20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763

General

Target

20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Size

73KB
MD5

0ba2c7974bb5c1579a580666fa0d7b27
SHA1

a80468375846d78ff190f0bc8d78b0d261de5c28
SHA256

20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763
SHA512

c977306373100b3c0edd3d79192655538a9f697574d64867fa7170faad765d18a4755137ff9d87b01d9127ca3ea5b250da667669e390505964393645ef16f721
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO1:RshfSWHHNvoLqNwDDGw02eQmh0HjWO1

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4100	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	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
File created	C:\Windows\SysWOW64\¢«.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
File opened for modification	C:\Windows\system\rundll32.exe	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	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	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718303808"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718303808"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4100	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
4100	rundll32.exe
4100	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 984 wrote to memory of 4100	984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe	85
PID 984 wrote to memory of 4100	984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe	85
PID 984 wrote to memory of 4100	984	20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe	85

C:\Users\Admin\AppData\Local\Temp\20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.exe
"C:\Users\Admin\AppData\Local\Temp\20a229243897ff05c0de73ef94e78812ebc7afcede2ce85fa1ccc4f9422e3763.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:984
- 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:4100

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
80KB

MD5
ce0bbda22836f1da0cae27a473178c40

SHA1
797a04c41b5d5f10827e5c84ecad9988a9fe60dd

SHA256
49c6cdda1a721d106757cfe5913d821782bfcde6aa157719cfd2871b1ec8d6a1

SHA512
d277f878a3f307c41d040566721394cec8ee0e7cecc853cc1a55f93f778af81c8dce27542b1044dd1cb10e3b0ae53db70d8a443bc4add22f9d14889ac7b9da4f

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

Filesize
77KB

MD5
edb93378b4e7c817e12b3065cc03b274

SHA1
0e5cb2e84a5f1e0247be47807dc584bd039f3bc0

SHA256
b6760b29d337d6cdff8529718d643b349b55e060ab1bdcbc9d3d2e177d86cd29

SHA512
205be518dd619ba3bae0670750070ad271a28794fe09ce8fb25efda85bfaa2e5746ffaa59f56347fdf4fb8a9077f56c69206fb2d3f6dbf31da76b46141108a68

Download Submit
memory/984-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/984-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads