8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4

General

Target

8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Size

77KB
MD5

ed98dd1f62219b4e1468f27bd40381e2
SHA1

374deb56d6702107eaa49191c3edd4f24674ea2d
SHA256

8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4
SHA512

54b2841cb361f9b5b3d4bd3cb6cee859679b584e8204b34b994de8baf705d9e0b7b601c6a5f29e5c1c30920b71bfd8d767769a2d3e14f61c82dd837dd61b390e
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO2t:RshfSWHHNvoLqNwDDGw02eQmh0HjWOOR

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2996	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.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	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	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
File created	C:\Windows\SysWOW64\¢«.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
File created	C:\Windows\system\rundll32.exe	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1715768461"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1715768461"	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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2996	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
2996	rundll32.exe
2996	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28
PID 2420 wrote to memory of 2996	2420	8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe	28

C:\Users\Admin\AppData\Local\Temp\8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.exe
"C:\Users\Admin\AppData\Local\Temp\8188e95c13b7d7a9687fac0abebb3148c1197d5b682ae5cd956f85de20e618f4.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:2420
- 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:2996

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
81KB

MD5
87d013269afb870a3bbd928d0b99e00d

SHA1
109f6593b67f576bc2ccf798fde2de758e4603f3

SHA256
98165fdb191183327f22a1c84bc0d12f34b9ae0278a992a1fc3742bcfeeb75f6

SHA512
2941b3b7a24e95a85f4e3aea0c317c239bc4dc80bf88513c18c4da5af9bb00fb9efe8477a080bb1324a0b2afdaecce296fe4dacb0b6776bc339fd9b0fbcfc530

Download Submit
\Windows\system\rundll32.exe

Filesize
80KB

MD5
9415c5178d30401a48a264366210390c

SHA1
49e2a6d409332208fad13b6b046839065b957c85

SHA256
1219fce395421a512109e6f169ae02ee4f7353c5050c701570cdf89704f0f82c

SHA512
6bfea86501faeebbf93fab91f91773073e2d36e79f4115ed57d39c682ee9838e47adf17a077a9595466299efb97de78562910fede47cbd87a146390321f3cc58

Download Submit
memory/2420-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2420-18-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/2420-17-0x00000000004C0000-0x00000000004D6000-memory.dmp

Filesize
88KB

Download
memory/2420-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2420-21-0x00000000004C0000-0x00000000004C2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads