cryptbot | 6f27311fdb767f86e996137271d5765b85f24d535f2c3c9641e87ee64e463791

Analysis

max time kernel
150s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
15-03-2023 12:35

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General

Target

b368ffcb6e9405d115f30bf7742b5e61.exe
Size

791KB
MD5

b368ffcb6e9405d115f30bf7742b5e61
SHA1

349f9aa31450f5dc605d9d087deafe98d451fb9a
SHA256

6f27311fdb767f86e996137271d5765b85f24d535f2c3c9641e87ee64e463791
SHA512

efbc8573b213b9d17c781e0c438779e1881d13f2be273d5fb1a4222ab06acd75caf869c1e3d59a88fe9631abe8d80266957e812c2e43bfe94a8092ec92caf5c6
SSDEEP

24576:7yffjBKLiM593mxxx0GE/swVweh2lT8DH:2vMGrED2loT

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\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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	ethrog.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1612 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

ethrog.exeDpEditor.exe

pid process

1156 ethrog.exe
1608 DpEditor.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exeethrog.exe

pid process

1336 cmd.exe
1156 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
1612	cmd.exe

pid	process
1156	ethrog.exe
1608	DpEditor.exe

pid	process
1336	cmd.exe
1156	ethrog.exe

Themida packer 18 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe	themida
C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe	themida
\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe	themida
behavioral1/memory/1156-145-0x0000000000F50000-0x0000000001634000-memory.dmp	themida
behavioral1/memory/1156-146-0x0000000000F50000-0x0000000001634000-memory.dmp	themida
behavioral1/memory/1156-148-0x0000000000F50000-0x0000000001634000-memory.dmp	themida
behavioral1/memory/1156-149-0x0000000000F50000-0x0000000001634000-memory.dmp	themida
behavioral1/memory/1156-150-0x0000000000F50000-0x0000000001634000-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/1156-155-0x0000000000F50000-0x0000000001634000-memory.dmp	themida
behavioral1/memory/1608-157-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-158-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-160-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-159-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-161-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-162-0x0000000000380000-0x0000000000A64000-memory.dmp	themida
behavioral1/memory/1608-163-0x0000000000380000-0x0000000000A64000-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:

ethrog.exeDpEditor.exe

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

b368ffcb6e9405d115f30bf7742b5e61.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	b368ffcb6e9405d115f30bf7742b5e61.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	b368ffcb6e9405d115f30bf7742b5e61.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

ethrog.exeDpEditor.exe

pid process

1156 ethrog.exe
1608 DpEditor.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

b368ffcb6e9405d115f30bf7742b5e61.exe

description pid process target process

PID 1716 set thread context of 1108 1716 b368ffcb6e9405d115f30bf7742b5e61.exe b368ffcb6e9405d115f30bf7742b5e61.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
1156	ethrog.exe
1608	DpEditor.exe

description	pid	process	target process
PID 1716 set thread context of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.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:

b368ffcb6e9405d115f30bf7742b5e61.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b368ffcb6e9405d115f30bf7742b5e61.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b368ffcb6e9405d115f30bf7742b5e61.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	b368ffcb6e9405d115f30bf7742b5e61.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1632 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1608 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

b368ffcb6e9405d115f30bf7742b5e61.exeethrog.exeDpEditor.exe

pid process

1108 b368ffcb6e9405d115f30bf7742b5e61.exe
1156 ethrog.exe
1608 DpEditor.exe

pid	process
1632	timeout.exe

pid	process
1608	DpEditor.exe

pid	process
1108	b368ffcb6e9405d115f30bf7742b5e61.exe
1156	ethrog.exe
1608	DpEditor.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

b368ffcb6e9405d115f30bf7742b5e61.exeb368ffcb6e9405d115f30bf7742b5e61.execmd.execmd.exeethrog.exe

description	pid	process	target process
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1716 wrote to memory of 1108	1716	b368ffcb6e9405d115f30bf7742b5e61.exe	b368ffcb6e9405d115f30bf7742b5e61.exe
PID 1108 wrote to memory of 1336	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1336	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1336	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1336	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1612	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1612	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1612	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1108 wrote to memory of 1612	1108	b368ffcb6e9405d115f30bf7742b5e61.exe	cmd.exe
PID 1612 wrote to memory of 1632	1612	cmd.exe	timeout.exe
PID 1612 wrote to memory of 1632	1612	cmd.exe	timeout.exe
PID 1612 wrote to memory of 1632	1612	cmd.exe	timeout.exe
PID 1612 wrote to memory of 1632	1612	cmd.exe	timeout.exe
PID 1336 wrote to memory of 1156	1336	cmd.exe	ethrog.exe
PID 1336 wrote to memory of 1156	1336	cmd.exe	ethrog.exe
PID 1336 wrote to memory of 1156	1336	cmd.exe	ethrog.exe
PID 1336 wrote to memory of 1156	1336	cmd.exe	ethrog.exe
PID 1156 wrote to memory of 1608	1156	ethrog.exe	DpEditor.exe
PID 1156 wrote to memory of 1608	1156	ethrog.exe	DpEditor.exe
PID 1156 wrote to memory of 1608	1156	ethrog.exe	DpEditor.exe
PID 1156 wrote to memory of 1608	1156	ethrog.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe
"C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1716

C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe
"C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"
2⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1108

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe
3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1336

C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe
C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\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:1156

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:1608

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\b368ffcb6e9405d115f30bf7742b5e61.exe"
3⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\timeout.exe
timeout -t 5
4⤵
- Delays execution with timeout.exe
PID:1632

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\218C.tmp
Filesize
32B

MD5
48255136fc205998b4ebbe6f72b5cdd0

SHA1
c6f2c7fdd75a999a61ddfb5b4923d6a0dad917b1

SHA256
00523df8a35803806212867d9f6ab89d17a1bfdd3aef5fbb1dc10fcd6faa114c

SHA512
c74a7e214f93d124aed393e00f720ac91ca46328f4edf710b26235145b676003261943e4779acbc52ef14667a78636968c04c1065ac5cc70ba9f54d6ab0226de

Download Submit
C:\Users\Admin\AppData\Local\Temp\226A.tmp
Filesize
71KB

MD5
6082dd13ad8102d17f9db9cd07600e97

SHA1
39becc88cea914d843b3c5521038907f2f2f4e71

SHA256
40a3f938c8c1eb929771c444d5f8887c42c7cde6281690e2071a2593ba92e48a

SHA512
b7d5c716b6339b3138492c8b0cf4c9540a8d8224f9d5e72e34ceab442bdfa9c855473bbed68a489851f019461e1b1f9d86baf067be556c67b948c930899d3c1e

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\ethrog.exe
Filesize
2.6MB

MD5
ce3eac76269dbad2418ffc80324753ce

SHA1
32554e64820bf80f36628605ce12518eaaedc744

SHA256
b20cc31047dae677fe78b0ce8cb9a5745edfa42a91f5467319eddf70775ed053

SHA512
25a737b667d932dab0592732c098e1f555b22b7b3fd1519a8cdb1325981190047fe4969bb2f608ccaf1625a0ba87fe0d01e33f3ec5e780e2289ad0439778bf17

Download Submit
C:\Users\Admin\AppData\Roaming\C7623F2C8A31DD65\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\C7623F2C8A31DD65\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/1108-55-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-64-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-59-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-60-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-61-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1108-57-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-140-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-58-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-56-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-54-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-65-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1108-62-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/1156-148-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1156-145-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1156-150-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1156-149-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1156-146-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1156-155-0x0000000000F50000-0x0000000001634000-memory.dmp

Filesize
6.9MB

Download
memory/1336-147-0x00000000020F0000-0x00000000027D4000-memory.dmp

Filesize
6.9MB

Download
memory/1608-157-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-158-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-160-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-159-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-161-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-162-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download
memory/1608-163-0x0000000000380000-0x0000000000A64000-memory.dmp

Filesize
6.9MB

Download