MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452. 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 7 File information Comments
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SHA256 hash: e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
SHA3-384 hash: 669a150e3550d99f351c66f12025c791659639aa33e85864e3e9f4725e5d3d3936b9d45ceaf6220f1d55959336af69ed
SHA1 hash: fbac04ef1e0315bff71d908496309d731da30c75
MD5 hash: 81937e479c70381a7527b21693ab3e6c
humanhash: leopard-stream-hamper-spring
File name:Overdue Account.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:686'600 bytes
First seen:2024-04-29 10:31:18 UTC
Last seen:2024-04-29 11:44:34 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 12288:PBB778QJ5RBdmrRwANBlJi/l/XbBzN5L/ObdOC0uCnGbmSAnJGXuY7GzkR:ZBDB0rqclJeNvL/EpV5bmJKu0
Threatray 859 similar samples on MalwareBazaar
TLSH T14DE42391E2AC57A0F36F6FB96CDDA152CF7272670F60CF8A56C8E0CD8E85780941024B
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4018f9e960e20464 (19 x AgentTesla, 6 x Formbook, 2 x PureLogsStealer)
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
344
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 10:36:05 UTC
Tags:
smtp exfiltration stealer agenttesla
Link:
https://app.any.run/tasks/7a88bb08-ea83-40d2-958b-f66bd58819b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Creating a file in the %AppData% subdirectories
Reading critical registry keys
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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 overlay packed
Link:
https://www.filescan.io/uploads/662f7725c5dabc22b20c1d1f/reports/a10694b6-dca9-4eda-82df-5d6ae3531062/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
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/c953125a-db30-4435-a651-ba4d7ff21f55
Result
Threat name:
AgentTesla, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433287
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 array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension File Execution
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 (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
Yara detected Generic Downloader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1433287 Sample: Overdue Account.pdf.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 56 mail.nooshdaroodc.com 2->56 58 bg.microsoft.map.fastly.net 2->58 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 17 other signatures 2->76 8 Overdue Account.pdf.exe 7 2->8         started        12 kpSYqS.exe 5 2->12         started        14 chrome.exe 2->14         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 52 C:\Users\user\AppData\Roaming\kpSYqS.exe, PE32 8->52 dropped 54 C:\Users\user\AppData\Local\...\tmp1E78.tmp, XML 8->54 dropped 92 Writes to foreign memory regions 8->92 94 Allocates memory in foreign processes 8->94 96 Adds a directory exclusion to Windows Defender 8->96 98 Injects a PE file into a foreign processes 8->98 19 RegSvcs.exe 1 4 8->19         started        24 powershell.exe 23 8->24         started        26 powershell.exe 23 8->26         started        36 2 other processes 8->36 100 Antivirus detection for dropped file 12->100 102 Multi AV Scanner detection for dropped file 12->102 104 Machine Learning detection for dropped file 12->104 28 RegSvcs.exe 12->28         started        30 schtasks.exe 12->30         started        32 SIHClient.exe 12->32         started        64 192.168.2.16 unknown unknown 14->64 66 192.168.2.7, 123, 138, 443 unknown unknown 14->66 68 239.255.255.250 unknown Reserved 14->68 34 chrome.exe 14->34         started        38 2 other processes 17->38 file6 signatures7 process8 dnsIp9 60 mail.nooshdaroodc.com 5.144.130.35, 49704, 49720, 587 HOSTIRAN-NETWORKIR Iran (ISLAMIC Republic Of) 19->60 50 C:\Users\user\AppData\Roaming\...\boqXv.exe, PE32 19->50 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->78 80 Loading BitLocker PowerShell Module 24->80 40 conhost.exe 24->40         started        42 WmiPrvSE.exe 24->42         started        44 conhost.exe 26->44         started        82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->82 84 Tries to steal Mail credentials (via file / registry access) 28->84 86 Tries to harvest and steal ftp login credentials 28->86 88 Tries to harvest and steal browser information (history, passwords, etc) 28->88 46 conhost.exe 30->46         started        62 www.google.com 172.217.2.36, 443, 49708, 49709 GOOGLEUS United States 34->62 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->90 48 conhost.exe 36->48         started        file10 signatures11 process12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-04-29 02:08:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4sfxxg5fbvia6vuqeqjgul7ytao3cnjf743y5iqvdtunnn7e4rja._file
Verdict:
malicious
Label(s):
agenttesla_v4
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
18f44886b9280533487b58a1feab7a3ebb463718417109643467315250b460b3
AgentTesla
433327373b99264a0a5f11194a3722e1a53c832e837f0eab264f89306f9e42cb
AgentTesla
57cfb4702d6902a5848f4c9536381f46e1b1b4870f5df749ba4d3f15660e8947
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a0256620e6fca3aed48fb36d3d7d798e5d0f790bdfaf93e56a4b9471ade8f7e7
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e0581b57a7e87e38a5a0ebf8861f816a415bdcb037111f32ba4bdbdc78ca9be3
AgentTesla
+ 849 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240429-mkyf3sgh2w/
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
Checks computer location settings
AgentTesla
Unpacked files
SH256 hash:
580ef9d00e320c821e654d883987185b0159ec5f967a72c708e39f96754a21b8
MD5 hash:
a4601fd39dd947a4d379c492364ef193
SHA1 hash:
edf9f917dd7bd42fe1cd3a92acf631266f5a5d15
Link:
https://www.unpac.me/results/e7674762-11ba-4a74-89ee-7f21a24b0d71/
SH256 hash:
b2d76a3819e3f6467c875ad1e839592218575aecb244c21b1b4450e8690a8904
MD5 hash:
189324ffaf758f7404c874ebe8ad1bf7
SHA1 hash:
e77a316f6b96039c0fc8aa628b99b25df5afdcd9
Detections:
AgentTesla
Create hunting rule
win_agent_tesla_g2
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Agenttesla_type2
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
INDICATOR_EXE_Packed_GEN01
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Link:
https://www.unpac.me/results/e7674762-11ba-4a74-89ee-7f21a24b0d71/
Parent samples :
e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
df47764a3743f716aebeda76dcef39830373f2bee2e5f3f99f86d5fd74a0fd01
SH256 hash:
4909093c1045073940daf73778f88ce3e5d4dcbc0d69e3498ad4672c2e699013
MD5 hash:
28b43a10958caef0465f7b93be0a0d77
SHA1 hash:
9c85c1cb7f6face0a6c8d0a2d2314a99092d6554
Link:
https://www.unpac.me/results/e7674762-11ba-4a74-89ee-7f21a24b0d71/
SH256 hash:
2fc9fc0cfca16ca44fa3bc51db382afccfaffc6353863087e2d0b2de3e619bed
MD5 hash:
96156adffa223876cc6d5872635cb6a0
SHA1 hash:
6fc999cc389e8ab134352b62419347499a9cf9bf
Link:
https://www.unpac.me/results/e7674762-11ba-4a74-89ee-7f21a24b0d71/
SH256 hash:
e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452
MD5 hash:
81937e479c70381a7527b21693ab3e6c
SHA1 hash:
fbac04ef1e0315bff71d908496309d731da30c75
Detections:
INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Link:
https://www.unpac.me/results/e7674762-11ba-4a74-89ee-7f21a24b0d71/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e48b7b9ba50d/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/e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438
Create hunting rule
Author:ditekSHen
Description:Detects executables signed with stolen, revoked or invalid certificates
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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

Executable exe e48b7b9ba50d500f569024126a2ff8981db13525ff378ea2151ce8d6b7e4e452

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

Comments