1cfa114e335202d50659ca4baec2671111f5a133a3f6817d7095c9670efde514

Analysis

max time kernel
143s
max time network
129s
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 07:56

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General

Target

802adde2f73b801001415c095fcaffe3.exe
Size

6.8MB
MD5

802adde2f73b801001415c095fcaffe3
SHA1

e787c97d506802f78922e71a809f042e0b8a4239
SHA256

1cfa114e335202d50659ca4baec2671111f5a133a3f6817d7095c9670efde514
SHA512

9f583a0f19aaad94172d08d1fb673e947a95b47d264aab4bbc9a8cb0bd3c1704298bbb618cbfb5a3e386b43c1bdb4b3a218c10f3eab2434db7c605e913c7ae4e
SSDEEP

196608:rAgI4S0Ob45Tswtb/Yl/3+MFFT2qvW7ySS:caOb4BPx/wv+MFl2qvW7ySS

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:

802adde2f73b801001415c095fcaffe3.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	802adde2f73b801001415c095fcaffe3.exe

Executes dropped EXE 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

2812 cumhal.exe
2072 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
2812	cumhal.exe
2072	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\cumhal.exe	themida
C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\cumhal.exe	themida
behavioral2/memory/2812-243-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2812-244-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2812-245-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2812-246-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2812-247-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2812-248-0x0000000000700000-0x0000000000E56000-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/2812-253-0x0000000000700000-0x0000000000E56000-memory.dmp	themida
behavioral2/memory/2072-255-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-254-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-256-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-257-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-258-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-259-0x0000000000980000-0x00000000010D6000-memory.dmp	themida
behavioral2/memory/2072-260-0x0000000000980000-0x00000000010D6000-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:

802adde2f73b801001415c095fcaffe3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	802adde2f73b801001415c095fcaffe3.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	802adde2f73b801001415c095fcaffe3.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

2812 cumhal.exe
2072 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
2812	cumhal.exe
2072	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:

802adde2f73b801001415c095fcaffe3.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	802adde2f73b801001415c095fcaffe3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	802adde2f73b801001415c095fcaffe3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	802adde2f73b801001415c095fcaffe3.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3464 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

2072 DpEditor.exe

pid	process
3464	timeout.exe

pid	process
2072	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

802adde2f73b801001415c095fcaffe3.execumhal.exeDpEditor.exe

pid	process
1392	802adde2f73b801001415c095fcaffe3.exe
1392	802adde2f73b801001415c095fcaffe3.exe
1392	802adde2f73b801001415c095fcaffe3.exe
1392	802adde2f73b801001415c095fcaffe3.exe
2812	cumhal.exe
2812	cumhal.exe
2072	DpEditor.exe
2072	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

802adde2f73b801001415c095fcaffe3.execmd.execmd.execumhal.exe

description	pid	process	target process
PID 1392 wrote to memory of 3176	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 1392 wrote to memory of 3176	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 1392 wrote to memory of 3176	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 3176 wrote to memory of 2812	3176	cmd.exe	cumhal.exe
PID 3176 wrote to memory of 2812	3176	cmd.exe	cumhal.exe
PID 3176 wrote to memory of 2812	3176	cmd.exe	cumhal.exe
PID 1392 wrote to memory of 2336	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 1392 wrote to memory of 2336	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 1392 wrote to memory of 2336	1392	802adde2f73b801001415c095fcaffe3.exe	cmd.exe
PID 2336 wrote to memory of 3464	2336	cmd.exe	timeout.exe
PID 2336 wrote to memory of 3464	2336	cmd.exe	timeout.exe
PID 2336 wrote to memory of 3464	2336	cmd.exe	timeout.exe
PID 2812 wrote to memory of 2072	2812	cumhal.exe	DpEditor.exe
PID 2812 wrote to memory of 2072	2812	cumhal.exe	DpEditor.exe
PID 2812 wrote to memory of 2072	2812	cumhal.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.exe
"C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.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:1392

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\cumhal.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3176

C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\cumhal.exe
C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\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:2812

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:2072

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\802adde2f73b801001415c095fcaffe3.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2336

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:3464

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\D184.tmp
Filesize
32B

MD5
6c99c51d3621703961bde7b5fd85ec77

SHA1
475ed624240c8a2dc0efc8fdacddf835ac30dc57

SHA256
abddf52ee2be0061ff49a15e681ee212fa054043cba80aa8a7064b71020f13ef

SHA512
e29df0d87187a86dd5c54ff84d925af85d9355d67ff8b8bdd7ba72305c1fd1e34551aafafa4295566a9ad1715c736ceedbe9f066e0d400fd33f82f537d4bcec4

Download Submit
C:\Users\Admin\AppData\Local\Temp\D3CA.tmp
Filesize
71KB

MD5
386c014d0948d4fc41afa98cfca9022e

SHA1
786cc52d9b962f55f92202c7d50c3707eb62607b

SHA256
448b329f3a10bbe3e8f86cd91509c2783b63d28a375231eb23724f5e141420f2

SHA512
13d46209c6b052977d6242763b54ac5e35b389e765c82ba773b520ebf5eacabdfdc22b642cb9760e39ad59dd82fa40a31a8d41fd6dd7ea9c9ad08c57b7d8150f

Download Submit
C:\Users\Admin\AppData\Local\Temp\DB67.tmp
Filesize
2KB

MD5
77e31b1123e94ce5720ceb729a425798

SHA1
2b65c95f27d8dca23864a3ed4f78490039ae27bf

SHA256
68cafb091d3642a1ad2440bdb51834086945ded836ea25c8f75de7e5fc568d85

SHA512
9c660381b859040e20745a1cf42646af3bd3780e2795a5ff3cedc61db9877b608d1fc431a1bd3ba3f25dd3643898b1c0f2abfc067c6634e4ce65de2d4c0c724a

Download Submit
C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
C:\Users\Admin\AppData\Roaming\836CD7B6BE0C4B1F\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/1392-139-0x0000000001100000-0x0000000001101000-memory.dmp

Filesize
4KB

Download
memory/1392-133-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/1392-138-0x00000000010F0000-0x00000000010F1000-memory.dmp

Filesize
4KB

Download
memory/1392-134-0x0000000001090000-0x0000000001091000-memory.dmp

Filesize
4KB

Download
memory/1392-137-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/1392-136-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/1392-135-0x00000000010A0000-0x00000000010A1000-memory.dmp

Filesize
4KB

Download
memory/1392-140-0x0000000000400000-0x0000000000F26000-memory.dmp

Filesize
11.1MB

Download
memory/2072-259-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-258-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-257-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-256-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-260-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-255-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2072-254-0x0000000000980000-0x00000000010D6000-memory.dmp

Filesize
7.3MB

Download
memory/2812-244-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-253-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-248-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-247-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-246-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-245-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download
memory/2812-243-0x0000000000700000-0x0000000000E56000-memory.dmp

Filesize
7.3MB

Download