cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e

Analysis

Target

cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe
Size

956KB
MD5

944d363650986fb02461062fcbfbe947
SHA1

932b5f96d3ed499722736fd761d6fbd82e7d750b
SHA256

cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e
SHA512

59729e709607d4acdfc1d103fb62a23a39370bfe75c4c4ad789e5ab635d2b0e5efc7cca4168bbd7ded9295c97933c948dcc1c9584544c144c7bb3ba2316b3b42

Score

8^/10

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

Processes:

resource	yara_rule
behavioral2/memory/1740-131-0x0000000010000000-0x000000001000B000-memory.dmp	upx
behavioral2/memory/1740-132-0x0000000010000000-0x000000001000B000-memory.dmp	upx

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
bootkit persistence

Bootkit
T1067

Processes:

cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe

description ioc process

File opened for modification \??\PhysicalDrive0 cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4536 1740 WerFault.exe cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe

pid	pid_target	process	target process
4536	1740	WerFault.exe	cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe

C:\Users\Admin\AppData\Local\Temp\cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe
"C:\Users\Admin\AppData\Local\Temp\cc83674574400c64fec6fb957bb2ca601fb81cdb8af63dd6864e83011c39db0e.exe"
1⤵
- Writes to the Master Boot Record (MBR)
PID:1740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1740 -s 572
2⤵
- Program crash
PID:4536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1740 -ip 1740
1⤵
PID:2484

Initial Access

Execution

Persistence

Bootkit

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

memory/1740-131-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download
memory/1740-132-0x0000000010000000-0x000000001000B000-memory.dmp

Filesize
44KB

Download