d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5

General

Target

d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Size

79KB
MD5

e72cd49ad0842e4f3ac030999d5ca1cc
SHA1

77d57b2dd8e87fd7b9de6f8209f257989c91c48c
SHA256

d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5
SHA512

d5b96ec68b674adce6bb6735fde59d756bb4d3e562f71f8870b6cc28db8028e7008e3ae583b1e6fb87fed1087fa23d52a91f11e9998691963459c9ee28aca2c5
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOx/c9:GhfxHNIreQm+Hia/c9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2136	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.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

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
File created	C:\Windows\SysWOW64\¢«.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
File opened for modification	C:\Windows\system\rundll32.exe	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe

Modifies registry class 15 IoCs

description	ioc	Process
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716172034"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716172034"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2136	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
2136	rundll32.exe
2136	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28
PID 2696 wrote to memory of 2136	2696	d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe	28

C:\Users\Admin\AppData\Local\Temp\d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.exe
"C:\Users\Admin\AppData\Local\Temp\d6cedd61d575e9193f85648f68aeaa2414e0a5710b659a5894f9c6107c7c0bd5.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:2696
- 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:2136

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
84KB

MD5
4946d465a1d8dfaa685d127d3e36f5be

SHA1
1ab5c8d4a68bb3a13ca42ef4d523f857ea2fd1b8

SHA256
abfe02121f5a752853e72971e8927a2918594c0b1c2fc33d95054dc95c02ae15

SHA512
9e3cabbe0930b9eac7d98b7f33d272d19131478bfc9bf147da8a3cf66af5625db7924988efeb31262746960c10f58d0a73477cb568ad96c05b9c693046207acc

Download Submit
\Windows\system\rundll32.exe

Filesize
75KB

MD5
2385e7a68e1dd065085d2e97202807d5

SHA1
79659729f4de7567b4bca76b23f91dfb80e07320

SHA256
bc79f31308922d506fe9f6cd21f9f88e588b1494ee72bfd2506ac0979a671074

SHA512
1e17cd7a3c706223c6693a097c1022f039ec4f4098ab73b182c82bba4830d047e4ab9339af92bb8acb2abb5bcba53eba1e4656f0cc42486a246865ecab40ed56

Download Submit
memory/2696-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2696-12-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2696-17-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download
memory/2696-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2696-21-0x0000000000360000-0x0000000000376000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads