ab406a77d2072ede4e117eaaaff8ed953a70f999044dc4beeac69a98853e8c9e

General

Target

homyel.exe
Size

2.8MB
MD5

8d83e980468557de9b7e71f7d972541b
SHA1

55a4226f5308ea659c68b61686af10398344de77
SHA256

ab406a77d2072ede4e117eaaaff8ed953a70f999044dc4beeac69a98853e8c9e
SHA512

ef2e404028c6e8239ad9f67b449c7546c96c6a918e9bcc3427574d809a3e4f9f7ea9e79b3a7584aa176b84e07934600c1b1cd1fbb25581788f3de15144cfe981

Score

9^/10

evasion persistence 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.exehomyel.exe

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

Executes dropped EXE 1 IoCs

Processes:

DpEditor.exe

pid process

1948 DpEditor.exe

pid	process
1948	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:

homyel.exeDpEditor.exe

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

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

Themida packer 15 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2304-130-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/2304-131-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/2304-132-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/2304-133-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/2304-134-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/2304-136-0x0000000000CD0000-0x000000000140F000-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
behavioral2/memory/2304-141-0x0000000000CD0000-0x000000000140F000-memory.dmp	themida
behavioral2/memory/1948-143-0x0000000000160000-0x000000000089F000-memory.dmp	themida
behavioral2/memory/1948-144-0x0000000000160000-0x000000000089F000-memory.dmp	themida
behavioral2/memory/1948-147-0x0000000000160000-0x000000000089F000-memory.dmp	themida
behavioral2/memory/1948-146-0x0000000000160000-0x000000000089F000-memory.dmp	themida
behavioral2/memory/1948-148-0x0000000000160000-0x000000000089F000-memory.dmp	themida
behavioral2/memory/1948-150-0x0000000000160000-0x000000000089F000-memory.dmp	themida

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 whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

DpEditor.exehomyel.exe

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

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

homyel.exeDpEditor.exe

pid process

2304 homyel.exe
1948 DpEditor.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1948 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

homyel.exeDpEditor.exe

pid process

2304 homyel.exe
2304 homyel.exe
1948 DpEditor.exe
1948 DpEditor.exe

pid	process
2304	homyel.exe
1948	DpEditor.exe

pid	process
1948	DpEditor.exe

pid	process
2304	homyel.exe
2304	homyel.exe
1948	DpEditor.exe
1948	DpEditor.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

homyel.exe

description	pid	process	target process
PID 2304 wrote to memory of 1948	2304	homyel.exe	DpEditor.exe
PID 2304 wrote to memory of 1948	2304	homyel.exe	DpEditor.exe
PID 2304 wrote to memory of 1948	2304	homyel.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\homyel.exe
"C:\Users\Admin\AppData\Local\Temp\homyel.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 WriteProcessMemory
PID:2304

C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
2⤵
- 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:1948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

2

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

3

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.8MB

MD5
8d83e980468557de9b7e71f7d972541b

SHA1
55a4226f5308ea659c68b61686af10398344de77

SHA256
ab406a77d2072ede4e117eaaaff8ed953a70f999044dc4beeac69a98853e8c9e

SHA512
ef2e404028c6e8239ad9f67b449c7546c96c6a918e9bcc3427574d809a3e4f9f7ea9e79b3a7584aa176b84e07934600c1b1cd1fbb25581788f3de15144cfe981

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.8MB

MD5
8d83e980468557de9b7e71f7d972541b

SHA1
55a4226f5308ea659c68b61686af10398344de77

SHA256
ab406a77d2072ede4e117eaaaff8ed953a70f999044dc4beeac69a98853e8c9e

SHA512
ef2e404028c6e8239ad9f67b449c7546c96c6a918e9bcc3427574d809a3e4f9f7ea9e79b3a7584aa176b84e07934600c1b1cd1fbb25581788f3de15144cfe981

Download Submit
memory/1948-144-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-143-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-150-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-149-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/1948-148-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-146-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-138-0x0000000000000000-mapping.dmp

Download
memory/1948-147-0x0000000000160000-0x000000000089F000-memory.dmp

Filesize
7.2MB

Download
memory/1948-145-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/2304-141-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-142-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/2304-133-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-131-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-130-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-132-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-137-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/2304-136-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download
memory/2304-135-0x00000000777B0000-0x0000000077953000-memory.dmp

Filesize
1.6MB

Download
memory/2304-134-0x0000000000CD0000-0x000000000140F000-memory.dmp

Filesize
7.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads