56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46

General

Target

56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Size

83KB
MD5

155a2f2ef4d6c52610ada672506f7535
SHA1

46f90856c109438e2ccf54d4436c2820561c8e80
SHA256

56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46
SHA512

23506ccdaff3f8b783d6840949be18e1c703d73f1fa4b9064c5f6049f85dfc5cc09a77e90d407e185a2796d5e71d5145f22fe36c72b50c5d1bcde7e4909fb4f8
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOcrDUAGbAv+mcVaRApvq:GhfxHNIreQm+HiZrDUAGbAv+mcVaRApS

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1288	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	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
File created	C:\Windows\SysWOW64\¢«.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
File created	C:\Windows\system\rundll32.exe	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.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 (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697065093"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.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	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697065093"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1288	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
1288	rundll32.exe
1288	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 1288	220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe	84
PID 220 wrote to memory of 1288	220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe	84
PID 220 wrote to memory of 1288	220	56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe	84

C:\Users\Admin\AppData\Local\Temp\56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.exe
"C:\Users\Admin\AppData\Local\Temp\56c478a29ca854578b9b5a3011056427181144159de8f78514979cec2ca25a46.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:220
- 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:1288

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

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Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
82KB

MD5
e3128f19c1d8b540171a84f0ac4931ef

SHA1
8fd5afd01a359dd1d1c9aef7598cdaefd445b0be

SHA256
3124c25df59d44370112f19c3bc346d256cd826f93c8de7dadae491c09b78781

SHA512
2837bd3d27afe6aa4ebd287a0ff4fa71c6544da46a802bf7736ebf4eb4c4861201623313dc14c0d0ea776550ba6f602f3c044f5740e08335982507ed3e3d764e

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

Filesize
81KB

MD5
fd81af230b63e03275d50b64967891a9

SHA1
7346e171e405881a64741be0c143b8c5e81cbe48

SHA256
2c95c805e5ce9dc6e6073252d99d321ccc0ebf312784789f9fbb17cada776d04

SHA512
42fb09c21beb556179d2b48461bd513bb5419cdad3a4aecd1bb20bdacb14102ffc88b70119383239a7a1ca1da9b46a29b714e2166a6500a194a998b95233637c

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

Filesize
81KB

MD5
fd81af230b63e03275d50b64967891a9

SHA1
7346e171e405881a64741be0c143b8c5e81cbe48

SHA256
2c95c805e5ce9dc6e6073252d99d321ccc0ebf312784789f9fbb17cada776d04

SHA512
42fb09c21beb556179d2b48461bd513bb5419cdad3a4aecd1bb20bdacb14102ffc88b70119383239a7a1ca1da9b46a29b714e2166a6500a194a998b95233637c

Download Submit
memory/220-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/220-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1288-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads