34a1e0d01353a313d4f8e0b17a889f2ebbc6a6433d66ac86d3d9fc87e27dc78c

Resubmissions

07-07-2022 13:50

220707-q5b1csghcq 9

07-07-2022 13:43

220707-q1lzrsgghj 9

Analysis

max time kernel
153s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
07-07-2022 13:43

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General

Target

Setup.exe
Size

392.4MB
MD5

715e4579032d354a15836e6778ad39c8
SHA1

4d32188a441c71aedc79f15609489285d5414c19
SHA256

ef853a8b2e2e2eef69749f08351f36f80402edb6836e0a761bbceadf8291636a
SHA512

68bff27c89c2a015b134ee0b038cb4a3a45c5c4f2dcaa367645f541f7ffea3d3c37f3872b32b2e3f801d0e857f2aabdf1bfd3727d009c54e848f8a2cba39982b

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:

Setup.exe

description ioc process

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

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

Setup.exe

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

Themida packer 6 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/1608-130-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida
behavioral2/memory/1608-131-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida
behavioral2/memory/1608-133-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida
behavioral2/memory/1608-135-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida
behavioral2/memory/1608-136-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida
behavioral2/memory/1608-138-0x0000000000300000-0x0000000000C3B000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Setup.exe

description ioc process

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

Processes:

Setup.exe

pid process

1608 Setup.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

Setup.exe

pid process

1608 Setup.exe
1608 Setup.exe
1608 Setup.exe
1608 Setup.exe
1608 Setup.exe
1608 Setup.exe

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

pid	process
1608	Setup.exe

pid	process
1608	Setup.exe
1608	Setup.exe
1608	Setup.exe
1608	Setup.exe
1608	Setup.exe
1608	Setup.exe

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.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
PID:1608

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1608-130-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-131-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-133-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-134-0x0000000077310000-0x00000000774B3000-memory.dmp

Filesize
1.6MB

Download
memory/1608-135-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-136-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-137-0x0000000077310000-0x00000000774B3000-memory.dmp

Filesize
1.6MB

Download
memory/1608-138-0x0000000000300000-0x0000000000C3B000-memory.dmp

Filesize
9.2MB

Download
memory/1608-139-0x0000000077310000-0x00000000774B3000-memory.dmp

Filesize
1.6MB

Download