cfffce6bd2662276419b441e091517b44a84b8580f62442e1e372c6af2251ce1

Analysis

max time kernel
0s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 08:29

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General

Target

5fd52a6260c48ddfa1b09b315c484890.exe
Size

82KB
MD5

5fd52a6260c48ddfa1b09b315c484890
SHA1

f73c7cdbc6a953dfc1d0715329e1304abcc31ca1
SHA256

cfffce6bd2662276419b441e091517b44a84b8580f62442e1e372c6af2251ce1
SHA512

40c72b0d217227b3ad08f0911a74f3af74edaefbeb6d057b07dbd4c207ebdd3737d511cc625da9fc9886e8e42fa6c14159a39a152226dbdca0fcc8ae27a0a7dd
SSDEEP

1536:R6KDqIaiMHQC4DGjP5dEINWu7ajYEYGMe0mN+CkjvHjnyppguRQxg+HdU/cOz:R6KgiCQC4DGTDD5ajYErKmNo7nKpDite

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 6 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{CCB09944-A4BF-11EE-BD28-76CF25FE979C} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2760	5fd52a6260c48ddfa1b09b315c484890.exe
5044	IEXPLORE.EXE
5044	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2760 wrote to memory of 5044	2760	5fd52a6260c48ddfa1b09b315c484890.exe	17
PID 2760 wrote to memory of 5044	2760	5fd52a6260c48ddfa1b09b315c484890.exe	17
PID 5044 wrote to memory of 3204	5044	IEXPLORE.EXE	19
PID 5044 wrote to memory of 3204	5044	IEXPLORE.EXE	19
PID 5044 wrote to memory of 3204	5044	IEXPLORE.EXE	19
PID 2760 wrote to memory of 4920	2760	5fd52a6260c48ddfa1b09b315c484890.exe	20
PID 2760 wrote to memory of 4920	2760	5fd52a6260c48ddfa1b09b315c484890.exe	20

C:\Users\Admin\AppData\Local\Temp\5fd52a6260c48ddfa1b09b315c484890.exe
"C:\Users\Admin\AppData\Local\Temp\5fd52a6260c48ddfa1b09b315c484890.exe"
1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2760
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://www.on86.com
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
    "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:5044 CREDAT:17410 /prefetch:2
    3⤵
    PID:3204
- C:\Program Files\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://down.xingkongjisu.com/flashplayer.htm?52c
  2⤵
  PID:4920
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c del C:\Users\Admin\AppData\Local\Temp\5FD52A~1.EXE
  2⤵
  PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2760-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

Filesize
8KB

Download
memory/2760-0-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download
memory/2760-4-0x0000000000400000-0x0000000000422000-memory.dmp

Filesize
136KB

Download