accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80

General

Target

accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Size

79KB
MD5

1c735fc28f2cfcca56d4767c443493d9
SHA1

0fe1407d0e0937b8fc4154c6ec87e76e92c86c81
SHA256

accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80
SHA512

4d3c7b6d8015afa9a59607281bfb58b65a48db61a29ded74e6330fa8ac3db0dc42e1826d31275f79c7d348019fdd56376fc3803a707076de52c2619a3e450962
SSDEEP

1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOptkz:GhfxHNIreQm+Hi2tkz

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Modifies system executable filetype association 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1546.001

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.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\exefile\shell\open\command	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\¢«.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File created	C:\Windows\SysWOW64\¢«.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
File created	C:\Windows\system\rundll32.exe	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.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\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1717396361"	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
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1717396361"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2548	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
2548	rundll32.exe
2548	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28
PID 2976 wrote to memory of 2548	2976	accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe	28

C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
"C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.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:2976
- 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:2548

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
84KB

MD5
1d14062d10987aec2d93c5794dd0e82a

SHA1
2c26e767cbba7dad65198db344047b78eff88453

SHA256
c4345e82219b919acb0b735cc971cbaaed27dc05da5d8739fd35d865f6d74078

SHA512
5866562d01550f7cb830038fc1663e50f8234ffd3e6bcea67a5264e9c47782a5e3af0f87da0557b3b81a001fb18c3d768d04fa5e72fe3cb5853427661ce566e4

Download Submit
\Windows\system\rundll32.exe

Filesize
83KB

MD5
5e3cc87fd60c1710c1a10f1c6108a57c

SHA1
f5fe5b6efdd17257cd9d6ed97d8f1faee0050ba5

SHA256
e5dea0b18db688d08915317611180a0bab8efaf3cf6ef5f55ecdb0eb22b76aff

SHA512
6c85c98c13c00a665f6933b0c5a9bf434d5c37bcc7ec92b28681d7fcd1893a3747b4b529eeed9eb33f18d6dd6c3a273a223ab3c2a6e58d6a5889cece32942942

Download Submit
memory/2548-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-17-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2976-18-0x00000000002E0000-0x00000000002F6000-memory.dmp

Filesize
88KB

Download
memory/2976-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2976-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads