cryptbot | af0403b7c12d7b7fa9c487eb4a6e68705e9247abf7bc542f77168bd4ed3408fb

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
submitted
20-09-2022 15:37

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General

Target

51190e0dc5495766f83213fd34009af5.exe
Size

2.5MB
MD5

51190e0dc5495766f83213fd34009af5
SHA1

69d9b3995105cdfb7a86f3bbf9386ef214fb1290
SHA256

af0403b7c12d7b7fa9c487eb4a6e68705e9247abf7bc542f77168bd4ed3408fb
SHA512

fc5e535f3329e5042546b7f491a652152293bfeafedef2e06e0eba5706a16cc946c64f130d34879be6de6a740ae520fc65143910e29ab5bb3f48ffb63a8a5b28
SSDEEP

24576:YoqqcSy2wbUXoArd8SFErUYZ+uNrLFW5CPNWqo0N4IJpsqbMFGf0gAF0NPHyO034:CqcJdiq+WZdgGf6RuyVJi

Score

10^/10

cryptbot discovery evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

http://dixuip12.top/gate.php

Attributes

payload_url
http://luedil01.top/bhutan.dat

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:

DpEditor.exebhutan.exe

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

Executes dropped EXE 2 IoCs

Processes:

bhutan.exeDpEditor.exe

pid process

364 bhutan.exe
1120 DpEditor.exe

pid	process
364	bhutan.exe
1120	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:

bhutan.exeDpEditor.exe

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

468 cmd.exe
Loads dropped DLL 2 IoCs

Processes:

cmd.exebhutan.exe

pid process

1460 cmd.exe
364 bhutan.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
468	cmd.exe

pid	process
1460	cmd.exe
364	bhutan.exe

Themida packer 16 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe	themida
C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe	themida
C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe	themida
behavioral1/memory/364-66-0x0000000001140000-0x000000000182E000-memory.dmp	themida
behavioral1/memory/364-67-0x0000000001140000-0x000000000182E000-memory.dmp	themida
behavioral1/memory/364-68-0x0000000001140000-0x000000000182E000-memory.dmp	themida
behavioral1/memory/364-69-0x0000000001140000-0x000000000182E000-memory.dmp	themida
behavioral1/memory/364-71-0x0000000001140000-0x000000000182E000-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/364-76-0x0000000001140000-0x000000000182E000-memory.dmp	themida
behavioral1/memory/1120-78-0x0000000000D50000-0x000000000143E000-memory.dmp	themida
behavioral1/memory/1120-79-0x0000000000D50000-0x000000000143E000-memory.dmp	themida
behavioral1/memory/1120-80-0x0000000000D50000-0x000000000143E000-memory.dmp	themida
behavioral1/memory/1120-81-0x0000000000D50000-0x000000000143E000-memory.dmp	themida
behavioral1/memory/1120-82-0x0000000000D50000-0x000000000143E000-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:

bhutan.exeDpEditor.exe

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

51190e0dc5495766f83213fd34009af5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum	51190e0dc5495766f83213fd34009af5.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\ProductId	51190e0dc5495766f83213fd34009af5.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs

Processes:

bhutan.exeDpEditor.exe

pid process

364 bhutan.exe
1120 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
364	bhutan.exe
1120	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:

51190e0dc5495766f83213fd34009af5.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	51190e0dc5495766f83213fd34009af5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	51190e0dc5495766f83213fd34009af5.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	51190e0dc5495766f83213fd34009af5.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

336 timeout.exe
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

DpEditor.exe

pid process

1120 DpEditor.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

51190e0dc5495766f83213fd34009af5.exebhutan.exeDpEditor.exe

pid process

1884 51190e0dc5495766f83213fd34009af5.exe
364 bhutan.exe
1120 DpEditor.exe

pid	process
336	timeout.exe

pid	process
1120	DpEditor.exe

pid	process
1884	51190e0dc5495766f83213fd34009af5.exe
364	bhutan.exe
1120	DpEditor.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

51190e0dc5495766f83213fd34009af5.execmd.execmd.exebhutan.exe

description	pid	process	target process
PID 1884 wrote to memory of 1460	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 1460	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 1460	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 1460	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 468	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 468	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 468	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1884 wrote to memory of 468	1884	51190e0dc5495766f83213fd34009af5.exe	cmd.exe
PID 1460 wrote to memory of 364	1460	cmd.exe	bhutan.exe
PID 1460 wrote to memory of 364	1460	cmd.exe	bhutan.exe
PID 1460 wrote to memory of 364	1460	cmd.exe	bhutan.exe
PID 1460 wrote to memory of 364	1460	cmd.exe	bhutan.exe
PID 468 wrote to memory of 336	468	cmd.exe	timeout.exe
PID 468 wrote to memory of 336	468	cmd.exe	timeout.exe
PID 468 wrote to memory of 336	468	cmd.exe	timeout.exe
PID 468 wrote to memory of 336	468	cmd.exe	timeout.exe
PID 364 wrote to memory of 1120	364	bhutan.exe	DpEditor.exe
PID 364 wrote to memory of 1120	364	bhutan.exe	DpEditor.exe
PID 364 wrote to memory of 1120	364	bhutan.exe	DpEditor.exe
PID 364 wrote to memory of 1120	364	bhutan.exe	DpEditor.exe

C:\Users\Admin\AppData\Local\Temp\51190e0dc5495766f83213fd34009af5.exe
"C:\Users\Admin\AppData\Local\Temp\51190e0dc5495766f83213fd34009af5.exe"
1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1460
- - C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe
    C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe
    3⤵
    - Identifies VirtualBox via ACPI registry values (likely anti-VM)
    - Executes dropped EXE
    - Checks BIOS information in registry
    - Loads dropped DLL
    - Checks whether UAC is enabled
    - Suspicious use of NtSetInformationThreadHideFromDebugger
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:364
  - - 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)
      Executes dropped EXE
      Checks BIOS information in registry
      Checks whether UAC is enabled
      Suspicious use of NtSetInformationThreadHideFromDebugger
      Suspicious behavior: AddClipboardFormatListener
      Suspicious behavior: EnumeratesProcesses
      PID:1120
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\51190e0dc5495766f83213fd34009af5.exe"
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:468
- - C:\Windows\SysWOW64\timeout.exe
    timeout -t 5
    3⤵
    - Delays execution with timeout.exe
    PID:336

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials in Files

T1081

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe

Filesize
2.7MB

MD5
d47d413547e7ce9bf6b452439f3866a6

SHA1
6a795e52652fabb79680c6e6469f18eb007547aa

SHA256
ca1b9cf687917d780931d2c1b38fac9342167535bdd0ef96d1b8984efa4e0ff4

SHA512
29561e52da7689c8c8c5e6a185d89f433663e478a7646de4d0c969097b931473570b8ecf27b42e185e7d7a7755ec7d80dfe585f40df748416bda1cc4c147836b

Download Submit
C:\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe

Filesize
2.7MB

MD5
d47d413547e7ce9bf6b452439f3866a6

SHA1
6a795e52652fabb79680c6e6469f18eb007547aa

SHA256
ca1b9cf687917d780931d2c1b38fac9342167535bdd0ef96d1b8984efa4e0ff4

SHA512
29561e52da7689c8c8c5e6a185d89f433663e478a7646de4d0c969097b931473570b8ecf27b42e185e7d7a7755ec7d80dfe585f40df748416bda1cc4c147836b

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

Filesize
2.7MB

MD5
d47d413547e7ce9bf6b452439f3866a6

SHA1
6a795e52652fabb79680c6e6469f18eb007547aa

SHA256
ca1b9cf687917d780931d2c1b38fac9342167535bdd0ef96d1b8984efa4e0ff4

SHA512
29561e52da7689c8c8c5e6a185d89f433663e478a7646de4d0c969097b931473570b8ecf27b42e185e7d7a7755ec7d80dfe585f40df748416bda1cc4c147836b

Download Submit
\Users\Admin\AppData\Roaming\AF34AFB69E0AD18E\bhutan.exe

Filesize
2.7MB

MD5
d47d413547e7ce9bf6b452439f3866a6

SHA1
6a795e52652fabb79680c6e6469f18eb007547aa

SHA256
ca1b9cf687917d780931d2c1b38fac9342167535bdd0ef96d1b8984efa4e0ff4

SHA512
29561e52da7689c8c8c5e6a185d89f433663e478a7646de4d0c969097b931473570b8ecf27b42e185e7d7a7755ec7d80dfe585f40df748416bda1cc4c147836b

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

Filesize
2.7MB

MD5
d47d413547e7ce9bf6b452439f3866a6

SHA1
6a795e52652fabb79680c6e6469f18eb007547aa

SHA256
ca1b9cf687917d780931d2c1b38fac9342167535bdd0ef96d1b8984efa4e0ff4

SHA512
29561e52da7689c8c8c5e6a185d89f433663e478a7646de4d0c969097b931473570b8ecf27b42e185e7d7a7755ec7d80dfe585f40df748416bda1cc4c147836b

Download Submit
memory/336-62-0x0000000000000000-mapping.dmp

Download
memory/364-67-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/364-71-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/364-61-0x0000000000000000-mapping.dmp

Download
memory/364-77-0x0000000077570000-0x00000000776F0000-memory.dmp

Filesize
1.5MB

Download
memory/364-76-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/364-66-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/364-70-0x0000000077570000-0x00000000776F0000-memory.dmp

Filesize
1.5MB

Download
memory/364-68-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/364-69-0x0000000001140000-0x000000000182E000-memory.dmp

Filesize
6.9MB

Download
memory/468-57-0x0000000000000000-mapping.dmp

Download
memory/1120-81-0x0000000000D50000-0x000000000143E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-78-0x0000000000D50000-0x000000000143E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-80-0x0000000000D50000-0x000000000143E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-73-0x0000000000000000-mapping.dmp

Download
memory/1120-79-0x0000000000D50000-0x000000000143E000-memory.dmp

Filesize
6.9MB

Download
memory/1120-82-0x0000000000D50000-0x000000000143E000-memory.dmp

Filesize
6.9MB

Download
memory/1460-56-0x0000000000000000-mapping.dmp

Download
memory/1460-65-0x00000000020E0000-0x00000000027CE000-memory.dmp

Filesize
6.9MB

Download
memory/1884-55-0x0000000000380000-0x0000000000440000-memory.dmp

Filesize
768KB

Download
memory/1884-58-0x0000000000380000-0x0000000000440000-memory.dmp

Filesize
768KB

Download
memory/1884-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download