8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb

General

Target

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Size

84KB
MD5

d88fd15309e0863d6a90aa9dcd81b058
SHA1

5590c3f50acef7fff67c1f7a9c18a28854eff253
SHA256

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb
SHA512

14475ff66a3cb452a9c12f1f9965d0b89faad2dea1c16e38baebf50e87d00e353e68b540291ff2dc22949436f6bf08fabfe3fdae475bb1fbe2ea7399ea649cbf
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOwDVE6r:GhfxHNIreQm+HiDDVE6r

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

4668 rundll32.exe

pid	process
4668	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

rundll32.exe8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

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	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

Drops file in System32 directory 4 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
File created	C:\Windows\SysWOW64\¢«.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

Drops file in Windows directory 2 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
File created	C:\Windows\system\rundll32.exe	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

Modifies registry class 15 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exerundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1714256309"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1714256309"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

pid	process
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

4668 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exerundll32.exe

pid process

2356 8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
4668 rundll32.exe
4668 rundll32.exe

pid	process
4668	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe

description	pid	process	target process
PID 2356 wrote to memory of 4668	2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe	rundll32.exe
PID 2356 wrote to memory of 4668	2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe	rundll32.exe
PID 2356 wrote to memory of 4668	2356	8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.exe
"C:\Users\Admin\AppData\Local\Temp\8d09b570788c880e4c19d324b57dac5d069fc7554e8873b5c75cf270e5e361fb.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:2356

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:4668

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3720 --field-trial-handle=2252,i,16504368816373493055,9578615028378602855,262144 --variations-seed-version /prefetch:8
1⤵
PID:2304

Network

MITRE ATT&CK Matrix ATT&CK v13

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

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe
Filesize
75KB

MD5
f2a92b719384e91c84b1180e5ccf9c4f

SHA1
700038921591637f080b00be171b825e438b7f93

SHA256
de5baa7ad8436e693b7fe24eaff55026a6cd4ea00f7fb299c44887169c7b8f22

SHA512
b8262294c891ab511d04820387f614d055e84edc80db9cf6b678de4b406cc1e302dc4ae86caec4efe340a592b44a87bbe8464916a5afd3b2fdf84299f321df5a

Download Submit
C:\Windows\System\rundll32.exe
Filesize
73KB

MD5
82b2ae219d4aa621986be8b89a1c4882

SHA1
6eb354e508a73accd10e8aafcfe3956e5854f5c1

SHA256
5874a8251692cc902b3a368cac364f5ecd8d1d6ff024ccf4d0a5482b1f457e3d

SHA512
edd75c4254eaeafc56d673954f97ca6c59aa24603f82213702c38fb3c33509063d80f17d394a5d1ebbbf3d0962ba292b1b162d2fc2f1b0f9ca3d2e070f02e852

Download Submit
memory/2356-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2356-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads