cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4

General

Target

cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe
Size

3.7MB
MD5

990f0eb67605df4a888569855b9ef4bb
SHA1

2d19c0830200ff83358a86083314af0ff8459190
SHA256

cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4
SHA512

18cb7d7f4b03e61332da86fffb66dc604fc6d46b1a488968e9914f29f17bc96e8129e485ce0c13c084e729c1469ea3225032288f5c7c99ced72071cd3650a8a4
SSDEEP

98304:Ws7WcPBPn9Y7bIkbp72jLT+tsPnl42Fo:YPIkdeHnllFo

Score

8^/10

evasion execution

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\MiniFilter.reg	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe
File created	C:\Windows\system32\Process.dat	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe

Launches sc.exe 2 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
4284	sc.exe
4384	sc.exe

Runs .reg file with regedit 1 IoCs

pid	Process
2968	regedit.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe
Token: SeDebugPrivilege	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 4384	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	84
PID 1792 wrote to memory of 4384	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	84
PID 1792 wrote to memory of 4384	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	84
PID 1792 wrote to memory of 4284	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	85
PID 1792 wrote to memory of 4284	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	85
PID 1792 wrote to memory of 4284	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	85
PID 1792 wrote to memory of 4876	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	89
PID 1792 wrote to memory of 4876	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	89
PID 1792 wrote to memory of 5052	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	90
PID 1792 wrote to memory of 5052	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	90
PID 4876 wrote to memory of 2844	4876	cmd.exe	93
PID 4876 wrote to memory of 2844	4876	cmd.exe	93
PID 5052 wrote to memory of 2968	5052	cmd.exe	94
PID 5052 wrote to memory of 2968	5052	cmd.exe	94
PID 1792 wrote to memory of 1728	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	96
PID 1792 wrote to memory of 1728	1792	cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe	96

C:\Users\Admin\AppData\Local\Temp\cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe
"C:\Users\Admin\AppData\Local\Temp\cfe5dcf1560ab027ba58c28bc351875a19d9be4b48c12a7ee8ffd3900142b7a4.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Windows\SysWOW64\sc.exe
  sc stop VmHard
  2⤵
  - Launches sc.exe
  PID:4384
- C:\Windows\SysWOW64\sc.exe
  sc stop juejin
  2⤵
  - Launches sc.exe
  PID:4284
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c reg import C:\Windows\system32\MiniFilter.reg
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4876
- - C:\Windows\system32\reg.exe
    reg import C:\Windows\system32\MiniFilter.reg
    3⤵
    PID:2844
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c regedit /s C:\Windows\system32\MiniFilter.reg
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5052
- - C:\Windows\regedit.exe
    regedit /s C:\Windows\system32\MiniFilter.reg
    3⤵
    - Runs .reg file with regedit
    PID:2968
- C:\Windows\SYSTEM32\cmd.exe
  cmd.exe /c del /F /A /Q C:\Windows\system32\MiniFilter.reg
  2⤵
  PID:1728

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Windows\system32\MiniFilter.reg

Filesize
530B

MD5
b2fcaa4d5bef0af030b7d84283fec2cc

SHA1
5322091d90bd09e37eae90c9bc4404f5ca00ef39

SHA256
c4062bb1ffa7ee7db60a118b187b0177d776362850d375e9fd2c2c469d418a6c

SHA512
8dbf3654a4e8399efc5c1aaf2db7cb1c119e73fb81e4111ac87afd8b5b72348402792a6b5fdf6433ab6b7842b5181f3dc3848c9722009b68065fe3fc1faa560d

Download Submit
memory/1792-1-0x0000000077592000-0x0000000077593000-memory.dmp

Filesize
4KB

Download
memory/1792-3-0x0000000000852000-0x0000000000853000-memory.dmp

Filesize
4KB

Download
memory/1792-2-0x0000000077593000-0x0000000077594000-memory.dmp

Filesize
4KB

Download
memory/1792-0-0x0000000000400000-0x0000000000B98000-memory.dmp

Filesize
7.6MB

Download
memory/1792-4-0x0000000000400000-0x0000000000B98000-memory.dmp

Filesize
7.6MB

Download
memory/1792-5-0x0000000000400000-0x0000000000B98000-memory.dmp

Filesize
7.6MB

Download
memory/1792-9-0x0000000000400000-0x0000000000B98000-memory.dmp

Filesize
7.6MB

Download
memory/1792-15-0x0000000000400000-0x0000000000B98000-memory.dmp

Filesize
7.6MB

Download

Analysis

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