cryptbot | 7344321ef7a66c81d40e41f891bdc1679efdcceb62442913c9ea0ef3891026f1

Analysis

max time kernel
148s
max time network
31s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15-03-2023 09:32

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General

Target

15dbde1eabea6649931226bb8acd762b.exe
Size

791KB
MD5

15dbde1eabea6649931226bb8acd762b
SHA1

cf95d77766970f95610355e928b9a6a973dfe7ae
SHA256

7344321ef7a66c81d40e41f891bdc1679efdcceb62442913c9ea0ef3891026f1
SHA512

d92d8d555462bb5c9d67eb8eb93b2541897cdcf9837614658084baa78cf54ec1f0e62a64e7e76cebec8f42bcff5e13107103f3e24faedd8f408a1955c15f949c
SSDEEP

12288:heo+hRM3jZ/CBXTgsOptX5EHornL3hQx8ppd3KofmK+SzdAWCO9yum6XZsh/E6cf:ihUjZqBXEsOHpEU3W2Nx9l9e6289fH

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

http://ernblt32.top/gate.php

Attributes

payload_url
http:

Signatures

CryptBot
A C++ stealer distributed widely in bundle with other software.
spyware stealer cryptbot

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

ethrog.exeDpEditor.exe

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

ethrog.exeDpEditor.exe

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

2008 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

ethrog.exeDpEditor.exe

pid process

1048 ethrog.exe
1580 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeethrog.exe

pid process

2016 cmd.exe
1048 ethrog.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
2008	cmd.exe

pid	process
1048	ethrog.exe
1580	DpEditor.exe

pid	process
2016	cmd.exe
1048	ethrog.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe	themida
C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe	themida
\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe	themida
behavioral1/memory/1048-142-0x00000000008F0000-0x0000000000FD4000-memory.dmp	themida
behavioral1/memory/1048-145-0x00000000008F0000-0x0000000000FD4000-memory.dmp	themida
behavioral1/memory/1048-146-0x00000000008F0000-0x0000000000FD4000-memory.dmp	themida
behavioral1/memory/1048-147-0x00000000008F0000-0x0000000000FD4000-memory.dmp	themida
behavioral1/memory/1048-148-0x00000000008F0000-0x0000000000FD4000-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/1048-154-0x00000000008F0000-0x0000000000FD4000-memory.dmp	themida
behavioral1/memory/1580-155-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-156-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-157-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-158-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-159-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-160-0x0000000000F90000-0x0000000001674000-memory.dmp	themida
behavioral1/memory/1580-161-0x0000000000F90000-0x0000000001674000-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.exeethrog.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	ethrog.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:

15dbde1eabea6649931226bb8acd762b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	15dbde1eabea6649931226bb8acd762b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	15dbde1eabea6649931226bb8acd762b.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

ethrog.exeDpEditor.exe

pid process

1048 ethrog.exe
1580 DpEditor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

15dbde1eabea6649931226bb8acd762b.exe

description pid process target process

PID 1552 set thread context of 1292 1552 15dbde1eabea6649931226bb8acd762b.exe 15dbde1eabea6649931226bb8acd762b.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
1048	ethrog.exe
1580	DpEditor.exe

description	pid	process	target process
PID 1552 set thread context of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.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:

15dbde1eabea6649931226bb8acd762b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	15dbde1eabea6649931226bb8acd762b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	15dbde1eabea6649931226bb8acd762b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	15dbde1eabea6649931226bb8acd762b.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1300 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1580 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

15dbde1eabea6649931226bb8acd762b.exeethrog.exeDpEditor.exe

pid process

1292 15dbde1eabea6649931226bb8acd762b.exe
1048 ethrog.exe
1580 DpEditor.exe

pid	process
1300	timeout.exe

pid	process
1580	DpEditor.exe

pid	process
1292	15dbde1eabea6649931226bb8acd762b.exe
1048	ethrog.exe
1580	DpEditor.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

15dbde1eabea6649931226bb8acd762b.exe15dbde1eabea6649931226bb8acd762b.execmd.execmd.exeethrog.exe

description	pid	process	target process
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1552 wrote to memory of 1292	1552	15dbde1eabea6649931226bb8acd762b.exe	15dbde1eabea6649931226bb8acd762b.exe
PID 1292 wrote to memory of 2016	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2016	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2016	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2016	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2008	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2008	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2008	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 1292 wrote to memory of 2008	1292	15dbde1eabea6649931226bb8acd762b.exe	cmd.exe
PID 2016 wrote to memory of 1048	2016	cmd.exe	ethrog.exe
PID 2016 wrote to memory of 1048	2016	cmd.exe	ethrog.exe
PID 2016 wrote to memory of 1048	2016	cmd.exe	ethrog.exe
PID 2016 wrote to memory of 1048	2016	cmd.exe	ethrog.exe
PID 2008 wrote to memory of 1300	2008	cmd.exe	timeout.exe
PID 2008 wrote to memory of 1300	2008	cmd.exe	timeout.exe
PID 2008 wrote to memory of 1300	2008	cmd.exe	timeout.exe
PID 2008 wrote to memory of 1300	2008	cmd.exe	timeout.exe
PID 1048 wrote to memory of 1580	1048	ethrog.exe	DpEditor.exe
PID 1048 wrote to memory of 1580	1048	ethrog.exe	DpEditor.exe
PID 1048 wrote to memory of 1580	1048	ethrog.exe	DpEditor.exe
PID 1048 wrote to memory of 1580	1048	ethrog.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\15dbde1eabea6649931226bb8acd762b.exe
"C:\Users\Admin\AppData\Local\Temp\15dbde1eabea6649931226bb8acd762b.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1552

C:\Users\Admin\AppData\Local\Temp\15dbde1eabea6649931226bb8acd762b.exe
"C:\Users\Admin\AppData\Local\Temp\15dbde1eabea6649931226bb8acd762b.exe"
2⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1292

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016

C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
4⤵
- 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:1048

C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"
5⤵
- 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:1580

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\15dbde1eabea6649931226bb8acd762b.exe"
3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2008

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
4⤵
- Delays execution with timeout.exe
PID:1300

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\374D.tmp
Filesize
32B

MD5
9007aba6f5ee53a482249147787479b2

SHA1
4ac87bdc6d0eb472030d4f70d9aa265d7fdcb730

SHA256
9e1905de40a93ef8708e59f3861320b915c8cd029c7614d92cb526407d4cca0f

SHA512
ff645e2a70960ce438921c2dd1eaec811facf54a865b5977b9f8d1327ac2a499a99d42df80b9cb75ff8b4e7746194d4748b49b27cda17832c59d90091b5584fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\37ED.tmp
Filesize
71KB

MD5
dfeffc3924409d9c9d3c8cae05be922b

SHA1
a89046cbf54c00e17ff0a5f3e1a8f01eb399bce4

SHA256
06ea3ad1c1c1067bfdfaa5ad8a91632fac6cad9776ded85fa65d3b6181d89be6

SHA512
d9614ecf528a2bf48cafe99a4c54d5c9f3656d628001fbf575d367d5ad8008cf30a58a7b3d9489d8534064442df89a7263df4a91d0863dcd6cc33574c576da33

Download Submit
C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
C:\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
\Users\Admin\AppData\Roaming\44B0BD7D6DA11FBD\ethrog.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
memory/1048-142-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1048-154-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1048-148-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1048-147-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1048-146-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1048-145-0x00000000008F0000-0x0000000000FD4000-memory.dmp

Filesize
6.9MB

Download
memory/1292-55-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1292-56-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-54-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-137-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-57-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-58-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-59-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-65-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-64-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-62-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1292-60-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1580-155-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-156-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-157-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-158-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-159-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-160-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/1580-161-0x0000000000F90000-0x0000000001674000-memory.dmp

Filesize
6.9MB

Download
memory/2016-143-0x0000000001F10000-0x00000000025F4000-memory.dmp

Filesize
6.9MB

Download