d2c445a8b7c0f17493dc52fdb23ca0d21231d578d6dd3814f24b2bbb5ddd7c40

Analysis

max time kernel
143s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2023 09:26

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General

Target

85caf92b6709de24e1c39c82c32395c1.exe
Size

6.3MB
MD5

85caf92b6709de24e1c39c82c32395c1
SHA1

20f570db9cc7d3b7d70ce155e6631d4305e2d97f
SHA256

d2c445a8b7c0f17493dc52fdb23ca0d21231d578d6dd3814f24b2bbb5ddd7c40
SHA512

ea8c0a635adc94fa3dcc17c638123de197fb2aadb8bf0fa1e03c91d3345d80b91e2069671a586907495c52d7e6d4449e0e060e5ba8ab8fa44f0979715183d9b4
SSDEEP

196608:V3i0h4AEWKrehfhTll3MTO2JnnJUaHYppfMn/8sEuF:Bxh4hwlhRyTOCeXMx

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:

DpEditor.exeyolden.exe

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

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:

85caf92b6709de24e1c39c82c32395c1.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1013461898-3711306144-4198452673-1000\Control Panel\International\Geo\Nation	85caf92b6709de24e1c39c82c32395c1.exe

Executes dropped EXE 2 IoCs

Processes:

yolden.exeDpEditor.exe

pid process

3092 yolden.exe
1188 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

pid	process
3092	yolden.exe
1188	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe	themida
C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe	themida
behavioral2/memory/3092-237-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/3092-238-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/3092-240-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/3092-239-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/3092-241-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/3092-242-0x0000000000890000-0x0000000000FE9000-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/3092-246-0x0000000000890000-0x0000000000FE9000-memory.dmp	themida
behavioral2/memory/1188-248-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-250-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-249-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-251-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-252-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-253-0x0000000000CF0000-0x0000000001449000-memory.dmp	themida
behavioral2/memory/1188-254-0x0000000000CF0000-0x0000000001449000-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:

85caf92b6709de24e1c39c82c32395c1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	85caf92b6709de24e1c39c82c32395c1.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	85caf92b6709de24e1c39c82c32395c1.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

yolden.exeDpEditor.exe

pid process

3092 yolden.exe
1188 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
3092	yolden.exe
1188	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:

85caf92b6709de24e1c39c82c32395c1.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	85caf92b6709de24e1c39c82c32395c1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	85caf92b6709de24e1c39c82c32395c1.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	85caf92b6709de24e1c39c82c32395c1.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3988 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1188 DpEditor.exe

pid	process
3988	timeout.exe

pid	process
1188	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

85caf92b6709de24e1c39c82c32395c1.exeyolden.exeDpEditor.exe

pid	process
3888	85caf92b6709de24e1c39c82c32395c1.exe
3888	85caf92b6709de24e1c39c82c32395c1.exe
3888	85caf92b6709de24e1c39c82c32395c1.exe
3888	85caf92b6709de24e1c39c82c32395c1.exe
3092	yolden.exe
3092	yolden.exe
1188	DpEditor.exe
1188	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

85caf92b6709de24e1c39c82c32395c1.execmd.execmd.exeyolden.exe

description	pid	process	target process
PID 3888 wrote to memory of 3556	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 3888 wrote to memory of 3556	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 3888 wrote to memory of 3556	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 3556 wrote to memory of 3092	3556	cmd.exe	yolden.exe
PID 3556 wrote to memory of 3092	3556	cmd.exe	yolden.exe
PID 3556 wrote to memory of 3092	3556	cmd.exe	yolden.exe
PID 3888 wrote to memory of 4180	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 3888 wrote to memory of 4180	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 3888 wrote to memory of 4180	3888	85caf92b6709de24e1c39c82c32395c1.exe	cmd.exe
PID 4180 wrote to memory of 3988	4180	cmd.exe	timeout.exe
PID 4180 wrote to memory of 3988	4180	cmd.exe	timeout.exe
PID 4180 wrote to memory of 3988	4180	cmd.exe	timeout.exe
PID 3092 wrote to memory of 1188	3092	yolden.exe	DpEditor.exe
PID 3092 wrote to memory of 1188	3092	yolden.exe	DpEditor.exe
PID 3092 wrote to memory of 1188	3092	yolden.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\85caf92b6709de24e1c39c82c32395c1.exe
"C:\Users\Admin\AppData\Local\Temp\85caf92b6709de24e1c39c82c32395c1.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:3888

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3556

C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe
C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe
3⤵
- 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: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3092

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:1188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\85caf92b6709de24e1c39c82c32395c1.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:4180

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:3988

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\7DB6.tmp
Filesize
32B

MD5
30b13d77deed1641dd87896b3fa0afd9

SHA1
466d549e6855c627e2901601e87b05bbc0f2c8fa

SHA256
1c359e1bda712f001a46a9044a202219838ee31cd29cc7551090a2db0913399a

SHA512
bfe239b285f044b3a01c938deb809bdd65ed3adb572c4ff909c25bcf5e036a6453ee1595b0d7b7c89334391e7128358e9d187f90e39c7dafbd58ccd928d7098e

Download Submit
C:\Users\Admin\AppData\Local\Temp\800C.tmp
Filesize
71KB

MD5
fb2e05653c3115d89013daa5132f08e0

SHA1
8ad3d1f4c1652c1e173d3201faf9fdd22b229351

SHA256
895ce9cfa9bd4ce960723e7adf0aba7eefff4c8cd5e46cad13cb791a39665077

SHA512
ca9b7fac566026fa87872d3fdfa32a5a571613b8d9cd4364e1b05d0682d52844c9d1a28c292d6d129d506a627a6cef2a0e6329f8c2ab28cd4388789f48399238

Download Submit
C:\Users\Admin\AppData\Local\Temp\874B.tmp
Filesize
2KB

MD5
1d65ace99a200cf0ac042936baf39f68

SHA1
acd9cd136a2b583c7d89dcbeffad15316921b145

SHA256
59f9c188335405db46c008bcd919293d3ea2e549db72d9f0f83ef34195809bc6

SHA512
bfc0c01bdca82c7d5ff2210d59049a65930500eaf40b26c2aa6d6149b971b5db63edc12ee5a0ee0ccd8a33bcfcb1063eb1bcf1bbc63788976baee47224bdf486

Download Submit
C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\yolden.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
C:\Users\Admin\AppData\Roaming\7CBC5073485B96B3\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
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.9MB

MD5
a7e8578e9d6b148ab0672940de0c07ce

SHA1
b37e6c687f63c139f8268e56122ab70c53ce3a23

SHA256
e575b5898027f553ecfbf897730712c833b3b1af02796e6a82d440a46d0042ed

SHA512
d6782e6645b4fae43330632ef24fc23b399789ad8e13ec6f105da2a76c411886111a87381a99d10c3c1e556c0da45fb742805ca396c3ab5b64f6c9975e9843c4

Download Submit
memory/1188-254-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-253-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-252-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-251-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-249-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-250-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/1188-248-0x0000000000CF0000-0x0000000001449000-memory.dmp

Filesize
7.3MB

Download
memory/3092-239-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-246-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-242-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-241-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-240-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-238-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3092-237-0x0000000000890000-0x0000000000FE9000-memory.dmp

Filesize
7.3MB

Download
memory/3888-133-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/3888-134-0x0000000000400000-0x0000000000E35000-memory.dmp

Filesize
10.2MB

Download