12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2

General

Target

12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Size

76KB
MD5

aa6195e324399a8befe4a1112e6950da
SHA1

85bdc430d3105b6ebd3dde567c2e876794f3f515
SHA256

12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2
SHA512

8af010656e323c6080f5bbef7d5d807503205357144641c7eac2f8adfd055d6add2aa07c56089c82db2482d31262995896c72de539f23dd7ebd044495ebdd5e9
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1168	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.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	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.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	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
File created	C:\Windows\SysWOW64\¢«.exe	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
File created	C:\Windows\system\rundll32.exe	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe

Modifies registry class 15 IoCs

description	ioc	Process
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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697150722"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697150722"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	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\txtfile\shell\open\command\ = "notepad.exe %1"	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1168	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
1168	rundll32.exe
1168	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28
PID 1704 wrote to memory of 1168	1704	12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe	28

C:\Users\Admin\AppData\Local\Temp\12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.exe
"C:\Users\Admin\AppData\Local\Temp\12dca89ddff6a9069880cb2fae7d6fe54a43e24e35e280cf4c59fbf06af5bbc2.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:1704
- 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:1168

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
79KB

MD5
8b0caf09f9d15ecf6702711de55e6177

SHA1
8562214d141e56b6dc0d689cd6c371f740d5f713

SHA256
10808cfa5ba672ebb64dd8441acb58a9a3b37d3e2d6e9738e90e42acd078899a

SHA512
81299a0497cf7375116bf05194ed588146e05572c7d935d352d747aa7f3311799c27a5b06fc623206cfc2a0b83d2fe989f5b8e750c7b20c4f362d985c8396bfa

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

Filesize
76KB

MD5
0e45e1602d62b3b4b8b8f46475ea0ed5

SHA1
4c4f479853609d17fce90170653d026793d69d1d

SHA256
0bfc5080f42eb8cc6f666a880388b1f48b6086f58abb645b2c13e0949333c1b6

SHA512
5ad53cfc737cd9b21f5935e060953469a35e325bf62cf95e196ce31f1ce340c5d3834bf5a8ec57eb619c0f15819fbdf0a68fc369d8b6df2dfb4ea5672edd182e

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

Filesize
76KB

MD5
0e45e1602d62b3b4b8b8f46475ea0ed5

SHA1
4c4f479853609d17fce90170653d026793d69d1d

SHA256
0bfc5080f42eb8cc6f666a880388b1f48b6086f58abb645b2c13e0949333c1b6

SHA512
5ad53cfc737cd9b21f5935e060953469a35e325bf62cf95e196ce31f1ce340c5d3834bf5a8ec57eb619c0f15819fbdf0a68fc369d8b6df2dfb4ea5672edd182e

Download Submit
\Windows\system\rundll32.exe

Filesize
76KB

MD5
0e45e1602d62b3b4b8b8f46475ea0ed5

SHA1
4c4f479853609d17fce90170653d026793d69d1d

SHA256
0bfc5080f42eb8cc6f666a880388b1f48b6086f58abb645b2c13e0949333c1b6

SHA512
5ad53cfc737cd9b21f5935e060953469a35e325bf62cf95e196ce31f1ce340c5d3834bf5a8ec57eb619c0f15819fbdf0a68fc369d8b6df2dfb4ea5672edd182e

Download Submit
\Windows\system\rundll32.exe

Filesize
76KB

MD5
0e45e1602d62b3b4b8b8f46475ea0ed5

SHA1
4c4f479853609d17fce90170653d026793d69d1d

SHA256
0bfc5080f42eb8cc6f666a880388b1f48b6086f58abb645b2c13e0949333c1b6

SHA512
5ad53cfc737cd9b21f5935e060953469a35e325bf62cf95e196ce31f1ce340c5d3834bf5a8ec57eb619c0f15819fbdf0a68fc369d8b6df2dfb4ea5672edd182e

Download Submit
memory/1168-22-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1704-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/1704-18-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/1704-12-0x0000000000340000-0x0000000000356000-memory.dmp

Filesize
88KB

Download
memory/1704-21-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1704-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads