0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9

General

Target

0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Size

78KB
MD5

5599d7868bd1287150ab8a1d6bccc7bf
SHA1

74b69832a55f056d3bb2e4da62f53de362ec3dfd
SHA256

0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9
SHA512

063dcbf572e47256e2f31e1269f8e7742b32410cbbd37ebab65e0ca2980026e936d9859208cd2b55febe5cf1b6c56d233c35f429b08aa7ca567557fb7cf46573
SSDEEP

768:agO5xRYi+SfSWHHNvvG5bnl/NqNwsKVDstHxYD0p1aXKynF0vQmYZS0HdJnfWO2P:RshfSWHHNvoLqNwDDGw02eQmh0HjWO2P

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1868	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.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	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.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	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
File created	C:\Windows\SysWOW64\¢«.exe	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
File opened for modification	C:\Windows\SysWOW64\notepad¢¬.exe	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
File created	C:\Windows\SysWOW64\notepad¢¬.exe	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system\rundll32.exe	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
File created	C:\Windows\system\rundll32.exe	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe

Modifies registry class 15 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	rundll32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainUp = "1693191182"	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¢¬ %1"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\exefile\shell\open\command	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad.exe %1"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "¢« \"%1\" %*"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Key created	\REGISTRY\MACHINE\Software\Classes\MSipv	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\MSipv	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "\"%1\" %*"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\MSipv\MainSetup = "1693191182"	rundll32.exe
Key created	\REGISTRY\MACHINE\Software\Classes\txtfile\shell\open\command	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "notepad¢¬ %1"	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1868	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
1868	rundll32.exe
1868	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28
PID 2084 wrote to memory of 1868	2084	0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe	28

C:\Users\Admin\AppData\Local\Temp\0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.exe
"C:\Users\Admin\AppData\Local\Temp\0b07fb523fc6eb277b443968b841aa8b17623c1fa1765399cac978afbad40bd9.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:2084
- 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:1868

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
874204d1db83b49c86ce621adc73b9f9

SHA1
6e6bfe27cf29c7e5b8f4da83806b8595ddbea74a

SHA256
e0ccc22569f75f3a0bf28a0e7da0d5516e4bd630c3612d8363f6153edc1bafe5

SHA512
dd178646c97cc52ab181202d8a700db4845ae230facc7bab04f7e65be47fbbc6c70406320c2a5e0967f2128fa1c2b86bef3f615c8ac11346f1f592e2d489405d

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

Filesize
73KB

MD5
abf417452508dfeddfe65848303ffb2d

SHA1
56f4a2bc928d230e9619ea511b2aacb34234c2dd

SHA256
93e5b56d2d3a5d6852957289023fa654faaa4734c7254e8d4f9d9cdbfeda0aed

SHA512
32f9df2a57d29d5ec57974ea0d6fc9d8c1eca92d6dfcba475731c03a8e3f7ffd72ac899be1b0cdce1c69e843368942ea406c614a2e40cc8acf15dc60554cfdb3

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

Filesize
73KB

MD5
abf417452508dfeddfe65848303ffb2d

SHA1
56f4a2bc928d230e9619ea511b2aacb34234c2dd

SHA256
93e5b56d2d3a5d6852957289023fa654faaa4734c7254e8d4f9d9cdbfeda0aed

SHA512
32f9df2a57d29d5ec57974ea0d6fc9d8c1eca92d6dfcba475731c03a8e3f7ffd72ac899be1b0cdce1c69e843368942ea406c614a2e40cc8acf15dc60554cfdb3

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
abf417452508dfeddfe65848303ffb2d

SHA1
56f4a2bc928d230e9619ea511b2aacb34234c2dd

SHA256
93e5b56d2d3a5d6852957289023fa654faaa4734c7254e8d4f9d9cdbfeda0aed

SHA512
32f9df2a57d29d5ec57974ea0d6fc9d8c1eca92d6dfcba475731c03a8e3f7ffd72ac899be1b0cdce1c69e843368942ea406c614a2e40cc8acf15dc60554cfdb3

Download Submit
\Windows\system\rundll32.exe

Filesize
73KB

MD5
abf417452508dfeddfe65848303ffb2d

SHA1
56f4a2bc928d230e9619ea511b2aacb34234c2dd

SHA256
93e5b56d2d3a5d6852957289023fa654faaa4734c7254e8d4f9d9cdbfeda0aed

SHA512
32f9df2a57d29d5ec57974ea0d6fc9d8c1eca92d6dfcba475731c03a8e3f7ffd72ac899be1b0cdce1c69e843368942ea406c614a2e40cc8acf15dc60554cfdb3

Download Submit
memory/1868-21-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2084-0-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2084-12-0x00000000003C0000-0x00000000003D6000-memory.dmp

Filesize
88KB

Download
memory/2084-19-0x0000000000400000-0x0000000000415A00-memory.dmp

Filesize
86KB

Download
memory/2084-20-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads