7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5

General

Target

7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Size

74KB
MD5

d9a89b5c68b0f7cf4ff7cd64b8601a6d
SHA1

2a101130d9e9e066c6c465699b13255ea38340f8
SHA256

7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5
SHA512

39a8a792a9974d1be220d6325cd53c62a3b094b063b07aa9eeb32155a62128e225ecf5c45bdca9909239484e0106601a82d0c71e816af92c126db0cb53e2ec96
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWOu3:RshfSWHHNvoLqNwDDGw02eQmh0HjWOu3

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1708	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.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	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.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	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
File created	C:\Windows\SysWOW64\¢«.exe	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
File created	C:\Windows\system\rundll32.exe	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697526954"	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\MSipv	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697526954"	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¢¬ %1"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1708	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
1708	rundll32.exe
1708	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27
PID 2232 wrote to memory of 1708	2232	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	27

C:\Users\Admin\AppData\Local\Temp\7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
"C:\Users\Admin\AppData\Local\Temp\7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.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:2232
- 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:1708

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
b591c127aaecadd304b29b8df4d9364c

SHA1
f3e2bda48d74a573006a2c1fe782fe71ed6ada09

SHA256
240d2da3fdf9e41e01c86933646d12cc6c9175a8066ef48d4da75bdc5948a3b6

SHA512
14ee9b957068f0b113baa6b2d29df42d001f54bcfd265054a3cf302a8cd34e283627f8e50ac72f658d5fe4a8b6f56a2b2b51abb1c5c2a7e4ebff0ba1f415ea7c

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

Filesize
74KB

MD5
5e989f2bb9abf8f83f359785c8f0cd12

SHA1
2c7004bd23c5b7ee18f1d81a7d881b231b44527b

SHA256
fcb26b481fd32665d4f4f6c56affc8654790cff9f15d33dc1e536f6c422f765c

SHA512
ee9bec8f2f3177eb1151d6d2cc29e65bd1b01c7b7815d60057c1bc989e8503473248ce9d56a3a99ec00639564ffd47dbfef25dfc5ba2377260bd294d01b4a363

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

Filesize
74KB

MD5
5e989f2bb9abf8f83f359785c8f0cd12

SHA1
2c7004bd23c5b7ee18f1d81a7d881b231b44527b

SHA256
fcb26b481fd32665d4f4f6c56affc8654790cff9f15d33dc1e536f6c422f765c

SHA512
ee9bec8f2f3177eb1151d6d2cc29e65bd1b01c7b7815d60057c1bc989e8503473248ce9d56a3a99ec00639564ffd47dbfef25dfc5ba2377260bd294d01b4a363

Download Submit
\Windows\system\rundll32.exe

Filesize
74KB

MD5
5e989f2bb9abf8f83f359785c8f0cd12

SHA1
2c7004bd23c5b7ee18f1d81a7d881b231b44527b

SHA256
fcb26b481fd32665d4f4f6c56affc8654790cff9f15d33dc1e536f6c422f765c

SHA512
ee9bec8f2f3177eb1151d6d2cc29e65bd1b01c7b7815d60057c1bc989e8503473248ce9d56a3a99ec00639564ffd47dbfef25dfc5ba2377260bd294d01b4a363

Download Submit
\Windows\system\rundll32.exe

Filesize
74KB

MD5
5e989f2bb9abf8f83f359785c8f0cd12

SHA1
2c7004bd23c5b7ee18f1d81a7d881b231b44527b

SHA256
fcb26b481fd32665d4f4f6c56affc8654790cff9f15d33dc1e536f6c422f765c

SHA512
ee9bec8f2f3177eb1151d6d2cc29e65bd1b01c7b7815d60057c1bc989e8503473248ce9d56a3a99ec00639564ffd47dbfef25dfc5ba2377260bd294d01b4a363

Download Submit
memory/1708-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2232-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2232-12-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download
memory/2232-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2232-20-0x0000000000240000-0x0000000000256000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads