MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d4c55ea1e9956cec3e77fb87826a4b70b967e80a1f48d0571dd4bc0bddbb3c43. 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 2 File information Comments

SHA256 hash: d4c55ea1e9956cec3e77fb87826a4b70b967e80a1f48d0571dd4bc0bddbb3c43
SHA3-384 hash: 9c3622743af5dcc3b8c4246a7c56f34f3f258236d9c8cafa2de6729b6d4bf4ecffdaf10b0c5ef1cf61aa1b0e6ae2a63d
SHA1 hash: 6f3ae20b37eb60f39e1eb3c0f9a207e0b4e06450
MD5 hash: 58c01930a4cb94fba781a7a07cc67a1c
humanhash: batman-undress-vermont-island
File name:Aviso de pago - (DS78B) Pago # 133060908_PDF.exe
Download: download sample
Signature AgentTesla
File size:1'171'456 bytes
First seen:2023-06-15 07:37:55 UTC
Last seen:2023-06-15 08:39:10 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:hbKMHK/e6OCYU73TzoW1lypqoKdD6eNHNNxBLZMHl:khd8i3TEW1lKAHNtNL
Threatray 5'446 similar samples on MalwareBazaar
TLSH T10445D43D9CBD4237A674C6A6CF94B826F094D3B731122D39A8D35285861BD4B3AC713E
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 abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
277
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Aviso de pago - (DS78B) Pago # 133060908_PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-06-15 07:42:26 UTC
Tags:
n/a

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
Сreating synchronization primitives
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed quasar
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 very large strings
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
May check the online IP address of the machine
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2023-06-14 20:33:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
19 of 36 (52.78%)
Threat level:
  2/5
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 SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
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:
c86845d40a2551aabd7ca700b6ba9c0a1644840c1d67e876b6da86b48c99e95e
MD5 hash:
60337550cf48258d7ca82ec822d8c5d0
SHA1 hash:
edba680cce9b134f3553678420ac908f3d558a03
SH256 hash:
80ebd0e1722f8d5bf32d29c378f0215071019b5da1d56b7a42e5216ee04eda5b
MD5 hash:
f7c263d62e8a80c9cabcc4acefa642f3
SHA1 hash:
cecba0f5cc86eee0a93c7e06373da3214980f1ca
SH256 hash:
c5292e88249c021018ea6248830be0755e44823adaa046b7740487739ed80aa6
MD5 hash:
846002c825d2ec3d32c189689d06699e
SHA1 hash:
7a2c1741362286c80b9bf2211a9d07828834cf77
SH256 hash:
f8dbc6077f6b01c6eec334061d687ff1b291a2aa5513cf1e0b5bde4a8dbc5588
MD5 hash:
15aab611795bcbf2758052944013be1a
SHA1 hash:
772a1002b111e117cf3b1e9f0cabda4894777399
SH256 hash:
650d4eb63d01cdfd2f9c47e14aba93d372d5f97e5fa2f63ff09e3dce62f6c44c
MD5 hash:
7daac13452cebd293f0d67d235e4d5e1
SHA1 hash:
60763e12a785cdbf5b2859ab9f8c1054b4c4307f
Detections:
AgentTeslaXorStringsNet
SH256 hash:
d4c55ea1e9956cec3e77fb87826a4b70b967e80a1f48d0571dd4bc0bddbb3c43
MD5 hash:
58c01930a4cb94fba781a7a07cc67a1c
SHA1 hash:
6f3ae20b37eb60f39e1eb3c0f9a207e0b4e06450
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: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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