14933991bc1a703a89ae3a5f72b486bfb700f78adb81e1b3eee8ecaad99c35b8

Analysis

max time kernel
141s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1712 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

quetch.exeDpEditor.exe

pid process

1268 quetch.exe
692 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exequetch.exe

pid process

1092 cmd.exe
1268 quetch.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
1712	cmd.exe

pid	process
1268	quetch.exe
692	DpEditor.exe

pid	process
1092	cmd.exe
1268	quetch.exe

Themida packer 19 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe	themida
C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe	themida
\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe	themida
behavioral1/memory/1268-156-0x0000000000120000-0x0000000000812000-memory.dmp	themida
behavioral1/memory/1268-157-0x0000000000120000-0x0000000000812000-memory.dmp	themida
behavioral1/memory/1268-158-0x0000000000120000-0x0000000000812000-memory.dmp	themida
behavioral1/memory/1268-159-0x0000000000120000-0x0000000000812000-memory.dmp	themida
behavioral1/memory/1268-160-0x0000000000120000-0x0000000000812000-memory.dmp	themida
behavioral1/memory/1268-161-0x0000000000120000-0x0000000000812000-memory.dmp	themida
\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/1268-166-0x0000000000120000-0x0000000000812000-memory.dmp	themida
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe	themida
behavioral1/memory/692-168-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-169-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-170-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-172-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-171-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-173-0x0000000000E00000-0x00000000014F2000-memory.dmp	themida
behavioral1/memory/692-174-0x0000000000E00000-0x00000000014F2000-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:

quetch.exeDpEditor.exe

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

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

1268 quetch.exe
692 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
1268	quetch.exe
692	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	b81da24c4c1a9562e616cba0f8f56dda.exe
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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

800 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

692 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

b81da24c4c1a9562e616cba0f8f56dda.exequetch.exeDpEditor.exe

pid process

1724 b81da24c4c1a9562e616cba0f8f56dda.exe
1724 b81da24c4c1a9562e616cba0f8f56dda.exe
1268 quetch.exe
692 DpEditor.exe

pid	process
800	timeout.exe

pid	process
692	DpEditor.exe

pid	process
1724	b81da24c4c1a9562e616cba0f8f56dda.exe
1724	b81da24c4c1a9562e616cba0f8f56dda.exe
1268	quetch.exe
692	DpEditor.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

b81da24c4c1a9562e616cba0f8f56dda.execmd.execmd.exequetch.exe

description	pid	process	target process
PID 1724 wrote to memory of 1092	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1092	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1092	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1092	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1712	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1712	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1712	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1724 wrote to memory of 1712	1724	b81da24c4c1a9562e616cba0f8f56dda.exe	cmd.exe
PID 1712 wrote to memory of 800	1712	cmd.exe	timeout.exe
PID 1712 wrote to memory of 800	1712	cmd.exe	timeout.exe
PID 1712 wrote to memory of 800	1712	cmd.exe	timeout.exe
PID 1712 wrote to memory of 800	1712	cmd.exe	timeout.exe
PID 1092 wrote to memory of 1268	1092	cmd.exe	quetch.exe
PID 1092 wrote to memory of 1268	1092	cmd.exe	quetch.exe
PID 1092 wrote to memory of 1268	1092	cmd.exe	quetch.exe
PID 1092 wrote to memory of 1268	1092	cmd.exe	quetch.exe
PID 1268 wrote to memory of 692	1268	quetch.exe	DpEditor.exe
PID 1268 wrote to memory of 692	1268	quetch.exe	DpEditor.exe
PID 1268 wrote to memory of 692	1268	quetch.exe	DpEditor.exe
PID 1268 wrote to memory of 692	1268	quetch.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.exe
"C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.exe"
1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1724

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1092

C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe
C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.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:1268

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:692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\b81da24c4c1a9562e616cba0f8f56dda.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1712

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:800

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\13E5.tmp
Filesize
32B

MD5
48255136fc205998b4ebbe6f72b5cdd0

SHA1
c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1

SHA256
00523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c

SHA512
c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de

Download Submit
C:\Users\Admin\AppData\Local\Temp\14B4.tmp
Filesize
71KB

MD5
6082dd13ad8102d17f9db9cd07600e97

SHA1
39becc88cea914d843b3c5521038907f2f2f4e71

SHA256
40a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a

SHA512
b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\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
\Users\Admin\AppData\Roaming\C7623F2CC6239CB1\quetch.exe
Filesize
2.7MB

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

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

MD5
451121d833f97e5449190baffd353389

SHA1
8f91ab3c6ac32da8cfa21feb14d7ff00d73af081

SHA256
be9b3121eacd39b9178c850f1116dece9b4e0b5ebe7ad698214781f9d47018af

SHA512
f65c9f948ae4e21d58a1fcae70f54e59434a9419caaacdd31577b2660b946250b3a5625430d3ae8e70950b9c762b5d7cfb0bcc8253a8874991e0c7609b8a1922

Download Submit
memory/692-174-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-173-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-171-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-172-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-170-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-169-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/692-168-0x0000000000E00000-0x00000000014F2000-memory.dmp

Filesize
6.9MB

Download
memory/1092-155-0x0000000002060000-0x0000000002752000-memory.dmp

Filesize
6.9MB

Download
memory/1268-166-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-156-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-161-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-160-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-159-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-158-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1268-157-0x0000000000120000-0x0000000000812000-memory.dmp

Filesize
6.9MB

Download
memory/1724-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-62-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1724-74-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1724-57-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1724-58-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1724-59-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/1724-60-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download
memory/1724-75-0x0000000000400000-0x0000000000F18000-memory.dmp

Filesize
11.1MB

Download
memory/1724-55-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-73-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/1724-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1724-71-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1724-70-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1724-68-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1724-67-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1724-65-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1724-64-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1724-61-0x00000000002E0000-0x00000000002E1000-memory.dmp

Filesize
4KB

Download