MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9f8962e8fe80bbe7b1462f0c4d776abeb968a6c8f33fca3074a54b45d09ad9a. 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: 16


Intelligence 16 IOCs YARA 3 File information Comments

SHA256 hash: a9f8962e8fe80bbe7b1462f0c4d776abeb968a6c8f33fca3074a54b45d09ad9a
SHA3-384 hash: b414e9094cfb104cc5d4a5c5313cdca8d58adcbb609c28d3727269e495cc5b2067fe73c2ee9fd5995513c16386bee32e
SHA1 hash: 844c0a9df056cc6690c90814158859e0fe728394
MD5 hash: bfeee0c844094e78262beb304526f216
humanhash: eight-diet-leopard-solar
File name:QUOTATION SHEET_RFQ 564077 2024.5.17.exe
Download: download sample
Signature AgentTesla
File size:1'012'105 bytes
First seen:2024-05-22 14:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 70229c3a1d4b2e17d3131a0bf773a764 (4 x AgentTesla, 1 x SnakeKeylogger, 1 x Smoke Loader)
ssdeep 24576:Hf0htH9iGnLexsKea/NfBe+STqRd3wtsyUUmoXg:HidcGnax+a/N5dKyoXg
TLSH T1E325F18571AD98F4D9B7D13C9482D20AFA617C618361D7DF47A04B6B1F23AE0AC3EB41
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
381
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a9f8962e8fe80bbe7b1462f0c4d776abeb968a6c8f33fca3074a54b45d09ad9a.exe
Verdict:
Malicious activity
Analysis date:
2024-05-22 14:54:42 UTC
Tags:
telegram exfiltration stealer

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

Behaviour
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint masquerade overlay 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.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Contains functionality to log keystrokes (.Net Source)
Encrypted powershell cmdline option found
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)
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 harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Very long command line found
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1445838 Sample: QUOTATION SHEET_RFQ 564077 ... Startdate: 22/05/2024 Architecture: WINDOWS Score: 100 26 api.telegram.org 2->26 36 Snort IDS alert for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 44 12 other signatures 2->44 8 QUOTATION SHEET_RFQ 564077 2024.5.17.exe 2 2->8         started        signatures3 42 Uses the Telegram API (likely for C&C communication) 26->42 process4 signatures5 46 Very long command line found 8->46 48 Encrypted powershell cmdline option found 8->48 11 powershell.exe 15 8->11         started        14 conhost.exe 8->14         started        process6 signatures7 50 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->50 52 Writes to foreign memory regions 11->52 54 Injects a PE file into a foreign processes 11->54 16 RegSvcs.exe 15 2 11->16         started        20 WerFault.exe 20 16 11->20         started        22 conhost.exe 11->22         started        process8 dnsIp9 24 api.telegram.org 149.154.167.220, 443, 49705 TELEGRAMRU United Kingdom 16->24 28 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->28 30 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 16->30 32 Tries to steal Mail credentials (via file / registry access) 16->32 34 2 other signatures 16->34 signatures10
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2024-05-17 07:08:14 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla execution keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Suspicious use of SetThreadContext
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot7170832252:AAF_Vb1zK1ZjcPMY_oQJwptCJR2tZkpXYmo/
Unpacked files
SH256 hash:
a9f8962e8fe80bbe7b1462f0c4d776abeb968a6c8f33fca3074a54b45d09ad9a
MD5 hash:
bfeee0c844094e78262beb304526f216
SHA1 hash:
844c0a9df056cc6690c90814158859e0fe728394
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:meth_stackstrings
Author:Willi Ballenthin

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetTempPathA

Comments