86e6fab2b9c9a219365a962076ddb69f947ec1f35e971703b0ed6cb4da528225

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 20:10

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General

Target

Precise Temp.exe
Size

4.5MB
MD5

6509b704aa9ebb7452bc4a77b18a9e9e
SHA1

91bb981b702e16913af49a0e59f64da025bb3af8
SHA256

86e6fab2b9c9a219365a962076ddb69f947ec1f35e971703b0ed6cb4da528225
SHA512

38e6e578f262afe2ecdeedb1bb5103f68c9a61714eb71a494578ff104a2195fca4176e2820c786b7f2907fd6d7ed655684cbf558fed829b445efc6a8b734bfdb
SSDEEP

98304:TX+roAWebtAIaAgq9uAmb7YJrr9/xFJ4E1ZI+9dUbEhP1X:yrxZtXadOG+Pzh

Score

9^/10

discovery 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:

Precise Temp.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Precise Temp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Precise Temp.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:

Precise Temp.exe

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

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/3464-8-0x0000000000400000-0x0000000000E3E000-memory.dmp	themida
behavioral2/memory/3464-9-0x0000000000400000-0x0000000000E3E000-memory.dmp	themida
behavioral2/memory/3464-14-0x0000000000400000-0x0000000000E3E000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Precise Temp.exe

description ioc process

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

Processes:

Precise Temp.exe

pid process

3464 Precise Temp.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4648 3464 WerFault.exe Precise Temp.exe
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
discovery

System Language Discovery
T1614.001

Processes:

Precise Temp.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Precise Temp.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Precise Temp.exe

pid process

3464 Precise Temp.exe
3464 Precise Temp.exe

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

pid	process
3464	Precise Temp.exe

pid	pid_target	process	target process
4648	3464	WerFault.exe	Precise Temp.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Precise Temp.exe

pid	process
3464	Precise Temp.exe
3464	Precise Temp.exe

C:\Users\Admin\AppData\Local\Temp\Precise Temp.exe
"C:\Users\Admin\AppData\Local\Temp\Precise Temp.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
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:3464
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1052
  2⤵
  - Program crash
  PID:4648

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3464 -ip 3464
1⤵
PID:4548

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3464-0-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download
memory/3464-1-0x0000000074FF0000-0x0000000074FF1000-memory.dmp

Filesize
4KB

Download
memory/3464-2-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download
memory/3464-5-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download
memory/3464-4-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download
memory/3464-3-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download
memory/3464-6-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download
memory/3464-8-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download
memory/3464-9-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download
memory/3464-10-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download
memory/3464-11-0x0000000005390000-0x0000000005422000-memory.dmp

Filesize
584KB

Download
memory/3464-12-0x0000000005B60000-0x0000000005B6A000-memory.dmp

Filesize
40KB

Download
memory/3464-14-0x0000000000400000-0x0000000000E3E000-memory.dmp

Filesize
10.2MB

Download
memory/3464-15-0x0000000074FD0000-0x00000000750C0000-memory.dmp

Filesize
960KB

Download