d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da

Analysis

max time kernel
92s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
02-08-2022 12:51

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General

Target

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
Size

5.9MB
MD5

1a3d56b85808cfd70ce4fc16f08e2985
SHA1

ab0141d6dfc701e63cb4968fcd2ba4026385d064
SHA256

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da
SHA512

7ca95f92a280c2d10dab16bfd06dd27baaa91566cc0075ce5a6f15826e4d796e7bd4681c9f74485944d9f95bfec8252711731ce99501f974aaead9acaa489ae1

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:

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.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:

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

Loads dropped DLL 3 IoCs

Processes:

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

pid	process
840	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
840	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
840	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

Themida packer 5 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/840-130-0x0000000000400000-0x0000000000A44000-memory.dmp	themida
behavioral2/memory/840-131-0x0000000000400000-0x0000000000A44000-memory.dmp	themida
behavioral2/memory/840-132-0x0000000000400000-0x0000000000A44000-memory.dmp	themida
behavioral2/memory/840-137-0x0000000000400000-0x0000000000A44000-memory.dmp	themida
behavioral2/memory/840-138-0x0000000000400000-0x0000000000A44000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

C:\Users\Admin\AppData\Local\Temp\d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe
"C:\Users\Admin\AppData\Local\Temp\d3379b78f72c4d706cc5c4d4c2014322dc484c15768abc91c7d3f67f8a7448da.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
PID:840

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

C:\Users\Admin\AppData\Local\Temp\nsrBF10.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrBF10.tmp\INetC.dll
Filesize
25KB

MD5
40d7eca32b2f4d29db98715dd45bfac5

SHA1
124df3f617f562e46095776454e1c0c7bb791cc7

SHA256
85e03805f90f72257dd41bfdaa186237218bbb0ec410ad3b6576a88ea11dccb9

SHA512
5fd4f516ce23fb7e705e150d5c1c93fc7133694ba495fb73101674a528883a013a34ab258083aa7ce6072973b067a605158316a4c9159c1b4d765761f91c513d

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsrBF10.tmp\xml.dll
Filesize
1.3MB

MD5
6ce87bf6e68d228175114738f4abbe82

SHA1
2030ff915c2a3a001ac781fdf688591e380a2385

SHA256
66f6d0e87784559e3f6a4e720f42e474440169c4045ca8d48041d098feff24e5

SHA512
2120aa7bf53315493356a4902d393a539f16f945dd880db7183626a34e55a65d9e69b8ace3d1efb8960d1d85f440980c9c9f1947064b4fb9fc52e8d05d6a0008

Download Submit
memory/840-130-0x0000000000400000-0x0000000000A44000-memory.dmp

Filesize
6.3MB

Download
memory/840-131-0x0000000000400000-0x0000000000A44000-memory.dmp

Filesize
6.3MB

Download
memory/840-132-0x0000000000400000-0x0000000000A44000-memory.dmp

Filesize
6.3MB

Download
memory/840-136-0x0000000001151000-0x0000000001155000-memory.dmp

Filesize
16KB

Download
memory/840-137-0x0000000000400000-0x0000000000A44000-memory.dmp

Filesize
6.3MB

Download
memory/840-138-0x0000000000400000-0x0000000000A44000-memory.dmp

Filesize
6.3MB

Download