86b5dc538603c5f40164e7a70b1605fbcbd274f7ae8d6b5d774b0c49a568a015

Analysis

max time kernel
174s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
29/12/2023, 23:21

Target

06c6660d4fd004b01023b32364c1082c.exe
Size

17KB
MD5

06c6660d4fd004b01023b32364c1082c
SHA1

fdbbdaf5df0e0deda1ccdf8734180c0ca2f26256
SHA256

86b5dc538603c5f40164e7a70b1605fbcbd274f7ae8d6b5d774b0c49a568a015
SHA512

2703a208103f307dd15412d8af7753b70bb5ad0eeca3b31ca4bea3ec013a51ee4c24507d011c337169e78a62b607a524a8e1dfe873ff6fe98442ba243a7fd15d
SSDEEP

384:njb2KK8qY5m2en32YKzWk0J0TXRasQDj77:jw8Dne32YKzWkOKXXC7

Score

8^/10

upx

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\drivers\PCIDump.sys	WinHelp32.exe
File opened for modification	C:\Windows\SysWOW64\drivers\PCIDump.sys	06c6660d4fd004b01023b32364c1082c.exe

Executes dropped EXE 1 IoCs

pid	Process
2716	WinHelp32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

resource	yara_rule
behavioral2/memory/3492-0-0x0000000000400000-0x000000000040E000-memory.dmp	upx
behavioral2/files/0x000600000002320c-5.dat	upx
behavioral2/memory/3492-9-0x0000000000400000-0x000000000040E000-memory.dmp	upx

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\WinHelp32.exe	06c6660d4fd004b01023b32364c1082c.exe
File opened for modification	C:\Windows\SysWOW64\WinHelp32.exe	06c6660d4fd004b01023b32364c1082c.exe
File created	C:\Windows\SysWOW64\WinHelp32.exe	WinHelp32.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeIncBasePriorityPrivilege	3492	06c6660d4fd004b01023b32364c1082c.exe
Token: SeIncBasePriorityPrivilege	2716	WinHelp32.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3492 wrote to memory of 2716	3492	06c6660d4fd004b01023b32364c1082c.exe	90
PID 3492 wrote to memory of 2716	3492	06c6660d4fd004b01023b32364c1082c.exe	90
PID 3492 wrote to memory of 2716	3492	06c6660d4fd004b01023b32364c1082c.exe	90
PID 3492 wrote to memory of 4920	3492	06c6660d4fd004b01023b32364c1082c.exe	91
PID 3492 wrote to memory of 4920	3492	06c6660d4fd004b01023b32364c1082c.exe	91
PID 3492 wrote to memory of 4920	3492	06c6660d4fd004b01023b32364c1082c.exe	91
PID 2716 wrote to memory of 3384	2716	WinHelp32.exe	93
PID 2716 wrote to memory of 3384	2716	WinHelp32.exe	93
PID 2716 wrote to memory of 3384	2716	WinHelp32.exe	93

C:\Users\Admin\AppData\Local\Temp\06c6660d4fd004b01023b32364c1082c.exe
"C:\Users\Admin\AppData\Local\Temp\06c6660d4fd004b01023b32364c1082c.exe"
1⤵
- Drops file in Drivers directory
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3492
- C:\Windows\SysWOW64\WinHelp32.exe
  "C:\Windows\system32\WinHelp32.exe"
  2⤵
  - Drops file in Drivers directory
  - Executes dropped EXE
  - Drops file in System32 directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /C del C:\Windows\SysWOW64\WINHEL~1.EXE > nul
    3⤵
    PID:3384
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C del C:\Users\Admin\AppData\Local\Temp\06C666~1.EXE > nul
  2⤵
  PID:4920

C:\Windows\SysWOW64\WinHelp32.exe

Filesize
17KB

MD5
06c6660d4fd004b01023b32364c1082c

SHA1
fdbbdaf5df0e0deda1ccdf8734180c0ca2f26256

SHA256
86b5dc538603c5f40164e7a70b1605fbcbd274f7ae8d6b5d774b0c49a568a015

SHA512
2703a208103f307dd15412d8af7753b70bb5ad0eeca3b31ca4bea3ec013a51ee4c24507d011c337169e78a62b607a524a8e1dfe873ff6fe98442ba243a7fd15d

Download Submit
C:\Windows\SysWOW64\drivers\PCIDump.sys

Filesize
4KB

MD5
d058dd1757e857d2cf1afcadce95a521

SHA1
3d5563ce8e7a11110d238b25711a176a63bfb703

SHA256
a0cd51ff93d087654b5ceccc279df8eb5e9783a530a3bca83a06c7f82025885d

SHA512
748937d6ae01ddbe97470754b73563c04e492d7980a8e0bbb9ed7838e85c8cff912d087204325664c3051aeba15606d23b9b507b211a6369e7ecc7bda175da44

Download Submit
memory/3492-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3492-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download