5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb

General

Target

5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Size

29KB
MD5

3d3c5b02f8c6d22cdc52c74b810011a8
SHA1

3e1f9f94f7f4fff3c772e62db75357104a3d5943
SHA256

5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb
SHA512

de4a65b7349b27f8557588082e85571096f3cf63436af18fa635a37ab055f40656087156f8b674d6d6c37dd48d810297d12581a6241d1dc11a61fa9dc416e305
SSDEEP

768:PVEHJqjHyGvwFylDpulVSQJrE/2QmlCYZUT3v1VwOxfrfk7:PH2nylslwHCCLBPr8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4236	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\" %*"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.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	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
File created	C:\Windows\SysWOW64\¢«.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
File opened for modification	C:\Windows\system\rundll32.exe	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716761582"	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\" %*"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716761582"	rundll32.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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.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	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4236	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
4236	rundll32.exe
4236	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 4236	1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe	95
PID 1380 wrote to memory of 4236	1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe	95
PID 1380 wrote to memory of 4236	1380	5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe	95

C:\Users\Admin\AppData\Local\Temp\5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.exe
"C:\Users\Admin\AppData\Local\Temp\5dcb456a45e9e9a9d4503269849f10b76fbfd26756c55d6983eae801f38eefbb.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:1380
- 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:4236

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 --field-trial-handle=3764,i,13544508926340531097,6671217806016090640,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:8
1⤵
PID:652

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
29KB

MD5
f06368d30ab7a6a2774abe2e67af8543

SHA1
78e3d2b4f8643846282787f9449f3c6b0b73bf20

SHA256
b9bb554cb72dfbf1fbc55590486462ec948fe297c9eff3d5fd5770c53734f0c9

SHA512
be1da00f32fc2372f3c452b4e34c7148e5425b628397bc745019a0b437c1486e022a4eba53107723e01cd93c70d05f8ab4eb7a74a9c032e9d9635d5827ec7ac8

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

Filesize
27KB

MD5
b527163c81ea48e16b37b1620c00af1d

SHA1
10f7b1b803723730650167cfd13a39bffa5ea1cf

SHA256
2d966c799e14743700c4b7e380ed8b30da859c6ec018888d053defd0d30ee260

SHA512
2bbce556ea1aac7e19319f96cb545d212952e3c0b6d5539cbefc6020970546b03a204d431fdccd0de73e2905b6d4665746b98eb171f48bc6058159c42d3e64e1

Download Submit
memory/1380-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1380-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-23-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-24-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-25-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-26-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4236-27-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads