1492ef6536804555c64804636662313d4345fcf02d7d568c2cc291f221915ed7

Analysis

max time kernel
44s
max time network
47s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
11-08-2022 16:09

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General

Target

Launcher.exe
Size

3.7MB
MD5

26de3aeeabe0ae76f1018eaa2532f16a
SHA1

cb64725485be721627e11871cbb7fb6a778beb2d
SHA256

1492ef6536804555c64804636662313d4345fcf02d7d568c2cc291f221915ed7
SHA512

4b1ea404e601a3990ff2abf97c273c4a23205a30f5bdf2cc78706efcb3cfd7e20157fa9071cade58f39ce3206db56185ca523780fd16d167a2d6f3fd4e6eb118

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:

Launcher.exe

description ioc process

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

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

Launcher.exe

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

Themida packer 2 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/892-57-0x0000000000FD0000-0x00000000018FC000-memory.dmp	themida
behavioral1/memory/892-58-0x0000000000FD0000-0x00000000018FC000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Launcher.exe

description ioc process

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

Processes:

Launcher.exe

pid process

892 Launcher.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2024 892 WerFault.exe Launcher.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Launcher.exe

pid process

892 Launcher.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Launcher.exe

description pid process

Token: SeDebugPrivilege 892 Launcher.exe

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

pid	process
892	Launcher.exe

pid	pid_target	process	target process
2024	892	WerFault.exe	Launcher.exe

pid	process
892	Launcher.exe

description	pid	process
Token: SeDebugPrivilege	892	Launcher.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

Launcher.exe

description	pid	process	target process
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe
PID 892 wrote to memory of 2024	892	Launcher.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Launcher.exe
"C:\Users\Admin\AppData\Local\Temp\Launcher.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
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 1584
2⤵
- Program crash
PID:2024

Network

MITRE ATT&CK Enterprise v6

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/892-54-0x00000000754C1000-0x00000000754C3000-memory.dmp

Filesize
8KB

Download
memory/892-57-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/892-58-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/892-59-0x0000000077420000-0x00000000775A0000-memory.dmp

Filesize
1.5MB

Download
memory/892-61-0x0000000000FD0000-0x00000000018FC000-memory.dmp

Filesize
9.2MB

Download
memory/2024-60-0x0000000000000000-mapping.dmp

Download