5bfc6e6261495a8e4a968fc0170181b723e3647d7e43e6ba74e3572bd7f76f1c

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 00:02

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General

Target

20f23133004922fdeccdf1b9a4f69ed5.exe
Size

1.4MB
MD5

20f23133004922fdeccdf1b9a4f69ed5
SHA1

fdb6b6859e8b13fcee4053a0f4d28b6aebe72e2a
SHA256

5bfc6e6261495a8e4a968fc0170181b723e3647d7e43e6ba74e3572bd7f76f1c
SHA512

90ba71d5c5e8455f06a79222468de82712c1e752b3a6925f18aae49d6a71f3d8a1fd3b0ad0c9d564ec8597c634da541e8dd8950e33c63590bec0772e0a5b025c
SSDEEP

3072:8MBwCbm8zxdAgDADIgBnsTaNkayQ9BKJR:8MB/m8zDAFIuk

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies security service 2 TTPs 2 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wuauserv\Start = "4"	reg.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wscsvc\Start = "4"	reg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Universal System = "C:\\Users\\Admin\\AppData\\Local\\Temp\\20f23133004922fdeccdf1b9a4f69ed5.exe"	20f23133004922fdeccdf1b9a4f69ed5.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\upjus.dll	20f23133004922fdeccdf1b9a4f69ed5.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key deleted	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Toolbar	20f23133004922fdeccdf1b9a4f69ed5.exe

Runs net.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2400	20f23133004922fdeccdf1b9a4f69ed5.exe
2400	20f23133004922fdeccdf1b9a4f69ed5.exe
2400	20f23133004922fdeccdf1b9a4f69ed5.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2400 wrote to memory of 2360	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	22
PID 2400 wrote to memory of 2360	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	22
PID 2400 wrote to memory of 2360	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	22
PID 2400 wrote to memory of 1620	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	40
PID 2400 wrote to memory of 1620	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	40
PID 2400 wrote to memory of 1620	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	40
PID 2400 wrote to memory of 1380	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	39
PID 2400 wrote to memory of 1380	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	39
PID 2400 wrote to memory of 1380	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	39
PID 2400 wrote to memory of 2028	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	38
PID 2400 wrote to memory of 2028	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	38
PID 2400 wrote to memory of 2028	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	38
PID 2400 wrote to memory of 1768	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	37
PID 2400 wrote to memory of 1768	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	37
PID 2400 wrote to memory of 1768	2400	20f23133004922fdeccdf1b9a4f69ed5.exe	37
PID 1620 wrote to memory of 3112	1620	cmd.exe	26
PID 1620 wrote to memory of 3112	1620	cmd.exe	26
PID 1620 wrote to memory of 3112	1620	cmd.exe	26
PID 2360 wrote to memory of 2968	2360	cmd.exe	33
PID 2360 wrote to memory of 2968	2360	cmd.exe	33
PID 2360 wrote to memory of 2968	2360	cmd.exe	33
PID 3112 wrote to memory of 4396	3112	net.exe	32
PID 3112 wrote to memory of 4396	3112	net.exe	32
PID 3112 wrote to memory of 4396	3112	net.exe	32
PID 2968 wrote to memory of 3940	2968	net.exe	31
PID 2968 wrote to memory of 3940	2968	net.exe	31
PID 2968 wrote to memory of 3940	2968	net.exe	31
PID 2028 wrote to memory of 5012	2028	cmd.exe	30
PID 2028 wrote to memory of 5012	2028	cmd.exe	30
PID 2028 wrote to memory of 5012	2028	cmd.exe	30
PID 1768 wrote to memory of 3468	1768	cmd.exe	29
PID 1768 wrote to memory of 3468	1768	cmd.exe	29
PID 1768 wrote to memory of 3468	1768	cmd.exe	29

C:\Users\Admin\AppData\Local\Temp\20f23133004922fdeccdf1b9a4f69ed5.exe
"C:\Users\Admin\AppData\Local\Temp\20f23133004922fdeccdf1b9a4f69ed5.exe"
1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2400
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c net stop "Security Center"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2360
- - C:\Windows\SysWOW64\net.exe
    net stop "Security Center"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2968
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Services\wscsvc" /v Start /t REG_DWORD /d 0x4 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1768
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c reg add "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /v Start /t REG_DWORD /d 0x4 /f
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2028
- C:\Windows\SysWOW64\reg.exe
  reg add "HKLM\SYSTEM\CurrentControlSet\Services\SharedAccess" /v Start /t REG_DWORD /d 0x4 /f
  2⤵
  PID:1380
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c net stop SharedAccess
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1620

C:\Windows\SysWOW64\net.exe
net stop SharedAccess
1⤵
- Suspicious use of WriteProcessMemory
PID:3112
- C:\Windows\SysWOW64\net1.exe
  C:\Windows\system32\net1 stop SharedAccess
  2⤵
  PID:4396

C:\Windows\SysWOW64\reg.exe
reg add "HKLM\SYSTEM\CurrentControlSet\Services\wscsvc" /v Start /t REG_DWORD /d 0x4 /f
1⤵
- Modifies security service
PID:3468

C:\Windows\SysWOW64\reg.exe
reg add "HKLM\SYSTEM\CurrentControlSet\Services\wuauserv" /v Start /t REG_DWORD /d 0x4 /f
1⤵
- Modifies security service
PID:5012