b7991e129f5ef2ad9377630473cc0085e91db9ed0317651439ed13a0c5b1b839

Analysis

max time kernel
167s
max time network
139s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 14:58

Target

a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll
Size

76KB
MD5

a1d1a1fd6a4d0d54a04cbd46e42155c0
SHA1

fe93a0bfae3a1224110e8e48bd5ca0bcb7cc88e5
SHA256

b7991e129f5ef2ad9377630473cc0085e91db9ed0317651439ed13a0c5b1b839
SHA512

b4027030a92d4b8a5fb81f5a82c8739b407c39be972e84fe55d13d70bbafed4a212a4b7ac46dbc3310ff1ec4bbb7f24de0b023abecb2040cfc67a01916340b6e
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZW2Rg:c8y93KQjy7G55riF1cMo03Tg

Score

7^/10

upx

UPX packed file 3 IoCs

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

resource	yara_rule
behavioral1/memory/2136-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2136-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2136-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2676	2136	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2136	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 1696 wrote to memory of 2136	1696	rundll32.exe	28
PID 2136 wrote to memory of 2676	2136	rundll32.exe	30
PID 2136 wrote to memory of 2676	2136	rundll32.exe	30
PID 2136 wrote to memory of 2676	2136	rundll32.exe	30
PID 2136 wrote to memory of 2676	2136	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a1d1a1fd6a4d0d54a04cbd46e42155c0_dll32_JC.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2136
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 284
    3⤵
    - Program crash
    PID:2676

memory/2136-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2136-1-0x0000000000070000-0x0000000000071000-memory.dmp

Filesize
4KB

Download
memory/2136-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2136-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download