8f63908b52eab6e8edb2d3453dedb2b2a99f8c24187286df9853c3de1a47cba0

General

Target

Etabs_v18_kg.exe
Size

2.6MB
MD5

d184a76d23578380113625d695110c69
SHA1

01dcba88f50fed6c33e060fa49e96a62620b8570
SHA256

8f63908b52eab6e8edb2d3453dedb2b2a99f8c24187286df9853c3de1a47cba0
SHA512

5a88afbfb82d6055d1de99b8516f4b8dc5fab094c793944ff18c5175c4d66012a78e35eaf1fd9d9b701d185b141a36740ef04437aed88ae5783a27defdcad8c9

Score

9^/10

evasion trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

Etabs_v18_kg.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Etabs_v18_kg.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Etabs_v18_kg.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Etabs_v18_kg.exe

description ioc process

Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Wine Etabs_v18_kg.exe
Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Etabs_v18_kg.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Etabs_v18_kg.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Etabs_v18_kg.exe

pid process

940 Etabs_v18_kg.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Etabs_v18_kg.exe

pid process

940 Etabs_v18_kg.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Wine	Etabs_v18_kg.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Etabs_v18_kg.exe

pid	process
940	Etabs_v18_kg.exe

pid	process
940	Etabs_v18_kg.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

Etabs_v18_kg.exe

description	pid	process	target process
PID 940 wrote to memory of 1920	940	Etabs_v18_kg.exe	cmd.exe
PID 940 wrote to memory of 1920	940	Etabs_v18_kg.exe	cmd.exe
PID 940 wrote to memory of 1920	940	Etabs_v18_kg.exe	cmd.exe
PID 940 wrote to memory of 1920	940	Etabs_v18_kg.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\Etabs_v18_kg.exe
"C:\Users\Admin\AppData\Local\Temp\Etabs_v18_kg.exe"
1⤵
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:940

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c pause
2⤵
PID:1920

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/940-61-0x0000000000DC0000-0x0000000001448000-memory.dmp

Filesize
6.5MB

Download
memory/940-77-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/940-63-0x0000000000CF0000-0x0000000000CF1000-memory.dmp

Filesize
4KB

Download
memory/940-65-0x00000000028A0000-0x00000000028A2000-memory.dmp

Filesize
8KB

Download
memory/940-62-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download
memory/940-66-0x0000000000A90000-0x0000000000A91000-memory.dmp

Filesize
4KB

Download
memory/940-67-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/940-60-0x0000000075051000-0x0000000075053000-memory.dmp

Filesize
8KB

Download
memory/940-79-0x0000000002890000-0x0000000002891000-memory.dmp

Filesize
4KB

Download
memory/940-64-0x0000000000AB0000-0x0000000000AB1000-memory.dmp

Filesize
4KB

Download
memory/940-69-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/940-71-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

Filesize
4KB

Download
memory/940-72-0x00000000028B0000-0x00000000028B1000-memory.dmp

Filesize
4KB

Download
memory/940-74-0x0000000000BE0000-0x0000000000BE1000-memory.dmp

Filesize
4KB

Download
memory/940-73-0x0000000000610000-0x0000000000611000-memory.dmp

Filesize
4KB

Download
memory/940-75-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/940-68-0x0000000000A30000-0x0000000000A31000-memory.dmp

Filesize
4KB

Download
memory/940-70-0x00000000028C0000-0x00000000028C1000-memory.dmp

Filesize
4KB

Download
memory/940-78-0x00000000028D0000-0x00000000028D1000-memory.dmp

Filesize
4KB

Download
memory/1920-76-0x0000000000000000-mapping.dmp

Download

Analysis

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