23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1

Resubmissions

28-03-2023 12:04

230328-n82zvaah58 7

20-03-2023 20:06

230320-yvd1zafb93 9

Analysis

max time kernel
149s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
20-03-2023 20:06

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General

Target

ca6b1b3b00d1bdccb7cc73255bc97329.exe
Size

6.8MB
MD5

ca6b1b3b00d1bdccb7cc73255bc97329
SHA1

88923d5bf5f29cab5fe3ac66459bc94d709b06a1
SHA256

23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1
SHA512

fd92162cb9fc5f0a22e25b17cf9386034121af061b821531823292778978f7f44c2e51a7eadc07e902560ec8cffd389a40dd32649ffe3782fbf956dc293224b3
SSDEEP

196608:V09b1yxhIsD1xLyVUZIBZjUQHQ8dq9XvjUQ:V09bsBvy2GjeV

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:

DpEditor.exeuptorn.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	DpEditor.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	uptorn.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.exeuptorn.exe

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

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1708 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

uptorn.exeDpEditor.exe

pid process

1456 uptorn.exe
1304 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeuptorn.exe

pid process

844 cmd.exe
1456 uptorn.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
1708	cmd.exe

pid	process
1456	uptorn.exe
1304	DpEditor.exe

pid	process
844	cmd.exe
1456	uptorn.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe	themida
\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe	themida
C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe	themida
behavioral1/memory/1456-156-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1456-157-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1456-158-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1456-159-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1456-160-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1456-161-0x00000000011A0000-0x000000000188B000-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/1456-166-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-169-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-170-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-171-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-172-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-173-0x00000000011A0000-0x000000000188B000-memory.dmp	themida
behavioral1/memory/1304-174-0x00000000011A0000-0x000000000188B000-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:

uptorn.exeDpEditor.exe

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

ca6b1b3b00d1bdccb7cc73255bc97329.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	ca6b1b3b00d1bdccb7cc73255bc97329.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ca6b1b3b00d1bdccb7cc73255bc97329.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

uptorn.exeDpEditor.exe

pid process

1456 uptorn.exe
1304 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
1456	uptorn.exe
1304	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:

ca6b1b3b00d1bdccb7cc73255bc97329.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	ca6b1b3b00d1bdccb7cc73255bc97329.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	ca6b1b3b00d1bdccb7cc73255bc97329.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ca6b1b3b00d1bdccb7cc73255bc97329.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1532 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1304 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

ca6b1b3b00d1bdccb7cc73255bc97329.exeuptorn.exeDpEditor.exe

pid process

1468 ca6b1b3b00d1bdccb7cc73255bc97329.exe
1468 ca6b1b3b00d1bdccb7cc73255bc97329.exe
1456 uptorn.exe
1304 DpEditor.exe

pid	process
1532	timeout.exe

pid	process
1304	DpEditor.exe

pid	process
1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe
1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe
1456	uptorn.exe
1304	DpEditor.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

ca6b1b3b00d1bdccb7cc73255bc97329.execmd.execmd.exeuptorn.exe

description	pid	process	target process
PID 1468 wrote to memory of 844	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 844	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 844	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 844	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 1708	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 1708	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 1708	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 1468 wrote to memory of 1708	1468	ca6b1b3b00d1bdccb7cc73255bc97329.exe	cmd.exe
PID 844 wrote to memory of 1456	844	cmd.exe	uptorn.exe
PID 844 wrote to memory of 1456	844	cmd.exe	uptorn.exe
PID 844 wrote to memory of 1456	844	cmd.exe	uptorn.exe
PID 844 wrote to memory of 1456	844	cmd.exe	uptorn.exe
PID 1708 wrote to memory of 1532	1708	cmd.exe	timeout.exe
PID 1708 wrote to memory of 1532	1708	cmd.exe	timeout.exe
PID 1708 wrote to memory of 1532	1708	cmd.exe	timeout.exe
PID 1708 wrote to memory of 1532	1708	cmd.exe	timeout.exe
PID 1456 wrote to memory of 1304	1456	uptorn.exe	DpEditor.exe
PID 1456 wrote to memory of 1304	1456	uptorn.exe	DpEditor.exe
PID 1456 wrote to memory of 1304	1456	uptorn.exe	DpEditor.exe
PID 1456 wrote to memory of 1304	1456	uptorn.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\ca6b1b3b00d1bdccb7cc73255bc97329.exe
"C:\Users\Admin\AppData\Local\Temp\ca6b1b3b00d1bdccb7cc73255bc97329.exe"
1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1468

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe
2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:844

C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe
C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.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:1456

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:1304

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\ca6b1b3b00d1bdccb7cc73255bc97329.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1708

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
3⤵
- Delays execution with timeout.exe
PID:1532

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\3B53.tmp
Filesize
32B

MD5
502ef3f3ece4863580320144bb4def88

SHA1
c9b0633d81023b22bd1ac521797b853fc4ba1014

SHA256
5e4a980e509800ef5eba533fbfb5e7f38bd55d4b72008bb14be344a6c699a945

SHA512
28d53daf4f9c126cd639bb52254c70cca7198de167b64fd938168bfa22410ac6dcc5d34f740aad44d6a6eb76334a5dd422a65e7e4f6ab809df7ff4d110110228

Download Submit
C:\Users\Admin\AppData\Local\Temp\3BE3.tmp
Filesize
71KB

MD5
7634ebd082abbba35a8e6a300ec83c51

SHA1
953666e70fbed932e4bed446f1d1e432781972b7

SHA256
792aa1b2f647c981a8778a35717809ff0783bc4b6c022e6ed049c1029f6c584f

SHA512
6f95e7c7c4548ad206294e5fc13f9ed0bad9476e5775ac4e06bd324c6e0a14382fcf5f604e5899084ee2f3733405716d60842f3393d5fa174902dbb055d40f3e

Download Submit
C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe
Filesize
2.7MB

MD5
c958ae268c1966cdce74530648a61e99

SHA1
704274ad1b508f7dcc2839519030ac9ff6f66a20

SHA256
cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245

SHA512
ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae

Download Submit
C:\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe
Filesize
2.7MB

MD5
c958ae268c1966cdce74530648a61e99

SHA1
704274ad1b508f7dcc2839519030ac9ff6f66a20

SHA256
cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245

SHA512
ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae

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

MD5
c958ae268c1966cdce74530648a61e99

SHA1
704274ad1b508f7dcc2839519030ac9ff6f66a20

SHA256
cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245

SHA512
ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae

Download Submit
\Users\Admin\AppData\Roaming\886A1A2FF0C1A124\uptorn.exe
Filesize
2.7MB

MD5
c958ae268c1966cdce74530648a61e99

SHA1
704274ad1b508f7dcc2839519030ac9ff6f66a20

SHA256
cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245

SHA512
ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae

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

MD5
c958ae268c1966cdce74530648a61e99

SHA1
704274ad1b508f7dcc2839519030ac9ff6f66a20

SHA256
cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245

SHA512
ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae

Download Submit
memory/844-155-0x0000000001F00000-0x00000000025EB000-memory.dmp

Filesize
6.9MB

Download
memory/1304-172-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1304-169-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1304-170-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1304-171-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1304-173-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1304-174-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-159-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-156-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-166-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-161-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-160-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-158-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1456-157-0x00000000011A0000-0x000000000188B000-memory.dmp

Filesize
6.9MB

Download
memory/1468-54-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1468-62-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1468-64-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1468-67-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1468-68-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/1468-70-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1468-73-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1468-71-0x0000000000300000-0x0000000000301000-memory.dmp

Filesize
4KB

Download
memory/1468-75-0x0000000000400000-0x0000000000F02000-memory.dmp

Filesize
11.0MB

Download
memory/1468-65-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1468-61-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1468-74-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/1468-60-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1468-59-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1468-58-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1468-57-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1468-56-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1468-55-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download