e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57

General

Target

e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Size

73KB
MD5

36a0c576ea687f2b0ffc6ff094d1f6e2
SHA1

d7fdf6561d3cac7057a7dd2aa64c89278bd906b4
SHA256

e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57
SHA512

a10e9f92aa03a0b69382e006c776eba00cf7e8a9d0f6897b2aa78ee0374cfc0b749616bb341c534f1f25c6e9d326f5b9203577f0a7a1cb3ee0cf90a04e05c8fd
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOE:RshfSWHHNvoLqNwDDGw02eQmh0HjWOE

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2992	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\¢«.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
File created	C:\Windows\system\rundll32.exe	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717993776"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717993776"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2992	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
2992	rundll32.exe
2992	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28
PID 1524 wrote to memory of 2992	1524	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	28

C:\Users\Admin\AppData\Local\Temp\e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
"C:\Users\Admin\AppData\Local\Temp\e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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:1524
- 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:2992

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
80KB

MD5
f42ab326d8ca832af681e3ccb51f0392

SHA1
cd86ed12b7376ccb3fa05f6f13a432083a1842b9

SHA256
0358e1f08e4568e668edd40eccb46e9f71ee489e224750ffba0466bed9b5385e

SHA512
77b3fed82dff587a77ca92e3998eb720037cd54dae19c3e384da061eaadb1ab550fe07ee5d400ba26c505dd4928ab316aef471033d4990ffcc786ca84cdc9dd8

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
1c69ce0f550936b1a8cf9231e2e5ce63

SHA1
53d1ae3990d377111a9c6e6e86e3aa2c5628801b

SHA256
2199de2332823e1dd7cfa7be745dc1d6d1bbb11d3c87a07c9c0ecbd7f9639239

SHA512
46ff1803eb679f63ae5330c5fa05235f6850d215bde8129be96de42ef3d353c910fb48cd4a059b540c0f9645c435e89e977dc66a5a5d406644ad5e56c439aa65

Download Submit
memory/1524-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1524-15-0x00000000004A0000-0x00000000004B6000-memory.dmp

Filesize
88KB

Download
memory/1524-18-0x00000000004A0000-0x00000000004B6000-memory.dmp

Filesize
88KB

Download
memory/1524-22-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1524-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2992-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads