f7be259e218dc66029abbb9bfd8a1a810fd1159cdea2533a055f8479216caf77

General

Target

f7be259e218dc66029abbb9bfd8a1a810fd1159cdea2533a055f8479216caf77.dll
Size

161KB
MD5

7cfbce53f269069f9cd84ccee3969cba
SHA1

8fb51576c732b34e1f6c879921a665dc0ab41329
SHA256

f7be259e218dc66029abbb9bfd8a1a810fd1159cdea2533a055f8479216caf77
SHA512

425e38f0ab929ab1bf24c0a87364ae1b9f71209f80aa48cdb169976ef6766493d4f07d15d86972159b439e223d80b52384c8ded4aea258b877f2e16a0070af5c
SSDEEP

3072:D8m2gRczrMuV+rfbX6dK1DEmMMHGb4JuZM/OBLxCUfsCxjajwmKAvYj:DTRc/sfb9LMMmb4JY9sCxja6A

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 24 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0"	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{A3CEC901-4954-11ED-9AD4-7A3897842414} = "0"	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IntelliForms	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\PageSetup	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Zoom	iexplore.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0"	iexplore.exe
Set value (data)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000000000001000000ffffffffffffffffffffffffffffffff3d0000003d000000c3040000a2020000	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\GPU	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\InternetRegistry	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main	IEXPLORE.EXE
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\IETld\LowMic	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	iexplore.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1104	iexplore.exe
1104	iexplore.exe

Suspicious use of SetWindowsHookEx 10 IoCs

pid	Process
1104	iexplore.exe
1104	iexplore.exe
268	IEXPLORE.EXE
268	IEXPLORE.EXE
1792	rundll32.exe
1104	iexplore.exe
1104	iexplore.exe
764	IEXPLORE.EXE
764	IEXPLORE.EXE
1792	rundll32.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 864 wrote to memory of 1792	864	rundll32.exe	28
PID 1104 wrote to memory of 268	1104	iexplore.exe	31
PID 1104 wrote to memory of 268	1104	iexplore.exe	31
PID 1104 wrote to memory of 268	1104	iexplore.exe	31
PID 1104 wrote to memory of 268	1104	iexplore.exe	31
PID 1104 wrote to memory of 764	1104	iexplore.exe	32
PID 1104 wrote to memory of 764	1104	iexplore.exe	32
PID 1104 wrote to memory of 764	1104	iexplore.exe	32
PID 1104 wrote to memory of 764	1104	iexplore.exe	32

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7be259e218dc66029abbb9bfd8a1a810fd1159cdea2533a055f8479216caf77.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:864
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f7be259e218dc66029abbb9bfd8a1a810fd1159cdea2533a055f8479216caf77.dll,#1
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1792

C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
1⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1104 CREDAT:275457 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:268
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
  "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1104 CREDAT:275461 /prefetch:2
  2⤵
  - Modifies Internet Explorer settings
  - Suspicious use of SetWindowsHookEx
  PID:764

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1792-55-0x0000000076321000-0x0000000076323000-memory.dmp

Filesize
8KB

Download
memory/1792-56-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download
memory/1792-57-0x00000000001A0000-0x00000000001CC000-memory.dmp

Filesize
176KB

Download
memory/1792-61-0x0000000000170000-0x0000000000184000-memory.dmp

Filesize
80KB

Download

Analysis

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