b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2023 19:01

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General

Target

786215476472e75e6ee2be84c1d2e989.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\SystemBiosVersion	DpEditor.exe
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

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:

786215476472e75e6ee2be84c1d2e989.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	786215476472e75e6ee2be84c1d2e989.exe

Executes dropped EXE 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

2484 cumhal.exe
1960 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
2484	cumhal.exe
1960	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\cumhal.exe	themida
C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\cumhal.exe	themida
behavioral2/memory/2484-246-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/2484-247-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/2484-248-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/2484-249-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/2484-250-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/2484-251-0x00000000007F0000-0x0000000000F46000-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/2484-255-0x00000000007F0000-0x0000000000F46000-memory.dmp	themida
behavioral2/memory/1960-257-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-258-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-259-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-260-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-261-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-262-0x0000000000FE0000-0x0000000001736000-memory.dmp	themida
behavioral2/memory/1960-263-0x0000000000FE0000-0x0000000001736000-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:

786215476472e75e6ee2be84c1d2e989.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	786215476472e75e6ee2be84c1d2e989.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	786215476472e75e6ee2be84c1d2e989.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

2484 cumhal.exe
1960 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
2484	cumhal.exe
1960	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:

786215476472e75e6ee2be84c1d2e989.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	786215476472e75e6ee2be84c1d2e989.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	786215476472e75e6ee2be84c1d2e989.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	786215476472e75e6ee2be84c1d2e989.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

772 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1960 DpEditor.exe

pid	process
772	timeout.exe

pid	process
1960	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

786215476472e75e6ee2be84c1d2e989.execumhal.exeDpEditor.exe

pid	process
3968	786215476472e75e6ee2be84c1d2e989.exe
3968	786215476472e75e6ee2be84c1d2e989.exe
3968	786215476472e75e6ee2be84c1d2e989.exe
3968	786215476472e75e6ee2be84c1d2e989.exe
2484	cumhal.exe
2484	cumhal.exe
1960	DpEditor.exe
1960	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

786215476472e75e6ee2be84c1d2e989.execmd.execmd.execumhal.exe

description	pid	process	target process
PID 3968 wrote to memory of 4976	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 3968 wrote to memory of 4976	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 3968 wrote to memory of 4976	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 4976 wrote to memory of 2484	4976	cmd.exe	cumhal.exe
PID 4976 wrote to memory of 2484	4976	cmd.exe	cumhal.exe
PID 4976 wrote to memory of 2484	4976	cmd.exe	cumhal.exe
PID 3968 wrote to memory of 1704	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 3968 wrote to memory of 1704	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 3968 wrote to memory of 1704	3968	786215476472e75e6ee2be84c1d2e989.exe	cmd.exe
PID 1704 wrote to memory of 772	1704	cmd.exe	timeout.exe
PID 1704 wrote to memory of 772	1704	cmd.exe	timeout.exe
PID 1704 wrote to memory of 772	1704	cmd.exe	timeout.exe
PID 2484 wrote to memory of 1960	2484	cumhal.exe	DpEditor.exe
PID 2484 wrote to memory of 1960	2484	cumhal.exe	DpEditor.exe
PID 2484 wrote to memory of 1960	2484	cumhal.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\786215476472e75e6ee2be84c1d2e989.exe
"C:\Users\Admin\AppData\Local\Temp\786215476472e75e6ee2be84c1d2e989.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:3968

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\cumhal.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4976

C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\cumhal.exe
C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\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:2484

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:1960

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\786215476472e75e6ee2be84c1d2e989.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1704

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:772

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\AFE2.tmp
Filesize
32B

MD5
18435224b67e2dce29d96efdf3369084

SHA1
3dc3ea4fc37493f0b223f416fcd8c28f331fbd88

SHA256
a7292bb308500cbe976fca209e0e02f5a22aa2ee51c6a603b32ab9e574bb0138

SHA512
66029de2edb19f78b1b5cfc6a15fd8d3d578c7eacf53ad5691cc25a084f2c332ccd87594fd850d822abf90670e6bfbb466fbc2ee0541beff0a94a039277acaf1

Download Submit
C:\Users\Admin\AppData\Local\Temp\B16D.tmp
Filesize
71KB

MD5
53bf804f75123ed2339305be1d298398

SHA1
33a337e3e219da8ecd237b44fbcaf4864124a012

SHA256
7d6155b8b6c9a78a70af6be7df47f1dac5f40215f4a6ae431d1ee27c021888f8

SHA512
7611c75031b77b6098f1e70c1b27e0a95f259616f8b2f8acc734e371998badf321c10c9fb8669d61615673f0fb65787f0398966bda38cd430e009c83df00e16e

Download Submit
C:\Users\Admin\AppData\Local\Temp\B85E.tmp
Filesize
2KB

MD5
b2446d155f77cf70a33bb0c25172fa3f

SHA1
c20d68dad9e872b4607a5677c4851f863c28daf7

SHA256
0faba9ea9b88b2982372c66b2eea8d6a5d99fc565c37db53ba6a4075619cfffb

SHA512
5d38e78c38f64a989570b431f7d2ef660c0678b3dc25baf3244499308535492de861a244e262720e36eeb4f8127eca62679c0b0383350c302783246191e82654

Download Submit
C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
C:\Users\Admin\AppData\Roaming\F55C879F972F43FD\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/1960-261-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-257-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-258-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-259-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-260-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-262-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/1960-263-0x0000000000FE0000-0x0000000001736000-memory.dmp

Filesize
7.3MB

Download
memory/2484-255-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-248-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-249-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-250-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-251-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-247-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/2484-246-0x00000000007F0000-0x0000000000F46000-memory.dmp

Filesize
7.3MB

Download
memory/3968-133-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/3968-140-0x0000000000400000-0x0000000000F34000-memory.dmp

Filesize
11.2MB

Download
memory/3968-139-0x0000000002CF0000-0x0000000002CF1000-memory.dmp

Filesize
4KB

Download
memory/3968-138-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/3968-137-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/3968-136-0x0000000001120000-0x0000000001121000-memory.dmp

Filesize
4KB

Download
memory/3968-135-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/3968-134-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download