92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390

General

Target

92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Size

73KB
MD5

27df39bb2725f643cd6e87d3ae98370e
SHA1

ee993276bec7f61090f0cb330dd8895478aca77c
SHA256

92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390
SHA512

2a7542a2ec552107ba9e44a1fc90005108b58776b79ca7a58f6957d9eedac0ef8bf7c6c6f46a3e97b5c3415bcb8869531f667fbedd192b6782aee49e617c4f2b
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO:RshfSWHHNvoLqNwDDGw02eQmh0HjWO

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2660	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.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\" %*"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.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	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\notepad¢¬.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
File opened for modification	C:\Windows\SysWOW64\¢«.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
File created	C:\Windows\SysWOW64\¢«.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
File created	C:\Windows\system\rundll32.exe	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1697163362"	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1697163362"	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	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.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\MSipv	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.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

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
2660	rundll32.exe
2660	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28
PID 2728 wrote to memory of 2660	2728	92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe	28

C:\Users\Admin\AppData\Local\Temp\92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.exe
"C:\Users\Admin\AppData\Local\Temp\92d59eac57f454943d6270e7a5c9f6623d86f6dd32362c49b2770c5ca4978390.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:2728
- C:\Windows\system\rundll32.exe
  C:\Windows\system\rundll32.exe
  2⤵
  - Executes dropped EXE
  - Modifies system executable filetype association
  - Modifies registry class
  - Suspicious use of SetWindowsHookEx
  PID:2660

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
83KB

MD5
f73dbd6e707e7bd750abcd5b083686e5

SHA1
f8818450bc34ab0b809256ed2310139a010f3b12

SHA256
b21e1fa787724c2aef4c9cac10e42df55e95f4eac9a1a9a0f17d119d3d8deec8

SHA512
501d8b5a9d87737426119b0c811bac6fb22ac147470bf59b45bbeda0a5342e05cef021d2b8a9110b677a33ccd52fe009203cda179e25691cf0364133e8ef585f

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

Filesize
81KB

MD5
9b9e667c3a61ab0f2063f82a11a58b66

SHA1
7e80d802fb8d051d6f266382b6440e5181352117

SHA256
831719644e985ba3f934fccd91a9bbde32c076c4dd0e23b37e36c64696a09b0e

SHA512
fc2ef8e1df756cb27ee0e3fd9d007326b20e35885aeda7a38f821b461aad19de32ca9d0f55c31b1bb38ac1e4b41348999896cdc966d948a0164d600dd92e9491

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

Filesize
81KB

MD5
9b9e667c3a61ab0f2063f82a11a58b66

SHA1
7e80d802fb8d051d6f266382b6440e5181352117

SHA256
831719644e985ba3f934fccd91a9bbde32c076c4dd0e23b37e36c64696a09b0e

SHA512
fc2ef8e1df756cb27ee0e3fd9d007326b20e35885aeda7a38f821b461aad19de32ca9d0f55c31b1bb38ac1e4b41348999896cdc966d948a0164d600dd92e9491

Download Submit
\Windows\system\rundll32.exe

Filesize
81KB

MD5
9b9e667c3a61ab0f2063f82a11a58b66

SHA1
7e80d802fb8d051d6f266382b6440e5181352117

SHA256
831719644e985ba3f934fccd91a9bbde32c076c4dd0e23b37e36c64696a09b0e

SHA512
fc2ef8e1df756cb27ee0e3fd9d007326b20e35885aeda7a38f821b461aad19de32ca9d0f55c31b1bb38ac1e4b41348999896cdc966d948a0164d600dd92e9491

Download Submit
\Windows\system\rundll32.exe

Filesize
81KB

MD5
9b9e667c3a61ab0f2063f82a11a58b66

SHA1
7e80d802fb8d051d6f266382b6440e5181352117

SHA256
831719644e985ba3f934fccd91a9bbde32c076c4dd0e23b37e36c64696a09b0e

SHA512
fc2ef8e1df756cb27ee0e3fd9d007326b20e35885aeda7a38f821b461aad19de32ca9d0f55c31b1bb38ac1e4b41348999896cdc966d948a0164d600dd92e9491

Download Submit
memory/2660-20-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2660-23-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2728-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2728-12-0x0000000000290000-0x00000000002A6000-memory.dmp

Filesize
88KB

Download
memory/2728-17-0x0000000000290000-0x00000000002A6000-memory.dmp

Filesize
88KB

Download
memory/2728-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2728-22-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads