0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0

General

Target

0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Size

75KB
MD5

6540d02754d72902cdae93bf3fda7d3f
SHA1

04ef874fea17e8e79408122aaca0fa7473242956
SHA256

0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0
SHA512

a965d973d10b0926706e7120e704639774133e1041311fc3bc9988b5a9039d46177e83ebe89785feb17bc6283097b311302305c5ab3905cf998a9bc9540f94cc
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOK:RshfSWHHNvoLqNwDDGw02eQmh0HjWOK

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2832	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
File created	C:\Windows\SysWOW64\¢«.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
File created	C:\Windows\system\rundll32.exe	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697583633"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697583633"	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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2832	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
2832	rundll32.exe
2832	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29
PID 2692 wrote to memory of 2832	2692	0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe	29

C:\Users\Admin\AppData\Local\Temp\0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.exe
"C:\Users\Admin\AppData\Local\Temp\0aeb2f1ce3ab5067177c9cf1ab3ab4ac2b6b9a42931bd6120fedc91047eb46b0.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:2692
- 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:2832

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
81KB

MD5
fe76fcfc7b0c9ea3728659316d564f11

SHA1
9836a36c774fd87530b4188f250f0f420f8fd424

SHA256
0b3a28807620c90ad790b94fa1a9ab9f995e5839faf1fdac220e81dced64e5f9

SHA512
012517363ca3a84d7966e83abf4c719f81dce66edad47881e0a571d6a47973bb3fbddc3d9249a76796e4b990e950637a46a330c96b91826b3301a971ecb0b291

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

Filesize
78KB

MD5
80bee30987888479c67c6da8f39b5f7f

SHA1
9907b61edaf9e5c1821e2f07c9b461cb36fc257e

SHA256
04cec7183fb59151eb7fdacb287cd911bfecc1e5065b2de57006702816a88d50

SHA512
c97ec136b7aad8c1790f9f779ebd7ec0a2e99010d687199389a664727f5a93cc296687adfb5fdc383d3f3c41c41625ff16bd5797812089a6051215dbaea963c2

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

Filesize
78KB

MD5
80bee30987888479c67c6da8f39b5f7f

SHA1
9907b61edaf9e5c1821e2f07c9b461cb36fc257e

SHA256
04cec7183fb59151eb7fdacb287cd911bfecc1e5065b2de57006702816a88d50

SHA512
c97ec136b7aad8c1790f9f779ebd7ec0a2e99010d687199389a664727f5a93cc296687adfb5fdc383d3f3c41c41625ff16bd5797812089a6051215dbaea963c2

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
80bee30987888479c67c6da8f39b5f7f

SHA1
9907b61edaf9e5c1821e2f07c9b461cb36fc257e

SHA256
04cec7183fb59151eb7fdacb287cd911bfecc1e5065b2de57006702816a88d50

SHA512
c97ec136b7aad8c1790f9f779ebd7ec0a2e99010d687199389a664727f5a93cc296687adfb5fdc383d3f3c41c41625ff16bd5797812089a6051215dbaea963c2

Download Submit
\Windows\system\rundll32.exe

Filesize
78KB

MD5
80bee30987888479c67c6da8f39b5f7f

SHA1
9907b61edaf9e5c1821e2f07c9b461cb36fc257e

SHA256
04cec7183fb59151eb7fdacb287cd911bfecc1e5065b2de57006702816a88d50

SHA512
c97ec136b7aad8c1790f9f779ebd7ec0a2e99010d687199389a664727f5a93cc296687adfb5fdc383d3f3c41c41625ff16bd5797812089a6051215dbaea963c2

Download Submit
memory/2692-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2692-12-0x00000000001F0000-0x0000000000206000-memory.dmp

Filesize
88KB

Download
memory/2692-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2692-21-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/2832-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2832-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads