c47966bfc7c6128b305486635208635e3b32651137ca91b967dc4b75b5c9244c

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
27-03-2023 01:46

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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\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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1280 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

2020 cumhal.exe
1716 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.execumhal.exe

pid process

1816 cmd.exe
2020 cumhal.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
1280	cmd.exe

pid	process
2020	cumhal.exe
1716	DpEditor.exe

pid	process
1816	cmd.exe
2020	cumhal.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe	themida
\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe	themida
C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe	themida
behavioral1/memory/2020-159-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/2020-160-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/2020-161-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/2020-162-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/2020-163-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/2020-164-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/2020-169-0x0000000001300000-0x0000000001A56000-memory.dmp	themida
behavioral1/memory/1716-171-0x0000000001250000-0x00000000019A6000-memory.dmp	themida
behavioral1/memory/1716-172-0x0000000001250000-0x00000000019A6000-memory.dmp	themida
behavioral1/memory/1716-173-0x0000000001250000-0x00000000019A6000-memory.dmp	themida
behavioral1/memory/1716-175-0x0000000001250000-0x00000000019A6000-memory.dmp	themida
behavioral1/memory/1716-176-0x0000000001250000-0x00000000019A6000-memory.dmp	themida
behavioral1/memory/1716-177-0x0000000001250000-0x00000000019A6000-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

2020 cumhal.exe
1716 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
2020	cumhal.exe
1716	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

580 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1716 DpEditor.exe

pid	process
580	timeout.exe

pid	process
1716	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.execumhal.exeDpEditor.exe

pid	process
1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
2020	cumhal.exe
1716	DpEditor.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.execmd.execmd.execumhal.exe

description	pid	process	target process
PID 1720 wrote to memory of 1816	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1816	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1816	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1816	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1816 wrote to memory of 2020	1816	cmd.exe	cumhal.exe
PID 1816 wrote to memory of 2020	1816	cmd.exe	cumhal.exe
PID 1816 wrote to memory of 2020	1816	cmd.exe	cumhal.exe
PID 1816 wrote to memory of 2020	1816	cmd.exe	cumhal.exe
PID 1720 wrote to memory of 1280	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1280	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1280	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1720 wrote to memory of 1280	1720	b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe	cmd.exe
PID 1280 wrote to memory of 580	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 580	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 580	1280	cmd.exe	timeout.exe
PID 1280 wrote to memory of 580	1280	cmd.exe	timeout.exe
PID 2020 wrote to memory of 1716	2020	cumhal.exe	DpEditor.exe
PID 2020 wrote to memory of 1716	2020	cumhal.exe	DpEditor.exe
PID 2020 wrote to memory of 1716	2020	cumhal.exe	DpEditor.exe
PID 2020 wrote to memory of 1716	2020	cumhal.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe
"C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe"
1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1816

C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe
C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.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:2020

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:1716

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\b06bf1b489aa7448b29376668aeb17392f2a266246010933b9fa38548c146d57.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1280

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:580

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\A44.tmp
Filesize
32B

MD5
be980f09a839e6ed95c511824ed5ca31

SHA1
4fa4d1f170a173f494e6032b1e423fc5be608416

SHA256
7bf0cb21745162f09e70776ac472fbd1e6a99a842d1d686f73a89be8d95a6928

SHA512
d2dd7d923e857fcc28c7ddfddc59b0a750d6f26bc194d5776a6e56d540c508bb878e701e4ce2fd6c9bb709866232b76c5254f13582d5a652aac5663b780c96f2

Download Submit
C:\Users\Admin\AppData\Local\Temp\AE4.tmp
Filesize
71KB

MD5
e5e81f0ae5ba9a2ac3db0a17d3c9f810

SHA1
c2d6bdf002325094ff399b1e4c36df575b48ee4f

SHA256
a9826445bacefee0847379551b63949c11cd58e505129c12743da87be48254f3

SHA512
cb77e1b933cc5c8a2ff8e0e8281f1d6d45b9d3bacbd0adef33515445fb00030cdb2cefc0b7fa22d2b2085b1751ee603027f82656c8b1c289cc71a2bdea630cce

Download Submit
C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
C:\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\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
\Users\Admin\AppData\Roaming\BA7596EB066F4F2A\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

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

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
memory/1716-175-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1716-171-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1716-172-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1716-173-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1716-176-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1716-177-0x0000000001250000-0x00000000019A6000-memory.dmp

Filesize
7.3MB

Download
memory/1720-64-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1720-54-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1720-73-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1720-74-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1720-75-0x0000000000400000-0x0000000000F34000-memory.dmp

Filesize
11.2MB

Download
memory/1720-70-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1720-68-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1720-67-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1720-65-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1720-60-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1720-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1720-55-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1720-56-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1720-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1720-57-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1720-58-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1720-59-0x00000000002D0000-0x00000000002D1000-memory.dmp

Filesize
4KB

Download
memory/1720-62-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1816-158-0x00000000020B0000-0x0000000002806000-memory.dmp

Filesize
7.3MB

Download
memory/2020-161-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-169-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-164-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-163-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-162-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-160-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download
memory/2020-159-0x0000000001300000-0x0000000001A56000-memory.dmp

Filesize
7.3MB

Download