38bf6a6dc33025ce3ba2f95784d2656b103e97fb4ad81d8cab50f94e6eb6c5c3

General

Target

542165f3d7b8bafbb04e9bc4eac65df3.exe
Size

16KB
MD5

542165f3d7b8bafbb04e9bc4eac65df3
SHA1

db448525765d914df6b9f3f6b5ad4807da260c3d
SHA256

38bf6a6dc33025ce3ba2f95784d2656b103e97fb4ad81d8cab50f94e6eb6c5c3
SHA512

9f7b5222fbb218a23682fbaa2e7cff3373124a9e099166909b2b2b6f54bb70d8a27bcfc98ed96470734e3aee35025ac6f385f66077a0762599698ff5b39c05ee
SSDEEP

384:hZ+6eb/Z28YHex5wgxUuC2NGBe6PQTETq/IjPPcUI:n+6aoVS5w0PNGg6oTEHjPEUI

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe \"C:\\Windows\\system32\\IME\\sdhelp.exe\""	542165f3d7b8bafbb04e9bc4eac65df3.exe

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	IEXPLORE.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6FA7B751-B0BD-11EE-B459-56A82BE80DF6} = "0"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\GPU	IEXPLORE.EXE
Set value (data)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	IEXPLORE.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1"	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\IntelliForms	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\InternetRegistry	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\PageSetup	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Internet Explorer\Zoom	IEXPLORE.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2272	IEXPLORE.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
2856	542165f3d7b8bafbb04e9bc4eac65df3.exe
2272	IEXPLORE.EXE
2272	IEXPLORE.EXE
2148	IEXPLORE.EXE
2148	IEXPLORE.EXE
2148	IEXPLORE.EXE
2148	IEXPLORE.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2272	2856	542165f3d7b8bafbb04e9bc4eac65df3.exe	14
PID 2856 wrote to memory of 2272	2856	542165f3d7b8bafbb04e9bc4eac65df3.exe	14
PID 2856 wrote to memory of 2272	2856	542165f3d7b8bafbb04e9bc4eac65df3.exe	14
PID 2856 wrote to memory of 2272	2856	542165f3d7b8bafbb04e9bc4eac65df3.exe	14
PID 2272 wrote to memory of 2148	2272	IEXPLORE.EXE	15
PID 2272 wrote to memory of 2148	2272	IEXPLORE.EXE	15
PID 2272 wrote to memory of 2148	2272	IEXPLORE.EXE	15
PID 2272 wrote to memory of 2148	2272	IEXPLORE.EXE	15

C:\Program Files\Internet Explorer\IEXPLORE.EXE
"C:\Program Files\Internet Explorer\IEXPLORE.EXE" http://122.102.6.88/down5/down/?s=C0BDC0A1B0D8B2A2B6BEB4A281D8B6B7&n=C999C5B3B49EABC3B8D6C4AD
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2272
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2272 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:2148

C:\Users\Admin\AppData\Local\Temp\542165f3d7b8bafbb04e9bc4eac65df3.exe
"C:\Users\Admin\AppData\Local\Temp\542165f3d7b8bafbb04e9bc4eac65df3.exe"
1⤵
- Modifies WinLogon for persistence
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2856-2-0x0000000000020000-0x0000000000030000-memory.dmp

Filesize
64KB

Download
memory/2856-0-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2856-4-0x0000000000020000-0x0000000000030000-memory.dmp

Filesize
64KB

Download
memory/2856-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads