MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28cf84cec3365be04caad4db5226648e4b7985928198dd05b9a11d6a0f1975ca. 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 6 File information Comments

SHA256 hash: 28cf84cec3365be04caad4db5226648e4b7985928198dd05b9a11d6a0f1975ca
SHA3-384 hash: d09461bb0382765ebb470cdd8920530da5ee64143e130996068604b0d94bbe88ffe1e370f4f0ee36dd333ef1fb7ff737
SHA1 hash: 52fb1b7273245ca0ded381612c275adedef208cf
MD5 hash: b8c4c01af54105fef68157252a11bb69
humanhash: twenty-lemon-two-single
File name:contactzx.exe
Download: download sample
Signature AgentTesla
File size:588'800 bytes
First seen:2023-07-12 09:25:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:OhPkE4r0/NVQVvnNTSCojlsO7mbOwOe5wiyz:gXwSqVPNT+lBmqwBwiy
Threatray 4'987 similar samples on MalwareBazaar
TLSH T16EC42301127A1713C56B8BFE20B0127497FA62D97D34C2D78C92B6DEDAB5B058A05F37
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter Anonymous
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
294
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
contactzx.doc
Verdict:
Malicious activity
Analysis date:
2023-07-12 09:27:25 UTC
Tags:
exploit cve-2017-11882 agenttesla stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
DNS request
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo jigsaw packed
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
Found malware configuration
Machine Learning detection for sample
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
Snort IDS alert for network traffic
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-07-12 09:26:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger 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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
a103a970a7cd8be0fbe123a6a7abdfe4779a0786fda636fc96673492c4691e7e
MD5 hash:
2f0ec664f81bd7e8e33fd00c238320cc
SHA1 hash:
b0472a4b7f0bc69100a43a24214cf796af2496bb
SH256 hash:
9b5f3152d29878c7d270bd7293b1e4ffa9db7475f9ef0c5cecef50a9787a479d
MD5 hash:
4a5fd9f63177577ae733882115fb6591
SHA1 hash:
af5d3d56b4a7191fb1fd308f9c4981b6ac8aa399
Detections:
AgentTeslaXorStringsNet
SH256 hash:
3e24c77fe108059f14fe61b8400c5fe023dc2b0ec7c4fe23fa9911681086f7a9
MD5 hash:
a5228b97b33467ac41fac5cac2718252
SHA1 hash:
28bb020c8a53b046fc8e8106f2913e62c5941a0d
SH256 hash:
0644b81a065785be915e6ee5367471801146a522ef228cee32416b2c31264564
MD5 hash:
718bb1176aa6868fec22bd1288049279
SHA1 hash:
1cc7f406b5381a06dbbb68b5ea575413e7bb5647
SH256 hash:
28cf84cec3365be04caad4db5226648e4b7985928198dd05b9a11d6a0f1975ca
MD5 hash:
b8c4c01af54105fef68157252a11bb69
SHA1 hash:
52fb1b7273245ca0ded381612c275adedef208cf
Malware family:
AgentTesla
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:Rony (r0ny_123)
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: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.

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