agenttesla | f775611b5d45d3c13217c30f3792963894ecf0726a554188e5e2ee72077e6939

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
01-07-2024 03:05

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General

Target

无害.exe
Size

5.6MB
MD5

eb08619ed85a31118a80ce0a2f73f25f
SHA1

4289df26068458def91c876933e0483867625b2b
SHA256

f775611b5d45d3c13217c30f3792963894ecf0726a554188e5e2ee72077e6939
SHA512

b8f32587867025e11c6af73c8c3c7ba8f0ec2966cbd2a702240ab26c789ff791475d753ce53114d4c07dc0e2b2c79deba7ae1752d8ccca1ba6337d4a468e3fb0
SSDEEP

98304:F3AszIKgNQbnhi1ZKUZWFCGFR62sn+s0eFyVJPJuyacAlKWjR9qw4H9U:F3jzIRi1S+LFR6DZwrPJuplKWvgW

Score

10^/10

agenttesla evasion keylogger ransomware spyware stealer themida trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
AgentTesla payload 1 IoCs

Processes:

resource yara_rule

behavioral2/memory/2284-17-0x0000000010000000-0x0000000010214000-memory.dmp family_agenttesla
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

无害.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 无害.exe

resource	yara_rule
behavioral2/memory/2284-17-0x0000000010000000-0x0000000010214000-memory.dmp	family_agenttesla

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	无害.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

无害.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	无害.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	无害.exe

Themida packer 2 IoCs
Detects Themida, an advanced Windows software protection system.
themida

Processes:

resource yara_rule

behavioral2/memory/2284-12-0x0000000000400000-0x00000000013D0000-memory.dmp themida
behavioral2/memory/2284-13-0x0000000000400000-0x00000000013D0000-memory.dmp themida
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

无害.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 无害.exe
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
ransomware

Defacement
T1491

Modify Registry
T1112

Processes:

无害.exe

description ioc process

Set value (str) \REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\Desktop\Wallpaper = "C:\\hotpfp.jpg" 无害.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

无害.exe

pid process

2284 无害.exe

resource	yara_rule
behavioral2/memory/2284-12-0x0000000000400000-0x00000000013D0000-memory.dmp	themida
behavioral2/memory/2284-13-0x0000000000400000-0x00000000013D0000-memory.dmp	themida

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	无害.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2447855248-390457009-3660902674-1000\Control Panel\Desktop\Wallpaper = "C:\\hotpfp.jpg"	无害.exe

pid	process
2284	无害.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

无害.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	无害.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	无害.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion	无害.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

无害.exe

pid process

2284 无害.exe
2284 无害.exe
2284 无害.exe
2284 无害.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

无害.exe

description pid process

Token: SeDebugPrivilege 2284 无害.exe

pid	process
2284	无害.exe
2284	无害.exe
2284	无害.exe
2284	无害.exe

description	pid	process
Token: SeDebugPrivilege	2284	无害.exe

C:\Users\Admin\AppData\Local\Temp\无害.exe
"C:\Users\Admin\AppData\Local\Temp\无害.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Sets desktop wallpaper using registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2284

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/2284-0-0x0000000000400000-0x00000000013D0000-memory.dmp

Filesize
15.8MB

Download
memory/2284-1-0x00000000776C0000-0x00000000776C1000-memory.dmp

Filesize
4KB

Download
memory/2284-4-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-5-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-3-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-2-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-10-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-12-0x0000000000400000-0x00000000013D0000-memory.dmp

Filesize
15.8MB

Download
memory/2284-13-0x0000000000400000-0x00000000013D0000-memory.dmp

Filesize
15.8MB

Download
memory/2284-14-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/2284-15-0x0000000005B30000-0x0000000005BC2000-memory.dmp

Filesize
584KB

Download
memory/2284-16-0x0000000006210000-0x000000000621A000-memory.dmp

Filesize
40KB

Download
memory/2284-17-0x0000000010000000-0x0000000010214000-memory.dmp

Filesize
2.1MB

Download
memory/2284-20-0x0000000000400000-0x00000000013D0000-memory.dmp

Filesize
15.8MB

Download
memory/2284-21-0x00000000776C0000-0x00000000776C1000-memory.dmp

Filesize
4KB

Download
memory/2284-22-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download
memory/2284-24-0x00000000776A0000-0x0000000077790000-memory.dmp

Filesize
960KB

Download