e315b87816d0f844ac2ad05136cf9755d4ba7a53b1080a84525418dc582b2ef9

Analysis

max time kernel
3s
max time network
39s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/05/2023, 19:57

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General

Target

Susano.exe
Size

4.7MB
MD5

e510bcfba680e5c1eba10f46f53057b8
SHA1

32589e836e9748db5a8d1c919be3c603fe5caad0
SHA256

e315b87816d0f844ac2ad05136cf9755d4ba7a53b1080a84525418dc582b2ef9
SHA512

fca9e45010a5fe61430519a77119a342c0f87b99bd7f110a63f0b3b2c1c608f1df97c1938cde61f33d429ca8b8f601c8f7eb29e6ce5f2c264b2f5ef50261ac9b
SSDEEP

98304:TRBJj2opJUx8yCE0CgVPaCTGyH9/e7R0gVf3stq2kJcJozcJPm11ac:TRr2KzE0Cg5CEgVR2kcecJPk1

Score

9^/10

evasion themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Susano.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Susano.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Susano.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/1236-54-0x000000013F370000-0x000000014001F000-memory.dmp	themida
behavioral1/memory/1236-55-0x000000013F370000-0x000000014001F000-memory.dmp	themida
behavioral1/memory/1236-56-0x000000013F370000-0x000000014001F000-memory.dmp	themida
behavioral1/memory/1236-57-0x000000013F370000-0x000000014001F000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

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

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1236	Susano.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1236	Susano.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeSecurityPrivilege	1236	Susano.exe
Token: SeDebugPrivilege	1236	Susano.exe
Token: SeShutdownPrivilege	1236	Susano.exe

C:\Users\Admin\AppData\Local\Temp\Susano.exe
"C:\Users\Admin\AppData\Local\Temp\Susano.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1236

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1236-54-0x000000013F370000-0x000000014001F000-memory.dmp

Filesize
12.7MB

Download
memory/1236-55-0x000000013F370000-0x000000014001F000-memory.dmp

Filesize
12.7MB

Download
memory/1236-56-0x000000013F370000-0x000000014001F000-memory.dmp

Filesize
12.7MB

Download
memory/1236-57-0x000000013F370000-0x000000014001F000-memory.dmp

Filesize
12.7MB

Download