9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677

General

Target

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Size

79KB
MD5

0c1ef2e26a158bc0940392547ed6ce6b
SHA1

198ba0501699d64a941feba85a324d698361447c
SHA256

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677
SHA512

0c7386e6818a07cffff270725232e8a22da4833ced4af0b16cf0d2c559a39a66373e24158ba1512d0d6824705b869db26813de283edef6ad94af5b1d17d54eb4
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOB8:RshfSWHHNvoLqNwDDGw02eQmh0HjWOXu

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

2720 rundll32.exe

pid	process
2720	rundll32.exe

Loads dropped DLL 2 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

pid	process
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exerundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Drops file in System32 directory 4 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File created	C:\Windows\SysWOW64\¢«.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Drops file in Windows directory 2 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	ioc	process
File created	C:\Windows\system\rundll32.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
File opened for modification	C:\Windows\system\rundll32.exe	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Modifies registry class 15 IoCs

Processes:

rundll32.exe9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716412944"	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	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.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\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716412944"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

pid	process
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2720 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exerundll32.exe

pid process

2180 9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
2720 rundll32.exe
2720 rundll32.exe

pid	process
2720	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe

description	pid	process	target process
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe
PID 2180 wrote to memory of 2720	2180	9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.exe
"C:\Users\Admin\AppData\Local\Temp\9425e7eeebfd475b92e0bb107f2ccd1fb12c31fc9b76cfb5bf0be51b6f577677.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:2180
- 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:2720

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
74KB

MD5
0d6b3831edd9d314f80c1a45b9197de4

SHA1
7ce9a2abb5f911b7046d75047b51a7075b72c038

SHA256
d197d2ef773e1e87d241261b7864ef73e45fdad2adaa72763df2dfa3cf8d027f

SHA512
881606e3702eac359127d3951dfb3e2e1688e809c673dc750a63378ff1572b5ff14c1c2aaacdb86d9ce62b5af484aa7987a1d753710d5d1f2e32aaf7a5e7a008

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
5b67d549a8978dbe3f57acac43ecab09

SHA1
c88b1e4b847c53899f04bd93fa22df03da9f07c4

SHA256
7c9427fba0a37c378b5a6d07998f596d45a1c8b460de1f8c34ca92bad5b9cbd8

SHA512
f87f174dae74d5062c7d05d608fa61e55d2f7046fb5fbed708d2ed60febed2525a27f8eb82b2f311d33779a1aeb259c5736aaeb3ce4174d2af965dac0e31083b

Download Submit
memory/2180-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2180-18-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2180-19-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2180-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2180-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download
memory/2720-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads