53ee9a0f7142dfc91b89764ad2cc5eaf7168806810caa07fe218e36c4859843a

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15-04-2024 21:22

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General

Target

53ee9a0f7142dfc91b89764ad2cc5eaf7168806810caa07fe218e36c4859843a.dll
Size

1.0MB
MD5

32e00f7fda595c91902164dad7a59795
SHA1

61ac099a3fea7732d1e2f797257aaed5bedeb6a0
SHA256

53ee9a0f7142dfc91b89764ad2cc5eaf7168806810caa07fe218e36c4859843a
SHA512

5d0bf7d4b56044d0f5cee5775a33572b587e8762cb08131582103e81556a855d20586c40d082ddcaaff1021f15e5cd787067d8fc8a2208284e142a6c1d5be890
SSDEEP

24576:ShAgFptPlqfbDHJ1apVdYUy+jRmXnrEH7t:bgvtd8zJwpwU6Q

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 3 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-1.dat	UPX
behavioral1/memory/2852-3-0x0000000010000000-0x0000000010030000-memory.dmp	UPX
behavioral1/memory/2852-7-0x0000000010000000-0x0000000010030000-memory.dmp	UPX

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000012252-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2852	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x000a000000012252-1.dat	upx
behavioral1/memory/2852-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/2852-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	rundll32.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	2852	WerFault.exe	28

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2852	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2200 wrote to memory of 2852	2200	rundll32.exe	28
PID 2852 wrote to memory of 2968	2852	rundll32.exe	29
PID 2852 wrote to memory of 2968	2852	rundll32.exe	29
PID 2852 wrote to memory of 2968	2852	rundll32.exe	29
PID 2852 wrote to memory of 2968	2852	rundll32.exe	29

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ee9a0f7142dfc91b89764ad2cc5eaf7168806810caa07fe218e36c4859843a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\53ee9a0f7142dfc91b89764ad2cc5eaf7168806810caa07fe218e36c4859843a.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2852
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2852 -s 308
    3⤵
    - Program crash
    PID:2968

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

\Program Files\Common Files\System\symsrv.dll

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/2852-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2852-5-0x0000000074E40000-0x0000000074F60000-memory.dmp

Filesize
1.1MB

Download
memory/2852-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download