3cf195cbc51f60067352512b16f9a7997645ae2c8c7e6317ab6fac2a4cace751

Analysis

max time kernel
145s
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 13:16

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General

Target

5e584781af90d5bce247cee27ebb5a1e.exe
Size

6.8MB
MD5

5e584781af90d5bce247cee27ebb5a1e
SHA1

6213c2300ae784be82200bc17d705bc2498ab554
SHA256

3cf195cbc51f60067352512b16f9a7997645ae2c8c7e6317ab6fac2a4cace751
SHA512

dfd3ed1db31adc0bd7e35c6e13afe48457b49beba22a0fa4bacebf38ea9c0771c4221d689743eb69e580329ec0e7b92e44dc5ee3bfdc57eef70158537caa96cf
SSDEEP

98304:NpKDRhV+4mGE0BoJN374r57mrfgs9TEAEzBUrjdiBEMQ2UEmFgpBHOSW:GDfV+LGBoJt74r+guTED+rUCzjn

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:

cumhal.exeDpEditor.exe

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

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:

5e584781af90d5bce247cee27ebb5a1e.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation	5e584781af90d5bce247cee27ebb5a1e.exe

Executes dropped EXE 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

4364 cumhal.exe
2880 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
4364	cumhal.exe
2880	DpEditor.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\cumhal.exe	themida
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\cumhal.exe	themida
behavioral2/memory/4364-246-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/4364-247-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/4364-248-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/4364-249-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/4364-250-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/4364-251-0x0000000000F20000-0x0000000001676000-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/4364-255-0x0000000000F20000-0x0000000001676000-memory.dmp	themida
behavioral2/memory/2880-257-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-258-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-259-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-260-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-261-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-262-0x0000000000070000-0x00000000007C6000-memory.dmp	themida
behavioral2/memory/2880-263-0x0000000000070000-0x00000000007C6000-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:

5e584781af90d5bce247cee27ebb5a1e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	5e584781af90d5bce247cee27ebb5a1e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	5e584781af90d5bce247cee27ebb5a1e.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

cumhal.exeDpEditor.exe

pid process

4364 cumhal.exe
2880 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
4364	cumhal.exe
2880	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:

5e584781af90d5bce247cee27ebb5a1e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	5e584781af90d5bce247cee27ebb5a1e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	5e584781af90d5bce247cee27ebb5a1e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	5e584781af90d5bce247cee27ebb5a1e.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2208 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

2880 DpEditor.exe

pid	process
2208	timeout.exe

pid	process
2880	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

5e584781af90d5bce247cee27ebb5a1e.execumhal.exeDpEditor.exe

pid	process
4972	5e584781af90d5bce247cee27ebb5a1e.exe
4972	5e584781af90d5bce247cee27ebb5a1e.exe
4972	5e584781af90d5bce247cee27ebb5a1e.exe
4972	5e584781af90d5bce247cee27ebb5a1e.exe
4364	cumhal.exe
4364	cumhal.exe
2880	DpEditor.exe
2880	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

5e584781af90d5bce247cee27ebb5a1e.execmd.execmd.execumhal.exe

description	pid	process	target process
PID 4972 wrote to memory of 316	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 4972 wrote to memory of 316	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 4972 wrote to memory of 316	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 4972 wrote to memory of 5108	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 4972 wrote to memory of 5108	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 4972 wrote to memory of 5108	4972	5e584781af90d5bce247cee27ebb5a1e.exe	cmd.exe
PID 5108 wrote to memory of 2208	5108	cmd.exe	timeout.exe
PID 5108 wrote to memory of 2208	5108	cmd.exe	timeout.exe
PID 5108 wrote to memory of 2208	5108	cmd.exe	timeout.exe
PID 316 wrote to memory of 4364	316	cmd.exe	cumhal.exe
PID 316 wrote to memory of 4364	316	cmd.exe	cumhal.exe
PID 316 wrote to memory of 4364	316	cmd.exe	cumhal.exe
PID 4364 wrote to memory of 2880	4364	cumhal.exe	DpEditor.exe
PID 4364 wrote to memory of 2880	4364	cumhal.exe	DpEditor.exe
PID 4364 wrote to memory of 2880	4364	cumhal.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\5e584781af90d5bce247cee27ebb5a1e.exe
"C:\Users\Admin\AppData\Local\Temp\5e584781af90d5bce247cee27ebb5a1e.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:4972

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\cumhal.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:316

C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\cumhal.exe
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\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:4364

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:2880

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\5e584781af90d5bce247cee27ebb5a1e.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:5108

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:2208

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\7CBC.tmp
Filesize
32B

MD5
6bb6e374b5dbd021622648b4d4e9afc7

SHA1
df356bb84780e332c960769d552f67d1f5221cce

SHA256
6546a2ec37419190b5f256f2c09efd90f8dd11fe98e5ae4521f8e07ecd64a2aa

SHA512
42b05356304dbbf2dd1ba7c7bc8dd2fcfc908d80fcd7c25771a3722ac946fd04575591d530e802799f8c17d9622db361f76b69c3985fd1ee63fce38777938644

Download Submit
C:\Users\Admin\AppData\Local\Temp\7EE3.tmp
Filesize
71KB

MD5
92d24961d2ebaacf1ace5463dfc9930d

SHA1
99ffaf6904ab616c33a37ce01d383e4a493df335

SHA256
9013688dec264c615178e151c2eb5f0b2eb9fe8cfad867b311d8581d921c73f3

SHA512
77598c77f219ab5234b8b84bcfe873f40e7464b224fac3c8568b300d3f2563f7ef5ad9ec5cccc0d719e7d3e489a164b04b6b36316196afea0b8051de3c751cc7

Download Submit
C:\Users\Admin\AppData\Local\Temp\876B.tmp
Filesize
2KB

MD5
dce9b749d38fdc247ab517e8a76e6102

SHA1
d6c5b6548e1a3da3326bd097c50c49fc7906be3f

SHA256
5087b8c7f2cecceac61d7bd02b939888cf2cc5a452676f28fd5c076eb1ae7ea7

SHA512
56c276f0a070da656c98520aa720994d78f1bf0bbb085a5f6fb4fd18fed2bbba1eb8e97b54d58eaa9a978d21d64678170f49c020feb19d8545d158a2d8d58446

Download Submit
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\cumhal.exe
Filesize
2.9MB

MD5
7f9a9c01f4cb2103b3cb04c7f4c94d4f

SHA1
3a6f6a2591fc20a2a8fb64b23be9ab917cc76258

SHA256
f07e5750e92c51b3eb2ebd1d740604f82463cf53e7166a3dede7495c6dfcd413

SHA512
1977204c6109f4f56fbd4cd3e0756fce9e6ffb3575b47e043658fb7ac40bc882270ab9347783e3191dac71bc3d3f86c53c2e1bcb479ee152842c4917e2a53c5c

Download Submit
C:\Users\Admin\AppData\Roaming\2F433E8539E8C4AC\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/2880-261-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-257-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-258-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-259-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-260-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-262-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/2880-263-0x0000000000070000-0x00000000007C6000-memory.dmp

Filesize
7.3MB

Download
memory/4364-255-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-248-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-249-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-250-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-251-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-247-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4364-246-0x0000000000F20000-0x0000000001676000-memory.dmp

Filesize
7.3MB

Download
memory/4972-133-0x0000000000FF0000-0x0000000000FF1000-memory.dmp

Filesize
4KB

Download
memory/4972-140-0x0000000000400000-0x0000000000F20000-memory.dmp

Filesize
11.1MB

Download
memory/4972-139-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/4972-138-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/4972-137-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

Filesize
4KB

Download
memory/4972-136-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

Filesize
4KB

Download
memory/4972-135-0x0000000002C80000-0x0000000002C81000-memory.dmp

Filesize
4KB

Download
memory/4972-134-0x0000000001000000-0x0000000001001000-memory.dmp

Filesize
4KB

Download