51562076001fd4aac8430b5bd88b06bb5955cac90b9568a3ed28da9e37da8cfd

Analysis

max time kernel
139s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
20/05/2024, 06:36

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General

Target

51562076001fd4aac8430b5bd88b06bb5955cac90b9568a3ed28da9e37da8cfd.dll
Size

223KB
MD5

b7cacc8fa8eb6da07c98222fc331c1a6
SHA1

95f43e608dd8f18dbfa63f521bfee12dba39d9a5
SHA256

51562076001fd4aac8430b5bd88b06bb5955cac90b9568a3ed28da9e37da8cfd
SHA512

af85b2d5c1d7e7c3b51d20fee1855720deddba06ff44928e3931a1328d500c0d32aeb25d3934f8b095d9fe81ae62d61f7d271f83caf2b2c74422a7dc919327d2
SSDEEP

3072:6huebWGIcv0JvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKx+d5w:ZebWGcVagufYLIBV+UdvrEFp7hKsK

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/0x000900000002353a-3.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
3612	rundll32.exe
3612	rundll32.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000900000002353a-3.dat	upx
behavioral2/memory/3612-6-0x00000000005E0000-0x0000000000610000-memory.dmp	upx
behavioral2/memory/3612-10-0x00000000005E0000-0x0000000000610000-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
2856	3612	WerFault.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3612	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 3612	3780	rundll32.exe	90
PID 3780 wrote to memory of 3612	3780	rundll32.exe	90
PID 3780 wrote to memory of 3612	3780	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\51562076001fd4aac8430b5bd88b06bb5955cac90b9568a3ed28da9e37da8cfd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\51562076001fd4aac8430b5bd88b06bb5955cac90b9568a3ed28da9e37da8cfd.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3612
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 712
    3⤵
    - Program crash
    PID:2856

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3612 -ip 3612
1⤵
PID:1636

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4200,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=3464 /prefetch:8
1⤵
PID:3140

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/3612-6-0x00000000005E0000-0x0000000000610000-memory.dmp

Filesize
192KB

Download
memory/3612-8-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/3612-10-0x00000000005E0000-0x0000000000610000-memory.dmp

Filesize
192KB

Download