6e8a08d6caf0e0ad6a555da452f403b0bcf2e8fdf8f968130eda3686a4e1555f

Analysis

max time kernel
16s
max time network
19s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-04-2024 14:22

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Reason

Machine shutdown

Report Analysis Logs

General

Target

TUP32980638916Y/ctfmon1.exe
Size

870KB
MD5

82d2590bfa019845cbdd670427d31674
SHA1

5b96ae15e9d3e0db2ebd4d94c930a39bf1829afe
SHA256

7d361e62e333b2ed467505025fd04c75b63c6aca9b15dad6f76adc8bd1deadbd
SHA512

8d071e78cf1db6d8391b567e64a04e42fd0b83bab3b2d3af729899b41a92cb7068576914a63fbbd3af3601d74a49e9620bab0a6788c13d4dad6319ce837380ee
SSDEEP

24576:FAHnh+eWsN3skA4RV1Hom2KXMmHahM065:0h+ZkldoPK8YahY

Score

7^/10

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.

Query Registry
T1012

System Information Discovery
T1082

Processes:

dllhost.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate dllhost.exe
Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs
Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

System Information Discovery
T1082

Processes:

dllhost.exe

description ioc process

File opened for modification \??\VBoxMiniRdrDN dllhost.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

dllhost.exe

pid process

2576 dllhost.exe
2576 dllhost.exe
2576 dllhost.exe
2576 dllhost.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	dllhost.exe

description	ioc	process
File opened for modification	\??\VBoxMiniRdrDN	dllhost.exe

pid	process
2576	dllhost.exe
2576	dllhost.exe
2576	dllhost.exe
2576	dllhost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

shutdown.exeshutdown.exeshutdown.exe

description	pid	process
Token: SeShutdownPrivilege	3564	shutdown.exe
Token: SeRemoteShutdownPrivilege	3564	shutdown.exe
Token: SeShutdownPrivilege	3572	shutdown.exe
Token: SeRemoteShutdownPrivilege	3572	shutdown.exe
Token: SeShutdownPrivilege	3616	shutdown.exe
Token: SeRemoteShutdownPrivilege	3616	shutdown.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

ctfmon1.exe

pid process

2148 ctfmon1.exe
2148 ctfmon1.exe
2148 ctfmon1.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

ctfmon1.exe

pid process

2148 ctfmon1.exe
2148 ctfmon1.exe
2148 ctfmon1.exe

pid	process
2148	ctfmon1.exe
2148	ctfmon1.exe
2148	ctfmon1.exe

pid	process
2148	ctfmon1.exe
2148	ctfmon1.exe
2148	ctfmon1.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

ctfmon1.exe

description	pid	process	target process
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe
PID 2148 wrote to memory of 2576	2148	ctfmon1.exe	dllhost.exe

C:\Users\Admin\AppData\Local\Temp\TUP32980638916Y\ctfmon1.exe
"C:\Users\Admin\AppData\Local\Temp\TUP32980638916Y\ctfmon1.exe"
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2148

C:\Windows\SysWOW64\dllhost.exe
"C:\Windows\System32\dllhost.exe"
2⤵
- Checks BIOS information in registry
- Checks for VirtualBox DLLs, possible anti-VM trick
- Suspicious behavior: EnumeratesProcesses
PID:2576

C:\Windows\SysWOW64\cmd.exe
cmd /c shutdown -s -t 2 -f
3⤵
PID:3484

C:\Windows\SysWOW64\shutdown.exe
shutdown -s -t 2 -f
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3564

C:\Windows\SysWOW64\cmd.exe
cmd /c shutdown -s -t 2 -f
3⤵
PID:3492

C:\Windows\SysWOW64\shutdown.exe
shutdown -s -t 2 -f
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3572

C:\Windows\SysWOW64\cmd.exe
cmd /c shutdown -s -t 1 -f
3⤵
PID:3512

C:\Windows\SysWOW64\shutdown.exe
shutdown -s -t 1 -f
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:3616

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:3668

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:3860

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/2148-0-0x00000000001A0000-0x00000000001A1000-memory.dmp

Filesize
4KB

Download
memory/2148-1-0x00000000001C0000-0x00000000001C1000-memory.dmp

Filesize
4KB

Download
memory/2148-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2148-3-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/2148-4-0x00000000001F0000-0x000000000022A000-memory.dmp

Filesize
232KB

Download
memory/2576-14-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2576-21-0x00000000000E0000-0x00000000000E1000-memory.dmp

Filesize
4KB

Download
memory/2576-31-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2576-4438-0x0000000010410000-0x000000001064C000-memory.dmp

Filesize
2.2MB

Download
memory/2576-4456-0x0000000010410000-0x000000001064C000-memory.dmp

Filesize
2.2MB

Download
memory/3668-4455-0x00000000029C0000-0x00000000029C1000-memory.dmp

Filesize
4KB

Download
memory/3860-4457-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download