d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68

General

Target

d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Size

73KB
MD5

1953b14330530151e83fae043a7c7a3f
SHA1

ff7efd2e281c109b918c5077e91db1b92248e8d1
SHA256

d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68
SHA512

b9d046ec5cab3ff038a1855b37dad82aff710c01b379be82c8c740b739cb25bfa1b82a7960279b86bc1eb7552b308289f19344cea41d0fe1e50fdb78dcb1174c
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO4:RshfSWHHNvoLqNwDDGw02eQmh0HjWO4

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1796	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.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	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.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 created	C:\Windows\SysWOW64\notepad¢¬.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
File created	C:\Windows\SysWOW64\¢«.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
File created	C:\Windows\system\rundll32.exe	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe

Modifies registry class 15 IoCs

description	ioc	Process
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	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716214687"	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.exe %1"	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716214687"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1796	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
1796	rundll32.exe
1796	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28
PID 2148 wrote to memory of 1796	2148	d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe	28

C:\Users\Admin\AppData\Local\Temp\d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.exe
"C:\Users\Admin\AppData\Local\Temp\d4310fa2c99c105f60c6d13e99de9f6fa9b82fbea896fb43799114cf050f8b68.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:2148
- 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:1796

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
73KB

MD5
d2c0dd76e05e3ed2106089468b2d65a2

SHA1
642967312de7e370e19515651b6cb460bec6e87e

SHA256
13cd0eb0d1b9065937173ff5e79f8b5088e0690d65e60d3782a491366697d2e3

SHA512
8e9c96fe25347aa869797e0ceba8adf0d74ad34a76a24e4fb9eb23dfdfe521b130802e3b2c8ee303f365b2bce51e70ff7bd211645c0c20b79a7ceba5d0dfc69a

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
6c4bfea6ce274cde8ee3f345dc5408ff

SHA1
dd00c313ee706990f5f36c3f3dea3d622b9ea655

SHA256
7b878bd8a531e859f10612d7e42932b1beafe317fa6376dad634eb57da14de75

SHA512
be55d2ec86885ab58e91a9abf225f33e4bd9354028a42bb3080a5fa80daf1dfcfc2aabfa78b10e5a5718e996764d1c5054882096d0e8b1f1df91b8929df2e81e

Download Submit
memory/1796-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2148-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2148-17-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2148-18-0x00000000003E0000-0x00000000003F6000-memory.dmp

Filesize
88KB

Download
memory/2148-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2148-22-0x00000000003E0000-0x00000000003E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads