MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e42b0ae4e264c685e8314d49f942606669d0b7b4edf0b2268ed75011fbde2ecb. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments

SHA256 hash: e42b0ae4e264c685e8314d49f942606669d0b7b4edf0b2268ed75011fbde2ecb
SHA3-384 hash: 5bbaa9c574ad6b661e5edbe88861b1b6dda10a96d36347a0a418fead6ac2b519ed0b5a755d0ac3be5a90b0d6f9dda05e
SHA1 hash: dc56d7a8d4cc57f9f18f394a5c1fbb5b9c6119c1
MD5 hash: a3222ba355db0291508a92f11feadd1f
humanhash: two-hydrogen-diet-table
File name:Attached Quotation.exe
Download: download sample
Signature AgentTesla
File size:863'744 bytes
First seen:2023-12-13 08:14:18 UTC
Last seen:2023-12-13 10:16:48 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:Nfu8kWhyQShx1E4JLDNAPF90WsLoXOKP9Xv1WtF1BtX8wMZT:FCjQqrJLDOX0toXOGktBV4T
Threatray 1'917 similar samples on MalwareBazaar
TLSH T17F05A03D19F92227F175C2A6DFD0C527B260A5EBB1629964DCD643DA0307A07B9C323E
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)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
317
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Stealing user critical data
Unauthorized injection to a system process
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, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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 strings
Allocates memory in foreign processes
Found malware configuration
Initial sample is a PE file and has a suspicious name
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
Tries to harvest and steal browser information (history, passwords, etc)
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 zgRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2023-12-13 04:47:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
20 of 36 (55.56%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:zgrat collection keylogger rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
0fed3a3ebd62af85fcee0fb7bc1b60eb6bd8e8831cba2ba6488a8524bb11792d
MD5 hash:
6cf493132c95312e5a0df0ccdbba2dc8
SHA1 hash:
f39c66183162ef6a611bc634fe41f1a64eac57a1
Detections:
AgentTeslaXorStringsNet MSIL_SUSP_OBFUSC_XorStringsNet INDICATOR_EXE_Packed_GEN01
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
SH256 hash:
64b8efcb0c7b77fcdab7dcc77d0beccc3e3dc345c99910df97337adc792a3b36
MD5 hash:
a1e297bd6cd755708ac089ab9d7fbfd9
SHA1 hash:
55ffd0fe71cd26a41f28fb6e4d1806eaad0b8a87
SH256 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
SH256 hash:
e42b0ae4e264c685e8314d49f942606669d0b7b4edf0b2268ed75011fbde2ecb
MD5 hash:
a3222ba355db0291508a92f11feadd1f
SHA1 hash:
dc56d7a8d4cc57f9f18f394a5c1fbb5b9c6119c1
Malware family:
AgentTesla.v4
Verdict:
Malicious
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:AgentTeslaV4
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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
Rule name:Windows_Trojan_AgentTesla_a2d69e48
Author:Elastic Security

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe e42b0ae4e264c685e8314d49f942606669d0b7b4edf0b2268ed75011fbde2ecb

(this sample)

  
Delivery method
Distributed via e-mail attachment

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