cryptbot | eaef807dc7cdfd704cf47b74a667b55004de9171fdb8b949c451274569549d41

General

Target

8a1baccbc8382a7eca8c99ee981f6776.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

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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:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	8a1baccbc8382a7eca8c99ee981f6776.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	8a1baccbc8382a7eca8c99ee981f6776.exe

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

268 cmd.exe

pid	process
268	cmd.exe

Themida packer 4 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1560-55-0x0000000000160000-0x0000000000895000-memory.dmp	themida
behavioral1/memory/1560-56-0x0000000000160000-0x0000000000895000-memory.dmp	themida
behavioral1/memory/1560-57-0x0000000000160000-0x0000000000895000-memory.dmp	themida
behavioral1/memory/1560-58-0x0000000000160000-0x0000000000895000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8a1baccbc8382a7eca8c99ee981f6776.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.exe

pid process

1560 8a1baccbc8382a7eca8c99ee981f6776.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
1560	8a1baccbc8382a7eca8c99ee981f6776.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:

8a1baccbc8382a7eca8c99ee981f6776.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8a1baccbc8382a7eca8c99ee981f6776.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8a1baccbc8382a7eca8c99ee981f6776.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1324 timeout.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.exe

pid process

1560 8a1baccbc8382a7eca8c99ee981f6776.exe

pid	process
1324	timeout.exe

pid	process
1560	8a1baccbc8382a7eca8c99ee981f6776.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

8a1baccbc8382a7eca8c99ee981f6776.execmd.exe

description	pid	process	target process
PID 1560 wrote to memory of 268	1560	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 1560 wrote to memory of 268	1560	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 1560 wrote to memory of 268	1560	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 1560 wrote to memory of 268	1560	8a1baccbc8382a7eca8c99ee981f6776.exe	cmd.exe
PID 268 wrote to memory of 1324	268	cmd.exe	timeout.exe
PID 268 wrote to memory of 1324	268	cmd.exe	timeout.exe
PID 268 wrote to memory of 1324	268	cmd.exe	timeout.exe
PID 268 wrote to memory of 1324	268	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.exe
"C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.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:1560

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\system32\cmd.exe" /c rd /s /q C:\Users\Admin\AppData\Local\Temp\lpdFqbkgm & timeout 4 & del /f /q "C:\Users\Admin\AppData\Local\Temp\8a1baccbc8382a7eca8c99ee981f6776.exe"
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:268

C:\Windows\SysWOW64\timeout.exe
timeout 4
3⤵
- Delays execution with timeout.exe
PID:1324

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/268-59-0x0000000000000000-mapping.dmp

Download
memory/1324-60-0x0000000000000000-mapping.dmp

Download
memory/1560-54-0x0000000075AB1000-0x0000000075AB3000-memory.dmp

Filesize
8KB

Download
memory/1560-55-0x0000000000160000-0x0000000000895000-memory.dmp

Filesize
7.2MB

Download
memory/1560-56-0x0000000000160000-0x0000000000895000-memory.dmp

Filesize
7.2MB

Download
memory/1560-57-0x0000000000160000-0x0000000000895000-memory.dmp

Filesize
7.2MB

Download
memory/1560-58-0x0000000000160000-0x0000000000895000-memory.dmp

Filesize
7.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads