MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5. 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 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5
SHA3-384 hash: 7295b5024bdbefd12f3762006a05de4a37305b7f3bd15ff4aa3dfb0ebc78d2623fa6952a523670eaf8ce5621bbbd78b4
SHA1 hash: 281dbe2d4944251fc6a56857cc507340c82209d3
MD5 hash: 505c96d98649414e578b1f7fccfcae74
humanhash: lactose-zebra-moon-indigo
File name:payment confirmation.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:504'320 bytes
First seen:2023-10-26 10:17:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:3Cj+3CjumFgGieMsijyiPtXJoNrF/n/0Snm:owcDCGi7siRlGNR/Zm
Threatray 817 similar samples on MalwareBazaar
TLSH T194B4CE5935EB219AF036EBF2C7992FCC8BEAF7F6622FF9597D8506424021C41DB12421
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter cocaman
Tags:AgentTesla exe payment

Intelligence

File Origin
# of uploads :
1
# of downloads :
338
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
payment confirmation.pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-10-26 10:58:12 UTC
Tags:
stealer agenttesla
Link:
https://app.any.run/tasks/23b03aa4-bd0a-486a-b50e-06c6208547c3

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/456510/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.63267.16833.31977.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Launching the default Windows debugger (dwwin.exe)
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/653a3cdcb38131f117a88aa1/reports/a8a6313c-925b-455b-83a2-fa5a66e09a0e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5
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/4022b4e4-0f65-4e16-b3d1-268cbc48a443
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1332601
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large strings
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1332601 Sample: payment_confirmation.pdf.exe Startdate: 26/10/2023 Architecture: WINDOWS Score: 100 38 discord.com 2->38 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Sigma detected: Scheduled temp file as task from temp location 2->46 48 10 other signatures 2->48 8 eZsUzBjKGykdfE.exe 5 2->8         started        11 payment_confirmation.pdf.exe 6 2->11         started        signatures3 process4 file5 50 Multi AV Scanner detection for dropped file 8->50 52 Machine Learning detection for dropped file 8->52 54 Writes to foreign memory regions 8->54 60 2 other signatures 8->60 14 RegSvcs.exe 2 8->14         started        17 schtasks.exe 1 8->17         started        19 RegSvcs.exe 8->19         started        34 C:\Users\user\AppData\...\eZsUzBjKGykdfE.exe, PE32 11->34 dropped 36 C:\Users\user\AppData\Local\...\tmpFBD3.tmp, XML 11->36 dropped 56 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->56 58 Uses schtasks.exe or at.exe to add and modify task schedules 11->58 21 RegSvcs.exe 15 2 11->21         started        24 schtasks.exe 1 11->24         started        signatures6 process7 dnsIp8 62 Tries to harvest and steal browser information (history, passwords, etc) 14->62 26 WerFault.exe 14->26         started        28 conhost.exe 17->28         started        40 discord.com 162.159.137.232, 443, 49713, 49716 CLOUDFLARENETUS United States 21->40 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 21->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->66 68 Tries to steal Mail credentials (via file / registry access) 21->68 30 WerFault.exe 23 16 21->30         started        32 conhost.exe 24->32         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-10-24 02:50:38 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x4voysdhfh274rd7q22hhugrqwrhnqart32cdxofh2z4bdoiptkq._file
Verdict:
malicious
Similar samples:
3bac14e1cf7531bfb5bc8f41a553df5f23bf6accb20e55bf14b498d781d61db3
AgentTesla
4114485fdfbe256596299210254db82ebe399c7bcee81127b6e5a9b098f2f5d8
AgentTesla
67cc89f84a6e88f1b74bce29e680fb2e64d1a0104330ea9dd1cf5770d63cf436
AgentTesla
cfadc51764727f6575af7a0c5ca579c99bc062ce94d67dbb844f4a44bd1d1711
AgentTesla
e6b6f23895185671a91e377fb4a48b3cd934092daf0409559e0f5c7f22949c5f
AgentTesla
ea652ce006bdff45184664a2c691ca5c6256fc1a686dfa8721cf5a9d2e1f4593
AgentTesla
+ 807 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/231026-mbx4ysec31/
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
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1164504301004136538/mthHKOfB1I63beYFyOHDyCKi6hs6K4mGMegPv58UaFknoPRxy3jDDVnOGEbWz3LMUpMm
Unpacked files
SH256 hash:
031b601f6a22b56fffdb6a380de82fba270b648f69aec74dbc5886d9c654a4fb
MD5 hash:
e3c756f0163d69f8bf40b83f72d494d1
SHA1 hash:
de6d934ad17ab7b39a83ab736ea30e496da2a853
Detections:
win_agent_tesla_g2
Create hunting rule
Link:
https://www.unpac.me/results/d862eeb1-c5e6-451a-8093-a5ec243bf6f5/
Parent samples :
4114485fdfbe256596299210254db82ebe399c7bcee81127b6e5a9b098f2f5d8
bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5
SH256 hash:
0b4c93addb0071e4cc368bc5e46a535e2eafd360b5db8b6c87620d7225eade2d
MD5 hash:
e17d9bb18c1bf12de8c75fa570f4cf72
SHA1 hash:
97751a31524557387d136e0e42e204186d00b5dd
Link:
https://www.unpac.me/results/d862eeb1-c5e6-451a-8093-a5ec243bf6f5/
SH256 hash:
0e6cee42b9185e80a014afd3e79e11ef2305dcdb9b5ad0480396191eddb05e47
MD5 hash:
6599ed776db42dd4e572bd5fe88b8198
SHA1 hash:
400473663bc9c534fb0ea1d358346c6f9ce75e44
Link:
https://www.unpac.me/results/d862eeb1-c5e6-451a-8093-a5ec243bf6f5/
SH256 hash:
bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5
MD5 hash:
505c96d98649414e578b1f7fccfcae74
SHA1 hash:
281dbe2d4944251fc6a56857cc507340c82209d3
Link:
https://www.unpac.me/results/d862eeb1-c5e6-451a-8093-a5ec243bf6f5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf2aec486729/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/bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5

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:Discord_APIs
Create hunting rule
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_DiscordURL
Create hunting rule
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
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: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

7z 6a30bc128b311345bd8e31783099983c62905a98c251ccb935a208690388ee30

AgentTesla

Executable exe bf2aec486729f5fe447f86b473d0d185a276c0119ef421ddc53eb3c08dc87cd5

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 6a30bc128b311345bd8e31783099983c62905a98c251ccb935a208690388ee30
Cape
Cape
https://www.capesandbox.com/analysis/456510/
  
Dropped by
MD5 ad2fc18ee586898828d83b175f7e4164

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