5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45

General

Target

5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Size

82KB
MD5

fe2bd44489ea2b5ef3b38f61ddae0653
SHA1

d7ab2e89d692b14f83bb4fb528916e60451a05fb
SHA256

5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45
SHA512

048bccda9a98134c616d7c437d84dbb3dbf50752e03e47f03e4f5c27437d6f4e138d8f105391d73bd88285937151012a511ce43154d97d95334f07b434162057
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOAo4BENO:GhfxHNIreQm+HiNo4BENO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2308	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.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\" %*"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.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	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
File created	C:\Windows\SysWOW64\¢«.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
File created	C:\Windows\system\rundll32.exe	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1695004145"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1695004145"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2308	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
2308	rundll32.exe
2308	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28
PID 2472 wrote to memory of 2308	2472	5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe	28

C:\Users\Admin\AppData\Local\Temp\5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.exe
"C:\Users\Admin\AppData\Local\Temp\5c057e9597dddaf151c2784acf7158c9c18cbf11e663f7156976fcdc601c7b45.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:2472
- 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:2308

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
76KB

MD5
553467c96e0c49551a629222e128cb61

SHA1
c2815063c9c365a17c9794bf2f7d482a52d2477b

SHA256
3d4f94ed291f4a5b9275c8d4c6c81807b761e879b728e4216ce9f5e18ff4543c

SHA512
7c080a00e08b89efc46099d84ad755eba4287627ff6bac00ddfc8b611f218db18a019ca4dba6339993fdd5cf2280df4ce3ee9402dbfc2bcadd43fc3e29ef7159

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

Filesize
82KB

MD5
4603b0a0b6782ba31afe0ae3316d0df6

SHA1
ee54340537f2331f3f38d8357f2a68bff1a874a8

SHA256
3c4b69deb8c7a8216e403dbd05a97c3d1bcccf42ba81ed14a06eeabe210f35bb

SHA512
c4d91f1ba9a5700a3560f1751fb01925afdd9df9bbb15eb8a49ebd46d40ceb44fa86848154a1e8770715c47d9f03ea07148016252671f240cc9c29519a86c752

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

Filesize
82KB

MD5
4603b0a0b6782ba31afe0ae3316d0df6

SHA1
ee54340537f2331f3f38d8357f2a68bff1a874a8

SHA256
3c4b69deb8c7a8216e403dbd05a97c3d1bcccf42ba81ed14a06eeabe210f35bb

SHA512
c4d91f1ba9a5700a3560f1751fb01925afdd9df9bbb15eb8a49ebd46d40ceb44fa86848154a1e8770715c47d9f03ea07148016252671f240cc9c29519a86c752

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
4603b0a0b6782ba31afe0ae3316d0df6

SHA1
ee54340537f2331f3f38d8357f2a68bff1a874a8

SHA256
3c4b69deb8c7a8216e403dbd05a97c3d1bcccf42ba81ed14a06eeabe210f35bb

SHA512
c4d91f1ba9a5700a3560f1751fb01925afdd9df9bbb15eb8a49ebd46d40ceb44fa86848154a1e8770715c47d9f03ea07148016252671f240cc9c29519a86c752

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
4603b0a0b6782ba31afe0ae3316d0df6

SHA1
ee54340537f2331f3f38d8357f2a68bff1a874a8

SHA256
3c4b69deb8c7a8216e403dbd05a97c3d1bcccf42ba81ed14a06eeabe210f35bb

SHA512
c4d91f1ba9a5700a3560f1751fb01925afdd9df9bbb15eb8a49ebd46d40ceb44fa86848154a1e8770715c47d9f03ea07148016252671f240cc9c29519a86c752

Download Submit
memory/2308-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2472-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2472-11-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/2472-20-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2472-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads