78854523848773fe0c9915f4d1fbd7f7a10ad4f215148ffc137c3f22b578a92d

Analysis

max time kernel
141s
max time network
128s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 02:31

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General

Target

78854523848773fe0c9915f4d1fbd7f7a10ad4f215148ffc137c3f22b578a92d.dll
Size

636KB
MD5

401be8641635e0f35cbddcd6d9a13f60
SHA1

d58299093c37f0596c031f52f29765c04adedf14
SHA256

78854523848773fe0c9915f4d1fbd7f7a10ad4f215148ffc137c3f22b578a92d
SHA512

5b6fe7a5deee7df9b5a1e478aa1868bcbc3a8642cab340f964db35254b5407d297bd15d538fe47c2c86ea6a15bb55df3e42efda86f7ed4c7fa6f975ff93fe137
SSDEEP

3072:5mng7WavpxZ3hdY2lQBV+UdE+rECWp7hKNoj1A:oneWARdGBV+UdvrEFp7hKL

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	acprotect

Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

2560 rundll32.exe

pid	process
2560	rundll32.exe

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
\Program Files\Common Files\System\symsrv.dll	upx
behavioral1/memory/2560-3-0x00000000000C0000-0x00000000000F0000-memory.dmp	upx
behavioral1/memory/2560-6-0x00000000000C0000-0x00000000000F0000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File created C:\Program Files\Common Files\System\symsrv.dll rundll32.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2484 2560 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 2560 rundll32.exe

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

pid	pid_target	process	target process
2484	2560	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	2560	rundll32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

rundll32.exerundll32.exe

description	pid	process	target process
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2720 wrote to memory of 2560	2720	rundll32.exe	rundll32.exe
PID 2560 wrote to memory of 2484	2560	rundll32.exe	WerFault.exe
PID 2560 wrote to memory of 2484	2560	rundll32.exe	WerFault.exe
PID 2560 wrote to memory of 2484	2560	rundll32.exe	WerFault.exe
PID 2560 wrote to memory of 2484	2560	rundll32.exe	WerFault.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78854523848773fe0c9915f4d1fbd7f7a10ad4f215148ffc137c3f22b578a92d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2720

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\78854523848773fe0c9915f4d1fbd7f7a10ad4f215148ffc137c3f22b578a92d.dll,#1
2⤵
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2560 -s 344
3⤵
- Program crash
PID:2484

MITRE ATT&CK Matrix

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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/2560-3-0x00000000000C0000-0x00000000000F0000-memory.dmp

Filesize
192KB

Download
memory/2560-6-0x00000000000C0000-0x00000000000F0000-memory.dmp

Filesize
192KB

Download
memory/2560-5-0x0000000010000000-0x000000001008F000-memory.dmp

Filesize
572KB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads