76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72

General

Target

76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Size

75KB
MD5

c407288dd5a3c3b0e51e0f69d37a5381
SHA1

83fee236610ddb91401e10fa373d097afe953322
SHA256

76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72
SHA512

bc491747903438841ea4ccfe95d5a14c844bab3f31601f896d918bfb0bca4ac2f8acfb1db9305ec4e01e2f1fe1c0a2045f2a7cae8c2679e1d2fd31731e75d6f0
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOlO:RshfSWHHNvoLqNwDDGw02eQmh0HjWOl

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2216	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.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	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.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	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
File created	C:\Windows\SysWOW64\¢«.exe	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system\rundll32.exe	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
File opened for modification	C:\Windows\system\rundll32.exe	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe

Modifies registry class 15 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716539840"	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\" %*"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716539840"	rundll32.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2216	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
2216	rundll32.exe
2216	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28
PID 2796 wrote to memory of 2216	2796	76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe	28

C:\Users\Admin\AppData\Local\Temp\76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.exe
"C:\Users\Admin\AppData\Local\Temp\76eeea61b22e8a97f7a210ecdb5a1b2fc8df98f48ffec9ffd5e6167e83f98e72.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:2796
- 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:2216

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
75KB

MD5
111b6cf229507e784dea36bfcb767cac

SHA1
1d4e64141c8dd90dcf1cce9a4cbb731a34133573

SHA256
d9d10c99f00c081d45fe3a00ec778c15b59a5ed253eaf2ce819be7c093f167cd

SHA512
be753b3305e9879586d35dac5a68d5b88061e401967628b73116ffbd94f26d878e4053db9ef944d38be074f4a3b870ded946968c960886c7e252484969a79fe8

Download Submit
\Windows\system\rundll32.exe

Filesize
81KB

MD5
93eafc258759805c403c3fc9c9358f91

SHA1
01d602f9814feabd9c01dd9767fd8729edebc0e0

SHA256
ae2fd44ad5d42be71bfb2011735c842d7dfe452f4d7f78fa557087f4693b9088

SHA512
171b135c913ef2b3541964f3070f0c9899c17cb608cd6bec5ca581757fd4155cc346c5f32fea8a2ca135fba7ecce60340b0654366fb339f0fb797a2ef5e6ce8d

Download Submit
memory/2216-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2796-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2796-12-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2796-19-0x0000000000260000-0x0000000000276000-memory.dmp

Filesize
88KB

Download
memory/2796-22-0x0000000000260000-0x0000000000262000-memory.dmp

Filesize
8KB

Download
memory/2796-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads