232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a

General

Target

232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Size

76KB
MD5

a8b9e862b1d24e9e0b6048d310dd51ba
SHA1

5489c0a8a33b382d3542a24366173ad5362eb9cf
SHA256

232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a
SHA512

779ebcf04da8f5dd00394ca80b30bd244004e7db2eefd2133c0dfd639ac6b2b47661ae194b6b3c3166ff2409853ae523d5fd564722e46b108c2f53509dde4c39
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOX:RshfSWHHNvoLqNwDDGw02eQmh0HjWOX

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4540	rundll32.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	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.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 opened for modification	C:\Windows\SysWOW64\¢«.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
File created	C:\Windows\SysWOW64\¢«.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
File created	C:\Windows\system\rundll32.exe	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1718112784"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1718112784"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	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\" %*"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4540	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
4540	rundll32.exe
4540	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4492 wrote to memory of 4540	4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe	85
PID 4492 wrote to memory of 4540	4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe	85
PID 4492 wrote to memory of 4540	4492	232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe	85

C:\Users\Admin\AppData\Local\Temp\232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.exe
"C:\Users\Admin\AppData\Local\Temp\232c082c75a639812e2f9026917fe80e3536964ddd23c78ce894e2a6607e5b7a.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:4492
- 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:4540

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
84KB

MD5
1956c85ec17b9fd1054149f1e2637afe

SHA1
8ceb9f856fc7c4a32badd302ab95c7e63738d721

SHA256
bbc30378845aea7da9881c686b93e4ea9d17931dffd65a8a1cafe92a6ab89d59

SHA512
de1539fe181085ede7ea20f772cb83f4f07b305e913ffd151b0d1ec1669a0ee39939f3bdb78c291756cca27d536de341cb251570788464dc499e175dcebd270e

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

Filesize
79KB

MD5
99f96077981c7aaecd09da0ca9e8d2d1

SHA1
93d2cfff9f7cb4248e4e6aea43a3ad0660f9ef32

SHA256
8c8b4266744b5cd5943734dd681010275a63a1ce4b3234f1d46d342dacd58135

SHA512
cfd093e8d33a9339652d3dfb59a298bfd89f65932a117efbbc547296b63c8ea704ebbafb7928e9308e0eb314477050b2ca22bc908c481ce661c33d3d3d22c177

Download Submit
memory/4492-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4492-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads