e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105

General

Target

e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Size

77KB
MD5

9b0a9937fec1d7018a457b32a3c38dbf
SHA1

846684d12de79125108337611fa4622a4cd040dc
SHA256

e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105
SHA512

4e400a7f562d15479e8b472bc8361fda242697e096b1d5dbfa8a368bb458e296e96c705e91859f669677dcb71db3231ab2d4f676b85506d42c2cb2ae6abe8c49
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOZKhm:GhfxHNIreQm+HieKhm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4860	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
File created	C:\Windows\SysWOW64\¢«.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
File created	C:\Windows\system\rundll32.exe	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695271588"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695271588"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4860	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
4860	rundll32.exe
4860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3240 wrote to memory of 4860	3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe	88
PID 3240 wrote to memory of 4860	3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe	88
PID 3240 wrote to memory of 4860	3240	e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe	88

C:\Users\Admin\AppData\Local\Temp\e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe
"C:\Users\Admin\AppData\Local\Temp\e4be467f7ead8e346239df7ec1745f7904a4f3918eaedafbbb0280c3f8bea105.exe"
1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3240
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:4860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Privilege Escalation

Event Triggered Execution

1

T1546

Change Default File Association

1

T1546.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
79KB

MD5
a01be12c100edb4422c3b9b3dbe22551

SHA1
bf4b6c957e9ae4aba832ec22c3cdabd851d3b3f3

SHA256
d144bd713ce1dca369b2f9a6d559d1625e233337d3fdae9f604ecab2bcfcccfc

SHA512
8ae42b10c67a3602c98413761d423a2a6dd6cfaf1e71c3522617ee99528359600668c672b3e0dd4d78928ad80a059ac0da71b63218f7a187d3df026c4b536b93

Download Submit
C:\Windows\System\rundll32.exe

Filesize
83KB

MD5
bbe15d635f0b78b8a0ee39736f7f83dc

SHA1
c0fb0f74f0f2a1120fdc5d5ff32ef1f133096eb3

SHA256
52673f1ca4e90d8e6151e9868ae4db3ca2ddeda0010ca349a7feceec3eec929b

SHA512
4bec2bb53150dd3ab0a9d6ce64f849c0a75c5d3e239ddeef896ebc6b004a3eedc0c4671a9ce89ab299ecd84594d6c7ac8433f6cbdc7a93dffe7b70d2461d6690

Download Submit
C:\Windows\system\rundll32.exe

Filesize
83KB

MD5
bbe15d635f0b78b8a0ee39736f7f83dc

SHA1
c0fb0f74f0f2a1120fdc5d5ff32ef1f133096eb3

SHA256
52673f1ca4e90d8e6151e9868ae4db3ca2ddeda0010ca349a7feceec3eec929b

SHA512
4bec2bb53150dd3ab0a9d6ce64f849c0a75c5d3e239ddeef896ebc6b004a3eedc0c4671a9ce89ab299ecd84594d6c7ac8433f6cbdc7a93dffe7b70d2461d6690

Download Submit
memory/3240-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3240-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4860-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads