MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8. 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 5 File information Comments
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SHA256 hash: b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8
SHA3-384 hash: 5247c6f60cc1a50559b7c852394cd33801a6b23e8e5a0a152249d898d3febb2aab93f11711649ca8dea8e7e8ded96a8b
SHA1 hash: 18d0b490b8a97ce1573ccadbde1c2af57521f1a6
MD5 hash: f70ebcff67f43e47dd4da5222beeec28
humanhash: georgia-east-mockingbird-maryland
File name:Zamówienie Z2300056_pdf .scr
Download: download sample
Signature AgentTesla
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File size:198'656 bytes
First seen:2024-05-29 06:33:25 UTC
Last seen:2024-05-29 07:31:43 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 6144:o8K118D8K4EsutOdyvLf+a8SzeNxUeOs:Fw18D8K/nOdyvaiSFOs
TLSH T16614398DA3860565FADD0E37C6F19B2143B5DC229F5EC326388839B50D3B792AE83751
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) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f4f0dcecccd6c0e4 (2 x AgentTesla, 1 x RemcosRAT)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
389
Origin country :
PL PL
Vendor Threat Intelligence
Malware family:
agenttesla
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ID:
1
File name:
b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8.exe
Verdict:
Malicious activity
Analysis date:
2024-05-29 06:36:02 UTC
Tags:
opendir smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/69edeaab-48bf-4f73-b367-8f3581866206

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.973.22531.24909.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6656cc6a3d0e5a324e76586cwin7simulatehigh_evasion
Tags:
Network Stealth Agent
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8
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:
Generic Malware
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/327a9761-287d-463a-997f-71038960ca54
Result
Threat name:
AgentTesla, PureLog Stealer
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1448646
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
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 sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 ftp login credentials
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 (a lot of spaces)
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1448646 Sample: Zam#U00f3wienie Z2300056_pd... Startdate: 29/05/2024 Architecture: WINDOWS Score: 100 15 smtp.creolupatoto.it 2->15 17 smtpmaster116.serverlet.com 2->17 19 2 other IPs or domains 2->19 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 12 other signatures 2->33 7 Zam#U00f3wienie Z2300056_pdf                                                     .scr.exe 14 3 2->7         started        signatures3 process4 dnsIp5 21 103.186.66.98, 49701, 80 AARNET-AS-APAustralianAcademicandResearchNetworkAARNe unknown 7->21 35 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->35 37 Injects a PE file into a foreign processes 7->37 11 Zam#U00f3wienie Z2300056_pdf                                                     .scr.exe 2 7->11         started        signatures6 process7 dnsIp8 23 sasl116.shellrent.com 185.169.24.118, 49708, 587 XIRRADE Italy 11->23 25 api.ipify.org 172.67.74.152, 443, 49707 CLOUDFLARENETUS United States 11->25 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->39 41 Tries to steal Mail credentials (via file / registry access) 11->41 43 Tries to harvest and steal ftp login credentials 11->43 45 Tries to harvest and steal browser information (history, passwords, etc) 11->45 signatures9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
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Status:
Malicious
First seen:
2024-05-29 04:29:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wft3k46ou65jbdph5ta3r7hj2ju4i3o7iwu6jb5xgeq5klqugx4a._file
Verdict:
malicious
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/240529-hbrjysec88/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Looks up external IP address via web service
Reads WinSCP keys stored on the system
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:
b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8
MD5 hash:
f70ebcff67f43e47dd4da5222beeec28
SHA1 hash:
18d0b490b8a97ce1573ccadbde1c2af57521f1a6
Detections:
PureCrypter_Stage1
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
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Link:
https://www.unpac.me/results/8c71086f-2a18-4c6b-8225-9895969cefe9/
Malware family:
AgentTesla
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b167b573cea7/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/b167b573cea7ba908de7ecc1b8fce9d269c46ddf45a9e487b73121d52e1435f8

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:INDICATOR_EXE_Packed_SmartAssembly
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Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

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