cryptbot | eaef807dc7cdfd704cf47b74a667b55004de9171fdb8b949c451274569549d41

General

Target

mixshop_20211223-091016.exe
Size

2.7MB
MD5

8a1baccbc8382a7eca8c99ee981f6776
SHA1

dc54547642e7f514855ca1afd40a58a8377975af
SHA256

eaef807dc7cdfd704cf47b74a667b55004de9171fdb8b949c451274569549d41
SHA512

c1145a999b422d1548b88e4c7fd6fe790034bb7374a1c1803571366b16e01e8d9a3f3274c60e421b783feaabf9726d137889ca49579a5d300f9b2fbb929eb01f

Score

10^/10

cryptbot evasion spyware stealer themida trojan

Malware Config

Extracted

Family

cryptbot

C2

␴ҋ脤ӄ

␼

dainfe42.top

morvtu04.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:

mixshop_20211223-091016.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	mixshop_20211223-091016.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	mixshop_20211223-091016.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1756 cmd.exe

pid	process
1756	cmd.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1692-54-0x00000000001A0000-0x00000000008D5000-memory.dmp	themida
behavioral1/memory/1692-55-0x00000000001A0000-0x00000000008D5000-memory.dmp	themida
behavioral1/memory/1692-57-0x00000000001A0000-0x00000000008D5000-memory.dmp	themida
behavioral1/memory/1692-56-0x00000000001A0000-0x00000000008D5000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

mixshop_20211223-091016.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mixshop_20211223-091016.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

mixshop_20211223-091016.exe

pid process

1692 mixshop_20211223-091016.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
1692	mixshop_20211223-091016.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:

mixshop_20211223-091016.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	mixshop_20211223-091016.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	mixshop_20211223-091016.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

660 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

mixshop_20211223-091016.exe

pid process

1692 mixshop_20211223-091016.exe

pid	process
660	timeout.exe

pid	process
1692	mixshop_20211223-091016.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

mixshop_20211223-091016.execmd.exe

description	pid	process	target process
PID 1692 wrote to memory of 1756	1692	mixshop_20211223-091016.exe	cmd.exe
PID 1692 wrote to memory of 1756	1692	mixshop_20211223-091016.exe	cmd.exe
PID 1692 wrote to memory of 1756	1692	mixshop_20211223-091016.exe	cmd.exe
PID 1692 wrote to memory of 1756	1692	mixshop_20211223-091016.exe	cmd.exe
PID 1756 wrote to memory of 660	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 660	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 660	1756	cmd.exe	timeout.exe
PID 1756 wrote to memory of 660	1756	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\mixshop_20211223-091016.exe
"C:\Users\Admin\AppData\Local\Temp\mixshop_20211223-091016.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:1692

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\XfhNUGqSQeCNg & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\mixshop_20211223-091016.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1756

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:660

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

Virtualization/Sandbox Evasion

1

T1497

System Information Discovery

4

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/660-59-0x0000000000000000-mapping.dmp

Download
memory/1692-53-0x0000000075D61000-0x0000000075D63000-memory.dmp

Filesize
8KB

Download
memory/1692-54-0x00000000001A0000-0x00000000008D5000-memory.dmp

Filesize
7.2MB

Download
memory/1692-55-0x00000000001A0000-0x00000000008D5000-memory.dmp

Filesize
7.2MB

Download
memory/1692-57-0x00000000001A0000-0x00000000008D5000-memory.dmp

Filesize
7.2MB

Download
memory/1692-56-0x00000000001A0000-0x00000000008D5000-memory.dmp

Filesize
7.2MB

Download
memory/1756-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads