b2fdf16f56a53ec57134d20655a23d5919c022a97cf7da4087bd6bf9f3704bb6

Resubmissions

06-12-2022 13:52

221206-q6sdqsdc23 10

21-09-2022 08:18

220921-j7eqpsbdep 9

21-09-2022 07:05

220921-hwvr4sffe3 9

21-09-2022 05:39

220921-gca3xsahbn 9

Analysis

max time kernel
508s
max time network
511s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2022 07:05

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General

Target

859c659aee8b897aeebf4b87364cc6d1.exe
Size

2.4MB
MD5

859c659aee8b897aeebf4b87364cc6d1
SHA1

c362e37f2a75447fe19eab90a6eba3dd3fa402e7
SHA256

b2fdf16f56a53ec57134d20655a23d5919c022a97cf7da4087bd6bf9f3704bb6
SHA512

b5a1ddf62be64eb5b58e674032884095e5a4ec190f4a8944e71efdc7f1faf57cfd5a9af7cd3d3040c1c3912ea4afafbfbea5cbe8532d5326f5c8d48f304a7ee6
SSDEEP

49152:d7BbOYaReQpAxY+TuQ/tymHRuKjQdT8K:nbOYakQpA++TuQ/tymHRumS

Score

9^/10

discovery evasion persistence spyware stealer themida trojan

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

DpEditor.exelutzen.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	DpEditor.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	lutzen.exe

Executes dropped EXE 2 IoCs

Processes:

lutzen.exeDpEditor.exe

pid process

3268 lutzen.exe
4396 DpEditor.exe

pid	process
3268	lutzen.exe
4396	DpEditor.exe

Checks BIOS information in registry 2 TTPs 4 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

DpEditor.exelutzen.exe

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

859c659aee8b897aeebf4b87364cc6d1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	859c659aee8b897aeebf4b87364cc6d1.exe

Drops startup file 1 IoCs

Processes:

DpEditor.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ncsyncer.lnk DpEditor.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ncsyncer.lnk	DpEditor.exe

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe	themida
C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe	themida
behavioral1/memory/3268-140-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
behavioral1/memory/3268-141-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
behavioral1/memory/3268-142-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
behavioral1/memory/3268-143-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
behavioral1/memory/3268-144-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/3268-149-0x0000000000210000-0x00000000008F8000-memory.dmp	themida
behavioral1/memory/4396-151-0x0000000000790000-0x0000000000E78000-memory.dmp	themida
behavioral1/memory/4396-152-0x0000000000790000-0x0000000000E78000-memory.dmp	themida
behavioral1/memory/4396-153-0x0000000000790000-0x0000000000E78000-memory.dmp	themida
behavioral1/memory/4396-155-0x0000000000790000-0x0000000000E78000-memory.dmp	themida
behavioral1/memory/4396-154-0x0000000000790000-0x0000000000E78000-memory.dmp	themida
behavioral1/memory/4396-157-0x0000000000790000-0x0000000000E78000-memory.dmp	themida

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DpEditor.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NCH Sync Service = "C:\\Users\\Admin\\AppData\\Roaming\\NCH Software\\DrawPad\\DpEditor.exe"	DpEditor.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

lutzen.exeDpEditor.exe

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

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

859c659aee8b897aeebf4b87364cc6d1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	859c659aee8b897aeebf4b87364cc6d1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\ProductId	859c659aee8b897aeebf4b87364cc6d1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

lutzen.exeDpEditor.exe

pid process

3268 lutzen.exe
4396 DpEditor.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
3268	lutzen.exe
4396	DpEditor.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

859c659aee8b897aeebf4b87364cc6d1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	859c659aee8b897aeebf4b87364cc6d1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	859c659aee8b897aeebf4b87364cc6d1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	859c659aee8b897aeebf4b87364cc6d1.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2272 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

4396 DpEditor.exe

pid	process
2272	timeout.exe

pid	process
4396	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

859c659aee8b897aeebf4b87364cc6d1.exelutzen.exeDpEditor.exe

pid	process
2840	859c659aee8b897aeebf4b87364cc6d1.exe
2840	859c659aee8b897aeebf4b87364cc6d1.exe
3268	lutzen.exe
3268	lutzen.exe
4396	DpEditor.exe
4396	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

859c659aee8b897aeebf4b87364cc6d1.execmd.execmd.exelutzen.exe

description	pid	process	target process
PID 2840 wrote to memory of 4604	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 2840 wrote to memory of 4604	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 2840 wrote to memory of 4604	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 2840 wrote to memory of 4820	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 2840 wrote to memory of 4820	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 2840 wrote to memory of 4820	2840	859c659aee8b897aeebf4b87364cc6d1.exe	cmd.exe
PID 4820 wrote to memory of 2272	4820	cmd.exe	timeout.exe
PID 4820 wrote to memory of 2272	4820	cmd.exe	timeout.exe
PID 4820 wrote to memory of 2272	4820	cmd.exe	timeout.exe
PID 4604 wrote to memory of 3268	4604	cmd.exe	lutzen.exe
PID 4604 wrote to memory of 3268	4604	cmd.exe	lutzen.exe
PID 4604 wrote to memory of 3268	4604	cmd.exe	lutzen.exe
PID 3268 wrote to memory of 4396	3268	lutzen.exe	DpEditor.exe
PID 3268 wrote to memory of 4396	3268	lutzen.exe	DpEditor.exe
PID 3268 wrote to memory of 4396	3268	lutzen.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\859c659aee8b897aeebf4b87364cc6d1.exe
"C:\Users\Admin\AppData\Local\Temp\859c659aee8b897aeebf4b87364cc6d1.exe"
1⤵
- Checks computer location settings
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4604
- - C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe
    C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:3268
  - - C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
      "C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
      4⤵
      Identifies VirtualBox via ACPI registry values (likely anti-VM)
      Executes dropped EXE
      Checks BIOS information in registry
      Drops startup file
      Adds Run key to start application
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      PID:4396
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\859c659aee8b897aeebf4b87364cc6d1.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4820
- - C:\Windows\SysWOW64\timeout.exe
    timeout -t 5
    3⤵
    - Delays execution with timeout.exe
    PID:2272

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe

Filesize
2.6MB

MD5
1c6a420c26ae08ca1f1d7e6a1ae1e462

SHA1
d3cbac0f481d7c6c1fb2274d533c9ce1756fe579

SHA256
43f6ee2aa859ad45bdc8afa4c2ea1f31f1925bee9a9eb5c716eec9ffb5c88cb3

SHA512
4b59323e8edd82a6ccd3ad6bf22f202f11679c7f5bcf0c24daae9e80b409d826730c794db4a1478a6e8ae91d8ad6c238f11f8ece6daee17c80d292fc53afe328

Download Submit
C:\Users\Admin\AppData\Roaming\A3A745C56BDAE80F\lutzen.exe

Filesize
2.6MB

MD5
1c6a420c26ae08ca1f1d7e6a1ae1e462

SHA1
d3cbac0f481d7c6c1fb2274d533c9ce1756fe579

SHA256
43f6ee2aa859ad45bdc8afa4c2ea1f31f1925bee9a9eb5c716eec9ffb5c88cb3

SHA512
4b59323e8edd82a6ccd3ad6bf22f202f11679c7f5bcf0c24daae9e80b409d826730c794db4a1478a6e8ae91d8ad6c238f11f8ece6daee17c80d292fc53afe328

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

Filesize
2.6MB

MD5
1c6a420c26ae08ca1f1d7e6a1ae1e462

SHA1
d3cbac0f481d7c6c1fb2274d533c9ce1756fe579

SHA256
43f6ee2aa859ad45bdc8afa4c2ea1f31f1925bee9a9eb5c716eec9ffb5c88cb3

SHA512
4b59323e8edd82a6ccd3ad6bf22f202f11679c7f5bcf0c24daae9e80b409d826730c794db4a1478a6e8ae91d8ad6c238f11f8ece6daee17c80d292fc53afe328

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe

Filesize
2.6MB

MD5
1c6a420c26ae08ca1f1d7e6a1ae1e462

SHA1
d3cbac0f481d7c6c1fb2274d533c9ce1756fe579

SHA256
43f6ee2aa859ad45bdc8afa4c2ea1f31f1925bee9a9eb5c716eec9ffb5c88cb3

SHA512
4b59323e8edd82a6ccd3ad6bf22f202f11679c7f5bcf0c24daae9e80b409d826730c794db4a1478a6e8ae91d8ad6c238f11f8ece6daee17c80d292fc53afe328

Download Submit
memory/2272-136-0x0000000000000000-mapping.dmp

Download
memory/2840-135-0x00000000027C0000-0x0000000002880000-memory.dmp

Filesize
768KB

Download
memory/2840-132-0x00000000027C0000-0x0000000002880000-memory.dmp

Filesize
768KB

Download
memory/3268-144-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-149-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-141-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-142-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-143-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-137-0x0000000000000000-mapping.dmp

Download
memory/3268-145-0x0000000076EA0000-0x0000000077043000-memory.dmp

Filesize
1.6MB

Download
memory/3268-140-0x0000000000210000-0x00000000008F8000-memory.dmp

Filesize
6.9MB

Download
memory/3268-150-0x0000000076EA0000-0x0000000077043000-memory.dmp

Filesize
1.6MB

Download
memory/4396-152-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-151-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-146-0x0000000000000000-mapping.dmp

Download
memory/4396-153-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-156-0x0000000076EA0000-0x0000000077043000-memory.dmp

Filesize
1.6MB

Download
memory/4396-155-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-154-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-157-0x0000000000790000-0x0000000000E78000-memory.dmp

Filesize
6.9MB

Download
memory/4396-158-0x0000000076EA0000-0x0000000077043000-memory.dmp

Filesize
1.6MB

Download
memory/4604-133-0x0000000000000000-mapping.dmp

Download
memory/4820-134-0x0000000000000000-mapping.dmp

Download