e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c

General

Target

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Size

78KB
MD5

a7d61ab6c655d8bfb5d9804d6a010dd2
SHA1

eecedf39de8c1c73059b56d8e4df651f771a634d
SHA256

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c
SHA512

7061b1615557815eebf94c621a7e7916c26e11c1b384ddd5c452b8e0fa675f4e4d2a13f327616012aed44eb23b835d49f2457b26b4fa7914bd4efb397d0e3e04
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOt2:RshfSWHHNvoLqNwDDGw02eQmh0HjWOQ

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

1560 rundll32.exe

pid	process
1560	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exerundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.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	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

Drops file in System32 directory 4 IoCs

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

description	ioc	process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
File created	C:\Windows\SysWOW64\¢«.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

Drops file in Windows directory 2 IoCs

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
File created	C:\Windows\system\rundll32.exe	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

Modifies registry class 15 IoCs

Processes:

rundll32.exee49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716301079"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716301079"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

pid	process
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

1560 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exerundll32.exe

pid process

4116 e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
1560 rundll32.exe
1560 rundll32.exe

pid	process
1560	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe

description	pid	process	target process
PID 4116 wrote to memory of 1560	4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe	rundll32.exe
PID 4116 wrote to memory of 1560	4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe	rundll32.exe
PID 4116 wrote to memory of 1560	4116	e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.exe
"C:\Users\Admin\AppData\Local\Temp\e49235e6052b75ed46dba5c4359028a90a445e37aab52e5725fe5d005dafe57c.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:4116
- 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:1560

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
1⤵
PID:3328

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
76KB

MD5
e2f6fef4b4be043e96b1ee9c3d1e3995

SHA1
2098595764cdd0f393e09d15e1aaa66bfc9bb58b

SHA256
80a28d4525cae155813fbd616c756463166ef908644b19d2dfcdfc3c8a5c25f8

SHA512
72c2e2633468359e6c61e2936e7a713b519be960696cacdd6ce74169a1c9cc5316f6eecf6c6212a44aecd5321875a90ace8c6a89df52b166236fd292a3a1519a

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

Filesize
80KB

MD5
f620335d307c7af46c764b5a8aa0029f

SHA1
cba433a750fc5f65fef6e5ca778fcdcff41c6d68

SHA256
2b9f579ff94150ba209d9569e10ccf47c0b0b21bfbaa7603a34eaa6f4f517cee

SHA512
a48090d9f28270aef3e85e4e12b8dd48008a3ef6a09e28584140049208168545f8d1e45b16e9bce5193bf7b11fccbfd21425b4a3a924481618ebd4f276fbfd4d

Download Submit
memory/4116-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4116-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads