876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8

General

Target

876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Size

79KB
MD5

87b454cfe302b5de88100fbac03a66e5
SHA1

0c9b7690bcbb24e45366ecc5f532554e4d34e02e
SHA256

876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8
SHA512

b539378cf76e04d8c933b1abfedb37e6b25336e2a85e60699ab49a6e7d00c48b3123ea11d545a6e497ea2a1267f04acc2f026df5b4b4406e866726d5216921e7
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOggTsN:GhfxHNIreQm+HiHgTsN

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2584	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\" %*"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.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	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
File created	C:\Windows\system\rundll32.exe	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1714249067"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1714249067"	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\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2584	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
2584	rundll32.exe
2584	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2584	2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe	86
PID 2852 wrote to memory of 2584	2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe	86
PID 2852 wrote to memory of 2584	2852	876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe	86

C:\Users\Admin\AppData\Local\Temp\876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.exe
"C:\Users\Admin\AppData\Local\Temp\876ae7e4e64448ac10a6ed733a76da3133bcd8db498624cd0b2216daa1406bf8.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:2852
- 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:2584

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
73KB

MD5
7056cf1f98e3c93e11807e78cc28d470

SHA1
cc99e6601cabbcfc7380168f3ac66e50ac655922

SHA256
1f5e94f43b8ddabd71d95d83b9728d4d35d9575eabe395d7abdfcb062aaf7bc0

SHA512
3ea92fe05c37c61898f91931d23a7dca99e8d07c9b626c3e399f5ca646a09398d8f47c6ceb9ab4c07183be170199caf3bdd47e1bcdf12b462b8c74336d25a465

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

Filesize
82KB

MD5
f35ca290afc2eb515bf3cfb436f6cd45

SHA1
b63560807f847be65a562f700871de2a4d100a7b

SHA256
26b437fd210de8b880e75373a7e40dca1264ee04be0a32fee43b23ba7ace0d06

SHA512
4038d2c437794b9f332b0641b96737adae4732d9b73203c29409da123d810ef695090700b787bfb3981895693d6c3dac73a9bd4c994ae2f0b86880567dd32824

Download Submit
memory/2852-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2852-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads