14933991bc1a703a89ae3a5f72b486bfb700f78adb81e1b3eee8ecaad99c35b8

Analysis

max time kernel
147s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 08:31

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General

Target

b81da24c4c1a9562e616cba0f8f56dda.exe
Size

6.8MB
MD5

b81da24c4c1a9562e616cba0f8f56dda
SHA1

ca2632240d831468682a70affdb78bdc40645142
SHA256

14933991bc1a703a89ae3a5f72b486bfb700f78adb81e1b3eee8ecaad99c35b8
SHA512

8ecd6822a013d05e15e538277ab9298ba3856825ccc9685c3a984b7b2cc75df029c6bda28d390e5162d9f7149ee2bfa262044492372545a1244f6e482dd442af
SSDEEP

98304:E2W8dF7/mrq+Itl5rWjAphwMCZdCUAzRM4D8y++yKKBOm4ttJfFB1LHxIffuPyNj:E2z/mrq3PrWcad0+GDKYzxRau6NLY

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:

quetch.exeDpEditor.exe

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

quetch.exeDpEditor.exe

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

b81da24c4c1a9562e616cba0f8f56dda.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation	b81da24c4c1a9562e616cba0f8f56dda.exe

Executes dropped EXE 2 IoCs

Processes:

quetch.exeDpEditor.exe

pid process

5024 quetch.exe
4820 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
5024	quetch.exe
4820	DpEditor.exe

Themida packer 17 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe	themida
C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe	themida
behavioral2/memory/5024-252-0x0000000000DE0000-0x00000000014D2000-memory.dmp	themida
behavioral2/memory/5024-253-0x0000000000DE0000-0x00000000014D2000-memory.dmp	themida
behavioral2/memory/5024-254-0x0000000000DE0000-0x00000000014D2000-memory.dmp	themida
behavioral2/memory/5024-255-0x0000000000DE0000-0x00000000014D2000-memory.dmp	themida
behavioral2/memory/5024-256-0x0000000000DE0000-0x00000000014D2000-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/5024-260-0x0000000000DE0000-0x00000000014D2000-memory.dmp	themida
behavioral2/memory/4820-262-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-263-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-264-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-265-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-266-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-267-0x0000000000DA0000-0x0000000001492000-memory.dmp	themida
behavioral2/memory/4820-268-0x0000000000DA0000-0x0000000001492000-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:

DpEditor.exequetch.exe

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

b81da24c4c1a9562e616cba0f8f56dda.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	b81da24c4c1a9562e616cba0f8f56dda.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	b81da24c4c1a9562e616cba0f8f56dda.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

quetch.exeDpEditor.exe

pid process

5024 quetch.exe
4820 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
5024	quetch.exe
4820	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:

b81da24c4c1a9562e616cba0f8f56dda.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b81da24c4c1a9562e616cba0f8f56dda.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b81da24c4c1a9562e616cba0f8f56dda.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	b81da24c4c1a9562e616cba0f8f56dda.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3272 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

4820 DpEditor.exe

pid	process
3272	timeout.exe

pid	process
4820	DpEditor.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

b81da24c4c1a9562e616cba0f8f56dda.exequetch.exeDpEditor.exe

pid	process
1648	b81da24c4c1a9562e616cba0f8f56dda.exe
1648	b81da24c4c1a9562e616cba0f8f56dda.exe
1648	b81da24c4c1a9562e616cba0f8f56dda.exe
1648	b81da24c4c1a9562e616cba0f8f56dda.exe
5024	quetch.exe
5024	quetch.exe
4820	DpEditor.exe
4820	DpEditor.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

b81da24c4c1a9562e616cba0f8f56dda.execmd.execmd.exequetch.exe

description	pid	process	target process
PID 1648 wrote to memory of 4952	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1648 wrote to memory of 4952	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1648 wrote to memory of 4952	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1648 wrote to memory of 1696	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1648 wrote to memory of 1696	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1648 wrote to memory of 1696	1648	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 4952 wrote to memory of 5024	4952	cmd.exe	quetch.exe
PID 4952 wrote to memory of 5024	4952	cmd.exe	quetch.exe
PID 4952 wrote to memory of 5024	4952	cmd.exe	quetch.exe
PID 1696 wrote to memory of 3272	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 3272	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 3272	1696	cmd.exe	timeout.exe
PID 5024 wrote to memory of 4820	5024	quetch.exe	DpEditor.exe
PID 5024 wrote to memory of 4820	5024	quetch.exe	DpEditor.exe
PID 5024 wrote to memory of 4820	5024	quetch.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.exe
"C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.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:1648

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4952

C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe
C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.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:5024

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:4820

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:3272

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\7980.tmp
Filesize
32B

MD5
bc8f87470596daf0d93976daf3ea0138

SHA1
8d95a828ce42c87b0427c0a59dfab2291c493762

SHA256
4611793c20d45a907ee3ad40bd7f40da8aa2449a3b13f63113d55f248d928b86

SHA512
7a38a2e0585d423c42a3b7fb5143bfe503100ee29532bfcc13bd19820942349c013d5e17ddfd9b010b5c9df7b81cd1be65a7fd7b3fb3419004689f0e1cbe6662

Download Submit
C:\Users\Admin\AppData\Local\Temp\7B3A.tmp
Filesize
71KB

MD5
dc2b0f48d8f547d5ff7d67b371d850f0

SHA1
84d02ddbf478bf7cfe9ccb466362860ee18b3839

SHA256
0434c46910f48821a0a442b510260a3faea9404d7e6a8edd2cf44cc7dfea3890

SHA512
3470ae3db7053a7e606a221f97f8cadf58500a746daaa4c763d714fe99df026d1c7858aaaf6d34ec1bbaa5305f8eead00101b6a7ac6f4d457425d04bcf92e8d7

Download Submit
C:\Users\Admin\AppData\Local\Temp\81DD.tmp
Filesize
2KB

MD5
dd7a4110e2dc0760efdd47ee918c0deb

SHA1
5ed5efe128e521023e0caf4fff9af747522c8166

SHA256
550ad8794d9ec26bc7e09225cb1cbe648ee7c1c2349aabec8172f08bdec26084

SHA512
c928725e5f010d371727aadcc057da91378a0b24c66b2848217e9186dd319b6bf09c0859d7bf523ff1736fc41591eb25662a900fbe3977b63132a0c40dcd35dc

Download Submit
C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
C:\Users\Admin\AppData\Roaming\1FB05B6472287FBB\quetch.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
memory/1648-136-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

Filesize
4KB

Download
memory/1648-140-0x0000000000400000-0x0000000000F18000-memory.dmp

Filesize
11.1MB

Download
memory/1648-139-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/1648-137-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

Filesize
4KB

Download
memory/1648-138-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

Filesize
4KB

Download
memory/1648-135-0x00000000010E0000-0x00000000010E1000-memory.dmp

Filesize
4KB

Download
memory/1648-133-0x00000000010C0000-0x00000000010C1000-memory.dmp

Filesize
4KB

Download
memory/1648-134-0x00000000010D0000-0x00000000010D1000-memory.dmp

Filesize
4KB

Download
memory/4820-262-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-263-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-264-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-265-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-266-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-267-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/4820-268-0x0000000000DA0000-0x0000000001492000-memory.dmp

Filesize
6.9MB

Download
memory/5024-255-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download
memory/5024-256-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download
memory/5024-254-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download
memory/5024-253-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download
memory/5024-260-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download
memory/5024-252-0x0000000000DE0000-0x00000000014D2000-memory.dmp

Filesize
6.9MB

Download