d58c6bfb7dac50a0b5d8604180c31d6192b628d274c329d0d5d54afb0589c6a4

Analysis

max time kernel
149s
max time network
30s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 13:21

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General

Target

eef8e729667bcee15a2bb0914868f36a.exe
Size

6.8MB
MD5

eef8e729667bcee15a2bb0914868f36a
SHA1

e9d6bf8fd5361b3f3a313b1b44fb757c26662ba3
SHA256

d58c6bfb7dac50a0b5d8604180c31d6192b628d274c329d0d5d54afb0589c6a4
SHA512

ac41cc65f69bcce246e98dbf8c42bd959d734c7528699d8c16502fab70fc3aef650202306085b6357673928a4e33bdc2d6ab1aab79cfcc7b2c0fb4c243931ee7
SSDEEP

196608:sQxvroiknVp4TygzbPu/33wnH56sYiFP3+m6bDdWpFGJThDlta6aU:FoiknVpK+/3gH5wiFPObwpF4Tdha

Score

9^/10

discovery evasion 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:

yolden.exeDpEditor.exe

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

yolden.exeDpEditor.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1696 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

yolden.exeDpEditor.exe

pid process

1496 yolden.exe
1416 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeyolden.exe

pid process

1656 cmd.exe
1496 yolden.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

pid	process
1696	cmd.exe

pid	process
1496	yolden.exe
1416	DpEditor.exe

pid	process
1656	cmd.exe
1496	yolden.exe

Themida packer 20 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe	themida
C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe	themida
C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe	themida
behavioral1/memory/1496-161-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
behavioral1/memory/1496-164-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
behavioral1/memory/1496-166-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
behavioral1/memory/1496-165-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
behavioral1/memory/1496-162-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
behavioral1/memory/1496-167-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/1496-172-0x0000000000E10000-0x0000000001569000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/1416-174-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-175-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-176-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-177-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-178-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-179-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-180-0x0000000000E20000-0x0000000001579000-memory.dmp	themida
behavioral1/memory/1416-181-0x0000000000E20000-0x0000000001579000-memory.dmp	themida

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

Data from Local System
T1005

Credentials in Files
T1081
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:

yolden.exeDpEditor.exe

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

eef8e729667bcee15a2bb0914868f36a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	eef8e729667bcee15a2bb0914868f36a.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	eef8e729667bcee15a2bb0914868f36a.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

Processes:

eef8e729667bcee15a2bb0914868f36a.exeyolden.exeDpEditor.exe

pid process

1544 eef8e729667bcee15a2bb0914868f36a.exe
1544 eef8e729667bcee15a2bb0914868f36a.exe
1496 yolden.exe
1416 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
1544	eef8e729667bcee15a2bb0914868f36a.exe
1544	eef8e729667bcee15a2bb0914868f36a.exe
1496	yolden.exe
1416	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:

eef8e729667bcee15a2bb0914868f36a.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	eef8e729667bcee15a2bb0914868f36a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	eef8e729667bcee15a2bb0914868f36a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	eef8e729667bcee15a2bb0914868f36a.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

664 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1416 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

eef8e729667bcee15a2bb0914868f36a.exeyolden.exeDpEditor.exe

pid process

1544 eef8e729667bcee15a2bb0914868f36a.exe
1544 eef8e729667bcee15a2bb0914868f36a.exe
1496 yolden.exe
1416 DpEditor.exe

pid	process
664	timeout.exe

pid	process
1416	DpEditor.exe

pid	process
1544	eef8e729667bcee15a2bb0914868f36a.exe
1544	eef8e729667bcee15a2bb0914868f36a.exe
1496	yolden.exe
1416	DpEditor.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

eef8e729667bcee15a2bb0914868f36a.execmd.execmd.exeyolden.exe

description	pid	process	target process
PID 1544 wrote to memory of 1656	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1656	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1656	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1656	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1656 wrote to memory of 1496	1656	cmd.exe	yolden.exe
PID 1656 wrote to memory of 1496	1656	cmd.exe	yolden.exe
PID 1656 wrote to memory of 1496	1656	cmd.exe	yolden.exe
PID 1656 wrote to memory of 1496	1656	cmd.exe	yolden.exe
PID 1544 wrote to memory of 1696	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1696	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1696	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1544 wrote to memory of 1696	1544	eef8e729667bcee15a2bb0914868f36a.exe	cmd.exe
PID 1696 wrote to memory of 664	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 664	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 664	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 664	1696	cmd.exe	timeout.exe
PID 1496 wrote to memory of 1416	1496	yolden.exe	DpEditor.exe
PID 1496 wrote to memory of 1416	1496	yolden.exe	DpEditor.exe
PID 1496 wrote to memory of 1416	1496	yolden.exe	DpEditor.exe
PID 1496 wrote to memory of 1416	1496	yolden.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\eef8e729667bcee15a2bb0914868f36a.exe
"C:\Users\Admin\AppData\Local\Temp\eef8e729667bcee15a2bb0914868f36a.exe"
1⤵
- Maps connected drives based on registry
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1544

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1656

C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1496

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)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:1416

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\eef8e729667bcee15a2bb0914868f36a.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:664

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\1FA8.tmp
Filesize
32B

MD5
3b33d980229e76222b961d17fd5aa43d

SHA1
43a761a68478e66db8f1dbce4b7a56ff2ce4fd20

SHA256
bd6e8000665e82408208cdf1fcc74a925c13c5a6492c252ca0153ce19f4141d3

SHA512
8e4e22744ed0e62a86d2df15df709b1498beea7359b64ac086679ef0fbceacd94ab9fca452b1234bbef17a87f5c6200104e84b934b8ed4bad3b1d26c68b5729d

Download Submit
C:\Users\Admin\AppData\Local\Temp\2077.tmp
Filesize
71KB

MD5
6a3c2fe239e67cd5804a699b9aa54b07

SHA1
018091f0c903173dec18cd10e0e00889f0717d67

SHA256
160b3bbb5a6845c2bc01355921c466e8b3ecc05de44888e5a4b27962898d7168

SHA512
aaf0f6171b6e4f6b143369a074357bac219e7efa56b6bee77988baa9264d76231b0c3df6922d2b2c95a1acf9901b81bcc76f783284fc5be02a789199d4dcbe37

Download Submit
C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
C:\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
\Users\Admin\AppData\Roaming\C3B5D66740B0A4B3\yolden.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
memory/1416-176-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-174-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-180-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-179-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-178-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-177-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-181-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1416-175-0x0000000000E20000-0x0000000001579000-memory.dmp

Filesize
7.3MB

Download
memory/1496-161-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-172-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-167-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-162-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-165-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-166-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1496-164-0x0000000000E10000-0x0000000001569000-memory.dmp

Filesize
7.3MB

Download
memory/1544-73-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1544-54-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1544-57-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1544-56-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1544-59-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1544-62-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1544-60-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1544-78-0x0000000000400000-0x0000000000F53000-memory.dmp

Filesize
11.3MB

Download
memory/1544-77-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1544-76-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/1544-74-0x00000000002A0000-0x00000000002A1000-memory.dmp

Filesize
4KB

Download
memory/1544-58-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/1544-61-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/1544-55-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/1544-71-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1544-70-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/1544-68-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1544-67-0x0000000000280000-0x0000000000281000-memory.dmp

Filesize
4KB

Download
memory/1544-65-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1544-64-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1544-63-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1656-163-0x00000000020B0000-0x0000000002809000-memory.dmp

Filesize
7.3MB

Download