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
4412	rundll32.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	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	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

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\txtfile\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¢¬ %1"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	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¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697526957"	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	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697526957"	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.exe %1"	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4412	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
4412	rundll32.exe
4412	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 4412	4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	83
PID 4000 wrote to memory of 4412	4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	83
PID 4000 wrote to memory of 4412	4000	7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe	83

C:\Users\Admin\AppData\Local\Temp\7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.exe
"C:\Users\Admin\AppData\Local\Temp\7c0f79dbc2b3afd454ce8da9d349a294e31cf1056ccfe716ab304be474a74ed5.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:4000
- 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:4412

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
76KB

MD5
e1540243c48d1589a3a89adacdc4cc50

SHA1
ec0bfaad7e98ac23eec4776edab3c4d839a0655d

SHA256
cdd1bc782010f80aae7d590eaadc0d65445c04b0f75205451cb8fa5ca5fac5e3

SHA512
9cf81fc819d38af68f123e4f5bb03966204eaf5553c90da32ac5d476dacbeccf0e76c0a57de007abab2356c3d023534fe4ee72d5cb703463825cc44e0a063b56

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

Filesize
73KB

MD5
6dfb6130f616d1583f60e04ad2c2610e

SHA1
d0643693131f00576f44cfa284e84d67879039f6

SHA256
f5ea0e8a41d31f96d69d14f250bd80a7d2c657b0e8bfba84731df1e2106a5237

SHA512
9146ef119828f0c9c819ed6b3f8ade0e604944a6541dbdd878da0fbb2b8b44c83d204ecc730123a4922fd30ec577856c6e0ee8f60145e643e4c25e97dbec3976

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

Filesize
73KB

MD5
6dfb6130f616d1583f60e04ad2c2610e

SHA1
d0643693131f00576f44cfa284e84d67879039f6

SHA256
f5ea0e8a41d31f96d69d14f250bd80a7d2c657b0e8bfba84731df1e2106a5237

SHA512
9146ef119828f0c9c819ed6b3f8ade0e604944a6541dbdd878da0fbb2b8b44c83d204ecc730123a4922fd30ec577856c6e0ee8f60145e643e4c25e97dbec3976

Download Submit
memory/4000-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4000-13-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/4412-14-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads