MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cc440eff0de4c70b4427d2d0332dd8ccbadb36ead79bd1db5bc67b665bd3fe2. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: 8cc440eff0de4c70b4427d2d0332dd8ccbadb36ead79bd1db5bc67b665bd3fe2
SHA3-384 hash: c999f7edb0d4cea888e9f839eb09739fe6f2e3ae1b85bce2d5b6c90c88bc2967bf006672a21f17f5342ee87e48208aec
SHA1 hash: 19d3f1f51eede4e7c9bedd6e3efbdeb39a2c0f55
MD5 hash: 63d5a76a6fa8e241653df907c8f048e7
humanhash: william-single-south-texas
File name:Ödeme 31722.exe
Download: download sample
Signature PureCrypter
File size:19'968 bytes
First seen:2023-08-22 07:49:53 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 384:3TXhfwbvS+GPBXaJNM4smfzxmi/f4Fo1Y7rDfA:3dwYP4NMK3aU
Threatray 5'716 similar samples on MalwareBazaar
TLSH T13D922803B64C5A21D229CB3BC89FF5100775A285B413CB1EF45E230A6D433AADE86E4F
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:exe geo purecrypter TUR

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Ödeme 31722.exe
Verdict:
Malicious activity
Analysis date:
2023-08-22 08:10:04 UTC
Tags:
stealer agenttesla

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
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: Drops script at startup location
Snort IDS alert for network traffic
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 steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1294976 Sample: #U00d6deme_31722.exe Startdate: 22/08/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 10 other signatures 2->52 7 wscript.exe 1 2->7         started        9 #U00d6deme_31722.exe 15 6 2->9         started        process3 dnsIp4 14 Tkzorblw.exe 14 5 7->14         started        32 web.fe.1drv.com 9->32 34 onedrive.live.com 9->34 36 2 other IPs or domains 9->36 24 C:\Users\user\AppData\Roaming\Tkzorblw.exe, PE32 9->24 dropped 26 C:\Users\user\AppData\...\Tkzorblw.vbs, ASCII 9->26 dropped 58 Drops VBS files to the startup folder 9->58 60 Writes to foreign memory regions 9->60 62 Injects a PE file into a foreign processes 9->62 18 MSBuild.exe 14 2 9->18         started        file5 signatures6 process7 dnsIp8 38 web.fe.1drv.com 14->38 40 onedrive.live.com 14->40 44 2 other IPs or domains 14->44 64 Antivirus detection for dropped file 14->64 66 Multi AV Scanner detection for dropped file 14->66 68 Machine Learning detection for dropped file 14->68 74 2 other signatures 14->74 20 MSBuild.exe 14->20         started        42 discord.com 162.159.128.233, 443, 49731 CLOUDFLARENETUS United States 18->42 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->70 72 Tries to steal Mail credentials (via file / registry access) 18->72 signatures9 process10 dnsIp11 28 discord.com 20->28 30 162.159.135.232, 443, 49762 CLOUDFLARENETUS United States 20->30 54 Tries to steal Mail credentials (via file / registry access) 20->54 56 Tries to harvest and steal browser information (history, passwords, etc) 20->56 signatures12
Threat name:
ByteCode-MSIL.Trojan.Synder
Status:
Malicious
First seen:
2023-08-21 07:00:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
24 of 37 (64.86%)
Threat level:
  5/5
Result
Malware family:
purecrypter
Score:
  10/10
Tags:
family:purecrypter downloader loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Drops startup file
PureCrypter
Malware Config
C2 Extraction:
https://onedrive.live.com/download?resid=969678C66048EAA5%21285&authkey=!AC3E8HxO1kVosi0
Unpacked files
SH256 hash:
8cc440eff0de4c70b4427d2d0332dd8ccbadb36ead79bd1db5bc67b665bd3fe2
MD5 hash:
63d5a76a6fa8e241653df907c8f048e7
SHA1 hash:
19d3f1f51eede4e7c9bedd6e3efbdeb39a2c0f55
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: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

PureCrypter

Executable exe 8cc440eff0de4c70b4427d2d0332dd8ccbadb36ead79bd1db5bc67b665bd3fe2

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments