7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621

General

Target

7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Size

75KB
MD5

7842bb21efd83e5afe68f969a0f61452
SHA1

261205aee4c78fef74462ae60eb62efe5d347de9
SHA256

7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621
SHA512

0aa674b2ef8d943ef62a3524d577c08c4f3aabd19e8f904199f06f159c89a73140685e38be24dccd1ad8fb5e4725f7eae8c3f6e6cc72120f423dbcd9b6758e58
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO9:RshfSWHHNvoLqNwDDGw02eQmh0HjWO9

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1196	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\" %*"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.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	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
File created	C:\Windows\SysWOW64\¢«.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
File created	C:\Windows\system\rundll32.exe	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716753158"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716753158"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1196	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
1196	rundll32.exe
1196	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1036 wrote to memory of 1196	1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe	86
PID 1036 wrote to memory of 1196	1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe	86
PID 1036 wrote to memory of 1196	1036	7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe	86

C:\Users\Admin\AppData\Local\Temp\7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.exe
"C:\Users\Admin\AppData\Local\Temp\7e13b0b03b56abb7f5bebaf7f79ccaf92e0967b6f57e1e3c73c18ca8240ed621.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:1036
- 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:1196

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
79KB

MD5
a6c75a883b5834117aa772f0fc20153f

SHA1
37788df2809c5f759fd6c8c6ec7a1102551e566f

SHA256
4e2d4cd3c1cf1303357639b16b360a883031c039976218e6ef5fa9485593e364

SHA512
09f87c72b3aa6bffaebb6cda7254ec614ea47d728ce47338b3d9aeceb4ccf4bc373d84f537d7ec76b891a9bbdf7876c7005ba946eab77079bf426a3259c62888

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

Filesize
76KB

MD5
9174644a560664fabb2ec8d96f713bb2

SHA1
c22db789dc3ab28eccb30de06ea7dd0ce4c94950

SHA256
05b11b67718954575197489ccaaa080759ff03ad3a0b2f1815cf7458aac5a5b8

SHA512
650069f6e26c8d8e36b68decd27d59f05b5e58f34e31ac444b3e2b48dc96a5dd1140cd820295c0dc696ea8fc9b41e9e738973a01e16cd93fb4faa9b596ab18c9

Download Submit
memory/1036-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1036-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads