MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5301092e1f1fc43f920e0901771c2fe86a781d1821349b4aedc98efd9fea546. 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 7 File information Comments

SHA256 hash: a5301092e1f1fc43f920e0901771c2fe86a781d1821349b4aedc98efd9fea546
SHA3-384 hash: 144d5353f9c466b04e454193e73ddb16ca51947d6f4ea53c4abb147c0a43e78ceae69b19c08cfa1b452e35632b7ceecb
SHA1 hash: 72c8d5222fbdee7afa6f6c254371c651a36ba3e3
MD5 hash: 4e1556d15b1f88185445eb309647204d
humanhash: red-whiskey-butter-september
File name:iGb5UaDhhN9hEpA.exe
Download: download sample
Signature AgentTesla
File size:694'272 bytes
First seen:2023-08-18 08:36:16 UTC
Last seen:2023-08-21 07:26:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:X/mHFFD9afn1QmCJy+CMHJYc7XemEUahmKQLVkgxTvd8u:vmX9S1QmCJbHJYc79EBhm9LVtTv
Threatray 5'576 similar samples on MalwareBazaar
TLSH T14BE4F08037ED6A47E8B6D6F950B9514143F67E2E3125E3DD2DC220DA19F2F408BA1B27
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 00c0c4caf2d6c400 (8 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
275
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
iGb5UaDhhN9hEpA.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 08:38:55 UTC
Tags:
stealer agenttesla

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
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Gathering data
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1293300 Sample: iGb5UaDhhN9hEpA.exe Startdate: 18/08/2023 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Sigma detected: Scheduled temp file as task from temp location 2->53 55 5 other signatures 2->55 7 iGb5UaDhhN9hEpA.exe 7 2->7         started        11 DuQixCLkE.exe 5 2->11         started        13 MmRKwR.exe 2->13         started        15 MmRKwR.exe 3 2->15         started        process3 file4 45 C:\Users\user\AppData\Roaming\DuQixCLkE.exe, PE32 7->45 dropped 47 C:\Users\user\AppData\Local\...\tmp420B.tmp, XML 7->47 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->63 65 Uses schtasks.exe or at.exe to add and modify task schedules 7->65 67 Adds a directory exclusion to Windows Defender 7->67 17 iGb5UaDhhN9hEpA.exe 2 5 7->17         started        21 powershell.exe 21 7->21         started        23 schtasks.exe 1 7->23         started        25 DuQixCLkE.exe 11->25         started        27 schtasks.exe 11->27         started        69 Injects a PE file into a foreign processes 13->69 29 MmRKwR.exe 13->29         started        31 schtasks.exe 13->31         started        signatures5 process6 file7 41 C:\Users\user\AppData\Roaming\...\MmRKwR.exe, PE32 17->41 dropped 43 C:\Users\user\...\MmRKwR.exe:Zone.Identifier, ASCII 17->43 dropped 57 Tries to steal Mail credentials (via file / registry access) 17->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->59 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        61 Tries to harvest and steal browser information (history, passwords, etc) 29->61 39 conhost.exe 31->39         started        signatures8 process9
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-08-18 08:37:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence spyware stealer
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
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
5bf4a35733e047ded9257716dc75cd6e055c34aeadb9a25fbf7cef84a99166ea
MD5 hash:
4cbe9d63bbec3127f530e5beea7580a9
SHA1 hash:
f772eda5f6f8f23b3ad24fb4ee920a5f275a7c0c
SH256 hash:
2ac2f55e15fd8da559f99925ceee9166ca978e94cbc53a5cb29bf02d0a76ac7f
MD5 hash:
1081db0b25581c7958e6fbff4d9aa64a
SHA1 hash:
bcb0e0fe844884a5b0d05cd3b0cc5fd7a5ff53b9
SH256 hash:
0550798f56d6a5e0b6194a7b99c5411d893de4e030b983c82c24a4321ae45c62
MD5 hash:
516b4efe547032c4ba36dd26812e9077
SHA1 hash:
398f7a39ce760d4b4b684567a8a09e5aee19f427
SH256 hash:
a5301092e1f1fc43f920e0901771c2fe86a781d1821349b4aedc98efd9fea546
MD5 hash:
4e1556d15b1f88185445eb309647204d
SHA1 hash:
72c8d5222fbdee7afa6f6c254371c651a36ba3e3
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 a5301092e1f1fc43f920e0901771c2fe86a781d1821349b4aedc98efd9fea546

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments