ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c

General

Target

ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Size

81KB
MD5

2f4c6b37ef184c88422883a27f49cbc7
SHA1

badc98925d9387e0d9e1fde03886e81f0ad82ef7
SHA256

ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c
SHA512

af9923a46e12670b252618c620179f42b23f40df4c65ab502a70af60f84b3346bbac405f19c8338eb5f9e701594cffb0a466a4aeac26af54c2f95bc1c0796159
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOcUgBK8w:GhfxHNIreQm+HiZUgBK8w

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2908	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
File created	C:\Windows\SysWOW64\¢«.exe	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
File created	C:\Windows\system\rundll32.exe	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717482579"	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¢¬ %1"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717482579"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2908	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
2908	rundll32.exe
2908	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28
PID 2196 wrote to memory of 2908	2196	ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe	28

C:\Users\Admin\AppData\Local\Temp\ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.exe
"C:\Users\Admin\AppData\Local\Temp\ae3139e55c1451b7d981532909a4887abcc85dde6f7cb2acd6eb9f1dd4dfb79c.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:2196
- 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:2908

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
78KB

MD5
76f5ad93c9afa71d81094f98a8efe875

SHA1
2b8696d72875717792fa7eb375b68e5e34db9e72

SHA256
42a37bfe162aaedf4a7edf3795d1f90c3450c12aa751fb18ebcd75b4d1a0a2a6

SHA512
9f565b3e5b69e8a4c99a531c56b9af6db839c5cc00557466998faa7a8aa5864c9cca42bb8f8d478dd0b5c54dd15b8241534370a3d372e72de77a2aa35f12f069

Download Submit
\Windows\system\rundll32.exe

Filesize
83KB

MD5
7f01dda5d6f0cc056b9a6b7fc615fac8

SHA1
b73fbb5805c51f8f4d893b026b84e261c83f45ef

SHA256
bb0cad63d6011359d96203e9a3966a0f7984cc12c9230097daf393280b0bf695

SHA512
e96e8074d6777cd8aea1ef347e1dc36a7d33cfa8c1e9457232426c3f90f711800b97d0da67d63ddc5793c5bb5a7234207f0f76fdc81bf0cf347e5586c7e2e1d8

Download Submit
memory/2196-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2196-18-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2196-17-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2196-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2196-21-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads