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
5068	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\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe

Drops file in System32 directory 4 IoCs

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

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\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717993781"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717993781"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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\" %*"	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 (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
5068	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
5068	rundll32.exe
5068	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4992 wrote to memory of 5068	4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	90
PID 4992 wrote to memory of 5068	4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	90
PID 4992 wrote to memory of 5068	4992	e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe	90

C:\Users\Admin\AppData\Local\Temp\e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.exe
"C:\Users\Admin\AppData\Local\Temp\e003b9ab60a0ecd5528e9de8d6f5846138cb5d1e79d63e513b480f79da59db57.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:4992
- 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:5068

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 --mojo-platform-channel-handle=1408 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
1⤵
PID:3964

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
adf921b8a06c5b2acd22737e18211e56

SHA1
270b1576d63f419caf378bb196f5e46c1379d7fe

SHA256
941f83d059257cd8e9b9c0a5385ed56a711245e5f8123604678ca49f266d0877

SHA512
d2b69939002977d19e34ab95e803a897999ae5b4317709af577af0ee0fd5224c2cd8d2ea5d180c2214ccacf8b415986e364ef9437a399a4397191d5d76d0f5a6

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

Filesize
74KB

MD5
146cf1bb792b9f55e24f877533d905cb

SHA1
1761a91e32857026140c83e854c896fe489744bd

SHA256
fcefc17283243a10b43bcb0aafa297c1b8cb765babf3056103033248e0d8a501

SHA512
dd11e3ca745a1f9774bb1a87be11c8ae58cc99dbe6f86f9435e304a8d9d3e0d61f4a5b0867a012411afc1fadfe1ce35b9521532de5eda647e55fb4863a910d43

Download Submit
memory/4992-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4992-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads