MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c
SHA3-384 hash: 802f609602281e8e216cfbe1f91bc99eae9a75f2ddfdedf513a5a5f75d0d5ce6ed6d4cfe389d51af4e37889c28e69e65
SHA1 hash: 221dd79a6b446fc059e8c2a3a835d323dc7f7de3
MD5 hash: c3af78c466127936893943c095f790e0
humanhash: monkey-echo-west-may
File name:IDR-500000000.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'619'968 bytes
First seen:2024-09-06 08:18:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:rnmA81BdYN+ZlMbEJPALsbH65YjtPjTgiEO3DuBseKTfasKkeaYd1d6KU4i3T+X0:IvZabE7aShPZPzuZMtsaYtt9Zkb
Threatray 1'315 similar samples on MalwareBazaar
TLSH T1AB75CF07BA46D9B1CEC86737C6DA000453B4E58267E3DB1A798EA3D63B437BB9C05607
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)
Magika pebin
Reporter ngokoptmp
Tags:AgentTesla exe scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
456
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
IDR-500000000.pdf
Verdict:
Malicious activity
Analysis date:
2024-09-06 07:24:14 UTC
Tags:
generated-doc netreactor evasion stealer smtp exfiltration
Link:
https://app.any.run/tasks/6681f7c1-1b79-431c-bf8a-ac0ed86ee702

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.7872.18691.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66dabaf98e12b8124ac95a40
Tags:
Execution Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade net_reactor packed packed
Link:
https://www.filescan.io/uploads/66dabafbeeeaa657e74a780c/reports/b6cc39f2-ae45-4663-81ab-bc227b11e12f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/937d2894-d7e5-4467-8acd-3aff3ab20229
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1505489
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Encrypted powershell cmdline option found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1505489 Sample: IDR-500000000.scr.exe Startdate: 06/09/2024 Architecture: WINDOWS Score: 100 38 nffplp.com 2->38 40 ip-api.com 2->40 42 198.187.3.20.in-addr.arpa 2->42 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 9 other signatures 2->68 8 IDR-500000000.scr.exe 1 5 2->8         started        12 Wnapf.exe 2 2->12         started        14 Wnapf.exe 2 2->14         started        signatures3 process4 file5 30 C:\Users\user\AppData\Roaming\Wnapf.exe, PE32 8->30 dropped 32 C:\Users\user\...\Wnapf.exe:Zone.Identifier, ASCII 8->32 dropped 70 Encrypted powershell cmdline option found 8->70 72 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->72 74 Writes to foreign memory regions 8->74 16 InstallUtil.exe 15 2 8->16         started        20 powershell.exe 23 8->20         started        76 Injects a PE file into a foreign processes 12->76 22 InstallUtil.exe 12->22         started        78 Multi AV Scanner detection for dropped file 14->78 80 Machine Learning detection for dropped file 14->80 24 InstallUtil.exe 14->24         started        signatures6 process7 dnsIp8 34 ip-api.com 208.95.112.1, 49707, 62744, 62746 TUT-ASUS United States 16->34 36 nffplp.com 163.44.198.71, 587, 62740, 62745 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 16->36 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->44 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->46 48 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 16->50 52 Loading BitLocker PowerShell Module 20->52 26 conhost.exe 20->26         started        28 WmiPrvSE.exe 20->28         started        54 Tries to steal Mail credentials (via file / registry access) 22->54 56 Tries to harvest and steal ftp login credentials 22->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 60 Installs a global keyboard hook 22->60 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c/
Threat name:
ByteCode-MSIL.Trojan.PureLogsStealer
Create hunting rule
Status:
Malicious
First seen:
2024-09-06 04:55:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5r5u6rp37rkv4jf36szpby3fs2k2bqnt55odimss5guzluyqr5ga._file
Verdict:
malicious
Similar samples:
379881346425e6120d1e9a79c068dde58ed25b72403b3fbdb0647879fca9b75b
AgentTesla
71e762ecac0d40f0f0dd22638eba76ad746059678409cd94aaaea8719aa42fc7
AgentTesla
85b919ece43dc0c15de0aef94314fadc1321dbe8c6c6a51bb2471571ae94541b
AgentTesla
abcdce91fde094dd2eeafa37e7cf5c8c9a880739b53ed0b882770cd55ee9fc52
AgentTesla
c269f3d4b6c6d32479b95fff909c48a537e808e9f21e3a4af6284e58c40108e1
AgentTesla
ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c
AgentTesla
+ 1'305 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access discovery persistence stealer
Link:
https://tria.ge/reports/240906-j7vrxswbpk/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Credentials from Password Stores: Credentials from Web Browsers
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ce9f0bb7-f903-4a52-9991-73218b3de8bd
Unpacked files
SH256 hash:
14b57a7b1dcf6a3a161d57d67d2c47c6536e8059e286943a124df1a3ea113109
MD5 hash:
f9007b63fd1b24a4b2c2ae503dc8ceba
SHA1 hash:
d15673ccc32455d3e1a17921acde4156841468b5
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
SH256 hash:
0e5010554e450e969c23a140dc29346e3460bd13fd2f3131fc3c674bf9b7bc69
MD5 hash:
059da95ac17cb6cbea020b74633c104a
SHA1 hash:
adfe94427878143048c57f27c35c56883db55f1a
Detections:
AgentTesla
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
SH256 hash:
fd3abd630a9d639698487dde25d6711bb6ae54f9949f00ea20db89297249533c
MD5 hash:
c61e3d1661e10f6325a300967fb25dc1
SHA1 hash:
66dd64e34715e9b78ce8fee2d7879d357f32c9b4
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
SH256 hash:
ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c
MD5 hash:
c3af78c466127936893943c095f790e0
SHA1 hash:
221dd79a6b446fc059e8c2a3a835d323dc7f7de3
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/6dc9b982-3be0-4592-a91e-ad53f7b2bf62/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ec7b4f45fbfc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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.

Web download

AgentTesla

Executable exe ec7b4f45fbfc555e24bbf4b2f0e3659695a0c1b3ef5c343252e9a995d3108f4c

(this sample)

  
Delivery method
Distributed via web download

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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