fa26c4168f6518c8c4169e170046652565718984f29b6cf78f38f993bbf043b6

Analysis

max time kernel
145s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 06:45

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General

Target

115ca675f0098d320aeeaca88e9b248c.exe
Size

52KB
MD5

115ca675f0098d320aeeaca88e9b248c
SHA1

c254ec13ab67c6c3b5fdbeee8151a1c5544e95b3
SHA256

fa26c4168f6518c8c4169e170046652565718984f29b6cf78f38f993bbf043b6
SHA512

c2fdff3229f61ba68eaa3417c5de6eefef2625c382d51dc38c624e936073bf03ca64a3bbed7ec9da2b3ecc84f4ee0723a2ff234e46e805d67117fa3dfa9cc75e
SSDEEP

768:Yl0RWNvjjZpolW1dmaW4KpQDxdjjmADoOEsxzWM6H8A7DOEAc:cAQbcy0Oc

Score

10^/10

evasion

Malware Config

Signatures

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	115ca675f0098d320aeeaca88e9b248c.exe

Stops running service(s) 3 TTPs
evasion

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\z_115ca675f0098d320aeeaca88e9b248c_debug.txt	115ca675f0098d320aeeaca88e9b248c.exe
File opened for modification	C:\Windows\SysWOW64\svcctrl.exe	115ca675f0098d320aeeaca88e9b248c.exe

Launches sc.exe 2 IoCs

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

pid	Process
4460	sc.exe
2412	sc.exe

Runs net.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3404	115ca675f0098d320aeeaca88e9b248c.exe
Token: SeDebugPrivilege	3404	115ca675f0098d320aeeaca88e9b248c.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3404	115ca675f0098d320aeeaca88e9b248c.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 3732	3404	115ca675f0098d320aeeaca88e9b248c.exe	89
PID 3404 wrote to memory of 3732	3404	115ca675f0098d320aeeaca88e9b248c.exe	89
PID 3404 wrote to memory of 3732	3404	115ca675f0098d320aeeaca88e9b248c.exe	89
PID 3404 wrote to memory of 1016	3404	115ca675f0098d320aeeaca88e9b248c.exe	90
PID 3404 wrote to memory of 1016	3404	115ca675f0098d320aeeaca88e9b248c.exe	90
PID 3404 wrote to memory of 1016	3404	115ca675f0098d320aeeaca88e9b248c.exe	90
PID 1016 wrote to memory of 1972	1016	net.exe	93
PID 1016 wrote to memory of 1972	1016	net.exe	93
PID 1016 wrote to memory of 1972	1016	net.exe	93
PID 3732 wrote to memory of 2080	3732	net.exe	94
PID 3732 wrote to memory of 2080	3732	net.exe	94
PID 3732 wrote to memory of 2080	3732	net.exe	94
PID 3404 wrote to memory of 4460	3404	115ca675f0098d320aeeaca88e9b248c.exe	96
PID 3404 wrote to memory of 4460	3404	115ca675f0098d320aeeaca88e9b248c.exe	96
PID 3404 wrote to memory of 4460	3404	115ca675f0098d320aeeaca88e9b248c.exe	96
PID 3404 wrote to memory of 2412	3404	115ca675f0098d320aeeaca88e9b248c.exe	98
PID 3404 wrote to memory of 2412	3404	115ca675f0098d320aeeaca88e9b248c.exe	98
PID 3404 wrote to memory of 2412	3404	115ca675f0098d320aeeaca88e9b248c.exe	98

C:\Users\Admin\AppData\Local\Temp\115ca675f0098d320aeeaca88e9b248c.exe
"C:\Users\Admin\AppData\Local\Temp\115ca675f0098d320aeeaca88e9b248c.exe"
1⤵
- Modifies visiblity of hidden/system files in Explorer
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\SysWOW64\net.exe
  net stop wscsvc
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3732
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop wscsvc
    3⤵
    PID:2080
- C:\Windows\SysWOW64\net.exe
  net stop sharedaccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1016
- - C:\Windows\SysWOW64\net1.exe
    C:\Windows\system32\net1 stop sharedaccess
    3⤵
    PID:1972
- C:\Windows\SysWOW64\sc.exe
  sc delete wscsvc
  2⤵
  - Launches sc.exe
  PID:4460
- C:\Windows\SysWOW64\sc.exe
  sc delete sharedaccess
  2⤵
  - Launches sc.exe
  PID:2412

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Windows\SysWOW64\svcctrl.exe

Filesize
41KB

MD5
11268d494f61b568f72a3a0ff09c4076

SHA1
2d29f7e709a41ba6207a7a438dde2d12c229b8ed

SHA256
aef81f820d4e6f4ae3015b088f21ae806d5d8c1a8c6ff3e3da482fbd04ec7c0e

SHA512
87b18bd137b7d38fba899ffa9315aaf0615ffdc771f6180735294b0bac45d6db72437cd714865be0d39145e524bc45ddd691eda24c3ff40558cbf27fa75a48fc

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