0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 18:40

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General

Target

0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe
Size

138KB
MD5

36034fd87028dbaa1f02dad2c83c4d4e
SHA1

0d5ad8f49bb01be169f101a121e1230e1cca2a5c
SHA256

0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1
SHA512

66a998209f0386f6141cc0ee49a431cab75f2f16ec5f812778ee3c3b1affc70e66fac4bbf7972c33998a7414af4d60961c3c63f84cbb0ebd2d44d0f9b33cfad8
SSDEEP

1536:rC2/fYuPfbESFYXRWhpKRycRd57JkIqFHhzm4hWru/BzihhMN45MF5FvHP132xPo:r7YubEwYXRWhpAJUHhzm4hUukS6KmecK

Score

8^/10

evasion

Malware Config

Signatures

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Executes dropped EXE 1 IoCs

pid	Process
2544	smss.exe

Loads dropped DLL 2 IoCs

pid	Process
1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe
1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	smss.exe
File opened for modification	C:\Windows\SysWOW64\Service.exe	smss.exe

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2308	sc.exe
2584	sc.exe
2792	sc.exe
1872	sc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe
2544	smss.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 1872	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	28
PID 1984 wrote to memory of 1872	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	28
PID 1984 wrote to memory of 1872	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	28
PID 1984 wrote to memory of 1872	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	28
PID 1984 wrote to memory of 2308	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	30
PID 1984 wrote to memory of 2308	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	30
PID 1984 wrote to memory of 2308	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	30
PID 1984 wrote to memory of 2308	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	30
PID 1984 wrote to memory of 2544	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	32
PID 1984 wrote to memory of 2544	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	32
PID 1984 wrote to memory of 2544	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	32
PID 1984 wrote to memory of 2544	1984	0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe	32
PID 2544 wrote to memory of 2584	2544	smss.exe	33
PID 2544 wrote to memory of 2584	2544	smss.exe	33
PID 2544 wrote to memory of 2584	2544	smss.exe	33
PID 2544 wrote to memory of 2584	2544	smss.exe	33
PID 2544 wrote to memory of 2792	2544	smss.exe	35
PID 2544 wrote to memory of 2792	2544	smss.exe	35
PID 2544 wrote to memory of 2792	2544	smss.exe	35
PID 2544 wrote to memory of 2792	2544	smss.exe	35

C:\Users\Admin\AppData\Local\Temp\0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe
"C:\Users\Admin\AppData\Local\Temp\0e7822d0bb5acc63f66959ed354f0faa72518c0f6d5f0fb9c2be93c10f3898f1.exe"
1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe stop SharedAccess
  2⤵
  - Launches sc.exe
  PID:1872
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe stop wscsvc
  2⤵
  - Launches sc.exe
  PID:2308
- C:\Windows\SysWOW64\1230\smss.exe
  C:\Windows\system32\1230\smss.exe -d
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2544
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe stop SharedAccess
    3⤵
    - Launches sc.exe
    PID:2584
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe stop wscsvc
    3⤵
    - Launches sc.exe
    PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

\Windows\SysWOW64\1230\smss.exe

Filesize
138KB

MD5
2f647b7ab48f1034ba90082c52a05629

SHA1
db4d516dd9c73ce6343cfeb8b6f0dde5355f90f3

SHA256
373d180f054101be76b083782fee8786f7017c4731b50925da4d0729e5506d7c

SHA512
ec8ace158ed7ba6c0fabedcceaa1713acd1894d3aae15b4ffbe63b662686b70c8337a3a2eb355a63b13a0fb079b76f61d5a5c7f8092f97fe6a7ddd0a39e76f07

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