2a0de5a42f5d64ddd01b4f18382ba7a36a3d420abe5f2153fd4b9444ae98e53e

General

Target

cd.exe
Size

572KB
MD5

46b39658da596e58315fe8914b030b24
SHA1

b91e4854936d7402dd93a59a932c44bf26252d52
SHA256

2a0de5a42f5d64ddd01b4f18382ba7a36a3d420abe5f2153fd4b9444ae98e53e
SHA512

cedb2c03cbc90882e15f59855871bc1909a7d3ebe9f10cc4d7516f0bdd1ad2fb8962f77bd1a5b98920246410918f0681fa34413d44f3561ab625fe203face32c

Score

3^/10

Malware Config

Signatures

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1868 1964 WerFault.exe cd.exe

pid	pid_target	process	target process
1868	1964	WerFault.exe	cd.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

cd.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	cd.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	cd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

WerFault.exe

pid process

1868 WerFault.exe
1868 WerFault.exe
1868 WerFault.exe
1868 WerFault.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

WerFault.exe

description pid process

Token: SeDebugPrivilege 1868 WerFault.exe

pid	process
1868	WerFault.exe
1868	WerFault.exe
1868	WerFault.exe
1868	WerFault.exe

description	pid	process
Token: SeDebugPrivilege	1868	WerFault.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

cd.exe

description	pid	process	target process
PID 1964 wrote to memory of 1868	1964	cd.exe	WerFault.exe
PID 1964 wrote to memory of 1868	1964	cd.exe	WerFault.exe
PID 1964 wrote to memory of 1868	1964	cd.exe	WerFault.exe
PID 1964 wrote to memory of 1868	1964	cd.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\cd.exe
"C:\Users\Admin\AppData\Local\Temp\cd.exe"
1⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1964

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 388
2⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1868

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1868-3-0x0000000000000000-mapping.dmp

Download
memory/1868-4-0x0000000001F70000-0x0000000001F81000-memory.dmp

Filesize
68KB

Download
memory/1868-5-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/1964-2-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing