c47966bfc7c6128b305486635208635e3b32651137ca91b967dc4b75b5c9244c

Analysis

max time kernel
146s
max time network
151s
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 01:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
Size

6.8MB
MD5

786215476472e75e6ee2be84c1d2e989
SHA1

19e7ea1e6cd82a302b68c0642898786bdd2bc489
SHA256

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57
SHA512

42c917ed56eeaa58d391314869d8f099dcf9baff7ab23a39518e171e445d838002a69b04ab941af8b58ce7b7e2d198b3aa9dd8ec929525faa9a02d04d749c7c1
SSDEEP

196608:LzJ3OmjEn9v0J+Mq6Br++jcf/27E6AeUStw6qadZm:vJ3OmjE9v0Jhq6ncHQby0qadZm

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:

cumhal.exeDpEditor.exe

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

DpEditor.execumhal.exe

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

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

Executes dropped EXE 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

3912 cumhal.exe
2240 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
3912	cumhal.exe
2240	DpEditor.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe	themida
C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe	themida
behavioral2/memory/3912-246-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/3912-247-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/3912-248-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/3912-249-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/3912-250-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/3912-251-0x0000000000110000-0x0000000000866000-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/3912-255-0x0000000000110000-0x0000000000866000-memory.dmp	themida
behavioral2/memory/2240-257-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-258-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-259-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-260-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-261-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-262-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-263-0x0000000000A40000-0x0000000001196000-memory.dmp	themida
behavioral2/memory/2240-264-0x0000000000A40000-0x0000000001196000-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:

cumhal.exeDpEditor.exe

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

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

3912 cumhal.exe
2240 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
3912	cumhal.exe
2240	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:

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1004 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

2240 DpEditor.exe

pid	process
1004	timeout.exe

pid	process
2240	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.execumhal.exeDpEditor.exe

pid	process
4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
3912	cumhal.exe
3912	cumhal.exe
2240	DpEditor.exe
2240	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.execmd.execmd.execumhal.exe

description	pid	process	target process
PID 4736 wrote to memory of 2168	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 4736 wrote to memory of 2168	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 4736 wrote to memory of 2168	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 2168 wrote to memory of 3912	2168	cmd.exe	cumhal.exe
PID 2168 wrote to memory of 3912	2168	cmd.exe	cumhal.exe
PID 2168 wrote to memory of 3912	2168	cmd.exe	cumhal.exe
PID 4736 wrote to memory of 5084	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 4736 wrote to memory of 5084	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 4736 wrote to memory of 5084	4736	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 5084 wrote to memory of 1004	5084	cmd.exe	timeout.exe
PID 5084 wrote to memory of 1004	5084	cmd.exe	timeout.exe
PID 5084 wrote to memory of 1004	5084	cmd.exe	timeout.exe
PID 3912 wrote to memory of 2240	3912	cumhal.exe	DpEditor.exe
PID 3912 wrote to memory of 2240	3912	cumhal.exe	DpEditor.exe
PID 3912 wrote to memory of 2240	3912	cumhal.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
"C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.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:4736

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2168

C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe
C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.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:3912

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:2240

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:5084

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:1004

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\8289.tmp
Filesize
32B

MD5
bc8f87470596daf0d93976daf3ea0138

SHA1
8d95a828ce42c87b0427c0a59dfab2291c493762

SHA256
4611793c20d45a907ee3ad40bd7f40da8aa2449a3b13f63113d55f248d928b86

SHA512
7a38a2e0585d423c42a3b7fb5143bfe503100ee29532bfcc13bd19820942349c013d5e17ddfd9b010b5c9df7b81cd1be65a7fd7b3fb3419004689f0e1cbe6662

Download Submit
C:\Users\Admin\AppData\Local\Temp\84B0.tmp
Filesize
71KB

MD5
dc2b0f48d8f547d5ff7d67b371d850f0

SHA1
84d02ddbf478bf7cfe9ccb466362860ee18b3839

SHA256
0434c46910f48821a0a442b510260a3faea9404d7e6a8edd2cf44cc7dfea3890

SHA512
3470ae3db7053a7e606a221f97f8cadf58500a746daaa4c763d714fe99df026d1c7858aaaf6d34ec1bbaa5305f8eead00101b6a7ac6f4d457425d04bcf92e8d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\8B81.tmp
Filesize
2KB

MD5
dd7a4110e2dc0760efdd47ee918c0deb

SHA1
5ed5efe128e521023e0caf4fff9af747522c8166

SHA256
550ad8794d9ec26bc7e09225cb1cbe648ee7c1c2349aabec8172f08bdec26084

SHA512
c928725e5f010d371727aadcc057da91378a0b24c66b2848217e9186dd319b6bf09c0859d7bf523ff1736fc41591eb25662a900fbe3977b63132a0c40dcd35dc

Download Submit
C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
C:\Users\Admin\AppData\Roaming\1FB05B6476B71220\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

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

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

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

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
memory/2240-262-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-258-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-259-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-260-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-261-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-263-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-257-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/2240-264-0x0000000000A40000-0x0000000001196000-memory.dmp

Filesize
7.3MB

Download
memory/3912-255-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-246-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-250-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-251-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-248-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-247-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/3912-249-0x0000000000110000-0x0000000000866000-memory.dmp

Filesize
7.3MB

Download
memory/4736-133-0x0000000000F80000-0x0000000000F81000-memory.dmp

Filesize
4KB

Download
memory/4736-140-0x0000000000400000-0x0000000000F34000-memory.dmp

Filesize
11.2MB

Download
memory/4736-139-0x0000000002DF0000-0x0000000002DF1000-memory.dmp

Filesize
4KB

Download
memory/4736-138-0x0000000001140000-0x0000000001141000-memory.dmp

Filesize
4KB

Download
memory/4736-137-0x0000000001130000-0x0000000001131000-memory.dmp

Filesize
4KB

Download
memory/4736-136-0x0000000001120000-0x0000000001121000-memory.dmp

Filesize
4KB

Download
memory/4736-135-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/4736-134-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download