cryptbot | abcacd5822584474d2ee44d7d89a7418d5be58a577118cded92d0f49eb31cbf1

General

Target

61d4f24a3ecfb_Wed013b3d5d701.exe
Size

2.7MB
MD5

545067a0a51e1d310a2e2f4de09ec7ab
SHA1

bfff58d02b443f551623d09fb958e681c2fb629d
SHA256

abcacd5822584474d2ee44d7d89a7418d5be58a577118cded92d0f49eb31cbf1
SHA512

c7df582f450594ddf2910533ae48b2e2b1affb17aa1082cff81eb4f5609545e89ed3367d41115ec8be29d4c0a65b707fd172eb3cf60928975b17bc4164299b38

Score

10^/10

cryptbot evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

C2

zyokao27.top

moreja02.top

Attributes

payload_url
http://yaphsq02.top/download.php?file=cantey.exe

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:

61d4f24a3ecfb_Wed013b3d5d701.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	61d4f24a3ecfb_Wed013b3d5d701.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	61d4f24a3ecfb_Wed013b3d5d701.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1620 cmd.exe

pid	process
1620	cmd.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1188-56-0x0000000000F60000-0x0000000001650000-memory.dmp	themida
behavioral1/memory/1188-57-0x0000000000F60000-0x0000000001650000-memory.dmp	themida
behavioral1/memory/1188-59-0x0000000000F60000-0x0000000001650000-memory.dmp	themida
behavioral1/memory/1188-58-0x0000000000F60000-0x0000000001650000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

61d4f24a3ecfb_Wed013b3d5d701.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	61d4f24a3ecfb_Wed013b3d5d701.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

61d4f24a3ecfb_Wed013b3d5d701.exe

pid process

1188 61d4f24a3ecfb_Wed013b3d5d701.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
1188	61d4f24a3ecfb_Wed013b3d5d701.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:

61d4f24a3ecfb_Wed013b3d5d701.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	61d4f24a3ecfb_Wed013b3d5d701.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	61d4f24a3ecfb_Wed013b3d5d701.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1160 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

61d4f24a3ecfb_Wed013b3d5d701.exe

pid process

1188 61d4f24a3ecfb_Wed013b3d5d701.exe

pid	process
1160	timeout.exe

pid	process
1188	61d4f24a3ecfb_Wed013b3d5d701.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

61d4f24a3ecfb_Wed013b3d5d701.execmd.exe

description	pid	process	target process
PID 1188 wrote to memory of 1620	1188	61d4f24a3ecfb_Wed013b3d5d701.exe	cmd.exe
PID 1188 wrote to memory of 1620	1188	61d4f24a3ecfb_Wed013b3d5d701.exe	cmd.exe
PID 1188 wrote to memory of 1620	1188	61d4f24a3ecfb_Wed013b3d5d701.exe	cmd.exe
PID 1188 wrote to memory of 1620	1188	61d4f24a3ecfb_Wed013b3d5d701.exe	cmd.exe
PID 1620 wrote to memory of 1160	1620	cmd.exe	timeout.exe
PID 1620 wrote to memory of 1160	1620	cmd.exe	timeout.exe
PID 1620 wrote to memory of 1160	1620	cmd.exe	timeout.exe
PID 1620 wrote to memory of 1160	1620	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\61d4f24a3ecfb_Wed013b3d5d701.exe
"C:\Users\Admin\AppData\Local\Temp\61d4f24a3ecfb_Wed013b3d5d701.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:1188

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\NRHkhDtNhBgt & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\61d4f24a3ecfb_Wed013b3d5d701.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1620

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:1160

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

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Downloads

memory/1160-61-0x0000000000000000-mapping.dmp

Download
memory/1188-55-0x0000000074EC1000-0x0000000074EC3000-memory.dmp

Filesize
8KB

Download
memory/1188-56-0x0000000000F60000-0x0000000001650000-memory.dmp

Filesize
6.9MB

Download
memory/1188-57-0x0000000000F60000-0x0000000001650000-memory.dmp

Filesize
6.9MB

Download
memory/1188-59-0x0000000000F60000-0x0000000001650000-memory.dmp

Filesize
6.9MB

Download
memory/1188-58-0x0000000000F60000-0x0000000001650000-memory.dmp

Filesize
6.9MB

Download
memory/1620-60-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads