cryptbot | 43177ddc1570d4f98b6dfcea2df466e25910143d37c1a006c85deafecf2ff200

General

Target

55e7693d5a0b716ad7ab1dcccc415f3f.exe
Size

2.7MB
MD5

55e7693d5a0b716ad7ab1dcccc415f3f
SHA1

191303ed147c489d4b81838d60f932bf6c16c521
SHA256

43177ddc1570d4f98b6dfcea2df466e25910143d37c1a006c85deafecf2ff200
SHA512

4927bb43bc86062951e209448eeb2841de0918aa548604f0f4549ca636015f48034e7253a1599cd7c178c39613d31417e5cd80f050fa0f90df9b451cfb6e3cb6

Score

10^/10

cryptbot evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

C2

daipey72.top

morboh07.top

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
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	55e7693d5a0b716ad7ab1dcccc415f3f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	55e7693d5a0b716ad7ab1dcccc415f3f.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1928 cmd.exe

pid	process
1928	cmd.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/452-54-0x0000000001210000-0x00000000018FD000-memory.dmp	themida
behavioral1/memory/452-55-0x0000000001210000-0x00000000018FD000-memory.dmp	themida
behavioral1/memory/452-56-0x0000000001210000-0x00000000018FD000-memory.dmp	themida
behavioral1/memory/452-57-0x0000000001210000-0x00000000018FD000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	55e7693d5a0b716ad7ab1dcccc415f3f.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.exe

pid process

452 55e7693d5a0b716ad7ab1dcccc415f3f.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
452	55e7693d5a0b716ad7ab1dcccc415f3f.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	55e7693d5a0b716ad7ab1dcccc415f3f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	55e7693d5a0b716ad7ab1dcccc415f3f.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

468 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.exe

pid process

452 55e7693d5a0b716ad7ab1dcccc415f3f.exe

pid	process
468	timeout.exe

pid	process
452	55e7693d5a0b716ad7ab1dcccc415f3f.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

55e7693d5a0b716ad7ab1dcccc415f3f.execmd.exe

description	pid	process	target process
PID 452 wrote to memory of 1928	452	55e7693d5a0b716ad7ab1dcccc415f3f.exe	cmd.exe
PID 452 wrote to memory of 1928	452	55e7693d5a0b716ad7ab1dcccc415f3f.exe	cmd.exe
PID 452 wrote to memory of 1928	452	55e7693d5a0b716ad7ab1dcccc415f3f.exe	cmd.exe
PID 452 wrote to memory of 1928	452	55e7693d5a0b716ad7ab1dcccc415f3f.exe	cmd.exe
PID 1928 wrote to memory of 468	1928	cmd.exe	timeout.exe
PID 1928 wrote to memory of 468	1928	cmd.exe	timeout.exe
PID 1928 wrote to memory of 468	1928	cmd.exe	timeout.exe
PID 1928 wrote to memory of 468	1928	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\55e7693d5a0b716ad7ab1dcccc415f3f.exe
"C:\Users\Admin\AppData\Local\Temp\55e7693d5a0b716ad7ab1dcccc415f3f.exe"
1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:452

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\MllrofcSMfFrj & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\55e7693d5a0b716ad7ab1dcccc415f3f.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:468

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

4

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/452-53-0x0000000076041000-0x0000000076043000-memory.dmp

Filesize
8KB

Download
memory/452-54-0x0000000001210000-0x00000000018FD000-memory.dmp

Filesize
6.9MB

Download
memory/452-55-0x0000000001210000-0x00000000018FD000-memory.dmp

Filesize
6.9MB

Download
memory/452-56-0x0000000001210000-0x00000000018FD000-memory.dmp

Filesize
6.9MB

Download
memory/452-57-0x0000000001210000-0x00000000018FD000-memory.dmp

Filesize
6.9MB

Download
memory/468-59-0x0000000000000000-mapping.dmp

Download
memory/1928-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads