MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f33f2b0823a6b41f1632f5d19ebe4d144375781702b3f7b544c6321937f28161. 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



PureCrypter


Vendor detections: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: f33f2b0823a6b41f1632f5d19ebe4d144375781702b3f7b544c6321937f28161
SHA3-384 hash: a84bca16bcd4337fb0f6439088f62da1920dbc2a9e29cc34ac7010768c49aaefddf754a1fbb8e228ee709129d8f5a708
SHA1 hash: b4c24de8784bb530d549ed1df3716f2640e52d79
MD5 hash: e453ee4e1a1a3c97ebab67171893ae7f
humanhash: september-lima-oxygen-mirror
File name:e453ee4e1a1a3c97ebab67171893ae7f.exe
Download: download sample
Signature PureCrypter
File size:2'537'984 bytes
First seen:2023-02-01 15:58:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:bRPs+XkKb9mSewZPhGDcUovKdd+hHHafaQG0:dPD/tFKdd+ZafaZ0
Threatray 19'039 similar samples on MalwareBazaar
TLSH T181C5AFB3F7295E65E83E88367948E002817A2D3159524D1FE8F4F58A76272E37EE3710
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 abuse_ch
Tags:exe purecrypter

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e453ee4e1a1a3c97ebab67171893ae7f.exe
Verdict:
Malicious activity
Analysis date:
2023-02-01 16:06:53 UTC
Tags:
zgrat

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

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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 very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to register a low level keyboard hook
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 796329 Sample: 0JCYVB1t0z.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 67 Antivirus / Scanner detection for submitted sample 2->67 69 Multi AV Scanner detection for submitted file 2->69 71 Yara detected AgentTesla 2->71 73 4 other signatures 2->73 7 0JCYVB1t0z.exe 1 5 2->7         started        11 Ionqujnzumi.exe 2 2->11         started        13 Ionqujnzumi.exe 1 2->13         started        process3 file4 39 C:\Users\user\AppData\...\Ionqujnzumi.exe, PE32 7->39 dropped 41 C:\Users\...\Ionqujnzumi.exe:Zone.Identifier, ASCII 7->41 dropped 43 C:\Users\user\AppData\...\0JCYVB1t0z.exe.log, ASCII 7->43 dropped 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->75 77 May check the online IP address of the machine 7->77 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->79 81 Contains functionality to register a low level keyboard hook 7->81 15 0JCYVB1t0z.exe 15 2 7->15         started        19 powershell.exe 16 7->19         started        83 Antivirus detection for dropped file 11->83 85 Multi AV Scanner detection for dropped file 11->85 87 Machine Learning detection for dropped file 11->87 21 Ionqujnzumi.exe 11->21         started        23 powershell.exe 11->23         started        25 Ionqujnzumi.exe 11->25         started        31 2 other processes 11->31 89 Encrypted powershell cmdline option found 13->89 91 Injects a PE file into a foreign processes 13->91 27 Ionqujnzumi.exe 13->27         started        29 powershell.exe 13->29         started        signatures5 process6 dnsIp7 45 smtp.yandex.ru 77.88.21.158, 49699, 49703, 49704 YANDEXRU Russian Federation 15->45 47 api4.ipify.org 64.185.227.155, 443, 49698, 49701 WEBNXUS United States 15->47 55 2 other IPs or domains 15->55 59 Installs a global keyboard hook 15->59 33 conhost.exe 19->33         started        49 192.168.2.1 unknown unknown 21->49 51 smtp.yandex.com 21->51 53 api.ipify.org 21->53 35 conhost.exe 23->35         started        57 2 other IPs or domains 27->57 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->61 63 Tries to steal Mail credentials (via file / registry access) 27->63 65 Tries to harvest and steal browser information (history, passwords, etc) 27->65 37 conhost.exe 29->37         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Heracles
Status:
Malicious
First seen:
2023-01-31 17:24:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
Result
Malware family:
purecrypter
Score:
  10/10
Tags:
family:purecrypter collection downloader loader persistence spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Detect PureCrypter injector
PureCrypter
Unpacked files
SH256 hash:
4f20f9e8beff23a27ae7097a471389ee8031e6b3bf2ebe933788b2482f9e96ef
MD5 hash:
ede3fd43c2cd840a545a3b6b2ff6c5f8
SHA1 hash:
592176b3fa7afe1c004c813202bdcb2fb1452019
SH256 hash:
f33f2b0823a6b41f1632f5d19ebe4d144375781702b3f7b544c6321937f28161
MD5 hash:
e453ee4e1a1a3c97ebab67171893ae7f
SHA1 hash:
b4c24de8784bb530d549ed1df3716f2640e52d79
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.

Comments