accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80

General

Target

accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Size

79KB
MD5

1c735fc28f2cfcca56d4767c443493d9
SHA1

0fe1407d0e0937b8fc4154c6ec87e76e92c86c81
SHA256

accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80
SHA512

4d3c7b6d8015afa9a59607281bfb58b65a48db61a29ded74e6330fa8ac3db0dc42e1826d31275f79c7d348019fdd56376fc3803a707076de52c2619a3e450962
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOptkz:GhfxHNIreQm+Hi2tkz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3488	rundll32.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\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.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	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File created	C:\Windows\SysWOW64\¢«.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File created	C:\Windows\system\rundll32.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717396364"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717396364"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3488	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
3488	rundll32.exe
3488	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 3488	3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	86
PID 3300 wrote to memory of 3488	3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	86
PID 3300 wrote to memory of 3488	3300	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	86

C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
"C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.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:3300
- 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:3488

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
84KB

MD5
4a649a795150fab2def5a23176925aea

SHA1
17076b905fff5a6506ff5ce821c4c1a25a094c4c

SHA256
0e3ebbc93c959a0f5ade0524076ede0c3109a747d569d94f652f17e0c1b9ecf5

SHA512
acfd6c18e92221ba8a72cb7524eb2b6c8bf97beed2fb5bb0417e82ba2b1d8613dc084cdfa9404c5834a53e0a7d8c7812af912e6551e5dbb1669743ff7f8e412a

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

Filesize
80KB

MD5
f0eb5e3a2a47fc87bc1d598dccfc02e7

SHA1
4c2cb3ed79bb60b423afdb2d3ce367f2a47d4da0

SHA256
9dc2449b753b32f544cb4fef0d092890185e46ee7faa9c230a336f06a7e71064

SHA512
f840a287e2eebf4966f2a4de6a5e12c99620601b47d3b7c000678e2d479ff79a532248f26818d3113dc91700568441fdc86217dead535e38abbcdb9f4f7f89b7

Download Submit
memory/3300-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3300-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads