d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d

General

Target

d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Size

75KB
MD5

ea6b31917503e611c8483b58fb7b2725
SHA1

26c0966d99b7fd5094e59e4d779116d8d490752a
SHA256

d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d
SHA512

807d32587877ff01ae19f964bb03bae8231db995ff285f3fdd124f43db45414cf1d7ae7d5d0e1a20eb7700c5cfe51276bd660af197fe6624153211752a68532d
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOfvx:GhfxHNIreQm+Hisvx

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2932	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
File opened for modification	C:\Windows\system\rundll32.exe	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1715959271"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1715959271"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2932	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
2932	rundll32.exe
2932	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28
PID 2984 wrote to memory of 2932	2984	d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe	28

C:\Users\Admin\AppData\Local\Temp\d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe
"C:\Users\Admin\AppData\Local\Temp\d97101379f4817eba0ae1bb7127cfd7fca3c0d8d1d666b494b67b844d3ee685d.exe"
1⤵
- Loads dropped DLL
- 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:2984
- 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:2932

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
73KB

MD5
d2c0dd76e05e3ed2106089468b2d65a2

SHA1
642967312de7e370e19515651b6cb460bec6e87e

SHA256
13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3

SHA512
8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a

Download Submit
\Windows\system\rundll32.exe

Filesize
83KB

MD5
b910f991609fa7035a8ac0b3d58eadff

SHA1
832bf221a6558ebbf17bf06fdf6aad9b992f97fc

SHA256
7022dd656e8349711284cae545e7a192e64a726a70ecb9258a35321136bf62a8

SHA512
15dcd1a4027a0f8c556588189d45486b541da1935d0d2636f2089102e35da4141c063bebc2a79d50d5783f2e1863fb6b2d3c52919dc3ae577649ec0ab2182d56

Download Submit
memory/2932-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2984-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2984-16-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2984-15-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2984-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2984-22-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads