1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308

General

Target

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Size

75KB
MD5

265cbf90e3c4e99f553bdf0ad503abbd
SHA1

ea6e9d47f57f5fc29f2caf9b8d0d517a52d634b5
SHA256

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308
SHA512

14f6243c09b38ae22ed7c7339ea0e841314603bed647b959e3639b564d9496a5ac7994e793908a18bda1b01cb9bbf3b8b96a222ef0c447057bcc2d0c460c919b
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOzw2q:GhfxHNIreQm+Hi4w2q

Score

7^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

rundll32.exe

pid process

2248 rundll32.exe

pid	process
2248	rundll32.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.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

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
File created	C:\Windows\SysWOW64\¢«.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

Drops file in Windows directory 2 IoCs

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

description	ioc	process
File opened for modification	C:\Windows\system\rundll32.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
File created	C:\Windows\system\rundll32.exe	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

Modifies registry class 15 IoCs

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exerundll32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainVer = "506"	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.exe %1"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1716319275"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1716319275"	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.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

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

pid	process
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

rundll32.exe

pid process

2248 rundll32.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exerundll32.exe

pid process

4916 1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
2248 rundll32.exe
2248 rundll32.exe

pid	process
2248	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe

description	pid	process	target process
PID 4916 wrote to memory of 2248	4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe	rundll32.exe
PID 4916 wrote to memory of 2248	4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe	rundll32.exe
PID 4916 wrote to memory of 2248	4916	1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe
"C:\Users\Admin\AppData\Local\Temp\1cd8e2705f493455224e479215cc417a668553ae31228bf08b714088a6f00308.exe"
1⤵
- 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:4916

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:2248

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
81KB

MD5
442b8a9ddf24e08178547e2fde9979bc

SHA1
62b4e17974289efc194e8b07b0bbc44515021e7a

SHA256
cf50b7dfb2970db973bf8e03fb71f847032a7676b1c8d4c5e7b46ae0370375f9

SHA512
ed82d98093e6d8a551b0f414ac34c51b30bd47a22bf3cc856199e3845433e50797f96b3d787a491b5ae3c55a6fa4a00bf8647a34a35823f52524cc51fd2afc30

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

Filesize
79KB

MD5
809ef8ba862ed2202cd46beed48a024d

SHA1
d80edf127cc0ece658db95abb6eda4426019a054

SHA256
a3dfc3d043e7b653362696276ee3cb522bffefdc9dad938e7f708892deeff997

SHA512
f139aa173aa2dfa2b0298979b2bedb5f43efc03644eef0cb2e34a0e1e09193b09542f8159bdd66588e6ae10e6dbe95b6bc4133d34ed2de0444ff5e61f3b2b2ba

Download Submit
memory/4916-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4916-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads