deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730

General

Target

deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Size

79KB
MD5

8445388b586965e8ff108a7772a47d74
SHA1

e060a88e54d3953446d7cc78a20d6f61a7e3b16d
SHA256

deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730
SHA512

89679e69a82af3d8b509da5dd131cff3222064bce129fdf151041dd27336bafc2964a0abb5e62b8c24bb5db660cc4a2c9d4b2bfda4ddbc19745c688df2ceaf9c
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOnOjwLQ8d8R8Bm:GhfxHNIreQm+HikOYDm

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3060	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\" %*"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
File created	C:\Windows\SysWOW64\¢«.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
File opened for modification	C:\Windows\system\rundll32.exe	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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
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\" %*"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1724358013"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1724358013"	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"	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3060	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
3060	rundll32.exe
3060	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 3060	1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe	89
PID 1000 wrote to memory of 3060	1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe	89
PID 1000 wrote to memory of 3060	1000	deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe	89

C:\Users\Admin\AppData\Local\Temp\deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe
"C:\Users\Admin\AppData\Local\Temp\deb0df3106493d996bc16f9c843e0da2f815baec1aec9570d12c6f5b4705b730.exe"
1⤵
- Modifies system executable filetype association
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:3060

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\SysWOW64\notepad¢¬.exe

Filesize
82KB

MD5
d9adf7c2c1db3fbd9f6ddcfcd9788137

SHA1
efdd9e3917ac0a96e8101e75525ad0cbc788b635

SHA256
cc3a3c9dc9e8b1539ec649931ce7d7b49e9cd457b6781e9477b16c54d21ac9f7

SHA512
48c4734a1e09b6e672e21de29f56bae3bef49c60b333cea1a1967a1576b4e32467007036e2fdc896e30b11dccdab42342cb9bdf6fb51c253f88ffa2ebb902581

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

Filesize
75KB

MD5
a26cd6cfaed68d3e9f6360b9146aed1e

SHA1
409f1d1a13721fad2f5c21b92100e0f93c28ae8b

SHA256
e683ad2329094896088caa96f37e2427ee053775d499f7c8d9f138352e55a2f8

SHA512
9b3a197f4e7ab41b16e0df767dfb6d30398257cf556b1c7897b54f41eacef919ec0b759af9fbe4ee28e8894db8dc646a47f8b21c477ba15504384101bb1e57f5

Download Submit
memory/1000-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1000-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3060-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads