39a4d4155fffdb9ac71145d6282b9521eb3fd2b05e9b28d7f9d2b4cae2a8eefa

Analysis

max time kernel
140s
max time network
119s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
14/03/2024, 18:47

Target

39a4d4155fffdb9ac71145d6282b9521eb3fd2b05e9b28d7f9d2b4cae2a8eefa.dll
Size

76KB
MD5

6b3cdda2a3782951c6fe0c1cb067d4e6
SHA1

e8a16ee56f9f1d0c5b17e17e909b9a9bad3336ac
SHA256

39a4d4155fffdb9ac71145d6282b9521eb3fd2b05e9b28d7f9d2b4cae2a8eefa
SHA512

b1c7ae96978e499c4c0a8553cd2b8743ef220b1e3d6aaa7a7dcd29a92a874a4b2fa683856a1cf143150e47b1e90fd9fc8310a58bdfeaca8de16a022b1e90c4d8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZK2KV:c8y93KQjy7G55riF1cMo0302KV

Score

9^/10

upx

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/1780-0-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1780-1-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1780-2-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/1780-4-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

UPX packed file 5 IoCs

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

resource	yara_rule
behavioral1/memory/1780-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1780-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1780-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1780-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2052	1780	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 2196 wrote to memory of 1780	2196	rundll32.exe	28
PID 1780 wrote to memory of 2052	1780	rundll32.exe	29
PID 1780 wrote to memory of 2052	1780	rundll32.exe	29
PID 1780 wrote to memory of 2052	1780	rundll32.exe	29
PID 1780 wrote to memory of 2052	1780	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\39a4d4155fffdb9ac71145d6282b9521eb3fd2b05e9b28d7f9d2b4cae2a8eefa.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2196
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\39a4d4155fffdb9ac71145d6282b9521eb3fd2b05e9b28d7f9d2b4cae2a8eefa.dll,#1
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1780 -s 304
    3⤵
    - Program crash
    PID:2052

memory/1780-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1780-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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