MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments
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SHA256 hash: c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422
SHA3-384 hash: 0c45f89aca6dd061b94fd3af99866aa1e47a655c5760443c688dfa657d184822245134277a3ef100409a1fc664096230
SHA1 hash: 1b1f2e7764f9549fac5c3dd88aedb616b762d889
MD5 hash: e8555ba2eb0ebc66a017aa7f043d88bb
humanhash: mirror-alaska-zulu-king
File name:Proforma invoice#763429013.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:722'432 bytes
First seen:2024-05-31 07:41:52 UTC
Last seen:2024-05-31 08:30:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:12iNjJS4VGAIzkJZKCIQ/DzFwAdh0jX5ffVdOXiL9V8JgGHWV0/TrL6+RQrBx0C:11XScGAIzkLI+DeAMb5ffVdT8ZT/zCHD
Threatray 1'376 similar samples on MalwareBazaar
TLSH T18CE41390766C6B37C9FD87F1A060641183FB242F30D1E3AE9DC2A1EB1973B515662B53
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)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
328
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422.exe
Verdict:
Malicious activity
Analysis date:
2024-05-31 07:57:08 UTC
Tags:
evasion stealer agenttesla ftp exfiltration
Link:
https://app.any.run/tasks/4637a80b-7edd-4eb0-befa-f21d97f2f2d0

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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66597fc220ad30d2876776e2win7simulatehigh_evasion
Tags:
Banker Encryption Execution Generic Network Static Gensteal Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a window
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade packed
Link:
https://www.filescan.io/uploads/66597f4eae3ab1fab22cc9e3/reports/40d9dd63-cd40-4b2d-92a1-99b8f19fc74d/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422
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:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6778365-585e-4fba-9d5e-f10c02254140
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1450015
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Loading BitLocker PowerShell Module
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Silenttrinity Stager Msbuild Activity
Snort IDS alert for network traffic
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 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: 1450015 Sample: Proforma invoice#763429013.exe Startdate: 31/05/2024 Architecture: WINDOWS Score: 100 53 ip-api.com 2->53 55 ftp.kenvue.cam 2->55 61 Snort IDS alert for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 16 other signatures 2->67 8 Proforma invoice#763429013.exe 7 2->8         started        12 XXcBjpdKFSfrBw.exe 5 2->12         started        14 chrome.exe 2->14         started        16 chrome.exe 2->16         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\XXcBjpdKFSfrBw.exe, PE32 8->49 dropped 51 C:\Users\user\AppData\Local\...\tmpB1FF.tmp, XML 8->51 dropped 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->85 87 Writes to foreign memory regions 8->87 89 Allocates memory in foreign processes 8->89 97 2 other signatures 8->97 18 MSBuild.exe 16 4 8->18         started        23 powershell.exe 23 8->23         started        25 powershell.exe 23 8->25         started        27 schtasks.exe 1 8->27         started        91 Antivirus detection for dropped file 12->91 93 Multi AV Scanner detection for dropped file 12->93 95 Machine Learning detection for dropped file 12->95 29 MSBuild.exe 12->29         started        31 schtasks.exe 12->31         started        33 conhost.exe 14->33         started        35 conhost.exe 16->35         started        signatures6 process7 dnsIp8 57 ip-api.com 208.95.112.1, 49704, 49708, 80 TUT-ASUS United States 18->57 59 ftp.kenvue.cam 209.159.151.58, 21, 49706, 49709 IS-AS-1US United States 18->59 47 C:\Users\user\AppData\Roaming\...\chrome.exe, PE32 18->47 dropped 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->69 71 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->71 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->73 83 3 other signatures 18->83 75 Loading BitLocker PowerShell Module 23->75 37 conhost.exe 23->37         started        39 WmiPrvSE.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        77 Tries to steal Mail credentials (via file / registry access) 29->77 79 Tries to harvest and steal ftp login credentials 29->79 81 Tries to harvest and steal browser information (history, passwords, etc) 29->81 45 conhost.exe 31->45         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-05-30 07:50:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yuxpwn2mt2r5uftqxmc4hetr7onb6xenhv2ejjvrm7yo6k4weqra._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
9211ffc506f991806e5b6f9ad22c0032e0b3e77c158e24b3dc58d7e2eb1cd481
AgentTesla
c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422
AgentTesla
cbeea811df25ea3bda4ed2d8b965cfa8c135544d2ad0f4075047577739351e0a
AgentTesla
e8f449b9786d98a8030318f1db933037c01f77e7ffe3acc649191360c5e758f5
AgentTesla
fd80ef0c4a88f9aa002cb779a52d56a5b0bbaf1061fc2885fc35559ec3d16907
AgentTesla
+ 1'366 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla execution keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240531-jjnzgabe7w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Command and Scripting Interpreter: PowerShell
AgentTesla
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/12917a3b-a262-4b95-8fab-01e7fd6448e2
Unpacked files
SH256 hash:
c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422
MD5 hash:
e8555ba2eb0ebc66a017aa7f043d88bb
SHA1 hash:
1b1f2e7764f9549fac5c3dd88aedb616b762d889
Link:
https://www.unpac.me/results/9d357834-5fce-4618-887c-a0538ed36fbe/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c52efb374c9e/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/c52efb374c9ea3da1670bb05c39271fb9a1f5c8d3d7444a6b167f0ef2b962422

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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 (HIGH_ENTROPY_VA)high

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