296becf74a7989ff8f63a1c572b8b01ff0a7e8472d4d59f31bf9167ed195b2f6

Reason

Machine shutdown

General

Target

67cf719a695ae1b769da9253901c26d8.exe
Size

5.1MB
MD5

67cf719a695ae1b769da9253901c26d8
SHA1

c148e7823e4bd98060f1b1d402aed070f99b5902
SHA256

296becf74a7989ff8f63a1c572b8b01ff0a7e8472d4d59f31bf9167ed195b2f6
SHA512

52a82db982f67f78558933c2ea5d2df8a88a20fdbedd71fcb0cd367b7c88b91a5388aec1bf5f305b1a0e8c610d489c93149599ee0fe3136d201e2522d50a5a48
SSDEEP

98304:MspkzuYnHDsB7V7UsE/8EI79WFynJih6/BG:M2Su7VSk7wQJc60

Score

6^/10

bootkit persistence

Malware Config

Signatures

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

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	67cf719a695ae1b769da9253901c26d8.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 26 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{F61821E1-AC71-11ED-9069-42F1C931D1AB} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\360.cn\NumberOfSubdomains = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage\360.cn	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\DOMStorage	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	1768	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1768	AUDIODG.EXE
Token: 33	1768	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	1768	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1480	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1480	IEXPLORE.EXE
1480	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE
1664	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1296 wrote to memory of 544	1296	67cf719a695ae1b769da9253901c26d8.exe	29
PID 1296 wrote to memory of 544	1296	67cf719a695ae1b769da9253901c26d8.exe	29
PID 1296 wrote to memory of 544	1296	67cf719a695ae1b769da9253901c26d8.exe	29
PID 1296 wrote to memory of 544	1296	67cf719a695ae1b769da9253901c26d8.exe	29
PID 544 wrote to memory of 1480	544	iexplore.exe	30
PID 544 wrote to memory of 1480	544	iexplore.exe	30
PID 544 wrote to memory of 1480	544	iexplore.exe	30
PID 544 wrote to memory of 1480	544	iexplore.exe	30
PID 1480 wrote to memory of 1664	1480	IEXPLORE.EXE	32
PID 1480 wrote to memory of 1664	1480	IEXPLORE.EXE	32
PID 1480 wrote to memory of 1664	1480	IEXPLORE.EXE	32
PID 1480 wrote to memory of 1664	1480	IEXPLORE.EXE	32

C:\Users\Admin\AppData\Local\Temp\67cf719a695ae1b769da9253901c26d8.exe
"C:\Users\Admin\AppData\Local\Temp\67cf719a695ae1b769da9253901c26d8.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of WriteProcessMemory
PID:1296
- C:\Program Files (x86)\Internet Explorer\iexplore.exe
  "C:\Program Files (x86)\Internet Explorer\iexplore.exe" http://bbs.360.cn/thread-15667307-1-1.html
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:544
- - C:\Program Files\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://bbs.360.cn/thread-15667307-1-1.html
    3⤵
    - Modifies Internet Explorer settings
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1480 CREDAT:275457 /prefetch:2
      4⤵
      Modifies Internet Explorer settings
      Suspicious use of SetWindowsHookEx
      PID:1664

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:1772

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x530
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1768

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:1840

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

1

T1067

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1296-54-0x0000000075531000-0x0000000075533000-memory.dmp

Filesize
8KB

Download
memory/1296-55-0x0000000000400000-0x0000000000B20000-memory.dmp

Filesize
7.1MB

Download
memory/1296-56-0x0000000002670000-0x0000000002680000-memory.dmp

Filesize
64KB

Download
memory/1296-57-0x0000000000400000-0x0000000000B20000-memory.dmp

Filesize
7.1MB

Download
memory/1296-58-0x0000000002670000-0x000000000267D000-memory.dmp

Filesize
52KB

Download
memory/1772-59-0x000007FEFBCE1000-0x000007FEFBCE3000-memory.dmp

Filesize
8KB

Download

Resubmissions

Analysis

Sharing

Errors