb5e-4966-a1ed-aade30e31a75/
SH256 hash:
7abc26e05286a38e8bd60f8c80d26a003a54b2ce0cae68044f526ef7cf5ae2d8
MD5 hash:
8dba42ae50179b40758be8ec501ae291
SHA1 hash:
7acd4083763f8f01c2993439dd7d7df276b898ab
Link:
https://www.unpac.me/results/a1e1f4fe-fb5e-4966-a1ed-aade30e31a75/
SH256 hash:
4ea24f918dbba7017a2cbd526de0db35a871af72bdc337da972c3e04b06cb7eb
MD5 hash:
5ed689a2fd6fbb968adec2622b67e69a
SHA1 hash:
4c3c211504d8fea17a24d9bf00114cf1842655af
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Link:
https://www.unpac.me/results/a1e1f4fe-fb5e-4966-a1ed-aade30e31a75/
Parent samples :
6a5c9a20549cf4dcbd4453faaadfebdccd4b7114b962afee485c658d18b2a1b6
9b04de1a758862073abec08019f6ad3b4671768a916335208504a09a168ef4de
b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
5d8c0938cae4b390ad96caae4ebbd81e488dff7210646eb5917455e3d098aa57
cab0d981559ec627b28ba927840774c66ccba4c7cea401d748ac398f0ab39c85
6eaee93f96963100221bee90dc15dc6d046951a7ce0a4aafe3ded7bbffa1b0e3
ec8b1cce7a848e87a0a99f285f5c457ebd1772cb0cf09e8589d325b77dedcd43
SH256 hash:
b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe
MD5 hash:
a09a723a238ef891b41f44249dd607a6
SHA1 hash:
8271a1b3fd3f1343c8cadbc975e0b9c986517936
Link:
https://www.unpac.me/results/a1e1f4fe-fb5e-4966-a1ed-aade30e31a75/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b85378cb9d05/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/b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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.

Malspam

AgentTesla

Executable exe b85378cb9d057f26f202448043d2b863114d4833dee228c933f677ffe69da6fe

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/460881/

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