cryptbot | 33058aed960aee7a6c3df8f0dee358b3ca819c4ce9553afdd22bea022c6801b9

General

Target

3abcef1753adf9814fe251e7ea578d14.exe
Size

2.6MB
MD5

3abcef1753adf9814fe251e7ea578d14
SHA1

570711b8ab7fb5a837261d9c2128851c0cec5c6f
SHA256

33058aed960aee7a6c3df8f0dee358b3ca819c4ce9553afdd22bea022c6801b9
SHA512

60d9326bb61cd5e7eb58a721ba4d092acb9af7e3873345795f9e371606d050583b1198102269f2821babd2eed77877f9abdacc0ab11030171b9e00ff638be39b

Score

10^/10

cryptbot evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

C2

zyoenm52.top

morlse05.top

Attributes

payload_url
http://yapome07.top/download.php?file=combir.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:

3abcef1753adf9814fe251e7ea578d14.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3abcef1753adf9814fe251e7ea578d14.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3abcef1753adf9814fe251e7ea578d14.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

956 cmd.exe

pid	process
956	cmd.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1736-55-0x0000000000050000-0x000000000072C000-memory.dmp	themida
behavioral1/memory/1736-56-0x0000000000050000-0x000000000072C000-memory.dmp	themida
behavioral1/memory/1736-57-0x0000000000050000-0x000000000072C000-memory.dmp	themida
behavioral1/memory/1736-58-0x0000000000050000-0x000000000072C000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

3abcef1753adf9814fe251e7ea578d14.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	3abcef1753adf9814fe251e7ea578d14.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

3abcef1753adf9814fe251e7ea578d14.exe

pid process

1736 3abcef1753adf9814fe251e7ea578d14.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
1736	3abcef1753adf9814fe251e7ea578d14.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:

3abcef1753adf9814fe251e7ea578d14.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	3abcef1753adf9814fe251e7ea578d14.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	3abcef1753adf9814fe251e7ea578d14.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

472 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

3abcef1753adf9814fe251e7ea578d14.exe

pid process

1736 3abcef1753adf9814fe251e7ea578d14.exe

pid	process
472	timeout.exe

pid	process
1736	3abcef1753adf9814fe251e7ea578d14.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3abcef1753adf9814fe251e7ea578d14.execmd.exe

description	pid	process	target process
PID 1736 wrote to memory of 956	1736	3abcef1753adf9814fe251e7ea578d14.exe	cmd.exe
PID 1736 wrote to memory of 956	1736	3abcef1753adf9814fe251e7ea578d14.exe	cmd.exe
PID 1736 wrote to memory of 956	1736	3abcef1753adf9814fe251e7ea578d14.exe	cmd.exe
PID 1736 wrote to memory of 956	1736	3abcef1753adf9814fe251e7ea578d14.exe	cmd.exe
PID 956 wrote to memory of 472	956	cmd.exe	timeout.exe
PID 956 wrote to memory of 472	956	cmd.exe	timeout.exe
PID 956 wrote to memory of 472	956	cmd.exe	timeout.exe
PID 956 wrote to memory of 472	956	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\3abcef1753adf9814fe251e7ea578d14.exe
"C:\Users\Admin\AppData\Local\Temp\3abcef1753adf9814fe251e7ea578d14.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:1736

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\MaXvnUJe & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\3abcef1753adf9814fe251e7ea578d14.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:472

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/472-60-0x0000000000000000-mapping.dmp

Download
memory/956-59-0x0000000000000000-mapping.dmp

Download
memory/1736-54-0x0000000076911000-0x0000000076913000-memory.dmp

Filesize
8KB

Download
memory/1736-55-0x0000000000050000-0x000000000072C000-memory.dmp

Filesize
6.9MB

Download
memory/1736-56-0x0000000000050000-0x000000000072C000-memory.dmp

Filesize
6.9MB

Download
memory/1736-57-0x0000000000050000-0x000000000072C000-memory.dmp

Filesize
6.9MB

Download
memory/1736-58-0x0000000000050000-0x000000000072C000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads