cf8dcff4ab24b7222239f64f8ae208bcf25bd30e536462c36f8bb932d2402dc5

Analysis

max time kernel
141s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
26-05-2024 20:15

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General

Target

cf8dcff4ab24b7222239f64f8ae208bcf25bd30e536462c36f8bb932d2402dc5.dll
Size

223KB
MD5

78283e17206f36bb1efe881fdcaf587b
SHA1

9a3cada8d8fb3c8be2c01dd8175de786f3229817
SHA256

cf8dcff4ab24b7222239f64f8ae208bcf25bd30e536462c36f8bb932d2402dc5
SHA512

8de35650f4523686dd0e99c6ffa3025ae3426c2ec20e485af62eb5b99500fc3a84cf6bdfdba775a96c6c4c2578727d1d57d94ec2d610bf5185cd57de69e828fd
SSDEEP

3072:6huf5ATVcv0JvK2agufAnAZdlGZxIOtY81fs2lQBV+UdE+rECWp7hKXxvFuf:ZBATdVagufYLIBV+UdvrEFp7hKXxv2

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/0x000800000002323a-1.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
4836	rundll32.exe
4836	rundll32.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000800000002323a-1.dat	upx
behavioral2/memory/4836-6-0x0000000000670000-0x00000000006A0000-memory.dmp	upx
behavioral2/memory/4836-9-0x0000000000670000-0x00000000006A0000-memory.dmp	upx
behavioral2/memory/4836-12-0x0000000000670000-0x00000000006A0000-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
4128	4836	WerFault.exe	90

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4836	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4868 wrote to memory of 4836	4868	rundll32.exe	90
PID 4868 wrote to memory of 4836	4868	rundll32.exe	90
PID 4868 wrote to memory of 4836	4868	rundll32.exe	90

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8dcff4ab24b7222239f64f8ae208bcf25bd30e536462c36f8bb932d2402dc5.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4868
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf8dcff4ab24b7222239f64f8ae208bcf25bd30e536462c36f8bb932d2402dc5.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in Program Files directory
  - Suspicious use of AdjustPrivilegeToken
  PID:4836
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4836 -s 696
    3⤵
    - Program crash
    PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4836 -ip 4836
1⤵
PID:1120

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=1424 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
1⤵
PID:1920

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/4836-6-0x0000000000670000-0x00000000006A0000-memory.dmp

Filesize
192KB

Download
memory/4836-8-0x0000000010000000-0x0000000010025000-memory.dmp

Filesize
148KB

Download
memory/4836-9-0x0000000000670000-0x00000000006A0000-memory.dmp

Filesize
192KB

Download
memory/4836-12-0x0000000000670000-0x00000000006A0000-memory.dmp

Filesize
192KB

Download