2e7fc014e8fb728a5a3896b9c871a71b03ece805b6ca142e53cefb67a8cb16a6

General

Target

072656ae236fdee2f762f44bbc421b11.exe
Size

17KB
MD5

072656ae236fdee2f762f44bbc421b11
SHA1

a920b2930f4bf10c80a21952b9452bf116eb2b81
SHA256

2e7fc014e8fb728a5a3896b9c871a71b03ece805b6ca142e53cefb67a8cb16a6
SHA512

a4de4dab6db01125611470ab61e742a7a622e3bcbb276fbb281115c14d87d1186631fd3477c1ecffe707ffcfa080ba0f00baa78015613d208953b6d46df7da4c
SSDEEP

384:2v7Iqy/7iKtl3Yw+nSBD13j8HVwxrseUAf1PEaKe7CkAj:iIrRlPkSJZpYg1PSVjj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2932	SonudMon.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\SonudMon = "C:\\Windows\\SonudMon.exe"	072656ae236fdee2f762f44bbc421b11.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2444714103-3190537498-3629098939-1000\Software\Microsoft\Windows\CurrentVersion\Run\SonudMon = "C:\\Windows\\SonudMon.exe"	SonudMon.exe

Drops file in System32 directory 4 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\sevrices.exe	072656ae236fdee2f762f44bbc421b11.exe
File created	C:\Windows\SysWOW64\sevrices.exe	072656ae236fdee2f762f44bbc421b11.exe
File opened for modification	C:\Windows\SysWOW64\sevrices.exe	SonudMon.exe
File created	C:\Windows\SysWOW64\sevrices.exe	SonudMon.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SonudMon.exe	072656ae236fdee2f762f44bbc421b11.exe
File opened for modification	C:\Windows\SonudMon.exe	072656ae236fdee2f762f44bbc421b11.exe
File created	C:\Windows\SonudMon.exe	SonudMon.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	SonudMon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\sevrices.exe \"%1\""	SonudMon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command	072656ae236fdee2f762f44bbc421b11.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\txtfile\shell\open\command\ = "C:\\Windows\\SysWow64\\sevrices.exe \"%1\""	072656ae236fdee2f762f44bbc421b11.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2932	3016	072656ae236fdee2f762f44bbc421b11.exe	28
PID 3016 wrote to memory of 2932	3016	072656ae236fdee2f762f44bbc421b11.exe	28
PID 3016 wrote to memory of 2932	3016	072656ae236fdee2f762f44bbc421b11.exe	28
PID 3016 wrote to memory of 2932	3016	072656ae236fdee2f762f44bbc421b11.exe	28

C:\Users\Admin\AppData\Local\Temp\072656ae236fdee2f762f44bbc421b11.exe
"C:\Users\Admin\AppData\Local\Temp\072656ae236fdee2f762f44bbc421b11.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SonudMon.exe
  C:\Windows\SonudMon.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in System32 directory
  - Drops file in Windows directory
  - Modifies registry class
  PID:2932

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\SonudMon.exe

Filesize
17KB

MD5
072656ae236fdee2f762f44bbc421b11

SHA1
a920b2930f4bf10c80a21952b9452bf116eb2b81

SHA256
2e7fc014e8fb728a5a3896b9c871a71b03ece805b6ca142e53cefb67a8cb16a6

SHA512
a4de4dab6db01125611470ab61e742a7a622e3bcbb276fbb281115c14d87d1186631fd3477c1ecffe707ffcfa080ba0f00baa78015613d208953b6d46df7da4c

Download Submit
memory/2932-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-19-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-11-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-14-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-23-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-20-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2932-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3016-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads