75e1cdd24b6fae13b44b2c5251a7dec8958fd723fc435976ad12256a2b5afb53

General

Target

kernel-injection.exe
Size

3.6MB
MD5

2000ee7b472fa0bed9fd3bdf661b4613
SHA1

8fdcf7bcc86c8bab9b3f19b1eee01ebea6d4d84d
SHA256

18543bcf137afd15dac41bb3b0666aac04fa24c3215a3464e22392d2097a10df
SHA512

fbf75dafaef38787a268a32e2254dc9fd2a7db06064eb052fbc10c71a7e3991078e9255e6e9ced914fc522d41a6efdc6f4d750074456dd60101738fd65c09f29
SSDEEP

98304:311rtCZ6BCeMEhm0yC0J+QDNDALuGnpd0VcQ:31Z4ZACeMbJ+Q5Kvcx

Score

9^/10

evasion persistence 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	kernel-injection.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\lSOobFfjrJZxeeAfOS\ImagePath = "\\??\\C:\\Users\\Admin\\AppData\\Local\\Temp\\lSOobFfjrJZxeeAfOS"	aW7QD.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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	kernel-injection.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	kernel-injection.exe

Executes dropped EXE 1 IoCs

pid	Process
2736	aW7QD.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	kernel-injection.exe

Themida packer 9 IoCs

Detects Themida, an advanced Windows software protection system.

themida

resource	yara_rule
behavioral1/memory/2172-0-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-2-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-3-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-4-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-5-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-6-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-7-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-15-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida
behavioral1/memory/2172-17-0x000000013F7B0000-0x0000000140141000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	kernel-injection.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
2172	kernel-injection.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SoftwareDistribution\Download\aW7QD.exe	kernel-injection.exe

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

System Information Discovery
T1082

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
2736	aW7QD.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2172	kernel-injection.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeLoadDriverPrivilege	2736	aW7QD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2232	2172	kernel-injection.exe	29
PID 2172 wrote to memory of 2232	2172	kernel-injection.exe	29
PID 2172 wrote to memory of 2232	2172	kernel-injection.exe	29
PID 2172 wrote to memory of 2736	2172	kernel-injection.exe	30
PID 2172 wrote to memory of 2736	2172	kernel-injection.exe	30
PID 2172 wrote to memory of 2736	2172	kernel-injection.exe	30

C:\Users\Admin\AppData\Local\Temp\kernel-injection.exe
"C:\Users\Admin\AppData\Local\Temp\kernel-injection.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c color 9
  2⤵
  PID:2232
- C:\Windows\SoftwareDistribution\Download\aW7QD.exe
  "C:\Windows\SoftwareDistribution\Download\aW7QD.exe"
  2⤵
  - Sets service image path in registry
  - Executes dropped EXE
  - Suspicious behavior: LoadsDriver
  - Suspicious use of AdjustPrivilegeToken
  PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SoftwareDistribution\Download\aW7QD.exe

Filesize
100KB

MD5
9886a738e05f8a8fe04e9d0c81cc0909

SHA1
f659c6a123eb11f6f34f618265dbd54a9aa7f5e3

SHA256
abf99bd1d851c4c7015b999e81fb080e7e1147973e6a3a77c8ba7895cc8abbb6

SHA512
0d3b9e9a1a38efe1e963b929a33a8a13d4636d8056ab04fce958333db983b9fb401946c9b6990d18e9c2e2d4c2dbd2fb6aae5385e4234a5d86ef8adb98d56a21

Download Submit
\Windows\SoftwareDistribution\Download\aW7QD.exe

Filesize
100KB

MD5
9886a738e05f8a8fe04e9d0c81cc0909

SHA1
f659c6a123eb11f6f34f618265dbd54a9aa7f5e3

SHA256
abf99bd1d851c4c7015b999e81fb080e7e1147973e6a3a77c8ba7895cc8abbb6

SHA512
0d3b9e9a1a38efe1e963b929a33a8a13d4636d8056ab04fce958333db983b9fb401946c9b6990d18e9c2e2d4c2dbd2fb6aae5385e4234a5d86ef8adb98d56a21

Download Submit
memory/2172-3-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-0-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-4-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-5-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-6-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-7-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-2-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-1-0x0000000077030000-0x00000000771D9000-memory.dmp

Filesize
1.7MB

Download
memory/2172-15-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-17-0x000000013F7B0000-0x0000000140141000-memory.dmp

Filesize
9.6MB

Download
memory/2172-18-0x0000000077030000-0x00000000771D9000-memory.dmp

Filesize
1.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads