8203fedf8dc75b0ed6157d00d29252deff7b9f6bda612c363e3f923662ff4266

Analysis

max time kernel
137s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2024, 23:37

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General

Target

f5ea2b6bf5b4868933f7ec39ca7f54e3.dll
Size

760KB
MD5

f5ea2b6bf5b4868933f7ec39ca7f54e3
SHA1

b6b18d7027f37269b58e1797223f83dd8909e472
SHA256

8203fedf8dc75b0ed6157d00d29252deff7b9f6bda612c363e3f923662ff4266
SHA512

00b38cae415daa3dedf658987b82d5915173c783ecc0d2dc00bc600e78a97b587c22d1156a2302c1ca5429611135bd65aa403747979a7c3f9171a9ff78803888
SSDEEP

12288:XZwqOUengE0phFKxZVovamPYySE4BPezkfWvPfuh2fllghUQKuyvcI+jKKj+zV6a:X+wEu8ZOimgySE4BGznKKlLuyEI+CV6a

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/0x00030000000227e7-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3576	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x00030000000227e7-1.dat	upx
behavioral2/memory/3576-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3576-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3576-10-0x0000000010000000-0x0000000010030000-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
4924	3576	WerFault.exe	94

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3576	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 3576	3768	rundll32.exe	94
PID 3768 wrote to memory of 3576	3768	rundll32.exe	94
PID 3768 wrote to memory of 3576	3768	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5ea2b6bf5b4868933f7ec39ca7f54e3.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5ea2b6bf5b4868933f7ec39ca7f54e3.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:3576
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3576 -s 712
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3576 -ip 3576
1⤵
PID:4396

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 --mojo-platform-channel-handle=4144 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
1⤵
PID:1012

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/3576-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3576-5-0x0000000061C00000-0x0000000061C9C000-memory.dmp

Filesize
624KB

Download
memory/3576-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3576-10-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download