Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
02/11/2024, 04:11
Static task
static1
Behavioral task
behavioral1
Sample
Quotation.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Quotation.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/System.dll
Resource
win7-20240903-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20241007-en
General
- Target Quotation.exe
- Size 1.1MB
- Sample241102-esbnaazapq
- SHA256 6d3bda97722c347d083d7127f23eae6f28e86ee31a8b9b643826a44bdc97be69
- MD5 eaad92690f4cc140b25affb391767c48
- SHA1 2f161c2e596eaca3f903f56fc24561c610ce0bcc
- SHA512 b9755a349d09904ed4f1c702353e9f8c3e8b4063f25eb349695452bcce1f930b3473ce1a0c3f4b1749e8afbc643fc87e253188e33182c2ff0ee50ef23de67c80
- SSDEEP 24576:z4nhDoAFq/DZt9+jNcwHCBNFSgaEMZNXLGQ7WczkxFnfbP9b:z+hkxlijusC5SxHNXKQKczgF
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.showpiece.trillennium.biz
-
Port
587
-
Username
-
Password
3KJ[T.3]fsSW
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Loads dropped DLL 1 IoCs
pid Process 380 Quotation.exe - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
flow ioc 39 drive.google.com 40 drive.google.com - Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 52 api.ipify.org 53 api.ipify.org - Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 1968 Quotation.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 380 Quotation.exe 1968 Quotation.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 380 set thread context of 1968 380 Quotation.exe 94 - Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\brisantgranatens\baegersvamp.For Quotation.exe File opened for modification C:\Program Files (x86)\Common Files\Azonic255\lithoclase.ini Quotation.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Quotation.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Quotation.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1968 Quotation.exe 1968 Quotation.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 380 Quotation.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1968 Quotation.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1968 Quotation.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 380 wrote to memory of 1968 380 Quotation.exe 94 PID 380 wrote to memory of 1968 380 Quotation.exe 94 PID 380 wrote to memory of 1968 380 Quotation.exe 94 PID 380 wrote to memory of 1968 380 Quotation.exe 94 PID 380 wrote to memory of 1968 380 Quotation.exe 94
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:380 -
C:\Users\Admin\AppData\Local\Temp\Quotation.exe"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1968
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\nss67C4.tmp\System.dll
- Size 12KB
- SHA256 f917aef484d1fbb4d723b2e2d3045cb6f5f664e61fbb3d5c577bd1c215de55d9
- MD5 d6f54d2cefdf58836805796f55bfc846
- SHA1 b980addc1a755b968dd5799179d3b4f1c2de9d2d
- SHA512 ce67da936a93d46ef7e81abc8276787c82fd844c03630ba18afc3528c7e420c3228bfe82aeda083bb719f2d1314afae913362abd1e220cb364606519690d45db
- SSDEEP 192:acA1YOTDExj7EFrYCT4E8y3hoSdtTgwF43E7QbGPXI9uIc6w79Mw:RR7SrtTv53tdtTgwF4SQbGPX36wJMw
- MD5 SHA1 SHA512 SSDEEP