5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52

General

Target

5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Size

75KB
MD5

d786ccfa46c600bad10d33820be873a5
SHA1

60fe71133bfdac76c1e4880d84bdcccc13221952
SHA256

5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52
SHA512

4144332c7eadf9011397c3ee0a031411b46311473a1c0d60b22ed2f03a30279d6620a77faa28da5f776bc84f699712b0384ce459d8797310d1f7e542518ad8a8
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOpa:RshfSWHHNvoLqNwDDGw02eQmh0HjWOpa

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2920	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.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	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.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	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
File created	C:\Windows\SysWOW64\¢«.exe	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
File created	C:\Windows\system\rundll32.exe	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697602389"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	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\" %*"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.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	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697602389"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
2920	rundll32.exe
2920	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29
PID 2768 wrote to memory of 2920	2768	5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe	29

C:\Users\Admin\AppData\Local\Temp\5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.exe
"C:\Users\Admin\AppData\Local\Temp\5af1318f7ee0b2486abc182278187f47d629db5c3d50fbcae52cf8bd95cbdb52.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:2768
- 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:2920

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
76KB

MD5
82c1d3ab5847a03be96916eb131ccb34

SHA1
b500bb1cb1d9583447c0344d7b0d202b0ec24a1d

SHA256
faa2308b0c9d7d8b383a180720db3e9f8f8fdfed99a55090843568534d5f4936

SHA512
de1666f3f2c1e6d7db4a2ad768b1678fbf2c1eab86c0c06018172788fe4d99cc9f40a687f19211b420e665eda066666e71894ac8918a9795886aa6faad389e47

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

Filesize
82KB

MD5
7ae42f4e50576b4740dcfeb8f275bfaa

SHA1
875ef55712e9b9ede95e632c563a5366cbcf42e1

SHA256
0844562e33b6d3cbae852e0dab1da37da5361985ee272f89a91c3cf8fb08fa6a

SHA512
abb286af0a56868f1397554fb35e37eb2c20bea2a304162322157ce44b22e47e3e1b9e52b29f94991db04d5e00e84fba1378b06762af01f463a5eb1fe422fc81

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

Filesize
82KB

MD5
7ae42f4e50576b4740dcfeb8f275bfaa

SHA1
875ef55712e9b9ede95e632c563a5366cbcf42e1

SHA256
0844562e33b6d3cbae852e0dab1da37da5361985ee272f89a91c3cf8fb08fa6a

SHA512
abb286af0a56868f1397554fb35e37eb2c20bea2a304162322157ce44b22e47e3e1b9e52b29f94991db04d5e00e84fba1378b06762af01f463a5eb1fe422fc81

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
7ae42f4e50576b4740dcfeb8f275bfaa

SHA1
875ef55712e9b9ede95e632c563a5366cbcf42e1

SHA256
0844562e33b6d3cbae852e0dab1da37da5361985ee272f89a91c3cf8fb08fa6a

SHA512
abb286af0a56868f1397554fb35e37eb2c20bea2a304162322157ce44b22e47e3e1b9e52b29f94991db04d5e00e84fba1378b06762af01f463a5eb1fe422fc81

Download Submit
\Windows\system\rundll32.exe

Filesize
82KB

MD5
7ae42f4e50576b4740dcfeb8f275bfaa

SHA1
875ef55712e9b9ede95e632c563a5366cbcf42e1

SHA256
0844562e33b6d3cbae852e0dab1da37da5361985ee272f89a91c3cf8fb08fa6a

SHA512
abb286af0a56868f1397554fb35e37eb2c20bea2a304162322157ce44b22e47e3e1b9e52b29f94991db04d5e00e84fba1378b06762af01f463a5eb1fe422fc81

Download Submit
memory/2768-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2768-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2768-16-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2768-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2768-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2920-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads