5584d5f832cef25230c455f694ede3441a296212fa0f9fcc44dabc5ea19b729f

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 21:48

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General

Target

plague.dll
Size

7.3MB
MD5

5d177316057ec58d89fddf79086a3537
SHA1

61d44161638d588a85ffaec513c4649f2c5cace7
SHA256

5584d5f832cef25230c455f694ede3441a296212fa0f9fcc44dabc5ea19b729f
SHA512

4546a716349a54d74ccde2fcd8c793c8c00a1b2751271cab46afc17b5a0bc93db90307c8670546dc8420dfd195f89137dfa36c132029e5842170d0f16c801dc8
SSDEEP

196608:rce4jVTcMkxmCJ+EyooJspcNjJ00XkPeQbLq34:c5gJoecNjGekHbt

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__	rundll32.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	rundll32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	rundll32.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2756-1-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp	themida
behavioral1/memory/2756-3-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp	themida
behavioral1/memory/2756-4-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp	themida
behavioral1/memory/2756-5-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp	themida
behavioral1/memory/2756-8-0x000007FEF3DC0000-0x000007FEF4E88000-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	rundll32.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2756	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2756 wrote to memory of 860	2756	rundll32.exe	31
PID 2756 wrote to memory of 860	2756	rundll32.exe	31
PID 2756 wrote to memory of 860	2756	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\plague.dll,#1
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2756
- C:\Windows\system32\WerFault.exe
  C:\Windows\system32\WerFault.exe -u -p 2756 -s 240
  2⤵
  PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Replay Monitor

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Downloads

memory/2756-0-0x000007FEF4E90000-0x000007FEF5F58000-memory.dmp

Filesize
16.8MB

Download
memory/2756-2-0x000007FEF4E90000-0x000007FEF5F58000-memory.dmp

Filesize
16.8MB

Download
memory/2756-1-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp

Filesize
16.8MB

Download
memory/2756-3-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp

Filesize
16.8MB

Download
memory/2756-4-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp

Filesize
16.8MB

Download
memory/2756-5-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp

Filesize
16.8MB

Download
memory/2756-6-0x000001138FE90000-0x00000113906F1000-memory.dmp

Filesize
8.4MB

Download
memory/2756-7-0x000001138FE90000-0x00000113906F1000-memory.dmp

Filesize
8.4MB

Download
memory/2756-8-0x000007FEF3DC0000-0x000007FEF4E88000-memory.dmp

Filesize
16.8MB

Download
memory/2756-9-0x000007FEF4E90000-0x000007FEF5F58000-memory.dmp

Filesize
16.8MB

Download
memory/2756-10-0x000007FEF4E90000-0x000007FEF5F58000-memory.dmp

Filesize
16.8MB

Download