MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724
SHA3-384 hash: c6bb72a5ac81db5e600b42a5890f6197e04278773d7a3bb5f59a93bc067fc671edebc4ecbc8d027b6f86c5cb24f837a6
SHA1 hash: 4f4bd4f230b2d2bc6f140d38f8c301a3264747a0
MD5 hash: 73af2b313925da0e49f1c99e1b51ec4b
humanhash: september-hawaii-seven-sink
File name:Payment Status.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:911'872 bytes
First seen:2023-11-20 21:14:38 UTC
Last seen:2023-11-21 07:43:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:ve4ucqeAete6Fnj5k359f5fHi/dkGxris1q:3ucN3Fnjw53exel
TLSH T1FD15CFC4E54416A0DD6DA771AA36CE3106237DBDA838D52CACDE7D2B3BBB7835011923
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 d4c4c4d8ccd4f0cc (241 x AgentTesla, 65 x Loki, 41 x Formbook)
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Payment Status.exe
Verdict:
Malicious activity
Analysis date:
2023-11-20 21:17:05 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/f3a23bdc-2fe5-408f-8c2c-71f51a48495d

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/459396/
Detection(s):
Porcupine.Malware.58887.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
Forced shutdown of a system process
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/655bcc5815cd82a1c997ad76/reports/9ee97074-d4b2-4693-ad9b-48579f943dba/overview
Verdict:
Malicious
Labled as:
Ransom.CryptoJoker.Generic
Link:
https://www.hybrid-analysis.com/sample/bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724
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/dbc6a598-d64b-4080-b81b-31108f53227b
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345461
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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: 1345461 Sample: Payment_Status.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 40 mail.bezzleauto.com 2->40 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 11 other signatures 2->50 8 Payment_Status.exe 7 2->8         started        12 yoLxZmTZYPo.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\yoLxZmTZYPo.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3768.tmp, XML 8->38 dropped 52 Uses schtasks.exe or at.exe to add and modify task schedules 8->52 54 Writes to foreign memory regions 8->54 56 Allocates memory in foreign processes 8->56 62 2 other signatures 8->62 14 RegSvcs.exe 2 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        58 Multi AV Scanner detection for dropped file 12->58 60 Machine Learning detection for dropped file 12->60 24 RegSvcs.exe 12->24         started        26 schtasks.exe 12->26         started        signatures6 process7 dnsIp8 42 mail.bezzleauto.com 45.151.123.240, 25, 49708, 49711 STUMPNERNETDE Germany 14->42 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->64 66 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->66 68 Tries to steal Mail credentials (via file / registry access) 14->68 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        70 Tries to harvest and steal browser information (history, passwords, etc) 24->70 34 conhost.exe 26->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724/
Threat name:
Win32.Ransomware.CryptoJoker
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 17:19:18 UTC
File Type:
PE (.Net Exe)
Extracted files:
50
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6iykjmiaegmutfivixudfjr35u2nzkfj5dr5ozoqywbpom6k4sa._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/231120-z3v5wsba7w/
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:
551176b242d6e76e0f131d931e09c9fc40a0237f86c5ba8542671d73c1756de2
MD5 hash:
7f93e9127ec3c04d71f3f713efa4850a
SHA1 hash:
e35939fb765098b51bcac1ba13b3f6ac3190c80c
Link:
https://www.unpac.me/results/8ad8808b-b0e1-4ff6-acdd-be64858f8fc6/
SH256 hash:
fced22b9297b650d1de7971e6b8b7cc806540ecd780103c367bdd0e5af3b16fd
MD5 hash:
f66be4a135598aa280be66182272ba8d
SHA1 hash:
c8d48fa8952f12468395e036731b342a7c47a8ad
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/8ad8808b-b0e1-4ff6-acdd-be64858f8fc6/
Parent samples :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 hash:
01f38bb4dc7f1787a239efdc7352a89b75c963bcb8227c347654879108330b9f
MD5 hash:
b1a6cdf7a2dd47e5972db92038455bcf
SHA1 hash:
b81f5c89e596726159a6b8f9915980466eeeedd6
Link:
https://www.unpac.me/results/8ad8808b-b0e1-4ff6-acdd-be64858f8fc6/
SH256 hash:
c34dfbc328de247d25d670c3b7853f1dddd2ec2607d5dbb0480743b45a15ea64
MD5 hash:
85b87384830444e6ab86a4a692ce96cc
SHA1 hash:
0d7d4614cf31d27e68ebf48e76fb1d308cc08152
Link:
https://www.unpac.me/results/8ad8808b-b0e1-4ff6-acdd-be64858f8fc6/
SH256 hash:
bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724
MD5 hash:
73af2b313925da0e49f1c99e1b51ec4b
SHA1 hash:
4f4bd4f230b2d2bc6f140d38f8c301a3264747a0
Link:
https://www.unpac.me/results/8ad8808b-b0e1-4ff6-acdd-be64858f8fc6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf9185258801/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/bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724

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: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: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 83a74d50b000f0b0fb35ad6a95ce49406451ee25031dbca37810eaabb8629bc6

AgentTesla

Executable exe bf91852588010cca4ca8aa2f419531df69a6e5454f471ebb2e862c17b99e5724

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/459396/
  
Dropped by
SHA256 83a74d50b000f0b0fb35ad6a95ce49406451ee25031dbca37810eaabb8629bc6
  
Dropped by
MD5 28cef3687dd0d1af18dd3f875bbcc05d

Comments