8fc691993255de16e91ccbdc078b174ec6fb2878e5b5c6418dc6d56c88a6be93

Analysis

max time kernel
94s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
09/06/2024, 05:35

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General

Target

8fc691993255de16e91ccbdc078b174ec6fb2878e5b5c6418dc6d56c88a6be93.dll
Size

223KB
MD5

e99ff1df5f06addbd746394c6de7d28d
SHA1

65c52e4b99563606c8d98aed20c2b2f51b19f1fa
SHA256

8fc691993255de16e91ccbdc078b174ec6fb2878e5b5c6418dc6d56c88a6be93
SHA512

28d50df9d972343826f0b9d38d83c8606d9103eb548a822c28231f723e078145fa4e2bd17ad38cbdc78b0021420de325d86e23bc5f1f465b6409731cbbb2e8fa
SSDEEP

3072:6huf5AUWGIcv3JvK2L4gufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKZoyK4:ZBAUWGxVL4gufYLIBV+UdvrEFp7hK6yZ

Score

7^/10

upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0007000000023305-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
4428	rundll32.exe
4428	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0007000000023305-3.dat	upx
behavioral2/memory/4428-6-0x0000000002700000-0x0000000002730000-memory.dmp	upx
behavioral2/memory/4428-10-0x0000000002700000-0x0000000002730000-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
1068	4428	WerFault.exe	82

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4428	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4636 wrote to memory of 4428	4636	rundll32.exe	82
PID 4636 wrote to memory of 4428	4636	rundll32.exe	82
PID 4636 wrote to memory of 4428	4636	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc691993255de16e91ccbdc078b174ec6fb2878e5b5c6418dc6d56c88a6be93.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4636
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fc691993255de16e91ccbdc078b174ec6fb2878e5b5c6418dc6d56c88a6be93.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 712
    3⤵
    - Program crash
    PID:1068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4428 -ip 4428
1⤵
PID:2200

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/4428-6-0x0000000002700000-0x0000000002730000-memory.dmp

Filesize
192KB

Download
memory/4428-10-0x0000000002700000-0x0000000002730000-memory.dmp

Filesize
192KB

Download
memory/4428-8-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download