98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd

General

Target

98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Size

77KB
MD5

0cf58602659903e8ee362ff25867ded8
SHA1

400d1b5a2c4bec734fcdd2ba4739b2e7588fa405
SHA256

98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd
SHA512

0081de69c7a92ec95b2ebbc2eb53ea7994654465fe74822a8d5a5f9d59000f6363a39f8e98294cc9e003b36c76c83753201468de73bec75a2ce93b9338e337de
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOkVc7kG:GhfxHNIreQm+HivVc7kG

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2968	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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 opened for modification	C:\Windows\SysWOW64\¢«.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
File created	C:\Windows\SysWOW64\¢«.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
File created	C:\Windows\system\rundll32.exe	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1693269931"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1693269931"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2968	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
2968	rundll32.exe
2968	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28
PID 3020 wrote to memory of 2968	3020	98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe	28

C:\Users\Admin\AppData\Local\Temp\98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.exe
"C:\Users\Admin\AppData\Local\Temp\98a25126c61c4ff98680f65df8e9bcc270407c8a2cd2774006f8ada6840b22cd.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:3020
- 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:2968

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
86KB

MD5
2a5d52ccfa8c9b1c647d292e2c41b366

SHA1
4b6ae79566ef85ebf033fd8673d302581e8677c4

SHA256
87c555320c45b17420ad596bc8d473f23d61e22124443eef30aa8e5bfa1fc786

SHA512
b7e2c9352a0bf88ec896196a1910425996b341f6230a42d5ab1f6cc2c94b42aa0b02cf517beb1a33dd9fc1e94d47527d7d210c79659550f1ebf7b97f12171a0c

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

Filesize
79KB

MD5
0c14d898a8e1e2a1dad8071a9b7210dc

SHA1
aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67

SHA256
b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7

SHA512
2c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28

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

Filesize
79KB

MD5
0c14d898a8e1e2a1dad8071a9b7210dc

SHA1
aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67

SHA256
b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7

SHA512
2c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
0c14d898a8e1e2a1dad8071a9b7210dc

SHA1
aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67

SHA256
b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7

SHA512
2c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28

Download Submit
\Windows\system\rundll32.exe

Filesize
79KB

MD5
0c14d898a8e1e2a1dad8071a9b7210dc

SHA1
aa7ac0ffe9ff4f1e1077c2b9ae27a0c2caa78f67

SHA256
b6fa2fa541b77492a36ef4e88a6153374226055b14f1e042bb5a02d271a009b7

SHA512
2c0d30c4e5bcedca3c34d4564dca5913cf4311c854cb19209dae1bb12af8fd3851739267bcc06bf0731e2919b7625b8e17560afff1faa4a47e16f5007dce0c28

Download Submit
memory/2968-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2968-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3020-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3020-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/3020-17-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/3020-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/3020-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads