4563e5ab64572adb62bc0e4e6c472b4c6485c9e5af3aa40dc17d84170c442e82

General

Target

imgengine.dll
Size

12.0MB
MD5

ef7de8e17a46bbb875ff5b48a5111f75
SHA1

1758ad8c4574dc8aba71ef4e541dd78579853826
SHA256

4563e5ab64572adb62bc0e4e6c472b4c6485c9e5af3aa40dc17d84170c442e82
SHA512

0a7a0316856c766fb0ec8dae0519acb480d3e1c738c4a2ba442cb8cc5e67b920839ade09bc69e54eb406bb4575cae9fd1958512c25a826e134d4d036b744fd80

Score

9^/10

evasion themida 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:

rundll32.exe

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 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1940-54-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida
behavioral1/memory/1940-55-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida
behavioral1/memory/1940-56-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida
behavioral1/memory/1940-57-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida
behavioral1/memory/1940-58-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida
behavioral1/memory/1940-59-0x0000000001D20000-0x0000000003B65000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

rundll32.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

rundll32.exe

pid process

1940 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

672 1940 WerFault.exe rundll32.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

672 WerFault.exe
672 WerFault.exe
672 WerFault.exe
672 WerFault.exe
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

WerFault.exe

pid process

672 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 672 WerFault.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	rundll32.exe

pid	process
1940	rundll32.exe

pid	pid_target	process	target process
672	1940	WerFault.exe	rundll32.exe

pid	process
672	WerFault.exe
672	WerFault.exe
672	WerFault.exe
672	WerFault.exe

pid	process
672	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	672	WerFault.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1940 wrote to memory of 672	1940	rundll32.exe	WerFault.exe
PID 1940 wrote to memory of 672	1940	rundll32.exe	WerFault.exe
PID 1940 wrote to memory of 672	1940	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\imgengine.dll,#1
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1940

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 1940 -s 248
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:672

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/672-60-0x0000000000000000-mapping.dmp

Download
memory/672-61-0x000007FEFBF81000-0x000007FEFBF83000-memory.dmp

Filesize
8KB

Download
memory/672-62-0x0000000001C00000-0x0000000001C01000-memory.dmp

Filesize
4KB

Download
memory/1940-54-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download
memory/1940-55-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download
memory/1940-56-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download
memory/1940-57-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download
memory/1940-58-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download
memory/1940-59-0x0000000001D20000-0x0000000003B65000-memory.dmp

Filesize
30.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads