9324bf5638c2d795e4e713d813720f21037c8423917c85dba8b3703efc187bd2

General

Target

9324bf5638c2d795e4e713d813720f21037c8423917c85dba8b3703efc187bd2dll.dll
Size

2.8MB
MD5

bfbca5e7c072f0bb4f25de1c71dffd5e
SHA1

d789e53c9c9f66eba65fba6e7dff2aedc21f12c0
SHA256

9324bf5638c2d795e4e713d813720f21037c8423917c85dba8b3703efc187bd2
SHA512

ae387de8357ad467809cfec2947a3455be8b7194cd7e31b619e090d88a8ed19cb050b3f123ab9f3fd1a1c7c905ac803f8ed073049ea4a4d54eea144fabbc9ca6

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

Processes:

rundll32.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe

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

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 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1676-56-0x0000000002360000-0x0000000002AEE000-memory.dmp	themida
behavioral1/memory/1676-57-0x0000000002360000-0x0000000002AEE000-memory.dmp	themida
behavioral1/memory/1676-59-0x0000000002360000-0x0000000002AEE000-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

1676 rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

916 1676 WerFault.exe rundll32.exe

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

pid	process
1676	rundll32.exe

pid	pid_target	process	target process
916	1676	WerFault.exe	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1748 wrote to memory of 1676	1748	rundll32.exe	rundll32.exe
PID 1676 wrote to memory of 916	1676	rundll32.exe	WerFault.exe
PID 1676 wrote to memory of 916	1676	rundll32.exe	WerFault.exe
PID 1676 wrote to memory of 916	1676	rundll32.exe	WerFault.exe
PID 1676 wrote to memory of 916	1676	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9324bf5638c2d795e4e713d813720f21037c8423917c85dba8b3703efc187bd2dll.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9324bf5638c2d795e4e713d813720f21037c8423917c85dba8b3703efc187bd2dll.dll,#1
2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1676 -s 300
3⤵
- Program crash
PID:916

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/916-60-0x0000000000000000-mapping.dmp

Download
memory/1676-54-0x0000000000000000-mapping.dmp

Download
memory/1676-55-0x0000000075761000-0x0000000075763000-memory.dmp

Filesize
8KB

Download
memory/1676-56-0x0000000002360000-0x0000000002AEE000-memory.dmp

Filesize
7.6MB

Download
memory/1676-57-0x0000000002360000-0x0000000002AEE000-memory.dmp

Filesize
7.6MB

Download
memory/1676-58-0x0000000077980000-0x0000000077B00000-memory.dmp

Filesize
1.5MB

Download
memory/1676-59-0x0000000002360000-0x0000000002AEE000-memory.dmp

Filesize
7.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads