8889b2981b07260876d6709792d2f1525b56926ee2dc2dd991106faa01eb073b

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
15/07/2024, 13:45

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General

Target

e6e9942b59e4a573fef83e094eaf5a40N.exe
Size

119KB
MD5

e6e9942b59e4a573fef83e094eaf5a40
SHA1

6a3e48d054437fce9990b8a811f5aa38040bb04d
SHA256

8889b2981b07260876d6709792d2f1525b56926ee2dc2dd991106faa01eb073b
SHA512

457d86bab652d47214743032f22f0205cac66f7b64687995f665e8f28037da453bf5f597999d993ab548a916e1b773e02da0c884435a725f67e087e7b9b6a022
SSDEEP

3072:OE9j8b3ZXgKC1hX//iASOXRJzDOD26j/3Dc69p:OEebiKuX//iZOXRJ3OD26jxz

Score

8^/10

evasion execution

Malware Config

Signatures

Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

Executes dropped EXE 1 IoCs

pid	Process
4224	smss.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\1230\smss.exe	e6e9942b59e4a573fef83e094eaf5a40N.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 2 IoCs

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

pid	Process
4028	sc.exe
1168	sc.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4472	e6e9942b59e4a573fef83e094eaf5a40N.exe
4224	smss.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 4028	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	83
PID 4472 wrote to memory of 4028	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	83
PID 4472 wrote to memory of 4028	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	83
PID 4472 wrote to memory of 4224	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	85
PID 4472 wrote to memory of 4224	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	85
PID 4472 wrote to memory of 4224	4472	e6e9942b59e4a573fef83e094eaf5a40N.exe	85
PID 4224 wrote to memory of 1168	4224	smss.exe	86
PID 4224 wrote to memory of 1168	4224	smss.exe	86
PID 4224 wrote to memory of 1168	4224	smss.exe	86

C:\Users\Admin\AppData\Local\Temp\e6e9942b59e4a573fef83e094eaf5a40N.exe
"C:\Users\Admin\AppData\Local\Temp\e6e9942b59e4a573fef83e094eaf5a40N.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4472
- C:\Windows\SysWOW64\sc.exe
  C:\Windows\system32\sc.exe stop wscsvc
  2⤵
  - Launches sc.exe
  PID:4028
- 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:4224
- - C:\Windows\SysWOW64\sc.exe
    C:\Windows\system32\sc.exe stop wscsvc
    3⤵
    - Launches sc.exe
    PID:1168

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

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

C:\Windows\SysWOW64\1230\smss.exe

Filesize
119KB

MD5
c6106f7b00d820d5001d2f6e96103646

SHA1
0d3ad1516d2a43ede3049fca0de1a07df06bb3f4

SHA256
87ce1250985a5bab99183d8128f9a9e5197d6ff8dc4a65fdb26276a916e86033

SHA512
717397956ad821bf9a5eda1fc3c101c0ff4439f3434cb3fd949dafad9a3e8467f9af7b5faa6b612e8d35bc5c42d44289efe8a2796ba3cef4e26d8f5e71b9840b

Download Submit
memory/4472-0-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

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